CA1096821A - Flattened roll web dispenser - Google Patents
Flattened roll web dispenserInfo
- Publication number
- CA1096821A CA1096821A CA320,372A CA320372A CA1096821A CA 1096821 A CA1096821 A CA 1096821A CA 320372 A CA320372 A CA 320372A CA 1096821 A CA1096821 A CA 1096821A
- Authority
- CA
- Canada
- Prior art keywords
- roll
- bore
- container
- aperture
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
In combination a rigid non-flexible walled container and a roll of substrate therein, the roll comprising a pre-folded web, cross perforated to provide tearable sheets there-from, the container comprising at least a pair of end wall members interconnected by at least one further wall member to thereby enclose the roll, and an aperture in at least one of the end wall members for use in dispensing the roll from the container, the aperture including means for use in severing the substrate, the roll including a pair of end faces and a pheripheral surface extending therebetween, the end faces being adjacent respectively the end wall members, the roll further including a bore extending between the end faces along the central axis upon which the roll is wound, the central axis of the bore being substantially coincident with the central axis of the aperture, the roll being adapted to be unwound from the bore through the aperture, the further wall abutting at least portions of the peripheral surface flattening the roll and deforming the peripheral surface and accordingly the bore such that the peripheral surface and the bore are elliptically shaped when viewed in a cross-section taken normal to the length of the bore, the cross-section being substantially uniform throughout the length of the bore whereby the unwinding of the roll from the bore is not inhibited, and the spacing of the cross-perforations lengthwise of the web and spacing of the end faces one to another are such that unwinding of the roll from the bore is not inhibited, a method is also disclosed, based on the aforementioned combination.
In combination a rigid non-flexible walled container and a roll of substrate therein, the roll comprising a pre-folded web, cross perforated to provide tearable sheets there-from, the container comprising at least a pair of end wall members interconnected by at least one further wall member to thereby enclose the roll, and an aperture in at least one of the end wall members for use in dispensing the roll from the container, the aperture including means for use in severing the substrate, the roll including a pair of end faces and a pheripheral surface extending therebetween, the end faces being adjacent respectively the end wall members, the roll further including a bore extending between the end faces along the central axis upon which the roll is wound, the central axis of the bore being substantially coincident with the central axis of the aperture, the roll being adapted to be unwound from the bore through the aperture, the further wall abutting at least portions of the peripheral surface flattening the roll and deforming the peripheral surface and accordingly the bore such that the peripheral surface and the bore are elliptically shaped when viewed in a cross-section taken normal to the length of the bore, the cross-section being substantially uniform throughout the length of the bore whereby the unwinding of the roll from the bore is not inhibited, and the spacing of the cross-perforations lengthwise of the web and spacing of the end faces one to another are such that unwinding of the roll from the bore is not inhibited, a method is also disclosed, based on the aforementioned combination.
Description
The present invention relates to apparatus namely containers for holding and dispensing rolls of substrate of the type adapted to be unwound from the central portion of the roll, also to a method based on the use of said apparatus. It parti~
cularly relates to dispensers for tissues and more particularly to such dispensers in which a treated or the like perforated tissue web is placed within the dispenser an~ in which a single tissue is dispensed by severing the forward most partially exposed tissue from the remainder of the roll.
Various dispensers of the type discussed are known as for example the dispenser disclosed and described in Rockefeller's U. S. Patent 3,868,052 dated February 25, 1975.
Another example is the one disclosed and described in Doyle et al's Canadian Patent 940,492 dated January 22, 1974.
A major disadvantage of the aforementioned prior art dispensers is their relatively large size and shape. They do not, because of their bulkiness, lend themselves, for example, to use in ladies purses, particularly the smaIl dress type or even for use in shirt and pant pockets.
In order to better appreciate the present invention, further discussion of the prior art and related aspects is deemed necessary, A substrate, which may for example be impregnated with liquid (saturated) as for example discussed in Canadian Patent 940,492, and cross-perforated tissue and wound into a roll is known, as are methods for removing selected portions of such roll. These methods include the steps of unwinding the roll from either the outside or the central portion of the roll.
Prior art examples of containers for use in carrying out-such methods include respectively Cordis's U. S. Patent 3,368,522 dated February 13, 1968 and aforementioned Rockefeller's ~ ` ~
10"68Zl U. S~ Patent 3,868,052. Both aforementioned containers are of necessity bulky, the container of Cordis being the bulkiest for reason of requiring additional space in the container for rotation of the roll during the dispensing operation. Accord-ingly, of the two, the Rockefeller container i9 obviously more compact, assuming of course the roll sizes are of similar capacity. Rockefeller's arrangement also, however, suffers the drawback of having a space consuming void in the middle of the roll and apart from this, the round shape of the container renders it bulky. The aforementioned space consuming void is required and necessary to facilitate the easy extraction o the first sheets from the roll without knotting. Reduction in the size of the void is limited to a relatively large diameter, being the minimum mandrel diameter used in high speed winding operations. In the case of the Cordis arrangement, the container has to be even larger and accordingly bulkier since the roll must have free space around it to enable it to spin easily and thereby prevent tearing of the perforations before the second sheet is out of the container.
In making comparisons, it is assumed all the rolls of substrate are wound with similar tightness. Accordingly, the ~ -roll capacities would be similar for a given size.
Figures 1 and 2 illustrate diagramatically the prior art arrangements respectively of Rockefeller and Cordis. Refer-ring to these Fi~ures, the rectangles surrounding the circles representing rolls, define the package area which is exclusive of the package thickness.
