CA2167556C - Sheet dispenser and method - Google Patents
Sheet dispenser and method Download PDFInfo
- Publication number
- CA2167556C CA2167556C CA002167556A CA2167556A CA2167556C CA 2167556 C CA2167556 C CA 2167556C CA 002167556 A CA002167556 A CA 002167556A CA 2167556 A CA2167556 A CA 2167556A CA 2167556 C CA2167556 C CA 2167556C
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- Canada
- Prior art keywords
- aperture
- dispensing
- plate
- opening
- sheets
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/38—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
- A47K10/3809—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported
- A47K10/3818—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported with a distribution opening which is perpendicular to the rotation axis
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K2010/3206—Coreless paper rolls
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Unwinding Webs (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Advancing Webs (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Sanitary Thin Papers (AREA)
Abstract
A Sheet Dispenser for dispensing of flexible and foldable sheets, such as paper towels and the like from a center fed roll thereof. The Sheet Dispenser of the present invention relies upon a member, such as a plate, which may be in the form of or part of a housing for holding the roll of sheets. The plate member is provided with a lower circular dispensing aperture for receiving a leading strip of the sheets from the center fed roll such that a user may grasp and pull outwardly on the sheets in order to achieve a dispensing of the same. The invention relies upon an opening, such as an elongate slot formed in the plate member and in communication with the dispensing aperture and which allows a leading portion of the sheets to be inserted through the slot and into the dispensing aperture. This construction overcomes the previous problems of feeding a leading strip of the successive sheets in the dispensing aperture. In a preferred embodiment, the dispensing aperture, in combination with the opening, form an elongate dispensing aperture and the size of the elongate dispensing aperture is adjustable in order to accommodate different thicknesses, sizes and physical characteristics of differing sheet materials which can be dispensed.
Description
- ~ 21 67556 1 BACKGROUND OF THE lNv~NllON
3 1. Field of the Invention 4 This invention relates in general to certain new and useful improvements in flexible and foldable sheet material 6 dispensers, and more particularly, to sheet dispensers 7 which are capable of easily threading a leading strip or 8 sheet into a dispensing aperture from a center fed roll in 9 the dispenser.
11 2. Brief Descri~tion of the Related Art 12 For several years, there have been dispensers 13 available in which flexible sheet materials, such as paper 14 towels are mounted in a large roll of such towels and with each of the individual towels being dispensed from the roll 16 through the dispenser. Rolls of similar sheet materials, 17 such as facial tissues and the like, are also capable of 18 being dispensed from coreless, center-fed rolls.
19 There are several proposed and commercially available paper towel dispensers and which all rely upon supporting a roll 21 of the paper towels on or with respect to a support plate 22 which may form part of an outer housing and with a 23 dispensing aperture in the plate member to enable a 24 dispensing of a leading strip at the beginning or lead portion of the roll of paper towels through the dispensing 26 aperture. However, the dispensing aperture is usually 27 fairly small, having a diameter of perhaps no more than 28 about 3/8 inch.
29 However, the very small size of this dispensing aperture makes it difficult for att~n~nts to install a new 31 roll of paper sheets and to feed the leading strip through 32 the dispensing aperture thereof.
33 There is no means to adjust the size of the feed 34 aperture to accommodate a particular sheet condition or a 1 particular sheet thickness. Due to the thickness of the 2 sheet, it is desirable to vary the amount of frictional 3 force imposed on the sheets passing through the dispensing 4 aperture. Heretofore, there has been no effective means of adjusting the size of this opening.
6 Representative of the prior art devices which disclose 7 center fed paper towels are U.S. Patent No. 5,310,083 dated 8 May 10, 1994, U.S. Patent No. 5,205,455 dated April 27, 9 1993, and U.S. Patent No. 5,346,064 dated September 13, I0 1994. However, all of these dispensers are clearly 11 representative of the prior art in that they have a fixed 12 sized feed aperture with no means for easily enabling the 13 feed of a leader strip of the sheet material through the 14 feed aperture.
1 SUMMARY OF THE lNv~N~llON
2 This invention relates in general to a dispenser for 3 the dispensing of individual sheets of a sheet product from 4 a center fed roll of the product. The center-fed roll of the sheet product is necessarily a coreless roll which 6 enables the removal of sheets from the center portion 7 thereof. These sheets are all formed of a flexible and 8 foldable material and preferably are a fibrous sheet which 9 encompasses at least fabric materials, both synthetic and natural, and paper and paperboard product materials. Thus, 11 the sheets which are dispensed from the dispenser of the 12 invention are non-metallic. One of the most common type of 13 sheet which is dispensed with the dispenser of the present 14 invention is a paper sheet material as for example, paper hand towels, facial tissues, various so-called "toilet 16 tissues", baby cleansing tissues, and the like.
17 The paper or other fibrous product is generally in 18 the form of individual sheets which may be scored or are 19 capable of being separated from a next adjacent sheet by means of a perforated line or the like.
21 The dispenser of the present invention comprises a 22 plate member for supporting or receiving the roll of the 23 sheet product in a selected positions, such as an upright 24 position. A dispensing aperture is formed in the plate member and positioned in alignment with the central opening 26 of the roll for receiving the sheets of the sheet product 27 in a form where they are initially connected to one 28 another. In this way, an operator of the dispenser can 29 pull outwardly on the leading sheet fed through the dispensing aperture in order to obtain a dispensing of the 31 sheet.
32 In one of the important aspects of the present 33 invention, an opening such as a slot is formed in the plate 34 in communication with the aperture. This enables the 1 formation of a larger dispensing aperture such that the 2 initial leading strip of the sheet material can be fed 3 through the opening and into the aperture in order to start 4 a feeding thereof.
In effect, the elongate slot or other opening and the 6 initial aperture in the plate member form an elongate 7 dispensing aperture. Further, means is provided with the 8 support plate to selectively control the size of the 9 dispensing aperture. In this way, it is possible to enable accommodation of paper sheets with differing thickness or 11 with differing moisture conditions or the like.