It is therefore a prime object of the present inven-tion to provide a container for dispensing of the type discussed which overcomes the aforementioned major disadvantages and which at the same time does not, in achieving the objective, inhibit i~6~3Z~
the unwinding of the roll or sacrifice on the capacity of the container, The latter aspect is of particular importance to ensure a commercially successful product, It is a further object of the present invention to provide a dispenser of the type discussed which is relatively inexpensive to manufacture.
It is still a further object of the present invention to provide a dispenser of the type discussed which includes a container aperture having a breakable seal and a cap for reseal-ing the aperture and wherein the aperture provides access for the passage o~ fingers tc grip the unwinding end o~ the sub-strate and pull the same through the aperture and also where the aperture includes means for use in aiding the severing of the substrate from the roll.
It is not deemed practical to merely miniaturize the known prior art designs in order to overcome bulkiness, for example, since the resulting reduction in container capacity, as discussed, obviously would affect desirability of the product.
In one aspect of the present invention there is pro-vided in combination a rigid non-flexible walled container and a roll of substrate therein, said roll comprising a pre-folded web, cross perforated to provide tearable sheets therefrom, said container comprising at least a pair of end wall members interconnected by at least one further wall member to thereby enclose said roll, and an aperture in at least one of said end wall members for use in dispensing said roll from said container, said aperture including means for use in severing said sub-strate, said roll including a pair of end faces and a pheri-pheral surface extending therebetween, said end faces being adjacent respectively said end wall members, said roll further including a bore extending between said end faces along the 68Zl central axis upon which said roll is wound, the central axis of said bore being substantially coincident with the central axis of said aperturè, said roll being adapted to be unwound from said bore through said apexture, said further wall abutting at least portions of said periplleral surface flattening said roll and deforming said peripheral surface and accordingly said bore such that said peripheral surface and said bore are elliptically shaped when viewed in a cross-section taken normal to the length of said bore, said cross-section being substant-ially uniform throughout the length of said bore whereby the unwinding of said roll from said bore is not inhibited, and ~ -said spacing of said cross-perforations lengthwise of said web and spacing of said end faces one to another are such that unwinding of said roll from said bore is not inhibited.
In a further aspect of the present invention, there is provided a method of compacting a roll of pre-folded and cross perforated substrate of the type having at least a pair of end faces and a peripheral surface extending therebetween and a bore extending between said end faces along the central axis upon which the roll is wound and said roll being adapted to be unwound from said bore, comprising the steps of:
i) applyin~ force,~at least at selected points to said peripheral surface, by the use of a rigid non-flexible walled container adapted to receive said roll, to flatten said roll and deform said bore into an elliptical aperture uniformly throughout its entire length such that unwinding of the roll through said elliptical aperture is not inhibited;
and ii~ maintaining said force, with said container, to retain said roll in said flattened condition thereby to main-tain the compacting of said roll.
,r_~
Zl From the foregoing, it will be seen there is provided a container which may have a slim profile which dispenses sub-strate of the type and in the form discussed and to achieve this result, the container applies a compacting action to the roll of substrate to provide a smaller package for a given size of roll and wherein the unwinding action of the roll is not inhibited.
The invention is illustrated by way of example in the accompanying drawings wherein:
Figures 1, 2 and 12 to 17 inclusive illustrate diagramatically, aspects relating to the prior art and present lnventlon, ~, -4a-l~lQ682~
Figure 3 is an oblique view of a container in accordance with the present invention, Figures 3a and 3b show a part view of the container shown in Figure 3 and illustrate alternative styles of apertures to that shown in Figure 3.
Figure 4 is a side elevational view of the container shown in Figure 3 and further shows a roll of substrate therein, Figure 5 is a cross-sectional view of the container shown in Figure 4 taken along line 5-5 showing the interior wall having an elliptical shape, Figure 5a is a cross-sectional view of a container similar to that of Figure 4 except wherein the interior wall has a rectangular shape rather than an elliptical shape, Figure 5b is a cross-sectional view of a container similar to that of Figure 4 showing an alternative exterior container wall shape, Figures 6 and 7 show further embodiments of the present invention being alternative containers tothose disclosed in Figure 3;
~ igure 8 is a cross-sectional view of a folded web of substrate taken along a line which i5 normal to the length of the web, prior to said web being wound into a roll being a prior art example of roll which may be used in containers in accordance with the present invention;
Figures 9 to 11, inclusive, illustrate a n~ber of alternative container apertures to the one shown elsewhere in the drawings including means for use in severing the sub-strate as it i5 dispensed from the container.
_ ~
1~68~1 Figures 1 and 2 as discussed previously, illustrate diagramatically prior art container and roll combinations and make reference to the respective package areas.
Figure 12 illustrates diagramatically an end face of a roll of substrate of the type used in containers of the present invention prior to its peripheral surface being flattened into - 5a -1~6821 the shape represented in Figure 13. In Figure 12 the interior walls of the container are shown abutting the peri~heral surface of the roll and accordingly defining a substantially square shape of container as in the prior art. In Figure 13 the roll of Figure 12 is shown completely flattened thereby producing a slim profile and the interior walls of the container are shown abutting the peripheral surface of the roll and accordingly define a rectangular shape of container in accordance with the present invention. As will be seen, the container walls retain the roll in a flattened shape.
In practice, depending upon the size o the bore and the outside diameter of the roll, being flattened, the roll could, for example, be elliptical in shape as best seen in Figure 5, rather than as shown in Figure 13, accordingly the elongated aperture could include a definite opening as best seen in Figure 5, rather than the slit having little or no opening as shown in Figure 13. An all important factor in respect of any roll being flattened in accordance with the present inventio~, is the amount of pressure applied in flattening the roll. A
limited pressure is required in all cases in order not to inhibit the unwinding of the roll through the elongated aperture.
As will be readily realized, and particularly in the case of a roll which has been cross perforated, too much pressure applied in flattening the roll will result in the web breaking pre-maturely at an inconvenient place, for example before the web is out of the container when being pulled to unwind through the container aperture.
Turning now to the advantages of the present invention.
Referring to Figure 13 it will be seen the area of the end face of the roll is reduced by the area of the central mandrel hole (in a conventionally produced package). This may ~6~3Zl be expressed ~4 -~ ~(D2-d2) The theoretical package equivalent end area is reduced by an area equal to 1.571dD - .571d .
The perimeter of the theoretical equivalent package is reduced by .858d (4D -~4D - .858d), Expressing this another way, the decrease in the smallest dimension of the package resulting from the flatten-ing of the roll will always be more than the increase in the larger dimension of the package.
The present inventive concept allows considerable flexibility in the selection of container dimensions, This becomes particularly useful when slim packages are required to meet the needs of purse packs, shirt pocket packs, or other specific shape requirements.
From the foregoing, it will be readily appreciated there is a substantial reduction in both shipping and storage space requirements afforded by containers of the present inven-tion over those of the prior art and accordingly reduced storing and shipping costs. Apart from requiring less space for shipping and stora~e, the containers of the present invention take up less space in whatever they are used in and because of the much smaller container afforded, especially in its most efficient space saving shape, i.e, as disclosed in Figure 3, e~panded container use and accordingly sales, is achieved, The slim elliptical shape of the container of Figure 3 is deemed ideal for use in the confined areas as discussed above, especially when utilizing a roll having for example, prior to flattening, an outside diameter of 1 3/8", a mandrel hole of 3/4", and a roll length (i,e. the dimension between the end faces of the ~6821 roll) of 3", the latter dimensions being approximate. It will of course be understood that in mentioning such example dimen-sions, no limitations in respect of the use or scope of the invention is intended. It is accordingly visualized elliptical and the like or rectangular shaped containers, for example in accordance with the present invention of various dimensions including much larger dimensions to those mentioned above, would also be co~nercially desirable.
It has been found, during experimentation, the length of the roll, i.e. dimension between the end faces of the roll, is an important factor in ensuring the substrate will unwind in a satisfactory manner. Prefolding of the web so as to reduce the roll length has been found useful in this regard. Of course, it is acknowledged other factors will affect satisfactory un winding of the roll and which include the tightness of the winding of the roll perforation spacing along the web, the bore of the roll and the level of lubrication provided, for example by moistening agents.
'rurning now to a detailed discussion of the saving in package area afforded by containers of the present invention.
1. Actual Area of substrate: (Figure 14) ~4 (~2_d2)
cularly relates to dispensers for tissues and more particularly to such dispensers in which a treated or the like perforated tissue web is placed within the dispenser an~ in which a single tissue is dispensed by severing the forward most partially exposed tissue from the remainder of the roll.
Various dispensers of the type discussed are known as for example the dispenser disclosed and described in Rockefeller's U. S. Patent 3,868,052 dated February 25, 1975.
Another example is the one disclosed and described in Doyle et al's Canadian Patent 940,492 dated January 22, 1974.
A major disadvantage of the aforementioned prior art dispensers is their relatively large size and shape. They do not, because of their bulkiness, lend themselves, for example, to use in ladies purses, particularly the smaIl dress type or even for use in shirt and pant pockets.
In order to better appreciate the present invention, further discussion of the prior art and related aspects is deemed necessary, A substrate, which may for example be impregnated with liquid (saturated) as for example discussed in Canadian Patent 940,492, and cross-perforated tissue and wound into a roll is known, as are methods for removing selected portions of such roll. These methods include the steps of unwinding the roll from either the outside or the central portion of the roll.
Prior art examples of containers for use in carrying out-such methods include respectively Cordis's U. S. Patent 3,368,522 dated February 13, 1968 and aforementioned Rockefeller's ~ ` ~
10"68Zl U. S~ Patent 3,868,052. Both aforementioned containers are of necessity bulky, the container of Cordis being the bulkiest for reason of requiring additional space in the container for rotation of the roll during the dispensing operation. Accord-ingly, of the two, the Rockefeller container i9 obviously more compact, assuming of course the roll sizes are of similar capacity. Rockefeller's arrangement also, however, suffers the drawback of having a space consuming void in the middle of the roll and apart from this, the round shape of the container renders it bulky. The aforementioned space consuming void is required and necessary to facilitate the easy extraction o the first sheets from the roll without knotting. Reduction in the size of the void is limited to a relatively large diameter, being the minimum mandrel diameter used in high speed winding operations. In the case of the Cordis arrangement, the container has to be even larger and accordingly bulkier since the roll must have free space around it to enable it to spin easily and thereby prevent tearing of the perforations before the second sheet is out of the container.
In making comparisons, it is assumed all the rolls of substrate are wound with similar tightness. Accordingly, the ~ -roll capacities would be similar for a given size.