12 It is important to provide a proper amount of friction 13 on the individual sheets as they are pulled through the 14 dispensing aperture so as to allow one sheet on the roll to be severed from the next above sheet. An aperture control 16 means allows the selective control of the size of the 17 aperture.
2 Having thus described the invention in general terms, 3 reference will now be made to the accompanying drawings in 4 which:
Figure 1 is a side elevational view, partially in the 6 section of a center fed paper towel dispenser constructed 7 in accordance with and embodying the present invention;
8 Figure 2 is a vertical sectional view somewhat similar 9 to Figure 1 and showing a cover forming part of the dispenser in a partially closed position;
11 Figure 3 is a vertical sectional view, similar to 12 Figures 1 and 2, and showing the dispenser in a fully 13 closed position with a center fed roll of paper towels 14 disposed therein;
Figure 4 is a horizontal sectional view taken along 16 line 4-4 of Figure 2;
17 Figure 5 is a schematic prospective view showing a 18 modified form of paper towel dispenser constructed in 19 accordance with and embodying the present invention;
Figure 6 is a top plan view of a portion of the 21 dispenser of Figure 5 and showing a positioning of a left-22 hand aperture central member;
23 Figure 7 is a bottom plan view of the embodiment of 24 Figure 5 and showing a positioning of a right-hand aperture control member;
26 Figure 8 is a perspective view of a further modified 27 form of dispensing me~h~nism and particularly showing a 28 dispensing aperture control means; and 29 Figure 9 is a perspective view of another embodiment of a dispenser in accordance with the present invention and 31 particularly showing another modified form of aperture 32 control means.
2 Referring now in more detail and by reference 3 characters to the drawinqs, A designates a sheet dispenser 4 for dispensing individual sheets from a roll R thereof.
In the embodiment of the invention as illustrated, the 6 roll R is coreless and contains a central bore 20 through 7 which paper towels T are initially dispensed. Moreover, 8 and by reference to Figures 1 and 2 of the drawings, it can g be seen that the roll R is essentially vertically positioned. However, in the case of dispensing of baby 11 wipes from a baby wipe canister, the sheets would be pulled 12 upwardly.
13 The paper towel dispenser A is generally comprised of 14 an outer housing 24 having of a partially enclosing side wall 26. In this case, the side wall extends about three 16 sides of the housing. A closure member 28 is hingedly 17 connected to the top wall 30 of the housing by means of a 18 hinge 32, as best shown in Figure 1. In accordance with 19 this construction, the closure member 28 is shiftable upwardly to an open position and downwardly to a closed 21 position, as best shown in Figure 3.
22 One of the important aspects of the dispenser A is the 23 fact that the housing 24 includes a support plate 34 for 24 supporting a vertically positioned roll of center fed paper towels T. Inasmuch as the plate 34 receives a vertically 26 disposed roll of the sheet material, the plate is typically 27 referred to as support plate. However, it should be 28 understood that the dispenser A of the invention operates 29 equally as well when the roll is positioned such that its elongate opening is horizontally arranged for sideways 31 feeding or when the sheets are dispensed through an 32 upwardly opening dispensing aperture and pulled upwardly 33 from the dispenser.
34 The support plate 34 is provided with an enlarged open 1 upper end 36 constituting a part of a downwardly opening 2 somewhat funnel-shaped dispensing aperture 38. The 3 dispensing aperture 38 also has a lower opened end 40. In 4 this respect, and in a preferred embodiment, the dispensing aperture 38 is somewhat conically shaped and provides a 6 circularly shaped upper opening 36 and a circularly shaped 7 lower opening 40. However, the lower opening 40 is 8 substantially diameterally reduced compared to the open 9 upper end 36.
It can be seen that the housing is constructed with an 11 internally provided somewhat frusto-conically shaped wall 12 42 which forms the dispensing aperture 38 as shown and 13 which terminates at a bottom wall 44 forming the lower end 14 of the housing.
The frusto-conically shaped wall 42 is partially 16 formed by an aperture control member 44 on the lower end of 17 the closure member 28 and which, in effect, forms the upper 18 open end 36 and the lower open end 40. The aperture 19 control member 44 also comprises a portion of and effectively completes the frusto-conical wall 42. If the 21 aperture control member 44 is not moved to its fully closed 22 position, as shown in Figure 3, then the dispensing 23 aperture 36 would not be circularly shaped, but rather it 24 would be somewhat elongate.
It can also be observed that the support plate 34 is 26 effectively provided with an opening, such as an elongate 27 slot 50, in communication with the dispensing aperture 38 28 and extending to the edge of the plate 34. The size of 29 this opening 50 is controlled by positioning of the aperture control member 44.
31 As the aperture control member 44 is shifted closer to 32 the original conically shaped dispensing aperture 36 in the 33 plate 34 it will reduce the size of the opening 50 and also 34 reduce the size of the ultimately formed dispensing 1 aperture 36. Thus, when the closure member 28 is in the 2 fully open position as shown in Figure 1, the roll R paper 3 towels T can be initially inserted from the edge of the 4 plate 34 into the elongate slot 50. As the closure plate 28 is moved toward the closed position, it will start to 6 reduce the size of the elongate slot and reduce the size of 7 the enlarged opening until the cover member 28 is in the 8 fully closed position, at which time the dispensing 9 aperture 36 will adopt the shape and size as shown in Figure 3.
11 It is possible to allow the initial leading strip of 12 sheet material to be inserted into the slot or other form 13 of opening 50 and moved sideways into the dispensing 14 aperture 36. Thereafter, the overall size of the dispensing opening formed by the slot 50 and the dispensing 16 aperture 36 is controlled by the aperture control means 44.
17 In essence, the dispensing aperture can be viewed as having 18 an opening in one side to allow the leading edge of the 19 sheet material to be pushed sideways into the dispensing aperture and that the aperture control means 44 may 21 constitute a plunger to enlarge or reduce the size of the 22 dispensing aperture.