Figures 1 and 2 illustrate diagramatically the prior art arrangements respectively of Rockefeller and Cordis. Refer-ring to these Fi~ures, the rectangles surrounding the circles representing rolls, define the package area which is exclusive of the package thickness.
It is therefore a prime object of the present inven-tion to provide a container for dispensing of the type discussed which overcomes the aforementioned major disadvantages and which at the same time does not, in achieving the objective, inhibit i~6~3Z~
the unwinding of the roll or sacrifice on the capacity of the container, The latter aspect is of particular importance to ensure a commercially successful product, It is a further object of the present invention to provide a dispenser of the type discussed which is relatively inexpensive to manufacture.
It is still a further object of the present invention to provide a dispenser of the type discussed which includes a container aperture having a breakable seal and a cap for reseal-ing the aperture and wherein the aperture provides access for the passage o~ fingers tc grip the unwinding end o~ the sub-strate and pull the same through the aperture and also where the aperture includes means for use in aiding the severing of the substrate from the roll.
It is not deemed practical to merely miniaturize the known prior art designs in order to overcome bulkiness, for example, since the resulting reduction in container capacity, as discussed, obviously would affect desirability of the product.
In one aspect of the present invention there is pro-vided in combination a rigid non-flexible walled container and a roll of substrate therein, said roll comprising a pre-folded web, cross perforated to provide tearable sheets therefrom, said container comprising at least a pair of end wall members interconnected by at least one further wall member to thereby enclose said roll, and an aperture in at least one of said end wall members for use in dispensing said roll from said container, said aperture including means for use in severing said sub-strate, said roll including a pair of end faces and a pheri-pheral surface extending therebetween, said end faces being adjacent respectively said end wall members, said roll further including a bore extending between said end faces along the 68Zl central axis upon which said roll is wound, the central axis of said bore being substantially coincident with the central axis of said aperturè, said roll being adapted to be unwound from said bore through said apexture, said further wall abutting at least portions of said periplleral surface flattening said roll and deforming said peripheral surface and accordingly said bore such that said peripheral surface and said bore are elliptically shaped when viewed in a cross-section taken normal to the length of said bore, said cross-section being substant-ially uniform throughout the length of said bore whereby the unwinding of said roll from said bore is not inhibited, and ~ -said spacing of said cross-perforations lengthwise of said web and spacing of said end faces one to another are such that unwinding of said roll from said bore is not inhibited.
In a further aspect of the present invention, there is provided a method of compacting a roll of pre-folded and cross perforated substrate of the type having at least a pair of end faces and a peripheral surface extending therebetween and a bore extending between said end faces along the central axis upon which the roll is wound and said roll being adapted to be unwound from said bore, comprising the steps of:
i) applyin~ force,~at least at selected points to said peripheral surface, by the use of a rigid non-flexible walled container adapted to receive said roll, to flatten said roll and deform said bore into an elliptical aperture uniformly throughout its entire length such that unwinding of the roll through said elliptical aperture is not inhibited;
and ii~ maintaining said force, with said container, to retain said roll in said flattened condition thereby to main-tain the compacting of said roll.
,r_~
Zl From the foregoing, it will be seen there is provided a container which may have a slim profile which dispenses sub-strate of the type and in the form discussed and to achieve this result, the container applies a compacting action to the roll of substrate to provide a smaller package for a given size of roll and wherein the unwinding action of the roll is not inhibited.
The invention is illustrated by way of example in the accompanying drawings wherein:
Figures 1, 2 and 12 to 17 inclusive illustrate diagramatically, aspects relating to the prior art and present lnventlon, ~, -4a-l~lQ682~
Figure 3 is an oblique view of a container in accordance with the present invention, Figures 3a and 3b show a part view of the container shown in Figure 3 and illustrate alternative styles of apertures to that shown in Figure 3.
Figure 4 is a side elevational view of the container shown in Figure 3 and further shows a roll of substrate therein, Figure 5 is a cross-sectional view of the container shown in Figure 4 taken along line 5-5 showing the interior wall having an elliptical shape, Figure 5a is a cross-sectional view of a container similar to that of Figure 4 except wherein the interior wall has a rectangular shape rather than an elliptical shape, Figure 5b is a cross-sectional view of a container similar to that of Figure 4 showing an alternative exterior container wall shape, Figures 6 and 7 show further embodiments of the present invention being alternative containers tothose disclosed in Figure 3;
~ igure 8 is a cross-sectional view of a folded web of substrate taken along a line which i5 normal to the length of the web, prior to said web being wound into a roll being a prior art example of roll which may be used in containers in accordance with the present invention;
Figures 9 to 11, inclusive, illustrate a n~ber of alternative container apertures to the one shown elsewhere in the drawings including means for use in severing the sub-strate as it i5 dispensed from the container.
_ ~
1~68~1 Figures 1 and 2 as discussed previously, illustrate diagramatically prior art container and roll combinations and make reference to the respective package areas.
Figure 12 illustrates diagramatically an end face of a roll of substrate of the type used in containers of the present invention prior to its peripheral surface being flattened into - 5a -1~6821 the shape represented in Figure 13. In Figure 12 the interior walls of the container are shown abutting the peri~heral surface of the roll and accordingly defining a substantially square shape of container as in the prior art. In Figure 13 the roll of Figure 12 is shown completely flattened thereby producing a slim profile and the interior walls of the container are shown abutting the peripheral surface of the roll and accordingly define a rectangular shape of container in accordance with the present invention. As will be seen, the container walls retain the roll in a flattened shape.
In practice, depending upon the size o the bore and the outside diameter of the roll, being flattened, the roll could, for example, be elliptical in shape as best seen in Figure 5, rather than as shown in Figure 13, accordingly the elongated aperture could include a definite opening as best seen in Figure 5, rather than the slit having little or no opening as shown in Figure 13. An all important factor in respect of any roll being flattened in accordance with the present inventio~, is the amount of pressure applied in flattening the roll. A
limited pressure is required in all cases in order not to inhibit the unwinding of the roll through the elongated aperture.
As will be readily realized, and particularly in the case of a roll which has been cross perforated, too much pressure applied in flattening the roll will result in the web breaking pre-maturely at an inconvenient place, for example before the web is out of the container when being pulled to unwind through the container aperture.
Turning now to the advantages of the present invention.
Referring to Figure 13 it will be seen the area of the end face of the roll is reduced by the area of the central mandrel hole (in a conventionally produced package). This may ~6~3Zl be expressed ~4 -~ ~(D2-d2) The theoretical package equivalent end area is reduced by an area equal to 1.571dD - .571d .
The perimeter of the theoretical equivalent package is reduced by .858d (4D -~4D - .858d), Expressing this another way, the decrease in the smallest dimension of the package resulting from the flatten-ing of the roll will always be more than the increase in the larger dimension of the package.
The present inventive concept allows considerable flexibility in the selection of container dimensions, This becomes particularly useful when slim packages are required to meet the needs of purse packs, shirt pocket packs, or other specific shape requirements.
From the foregoing, it will be readily appreciated there is a substantial reduction in both shipping and storage space requirements afforded by containers of the present inven-tion over those of the prior art and accordingly reduced storing and shipping costs. Apart from requiring less space for shipping and stora~e, the containers of the present invention take up less space in whatever they are used in and because of the much smaller container afforded, especially in its most efficient space saving shape, i.e, as disclosed in Figure 3, e~panded container use and accordingly sales, is achieved, The slim elliptical shape of the container of Figure 3 is deemed ideal for use in the confined areas as discussed above, especially when utilizing a roll having for example, prior to flattening, an outside diameter of 1 3/8", a mandrel hole of 3/4", and a roll length (i,e. the dimension between the end faces of the ~6821 roll) of 3", the latter dimensions being approximate. It will of course be understood that in mentioning such example dimen-sions, no limitations in respect of the use or scope of the invention is intended. It is accordingly visualized elliptical and the like or rectangular shaped containers, for example in accordance with the present invention of various dimensions including much larger dimensions to those mentioned above, would also be co~nercially desirable.
It has been found, during experimentation, the length of the roll, i.e. dimension between the end faces of the roll, is an important factor in ensuring the substrate will unwind in a satisfactory manner. Prefolding of the web so as to reduce the roll length has been found useful in this regard. Of course, it is acknowledged other factors will affect satisfactory un winding of the roll and which include the tightness of the winding of the roll perforation spacing along the web, the bore of the roll and the level of lubrication provided, for example by moistening agents.
'rurning now to a detailed discussion of the saving in package area afforded by containers of the present invention.
1. Actual Area of substrate: (Figure 14) ~4 (~2_d2)
2. Actual Area of substrate: (Figure 15) ~d(D-d) + ~4~D-d) _ ~dD ~d2 ~D2 ~d2 2~nd = ~D _ ~d = ~(D2-d2~l 10~36821 Packaqe Area 1. The effective Package Area of Figure 14 AREA = D x D = D
2. Package Area of Figure 15 = (D-d ~ )(D-d) = (D - .57ld)(D-d) = D - 1.571dD + .571d Saving in Package Area:
= D -~D - 1.571dD + .571d ) = 1.571dD - .571d As d and/or D-d increase so does the saving in area of Fig. 14 and Fig. 15 above.
Circumference of Equivalent Packaqe Figure 16 = 4D
Figure 17 - = 2(D-d~d~D-d) = 2(2D - .429d) = 4D - .8S8d As d approaches D, saving becomes slgnificant; i.e. 21.4%, Figure 3 discloses a preferred embodiment of the present invention being the combination 100 of a container lOOA
and a roll of substrate lOOB, the container comprising a pair of end members 10 and 11 interconnected by a further member 12 to thereby form an enclosure for the roll lOOB. Members 10 and 11 are elliptical shaped discs and member 12 is constructed in the form of an elliptical bore tube. End member 10 includes an aperture 13 for use in dispensing roll lOOB from the container.
As best seen in Figure 4, the roll lOOB includes a pair of end faces 30 and 31 and a peripheral surface 32 extend-ing bet~een end faces 30 and 31 and a bore or passageway 33 .
1~Ca6~32~
extending along the central axis 34 of the roll lOOB, being the axis upon which the roll is wound. Roll 100B is adapted to be unwound from bore 33. The adaptation for unwinding, although not shown, includes the untethered end of the roll 100B extending into or alternatively from the bore 33 so that it may be readily gripped, for example by fingers when extended through aperture 13.
Roll lOOB prior to insertion into container lOOA, in the present instance, resembles a roll much like a well known toilet roll, having a round peripheral surface and accordingly a round bore.