23 Figures 5 - 7 illustrate a modified embodiment of a 24 dispenser for the dispensing of individual sheets of paper product or other sheet material from a center fed roll and 26 which comprises a support plate 54 having a conically 27 shaped dispensing aperture 56 therein. The dispensing 28 aperture 56 has an opened upper end 58 at the upper surface 29 of the support plate 54 and a diameterally reduced lower end 60 at the under surface of the support plate 54. In 31 this way, the dispensing aperture 56 becomes conically 32 shaped. An elongate slot 62 leads into the dispensing 33 aperture and communicates with the side of the support 34 plate 54 as best shown in Figures 5 - 7 of the drawings.
1 The dispensing aperture 56 can be adjustably sized by 2 means of a first shiftable rod 64 on the right-hand side 3 which is capable of shifting into the elongate slot 62.
4 The shiftable rod 64 also has an arcuatly shaped lower closure plate 66 capable of underlying the lower open end 6 60 and thereby reducing the size of the lower end 60 of the 7 dispensing aperture 56. Thus, by controlling the position 8 of the shiftable rod 64, it is possible to control the 9 overall size of the lower open end 60.
In like manner, the size of the lower open end 60 can 11 also be controlled by a similar shiftable rod 68 ext~n~hle 12 from the opposite side of the dispensing aperture 56. In 13 this case, the shiftable rod 68 carries an arcuatly shaped 14 end section 70 which will also slide along the underside of the plate 54 and control the size of the lower open end 60 16 from the left as best illustrated in Figure 6 of the 17 drawings.
18 Figure 8 illustrates another slightly modified form of 19 sheet dispenser and particularly the dispensing me~-h~n;cm thereof. In this case, the dispensing mech~n;cm 72 of 21 Figure 8 would be mounted on the underside of a support 22 plate such as the support plate 54 having one large opening 23 therein. The dispensing mechanism 72 comprises a conically 24 shaped wall 74 having an outwardly struck flange 76 with elongate recesses 78 formed therein. An arcuately shaped 26 closure plate is associated with the funnel shaped wall 74 27 and includes fingers 82 which are capable of fitting within 28 the elongate slot 78. Depending upon the position of the 29 fingers 82 in the elongate slot 78 the overall size of a dispensing aperture 84 formed by the conically shaped side 31 wall 74 will be determined. Figure 9 illustrates another 32 modified form of a dispensing mechanism which would 33 similarly be mounted on one side of a support plate. In 34 this case, the dispensing mech~n;sm 86 of Figure 9 is 1 comprised of a conically shaped side wall 88 forming a 2 dispensing aperture 90. Again, a first end of the 3 conically shaped wall 88 is provided with an outwardly 4 struck flange 92 having a plurality of slots 94 formed therein. A plurality of hingedly mounted fingers 96 are 6 formed on the opposite or seemed end of the conically 7 shaped wall 88 and are adapted to be inserted into elongate 8 slots 98 of a similar flange 100 on the second end of the 9 conically shaped wall 88, as best shown in Figure 4. Thus, when the fingers 96 are again inserted through each of the 11 flange plates 92 and 100, they will control the overall 12 size of the dispensing aperture 90.
3 1. Field of the Invention 4 This invention relates in general to certain new and useful improvements in flexible and foldable sheet material 6 dispensers, and more particularly, to sheet dispensers 7 which are capable of easily threading a leading strip or 8 sheet into a dispensing aperture from a center fed roll in 9 the dispenser.
11 2. Brief Descri~tion of the Related Art 12 For several years, there have been dispensers 13 available in which flexible sheet materials, such as paper 14 towels are mounted in a large roll of such towels and with each of the individual towels being dispensed from the roll 16 through the dispenser. Rolls of similar sheet materials, 17 such as facial tissues and the like, are also capable of 18 being dispensed from coreless, center-fed rolls.
19 There are several proposed and commercially available paper towel dispensers and which all rely upon supporting a roll 21 of the paper towels on or with respect to a support plate 22 which may form part of an outer housing and with a 23 dispensing aperture in the plate member to enable a 24 dispensing of a leading strip at the beginning or lead portion of the roll of paper towels through the dispensing 26 aperture. However, the dispensing aperture is usually 27 fairly small, having a diameter of perhaps no more than 28 about 3/8 inch.
29 However, the very small size of this dispensing aperture makes it difficult for att~n~nts to install a new 31 roll of paper sheets and to feed the leading strip through 32 the dispensing aperture thereof.
33 There is no means to adjust the size of the feed 34 aperture to accommodate a particular sheet condition or a 1 particular sheet thickness. Due to the thickness of the 2 sheet, it is desirable to vary the amount of frictional 3 force imposed on the sheets passing through the dispensing 4 aperture. Heretofore, there has been no effective means of adjusting the size of this opening.
6 Representative of the prior art devices which disclose 7 center fed paper towels are U.S. Patent No. 5,310,083 dated 8 May 10, 1994, U.S. Patent No. 5,205,455 dated April 27, 9 1993, and U.S. Patent No. 5,346,064 dated September 13, I0 1994. However, all of these dispensers are clearly 11 representative of the prior art in that they have a fixed 12 sized feed aperture with no means for easily enabling the 13 feed of a leader strip of the sheet material through the 14 feed aperture.
1 SUMMARY OF THE lNv~N~llON
2 This invention relates in general to a dispenser for 3 the dispensing of individual sheets of a sheet product from 4 a center fed roll of the product. The center-fed roll of the sheet product is necessarily a coreless roll which 6 enables the removal of sheets from the center portion 7 thereof. These sheets are all formed of a flexible and 8 foldable material and preferably are a fibrous sheet which 9 encompasses at least fabric materials, both synthetic and natural, and paper and paperboard product materials. Thus, 11 the sheets which are dispensed from the dispenser of the 12 invention are non-metallic. One of the most common type of 13 sheet which is dispensed with the dispenser of the present 14 invention is a paper sheet material as for example, paper hand towels, facial tissues, various so-called "toilet 16 tissues", baby cleansing tissues, and the like.
17 The paper or other fibrous product is generally in 18 the form of individual sheets which may be scored or are 19 capable of being separated from a next adjacent sheet by means of a perforated line or the like.
21 The dispenser of the present invention comprises a 22 plate member for supporting or receiving the roll of the 23 sheet product in a selected positions, such as an upright 24 position. A dispensing aperture is formed in the plate member and positioned in alignment with the central opening 26 of the roll for receiving the sheets of the sheet product 27 in a form where they are initially connected to one 28 another. In this way, an operator of the dispenser can 29 pull outwardly on the leading sheet fed through the dispensing aperture in order to obtain a dispensing of the 31 sheet.
32 In one of the important aspects of the present 33 invention, an opening such as a slot is formed in the plate 34 in communication with the aperture. This enables the 1 formation of a larger dispensing aperture such that the 2 initial leading strip of the sheet material can be fed 3 through the opening and into the aperture in order to start 4 a feeding thereof.
In effect, the elongate slot or other opening and the 6 initial aperture in the plate member form an elongate 7 dispensing aperture. Further, means is provided with the 8 support plate to selectively control the size of the 9 dispensing aperture. In this way, it is possible to enable accommodation of paper sheets with differing thickness or 11 with differing moisture conditions or the like.
12 It is important to provide a proper amount of friction 13 on the individual sheets as they are pulled through the 14 dispensing aperture so as to allow one sheet on the roll to be severed from the next above sheet. An aperture control 16 means allows the selective control of the size of the 17 aperture.
2 Having thus described the invention in general terms, 3 reference will now be made to the accompanying drawings in 4 which:
Figure 1 is a side elevational view, partially in the 6 section of a center fed paper towel dispenser constructed 7 in accordance with and embodying the present invention;
8 Figure 2 is a vertical sectional view somewhat similar 9 to Figure 1 and showing a cover forming part of the dispenser in a partially closed position;
11 Figure 3 is a vertical sectional view, similar to 12 Figures 1 and 2, and showing the dispenser in a fully 13 closed position with a center fed roll of paper towels 14 disposed therein;
Figure 4 is a horizontal sectional view taken along 16 line 4-4 of Figure 2;
17 Figure 5 is a schematic prospective view showing a 18 modified form of paper towel dispenser constructed in 19 accordance with and embodying the present invention;
Figure 6 is a top plan view of a portion of the 21 dispenser of Figure 5 and showing a positioning of a left-22 hand aperture central member;
23 Figure 7 is a bottom plan view of the embodiment of 24 Figure 5 and showing a positioning of a right-hand aperture control member;
26 Figure 8 is a perspective view of a further modified 27 form of dispensing me~h~nism and particularly showing a 28 dispensing aperture control means; and 29 Figure 9 is a perspective view of another embodiment of a dispenser in accordance with the present invention and 31 particularly showing another modified form of aperture 32 control means.
2 Referring now in more detail and by reference 3 characters to the drawinqs, A designates a sheet dispenser 4 for dispensing individual sheets from a roll R thereof.
In the embodiment of the invention as illustrated, the 6 roll R is coreless and contains a central bore 20 through 7 which paper towels T are initially dispensed. Moreover, 8 and by reference to Figures 1 and 2 of the drawings, it can g be seen that the roll R is essentially vertically positioned. However, in the case of dispensing of baby 11 wipes from a baby wipe canister, the sheets would be pulled 12 upwardly.
13 The paper towel dispenser A is generally comprised of 14 an outer housing 24 having of a partially enclosing side wall 26. In this case, the side wall extends about three 16 sides of the housing. A closure member 28 is hingedly 17 connected to the top wall 30 of the housing by means of a 18 hinge 32, as best shown in Figure 1. In accordance with 19 this construction, the closure member 28 is shiftable upwardly to an open position and downwardly to a closed 21 position, as best shown in Figure 3.
22 One of the important aspects of the dispenser A is the 23 fact that the housing 24 includes a support plate 34 for 24 supporting a vertically positioned roll of center fed paper towels T. Inasmuch as the plate 34 receives a vertically 26 disposed roll of the sheet material, the plate is typically 27 referred to as support plate. However, it should be 28 understood that the dispenser A of the invention operates 29 equally as well when the roll is positioned such that its elongate opening is horizontally arranged for sideways 31 feeding or when the sheets are dispensed through an 32 upwardly opening dispensing aperture and pulled upwardly 33 from the dispenser.
34 The support plate 34 is provided with an enlarged open 1 upper end 36 constituting a part of a downwardly opening 2 somewhat funnel-shaped dispensing aperture 38. The 3 dispensing aperture 38 also has a lower opened end 40. In 4 this respect, and in a preferred embodiment, the dispensing aperture 38 is somewhat conically shaped and provides a 6 circularly shaped upper opening 36 and a circularly shaped 7 lower opening 40. However, the lower opening 40 is 8 substantially diameterally reduced compared to the open 9 upper end 36.
It can be seen that the housing is constructed with an 11 internally provided somewhat frusto-conically shaped wall 12 42 which forms the dispensing aperture 38 as shown and 13 which terminates at a bottom wall 44 forming the lower end 14 of the housing.
The frusto-conically shaped wall 42 is partially 16 formed by an aperture control member 44 on the lower end of 17 the closure member 28 and which, in effect, forms the upper 18 open end 36 and the lower open end 40. The aperture 19 control member 44 also comprises a portion of and effectively completes the frusto-conical wall 42. If the 21 aperture control member 44 is not moved to its fully closed 22 position, as shown in Figure 3, then the dispensing 23 aperture 36 would not be circularly shaped, but rather it 24 would be somewhat elongate.
It can also be observed that the support plate 34 is 26 effectively provided with an opening, such as an elongate 27 slot 50, in communication with the dispensing aperture 38 28 and extending to the edge of the plate 34. The size of 29 this opening 50 is controlled by positioning of the aperture control member 44.