As best seen in Figure 5, once roll lOOB is inserted into container lOOA, member 12 abuts the peripheral surface 32 of the roll to thereby flatten the same and accordingly deforms bore 33 into a slot-like aperture having sufficient width to permit and facilitate unwinding of the roll. In the present preferred embodiment, the roll lOOB is cross perforated in similar manner to that of a toilet roll, to assist in providing readily tearable sheets therefrom. It further includes a moistening agent and the substrate is pre-folded in any suit-able well known manner prior to being wound upon axis 34.
I~ desired, faces 30 and 31 may closely abut end members 10 and 11. Alternatively, a selected space may be pro-vided between the respective faces and end members as for example shown in Figure ~.
Container lOOA may be constructed as shown using any suitable material such as a suitable thermoplastic, end members 10 and 11, being secured to member 12 by suitable means such as bonding. Alternatively, end member 10 may comprise a press fit lid having a lip lOA. It will be readily realized end member 11 may also comprise a press fit lid or alternatively may be 682~
integrally connected with member 12.
Referring to Figure 4, end member 10 includes a spout 14 extending from the outer face lOB of end member 10 and is adapted to receive, at its outer free end, detachably securable cap lS for use in sealing the container. As will be seen, aperture 13 extends completely through spout 14. As shown, cap 15 is a press fit upon spout 14. Aperture 13 may, for example, include an extended "V" notch 13B as shown in Figure 3 for use in aiding the severing of the sheets from the roll. Notch 13B
as shown, amounts to an extension of aperture 13 and is adapted to receive and engage the web of substrate as it is pulled through aperture 13 in sideways motion. Notch 13B accordingly provides means for locking the substrate to the container to aid severing the web at the perforations. As will be realized, aperture 13 may be of any suitable design including for example ones illustrated in Figures 9 to 11 inclusive. Alternatively, dispensing apertures as disclosed and described in Canadian Patent 940,492 may be used, as discussed hereinafter Figures S, 5a and Sb illustrate, in corss-section, alternative container shapes. Although Figure 5 shows one of the most efficient shapes of container cross-section, the cross-sectional shapes of Figures 5a and 5b may for some reason, appeal more from anaesthetic point of view and are disclosed merely for this purpose. In Figure 5a, member 12 is a rectan-~ular tube and in Figure 5~ has an elliptical shaped inner wall and a multi-surfaced outer wall.
Turning now to Figures 6 and 7 which disclose further alternative embodiments of containers. Figure 6 illustrates a side elevational view of a two-piece mol~ed container 40 con-structed of thermoplastic material having a rectangular cross-section, similar to that shown in Figure 5a. Basically, the 1~6821 container, as is evident from Figure 6, comprises a pair of wedge-shaped concave pieces 41 and 42 interconnected one to another to form a box-like enclosure for roll 100~ along a joint line 43. As will be noted, the arrangement of the joint line 43 permits the container aperture which is located sub-stantially coaxially with the bore of the roll lOOB, to be fully accommodated within the relatively sloping end member face 44 of piece 41.
Figure 7 illustrates a slim rectangular shaped con-10- tainer 50, which in one instance may, if desired, be similar in size, to that of the well known cigarette pack, having an opening 51 closeable by hingedly secured flaps 52 and S3, flap 52 comprising an end member of the container. Container 50, which includes a fixed (non-hingedly) end member 50A, may be made of any suitable material including thermoplastics. After roll 100B has been inserted into container 50 as shown in Figure 7, flap 52 is then moved to close off opening 51 and accordingly retain roll lOOB in place. After flap 52 has been positively secured in its closed position using flap 52B, to-gether with, for example, a suitable bonding agent to secureit in place to the inner wall of the container, roll lOOs may be dispensed through the container aperture 52A. Flap 53 pro-vides means for sealing off aperture S2~ and includes suitable known means (not shown3 for detachablysecuring to flap 52.
Aperture 52A, it will be noted comprises a pair of slits arranged in the form of a cross. Alternatively, one slit only may be utilized. Such design of aperture is well known for example, from aforementioned Canadian Patent 940,492.
Referring in further detail to aperture 52A, the slits have slightly yielding edges to allow the edges to bend to form an opening, to provide for easy flow of the substrate 1~6821 as it is pulled from the container and to reclose said opening to avoid the substrate drying out when such has been impregnated, for example with liquid, the substrate being capable of being extracted through the slit from within the container.
As indicated previously, any containers in accordance with the present invention, including those disclosed in Figures 3, 6 and 7 may include, for example, any of the aper-tures presently disclosed and discussed. Accordingly, aperture 52A for example, could very well be used in the container of Figure 3, as for example illustrated in Figure 3a.
2. Package Area of Figure 15 = (D-d ~ )(D-d) = (D - .57ld)(D-d) = D - 1.571dD + .571d Saving in Package Area:
= D -~D - 1.571dD + .571d ) = 1.571dD - .571d As d and/or D-d increase so does the saving in area of Fig. 14 and Fig. 15 above.
Circumference of Equivalent Packaqe Figure 16 = 4D
Figure 17 - = 2(D-d~d~D-d) = 2(2D - .429d) = 4D - .8S8d As d approaches D, saving becomes slgnificant; i.e. 21.4%, Figure 3 discloses a preferred embodiment of the present invention being the combination 100 of a container lOOA
and a roll of substrate lOOB, the container comprising a pair of end members 10 and 11 interconnected by a further member 12 to thereby form an enclosure for the roll lOOB. Members 10 and 11 are elliptical shaped discs and member 12 is constructed in the form of an elliptical bore tube. End member 10 includes an aperture 13 for use in dispensing roll lOOB from the container.