31 As the aperture control member 44 is shifted closer to 32 the original conically shaped dispensing aperture 36 in the 33 plate 34 it will reduce the size of the opening 50 and also 34 reduce the size of the ultimately formed dispensing 1 aperture 36. Thus, when the closure member 28 is in the 2 fully open position as shown in Figure 1, the roll R paper 3 towels T can be initially inserted from the edge of the 4 plate 34 into the elongate slot 50. As the closure plate 28 is moved toward the closed position, it will start to 6 reduce the size of the elongate slot and reduce the size of 7 the enlarged opening until the cover member 28 is in the 8 fully closed position, at which time the dispensing 9 aperture 36 will adopt the shape and size as shown in Figure 3.
11 It is possible to allow the initial leading strip of 12 sheet material to be inserted into the slot or other form 13 of opening 50 and moved sideways into the dispensing 14 aperture 36. Thereafter, the overall size of the dispensing opening formed by the slot 50 and the dispensing 16 aperture 36 is controlled by the aperture control means 44.
17 In essence, the dispensing aperture can be viewed as having 18 an opening in one side to allow the leading edge of the 19 sheet material to be pushed sideways into the dispensing aperture and that the aperture control means 44 may 21 constitute a plunger to enlarge or reduce the size of the 22 dispensing aperture.
23 Figures 5 - 7 illustrate a modified embodiment of a 24 dispenser for the dispensing of individual sheets of paper product or other sheet material from a center fed roll and 26 which comprises a support plate 54 having a conically 27 shaped dispensing aperture 56 therein. The dispensing 28 aperture 56 has an opened upper end 58 at the upper surface 29 of the support plate 54 and a diameterally reduced lower end 60 at the under surface of the support plate 54. In 31 this way, the dispensing aperture 56 becomes conically 32 shaped. An elongate slot 62 leads into the dispensing 33 aperture and communicates with the side of the support 34 plate 54 as best shown in Figures 5 - 7 of the drawings.
1 The dispensing aperture 56 can be adjustably sized by 2 means of a first shiftable rod 64 on the right-hand side 3 which is capable of shifting into the elongate slot 62.
4 The shiftable rod 64 also has an arcuatly shaped lower closure plate 66 capable of underlying the lower open end 6 60 and thereby reducing the size of the lower end 60 of the 7 dispensing aperture 56. Thus, by controlling the position 8 of the shiftable rod 64, it is possible to control the 9 overall size of the lower open end 60.
In like manner, the size of the lower open end 60 can 11 also be controlled by a similar shiftable rod 68 ext~n~hle 12 from the opposite side of the dispensing aperture 56. In 13 this case, the shiftable rod 68 carries an arcuatly shaped 14 end section 70 which will also slide along the underside of the plate 54 and control the size of the lower open end 60 16 from the left as best illustrated in Figure 6 of the 17 drawings.
18 Figure 8 illustrates another slightly modified form of 19 sheet dispenser and particularly the dispensing me~-h~n;cm thereof. In this case, the dispensing mech~n;cm 72 of 21 Figure 8 would be mounted on the underside of a support 22 plate such as the support plate 54 having one large opening 23 therein. The dispensing mechanism 72 comprises a conically 24 shaped wall 74 having an outwardly struck flange 76 with elongate recesses 78 formed therein. An arcuately shaped 26 closure plate is associated with the funnel shaped wall 74 27 and includes fingers 82 which are capable of fitting within 28 the elongate slot 78. Depending upon the position of the 29 fingers 82 in the elongate slot 78 the overall size of a dispensing aperture 84 formed by the conically shaped side 31 wall 74 will be determined. Figure 9 illustrates another 32 modified form of a dispensing mechanism which would 33 similarly be mounted on one side of a support plate. In 34 this case, the dispensing mech~n;sm 86 of Figure 9 is 1 comprised of a conically shaped side wall 88 forming a 2 dispensing aperture 90. Again, a first end of the 3 conically shaped wall 88 is provided with an outwardly 4 struck flange 92 having a plurality of slots 94 formed therein. A plurality of hingedly mounted fingers 96 are 6 formed on the opposite or seemed end of the conically 7 shaped wall 88 and are adapted to be inserted into elongate 8 slots 98 of a similar flange 100 on the second end of the 9 conically shaped wall 88, as best shown in Figure 4. Thus, when the fingers 96 are again inserted through each of the 11 flange plates 92 and 100, they will control the overall 12 size of the dispensing aperture 90.
Claims (22)
1. A dispenser for the dispensing of individual sheets of a flexible and foldable sheet product from a center fed roll of such product, said dispenser comprising:
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing opening provided by said plate positioned with respect to said roll for receiving tide sheets of the product and allowing a user to pull the same outwardly through the opening (c) said opening in said plate being in communication with an outer edge of said plate allowing a strip of the sheets to be initially inserted from the outer edge of the plate and through the opening and into an inner portion of the opening to start the feeding through the dispensing opening thereof;
and (d) closure means independent of said plate and movable with respect to said plate for closing said opening after insertion of the sheets into the opening to insure that the dispensing of the sheets occurs primarily through the inner portion of the dispensing opening.
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing opening provided by said plate positioned with respect to said roll for receiving tide sheets of the product and allowing a user to pull the same outwardly through the opening (c) said opening in said plate being in communication with an outer edge of said plate allowing a strip of the sheets to be initially inserted from the outer edge of the plate and through the opening and into an inner portion of the opening to start the feeding through the dispensing opening thereof;
and (d) closure means independent of said plate and movable with respect to said plate for closing said opening after insertion of the sheets into the opening to insure that the dispensing of the sheets occurs primarily through the inner portion of the dispensing opening.
2. The dispenser of claim 1 further characterized in that the center of the roll of said product as defined by an axial centerline passing through the roll is perpendicularly arranged to the plate.
3. The dispenser of claim 1 or 2 further characterized in that the sheet product is a fibrous sheet product.
4. A dispenser for the dispensing of individual sheets of a flexible and foldable fibrous sheet product from a center fed roll of such product, said dispenser comprising:
(a) a plate for receiving a roll of the sheet product in a selected orientation with respect to the plate:
(b) an opening in said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the opening;
(c) an elongated slot in said plate in communication with an inner portion of said opening and an edge of said plate, and said opening and slot forming an elongated dispensing aperture;
and (d) aperture control means associated with said elongate dispensing aperture in said plate to selectively control the size of the elongate dispensing aperture to enable accommodation of sheets with different thickness or physical conditions.
(a) a plate for receiving a roll of the sheet product in a selected orientation with respect to the plate:
(b) an opening in said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the opening;
(c) an elongated slot in said plate in communication with an inner portion of said opening and an edge of said plate, and said opening and slot forming an elongated dispensing aperture;
and (d) aperture control means associated with said elongate dispensing aperture in said plate to selectively control the size of the elongate dispensing aperture to enable accommodation of sheets with different thickness or physical conditions.
5. The dispenser of claim 4 further characterized in that the aperture control means comprises an element shiftable with respect to said plate to selectively cover or expose a portion of the dispensing aperture.
6. The dispenser of claim 4 or 5 further characterized in that said plate forms part of a housing for storing the roll and that an openable cover member forms part of the housing.
7. The dispenser of claim 6 further characterized in that the aperture control means is mounted on said cover member and is movable with respect to said elongate dispensing aperture when said cover member is moved with respect to the housing.
8. The dispenser of claim 6 further characterized in that the aperture control means is an element shiftable on said plate with respect to said elongate dispensing aperture to control the size thereof.
9. A dispenser for the dispensing of sheets of a flexible and foldable fibrous sheet product from a center fed roll of such product, said dispenser comprising:
(a) an outer housing sized to receive a center fed roll of said sheet product having a central bore;
(b) a cover member mounted on said outer housing and which is openable and closable to provide access to an interior of said housing;
(c) a plate forming part of said housing and being located with respect to the roll of the product in said housing and in a desired orientation;
(d) an aperture in said plate positioned generally perpendicularly with respect to the central bore of said roll for receiving the sheets of product and allowing a user to pull the same outwardly through the aperture;
(e) an opening in said plate in communication with said dispensing aperture allowing a strip of the sheets to be initially inserted through the opening and into the aperture to start the feeding thereof; and (f) aperture control means associated with said opening and aperture and being on said cover member to adjustably control the size thereof when said cover member is moved to an opened and closed position with respect to said housing in order to accommodate sheets of different thicknesses or physical conditions.
(a) an outer housing sized to receive a center fed roll of said sheet product having a central bore;
(b) a cover member mounted on said outer housing and which is openable and closable to provide access to an interior of said housing;
(c) a plate forming part of said housing and being located with respect to the roll of the product in said housing and in a desired orientation;
(d) an aperture in said plate positioned generally perpendicularly with respect to the central bore of said roll for receiving the sheets of product and allowing a user to pull the same outwardly through the aperture;
(e) an opening in said plate in communication with said dispensing aperture allowing a strip of the sheets to be initially inserted through the opening and into the aperture to start the feeding thereof; and (f) aperture control means associated with said opening and aperture and being on said cover member to adjustably control the size thereof when said cover member is moved to an opened and closed position with respect to said housing in order to accommodate sheets of different thicknesses or physical conditions.
10. The dispenser of claim 9 further characterized in that said opening is a slot which is also in communication with an edge of said plate such that a strip of the sheets may be inserted through the slot at the edge of said slot and into an inner end of the aperture.
11. The dispenser of claim 9 further characterized in that the opening is a slot and the aperture and slot form an elongate dispensing opening and that the aperture control means comprises an element shiftable with respect to said plate to selectively cover or expose a portion of the elongate dispensing opening.
12. The dispenser of claim 11 further characterized in that the aperture control means is an element shiftable with respect to said plate and with respect to said elongate dispensing opening to control the size thereof.
13. The dispenser of any one of claims 9 to 12 further characterized in that the sheet product is a fibrous sheet product.
14. A method of dispensing individual sheets of flexible and foldable fibrous sheet product in a dispenser from a center fed roll of such product, said method comprising:
(a) supporting a roll of the sheet product in a dispenser housing and in a position with respect to a generally flat surface;
(b) inserting a strip of the sheet product through an elongate dispensing aperture in said surface positioned with respect to said roll such that the elongate dispensing aperture receives the sheets of the roll;
(c) moving a closure member on said housing to a closed position to close said housing;
(d) adjustably controlling the size of the elongate dispensing aperture in said surface in response to the moving of the closure member to the closed position to provide the proper amount of friction in the sheets to thereby allows the sheets to be initially inserted into the aperture to start the feeding thereof and to enable pulling and dispensing of individual sheets of the product; and (e) allowing a user to pull the sheets outwardly through the aperture to achieve a dispensing thereof.
(a) supporting a roll of the sheet product in a dispenser housing and in a position with respect to a generally flat surface;
(b) inserting a strip of the sheet product through an elongate dispensing aperture in said surface positioned with respect to said roll such that the elongate dispensing aperture receives the sheets of the roll;
(c) moving a closure member on said housing to a closed position to close said housing;
(d) adjustably controlling the size of the elongate dispensing aperture in said surface in response to the moving of the closure member to the closed position to provide the proper amount of friction in the sheets to thereby allows the sheets to be initially inserted into the aperture to start the feeding thereof and to enable pulling and dispensing of individual sheets of the product; and (e) allowing a user to pull the sheets outwardly through the aperture to achieve a dispensing thereof.
15. The method of claim 14 further characterized in that the method comprises shifting an element on said closure member with respect to said generally flat surface to selectively cover or expose a portion of the dispensing aperture.
16. The method of claim 15 further characterized in that the method comprises initially inserting a strip of the sheet product through an elongated slot which is also in communication with an edge of the generally flat surface and the dispensing aperture.