As best seen in Figure 4, the roll lOOB includes a pair of end faces 30 and 31 and a peripheral surface 32 extend-ing bet~een end faces 30 and 31 and a bore or passageway 33 .
1~Ca6~32~
extending along the central axis 34 of the roll lOOB, being the axis upon which the roll is wound. Roll 100B is adapted to be unwound from bore 33. The adaptation for unwinding, although not shown, includes the untethered end of the roll 100B extending into or alternatively from the bore 33 so that it may be readily gripped, for example by fingers when extended through aperture 13.
Roll lOOB prior to insertion into container lOOA, in the present instance, resembles a roll much like a well known toilet roll, having a round peripheral surface and accordingly a round bore.
As best seen in Figure 5, once roll lOOB is inserted into container lOOA, member 12 abuts the peripheral surface 32 of the roll to thereby flatten the same and accordingly deforms bore 33 into a slot-like aperture having sufficient width to permit and facilitate unwinding of the roll. In the present preferred embodiment, the roll lOOB is cross perforated in similar manner to that of a toilet roll, to assist in providing readily tearable sheets therefrom. It further includes a moistening agent and the substrate is pre-folded in any suit-able well known manner prior to being wound upon axis 34.
I~ desired, faces 30 and 31 may closely abut end members 10 and 11. Alternatively, a selected space may be pro-vided between the respective faces and end members as for example shown in Figure ~.
Container lOOA may be constructed as shown using any suitable material such as a suitable thermoplastic, end members 10 and 11, being secured to member 12 by suitable means such as bonding. Alternatively, end member 10 may comprise a press fit lid having a lip lOA. It will be readily realized end member 11 may also comprise a press fit lid or alternatively may be 682~
integrally connected with member 12.
Referring to Figure 4, end member 10 includes a spout 14 extending from the outer face lOB of end member 10 and is adapted to receive, at its outer free end, detachably securable cap lS for use in sealing the container. As will be seen, aperture 13 extends completely through spout 14. As shown, cap 15 is a press fit upon spout 14. Aperture 13 may, for example, include an extended "V" notch 13B as shown in Figure 3 for use in aiding the severing of the sheets from the roll. Notch 13B
as shown, amounts to an extension of aperture 13 and is adapted to receive and engage the web of substrate as it is pulled through aperture 13 in sideways motion. Notch 13B accordingly provides means for locking the substrate to the container to aid severing the web at the perforations. As will be realized, aperture 13 may be of any suitable design including for example ones illustrated in Figures 9 to 11 inclusive. Alternatively, dispensing apertures as disclosed and described in Canadian Patent 940,492 may be used, as discussed hereinafter Figures S, 5a and Sb illustrate, in corss-section, alternative container shapes. Although Figure 5 shows one of the most efficient shapes of container cross-section, the cross-sectional shapes of Figures 5a and 5b may for some reason, appeal more from anaesthetic point of view and are disclosed merely for this purpose. In Figure 5a, member 12 is a rectan-~ular tube and in Figure 5~ has an elliptical shaped inner wall and a multi-surfaced outer wall.
Turning now to Figures 6 and 7 which disclose further alternative embodiments of containers. Figure 6 illustrates a side elevational view of a two-piece mol~ed container 40 con-structed of thermoplastic material having a rectangular cross-section, similar to that shown in Figure 5a. Basically, the 1~6821 container, as is evident from Figure 6, comprises a pair of wedge-shaped concave pieces 41 and 42 interconnected one to another to form a box-like enclosure for roll 100~ along a joint line 43. As will be noted, the arrangement of the joint line 43 permits the container aperture which is located sub-stantially coaxially with the bore of the roll lOOB, to be fully accommodated within the relatively sloping end member face 44 of piece 41.
Figure 7 illustrates a slim rectangular shaped con-10- tainer 50, which in one instance may, if desired, be similar in size, to that of the well known cigarette pack, having an opening 51 closeable by hingedly secured flaps 52 and S3, flap 52 comprising an end member of the container. Container 50, which includes a fixed (non-hingedly) end member 50A, may be made of any suitable material including thermoplastics. After roll 100B has been inserted into container 50 as shown in Figure 7, flap 52 is then moved to close off opening 51 and accordingly retain roll lOOB in place. After flap 52 has been positively secured in its closed position using flap 52B, to-gether with, for example, a suitable bonding agent to secureit in place to the inner wall of the container, roll lOOs may be dispensed through the container aperture 52A. Flap 53 pro-vides means for sealing off aperture S2~ and includes suitable known means (not shown3 for detachablysecuring to flap 52.
Aperture 52A, it will be noted comprises a pair of slits arranged in the form of a cross. Alternatively, one slit only may be utilized. Such design of aperture is well known for example, from aforementioned Canadian Patent 940,492.
Referring in further detail to aperture 52A, the slits have slightly yielding edges to allow the edges to bend to form an opening, to provide for easy flow of the substrate 1~6821 as it is pulled from the container and to reclose said opening to avoid the substrate drying out when such has been impregnated, for example with liquid, the substrate being capable of being extracted through the slit from within the container.
As indicated previously, any containers in accordance with the present invention, including those disclosed in Figures 3, 6 and 7 may include, for example, any of the aper-tures presently disclosed and discussed. Accordingly, aperture 52A for example, could very well be used in the container of Figure 3, as for example illustrated in Figure 3a.