17. A dispenser for the dispensing of individual sheets of a flexible and foldable fibrous sheet product from a center fed roll of such product, said dispenser comprising:
(a) an outer housing sized to hold a roll of the sheet product;
(b) a plate forming part of said housing for receiving a roll of the sheet product in a selected orientation with respect to the plate;
(c) a dispensing aperture in said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the aperture;
(d) a closure member forming part of and on said housing and being movable with respect to said housing; and (e) aperture control means shiftable with respect to said plate to control the size of the dispensing aperture and fully enclose same after sheets have been entered into the aperture.
(a) an outer housing sized to hold a roll of the sheet product;
(b) a plate forming part of said housing for receiving a roll of the sheet product in a selected orientation with respect to the plate;
(c) a dispensing aperture in said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the aperture;
(d) a closure member forming part of and on said housing and being movable with respect to said housing; and (e) aperture control means shiftable with respect to said plate to control the size of the dispensing aperture and fully enclose same after sheets have been entered into the aperture.
18. The dispenser of claim 17 further characterized in that the aperture is elongate and the aperture control means comprise an element on said cover member shiftable with respect to said plate to selectively cover or expose a portion of the aperture.
19. The dispenser of claim 17 further characterized in that the dispensing aperture forms part of an elongate slot which is also in communication with an edge of the plate.
20. A dispenser for the dispensing of individual sheets of a flexible and foldable sheet product from a center fed roll of such product, said dispenser comprising:
(a) an outer housing;
(b) a plate in said housing for receiving a roll of the sheet product in a selectable orientation;
(c) a dispensing aperture provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the aperture;
(d) an opening in said plate in communication with said aperture and in communication with an outer edge of said plate and exteriorly of a portion of the housing allowing a strip of the sheets to be initially inserted from the outer edge of the plate and through the opening and into the dispensing aperture to start the feeding through the dispensing aperture such that an endless length of the roll of the sheets can be introduced into said opening directly from the exterior of the housing;
and (e) means for closing said opening after insertion of the sheets into the opening and the dispensing aperture to insure dispensing of the sheets occurs primarily through the dispensing aperture, said closure means being independent of said plate and movable with respect to said plate.
(a) an outer housing;
(b) a plate in said housing for receiving a roll of the sheet product in a selectable orientation;
(c) a dispensing aperture provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the aperture;
(d) an opening in said plate in communication with said aperture and in communication with an outer edge of said plate and exteriorly of a portion of the housing allowing a strip of the sheets to be initially inserted from the outer edge of the plate and through the opening and into the dispensing aperture to start the feeding through the dispensing aperture such that an endless length of the roll of the sheets can be introduced into said opening directly from the exterior of the housing;
and (e) means for closing said opening after insertion of the sheets into the opening and the dispensing aperture to insure dispensing of the sheets occurs primarily through the dispensing aperture, said closure means being independent of said plate and movable with respect to said plate.
21. A dispenser for the dispensing of individual sheets of a flexible and foldable sheet product from a center fed roll of such product, said dispenser comprising:
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing aperture provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the dispensing aperture;
(c) an elongate opening in said plate in communication with said aperture, said opening also being in communication with an edge of said plate such that a strip of the sheets may be inserted into the elongate opening and into the dispensing aperture; and (d) an aperture control element shiftable in said elongate opening to selectively control the size of the elongate opening and hence the size of the dispensing aperture and thereby allow for sheet material of different thickness.
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing aperture provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the dispensing aperture;
(c) an elongate opening in said plate in communication with said aperture, said opening also being in communication with an edge of said plate such that a strip of the sheets may be inserted into the elongate opening and into the dispensing aperture; and (d) an aperture control element shiftable in said elongate opening to selectively control the size of the elongate opening and hence the size of the dispensing aperture and thereby allow for sheet material of different thickness.
22. A dispenser for the dispensing of individual sheets of a flexible and foldable sheet product from a center fed roll of such product, said dispenser comprising:
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing opening provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the opening;
(c) said opening in said plate being in communication with an outer edge of said plate allowing a long length of the sheets to be initially inserted from the outer edge of the plate and through the opening and into an inner end of the opening to start the feeding through the dispensing opening thereof;
(d) a closure means independent of said plate and movable with respect to said plate for closing said opening after insertion of the sheets into the opening to insure dispensing of the sheets occurs primarily through the inner end of the dispensing opening; and (e) means associated with said closure means to adjustably reduce or expand the size of the opening.
(a) a plate for receiving a roll of the sheet product in a selectable orientation;
(b) a dispensing opening provided by said plate positioned with respect to said roll for receiving the sheets of the product and allowing a user to pull the same outwardly through the opening;
(c) said opening in said plate being in communication with an outer edge of said plate allowing a long length of the sheets to be initially inserted from the outer edge of the plate and through the opening and into an inner end of the opening to start the feeding through the dispensing opening thereof;
(d) a closure means independent of said plate and movable with respect to said plate for closing said opening after insertion of the sheets into the opening to insure dispensing of the sheets occurs primarily through the inner end of the dispensing opening; and (e) means associated with said closure means to adjustably reduce or expand the size of the opening.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/433,978 | 1995-05-04 | ||
| US08/433,978 US5749492A (en) | 1995-05-04 | 1995-05-04 | Sheet dispenser and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2167556A1 CA2167556A1 (en) | 1996-11-05 |
| CA2167556C true CA2167556C (en) | 2003-03-11 |
Family
ID=23722328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002167556A Expired - Lifetime CA2167556C (en) | 1995-05-04 | 1996-01-18 | Sheet dispenser and method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5749492A (en) |
| EP (1) | EP0740921B1 (en) |
| CA (1) | CA2167556C (en) |
| DE (1) | DE69610354T2 (en) |
| ES (1) | ES2151100T3 (en) |
| MX (1) | MX9601646A (en) |
| PT (1) | PT740921E (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765718A (en) * | 1996-10-16 | 1998-06-16 | Fort James Corporation | Center pull sheet dispensing apparatus |
| FR2761252B1 (en) * | 1997-03-28 | 1999-04-30 | Fort James France | ONE-TO-ONE SHEET DISTRIBUTION SYSTEM |
| US6129240A (en) * | 1998-11-24 | 2000-10-10 | Perrin Manufacturing Company | Dispenser nozzle and method for dispensing individual sheets from the center of a coreless roll product |
| EP1066787B1 (en) | 1999-07-08 | 2005-03-09 | Georgia-Pacific France | Paperweb roll dispenser with centre feeding out |
| US6510964B2 (en) * | 2000-11-13 | 2003-01-28 | Englewood Ventures, Inc. | Center-pull sheet material dispenser |
| US7275672B2 (en) | 2001-09-11 | 2007-10-02 | Alwin Manufacturing Company, Inc. | Center pull dispenser with self-adjusting dispenser mechanism |
| US6592001B2 (en) | 2001-12-18 | 2003-07-15 | Kimberly-Clark Worldwide | Dispenser for sheet material containing a dispensing port incrementally variable within a range |
| US6629667B2 (en) * | 2001-12-28 | 2003-10-07 | Kimberly-Clark Corporation | Dispenser for sheet material |
| US6575397B1 (en) | 2002-04-25 | 2003-06-10 | Kimberly-Clark Worldwide, Inc. | Dispenser for sheet material |
| US7040568B2 (en) * | 2004-04-02 | 2006-05-09 | Kimberly-Clark Worldwide, Inc. | Dispenser for sheet material |
| US7530460B2 (en) * | 2004-06-30 | 2009-05-12 | Kimberly-Clark Worldwide, Inc. | Dispenser for rolled sheet material |
| US6964395B1 (en) | 2004-06-30 | 2005-11-15 | Kimberly-Clark Worldwide, Inc. | Dispenser for rolled sheet material |
| US7806291B2 (en) * | 2005-05-19 | 2010-10-05 | Buckeye Technologies | Center-pull dispenser for web material |
| US7131609B1 (en) * | 2005-08-31 | 2006-11-07 | Kimberly-Clark Worldwide, Inc. | Dispenser for sheet material |
| FR2893495B1 (en) * | 2005-11-18 | 2008-02-15 | Georgia Pacific France Soc En | PAPER DISPENSER |
| US7510137B2 (en) * | 2007-05-24 | 2009-03-31 | Kimberly-Clark Worldwide, Inc. | Dispenser for sheet material |
| US20100078443A1 (en) * | 2008-09-26 | 2010-04-01 | Rebecca Hoefing | Wipes Canister Opening |
| US9908691B2 (en) * | 2010-06-30 | 2018-03-06 | Gpcp Ip Holdings Llc | Dispenser and sheet product dispensing plate therefor |
| DE202012009025U1 (en) * | 2012-09-19 | 2012-12-19 | Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. | Apparatus for manually generating a spiral packaging material |
| US10149578B2 (en) * | 2015-10-20 | 2018-12-11 | Wisconsin Plastics, Inc. | Paper towel dispensers |
| US11224314B2 (en) | 2019-05-31 | 2022-01-18 | San Jamar, Inc. | Web material center-pull dispenser assembly |
| USD984824S1 (en) | 2019-05-31 | 2023-05-02 | San Jamar, Inc. | Center pull-through dispenser |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4262816A (en) * | 1978-10-12 | 1981-04-21 | Sterling Drug Inc. | Container and dispensing plate for a roll of premoistened towelettes |
| US4462507A (en) * | 1979-04-26 | 1984-07-31 | Sterling Drug Inc. | Dispensing closure for closing a canister containing dispensable articles |
| AU2378384A (en) * | 1983-01-26 | 1984-08-02 | Albertus Johannes Bernardus De Jongh | Moist towelette dispenser |
| CA2044188C (en) * | 1990-06-28 | 2002-02-12 | Richard P. Lewis | Variable orifice centerflow dispenser |
| US5211308A (en) * | 1992-02-27 | 1993-05-18 | Nyco International, Inc. | Universal funnel for a paper dispenser |
| US5205455A (en) * | 1992-05-21 | 1993-04-27 | James River Ii, Inc. | Dispenser with stabilizer for coreless roll products |
| US5246137A (en) * | 1992-08-06 | 1993-09-21 | James River Paper Company, Inc. | Center-pull roll product dispenser with nozzle inserts |
| US5346064A (en) * | 1993-02-25 | 1994-09-13 | James River Paper Company, Inc. | Center-pull roll product dispenser package |
| US5310083A (en) * | 1993-04-08 | 1994-05-10 | James River Paper Company, Inc. | Center-pull nozzle with modified cone |
-
1995
- 1995-05-04 US US08/433,978 patent/US5749492A/en not_active Expired - Lifetime
-
1996
- 1996-01-18 CA CA002167556A patent/CA2167556C/en not_active Expired - Lifetime
- 1996-04-30 EP EP96106817A patent/EP0740921B1/en not_active Expired - Lifetime
- 1996-04-30 DE DE69610354T patent/DE69610354T2/en not_active Expired - Lifetime
- 1996-04-30 PT PT96106817T patent/PT740921E/en unknown
- 1996-04-30 ES ES96106817T patent/ES2151100T3/en not_active Expired - Lifetime
- 1996-05-03 MX MX9601646A patent/MX9601646A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0740921A1 (en) | 1996-11-06 |
| US5749492A (en) | 1998-05-12 |
| EP0740921B1 (en) | 2000-09-20 |
| MX9601646A (en) | 1998-04-30 |
| PT740921E (en) | 2001-01-31 |
| DE69610354D1 (en) | 2000-10-26 |
| DE69610354T2 (en) | 2001-02-15 |
| ES2151100T3 (en) | 2000-12-16 |
| CA2167556A1 (en) | 1996-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20160118 |
|
| MKEX | Expiry |
Effective date: 20160118 |