Claims (13)
1. In combination a rigid non-flexible walled container and a roll of substrate therein, said roll comprising a pre-folded web, cross perforated to provide tearable sheets there-from, said container comprising at least a pair of end wall members interconnected by at least one further wall member to thereby enclose said roll, and an aperture in at least one of said end wall members for use in dispensing said roll from said container, said aperture including means for use in severing said substrate, said roll including a pair of end faces and a pheripheral surface extending therebetween, said end faces being adjacent respectively said end wall members, said roll further including a bore extending between said end faces along the central axis upon which said roll is wound, the cen-tral axis of said bore being substantially coincident with the central axis of said aperture, said roll being adapted to be unwound from said bore through said aperture, said further wall abutting at least portions of said peripheral surface flattening said roll and deforming said peripheral surface and accordingly said bore such that said peripheral surface and said bore are elliptically shaped when viewed in a cross-section taken normal to the length of said bore, said cross-section being substant-ially uniform throughout the length of said bore whereby the unwinding of said roll from said bore is not inhibited, and said spacing of said cross-perforations lengthwise of said web and spacing of said end faces one to another are such that unwinding of said roll from said bore is not inhibited.
2. A combination as defined in claim 1 including means for closing said container aperture to thereby seal said con-tainer.
3. A combination as defined in claim 1 wherein the abutting surface of said further wall member is elliptical in shape when viewed in a cross-section taken through said further wall member in a direction normal to the length of said bore, said abutting surface conforming substantially to said peripheral surface of said flattened roll.
4. A combination as defined in claim 2 wherein the abutting surface of said further wall member is elliptical in shape when viewed in a cross-section taken through said further wall member in a direction normal to the length of said bore, said abutting surface conforming substantially to said peripheral surface of said flattened roll.
5. A combination as defined in claim 1 wherein the interior wall of said container is rectangular in shape when viewed in a cross-section taken through said further wall member in a direction normal to the length of said bore.
6, A combination as defined in claim 2 wherein the in-terior wall of said container is rectangular in shape when viewed in a cross-section taken through said further wall member in a direction normal to the length of said bore.
7. A combination as defined in claim 2 wherein said roll includes a moistening agent.
8. A combination as defined in claim 5 or 6 wherein said container comprises a pair of wedge shaped concave molded parts, each part including at least a portion of one of said end wall members.
9. A combination as defined in claim 5 wherein said end wall member having said container aperture therein is hingedly interconnected to said further wall member for providing access into said container for inserting said roll therein.
10. A combination as defined in claim 9 including means for closing said container aperture to thereby seal said con-tainer comprising an additional member hingedly interconnected to said further wall member.
11. A combination as defined in claims 1, 2, or 3 wherein said aperture comprises at least one slit having slightly yielding edges, to allow said edges to bend to form an opening to provide for easy flow of said substrate when being pulled from the container and to reclose said opening.
12. A combination as defined in claims 4, 5 or 6 wherein said aperture comprises at least one slit having slightly yielding edges, to allow said edges to bend to form an opening to provide for easy flow of said substrate when being pulled from the container and to reclose said opening.
13. A method of compacting a roll of pre-folded and cross perforated substrate of the type having at least a pair of end faces and a peripheral surface extending therebetween and a bore extending between said end faces along the central axis upon which the roll is wound and said roll being adapted to be unwound from said bore, comprising the steps of:
i) applying force, at least at selected points to said peripheral surface, by the use of a rigid non-flexible walled container adapted to receive said roll, to flatten said roll and deform said bore into an elliptical aperture uniformly throughout its entire length such that unwinding of the roll through said elliptical aperture is not inhibited; and ii) maintaining said force, with said container, to retain said roll in said flattened condition thereby to main-tain the compacting of said roll.
i) applying force, at least at selected points to said peripheral surface, by the use of a rigid non-flexible walled container adapted to receive said roll, to flatten said roll and deform said bore into an elliptical aperture uniformly throughout its entire length such that unwinding of the roll through said elliptical aperture is not inhibited; and ii) maintaining said force, with said container, to retain said roll in said flattened condition thereby to main-tain the compacting of said roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA320,372A CA1096821A (en) | 1979-01-26 | 1979-01-26 | Flattened roll web dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA320,372A CA1096821A (en) | 1979-01-26 | 1979-01-26 | Flattened roll web dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096821A true CA1096821A (en) | 1981-03-03 |
Family
ID=4113404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA320,372A Expired CA1096821A (en) | 1979-01-26 | 1979-01-26 | Flattened roll web dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1096821A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110473A1 (en) * | 1982-11-29 | 1984-06-13 | Unilever N.V. | Apparatus for dispensing wet wipes |
| US5894708A (en) * | 1991-09-11 | 1999-04-20 | The Procter & Gamble Company | Compressed core-wound paper product having a core opening and a process of making the same |
-
1979
- 1979-01-26 CA CA320,372A patent/CA1096821A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110473A1 (en) * | 1982-11-29 | 1984-06-13 | Unilever N.V. | Apparatus for dispensing wet wipes |
| US4784290A (en) * | 1982-11-29 | 1988-11-15 | Lever Brothers Company | Apparatus for dispensing wet wipes |
| US5894708A (en) * | 1991-09-11 | 1999-04-20 | The Procter & Gamble Company | Compressed core-wound paper product having a core opening and a process of making the same |
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