US3203551A - Filter bag - Google Patents

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Publication number
US3203551A
US3203551A US216379A US21637962A US3203551A US 3203551 A US3203551 A US 3203551A US 216379 A US216379 A US 216379A US 21637962 A US21637962 A US 21637962A US 3203551 A US3203551 A US 3203551A
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Prior art keywords
securing
bag
securing elements
securing means
elements
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Expired - Lifetime
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US216379A
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Jr Morton Van Loan
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MET CHEM Inc
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MET CHEM Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward flow filtration
    • B01D29/27—Filter bags
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/149—Emptying means; Reusable bags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • Y10T428/24017—Hook or barb

Definitions

  • This invention relates to filter bags made of textile fabric material, and more particularly to a flexible non-metallic closure means for the mout-h of the bag which renders it compatible for use with liquids in general, including, aqueous solutions containing electrolytic salts used in the electroplating industry.
  • a primary object of the present invention is to provide a bag made of textile fabric material having integral closure means made from a portion of the bag and an integral flexible non-metallic fastener, thereby avoiding all rigid types of clips.
  • the present invention contemplates a filter bag made of porous textile fabric wherein all of the closure or sealing means is nonmetallic, flexible, and is an integral part of the filter bag thereby increasing the range of use, the longevity of the bag itself, and ease of handling and storage.
  • Another object of the invention is to provide a sealing arrangement wherein several folds are utilized, thereby to insure complete and satisfactory closing of the mouth of the bag and at the same time preventing the bag from being accidentally or prematurely opened if grasped by a portion of the t-op during handling at any stage of installation, or removal.
  • FIG. l is a perspective view of the bag .as Viewed from the front with the closure means sealing the mouth ofthe bag.
  • FIG. 2 is a View similar to FIG. 1 showing the back of the bag.
  • FIG. 3 is an enlarged detail perspective view of one corner of the bag illustrating the cover portion of the sealing means raised at one end to expose the mouth of the bag.
  • FIG. 4 is an enlarged detail perspective View of the rear upper corner of the bag as shown in FIG. 2 to illustrate the locking tabs which hold the cover ap secure at the edges of the bag after it has been made ready for use.
  • FIG. 5 is a detail vertical sectional view illustrating the front and rear walls of the bag with the cover flap folded over the front wall to provide the first fold, and before the non-metallic locking means is lowered onto its counterpart as shown for example in FIG. 6.
  • FIG. 6 is a detail sectional View taken on the lines 5-6 of FIG. l.
  • FIG. 7 is a detail perspective view of a modified form of bag closure means.
  • the textile 3,2%,55l Patented Aug. 31, 1965 ICC fabric bag includes a front wall 1 and a back wall 2, connected at the sides and bottom by suitable stitching 3.
  • the back wall 2 is extended beyond the front wall 1 to provide a cover flap 4.
  • the cover ap may be an integral extension of the back wall, or alternatively, it may be a separate piece stitched thereto. In either case, the cover flap performs the function of closing the mouth M of the bag fand effecting further closing security through the medium of a first fold 5.
  • the exposed face of the flap 4, which would be the outer face when the first fold 5 is made, is provided with one part A of non-metallic bag sealing means whose counter part B is stitched or otherwise appropriately secured to the front wall 1 a suitable distance below the upper edge 1a of said wall as shown in FIG. 3.
  • This arrangement leaves space for overlapping of the flap 4 with the wall, while, at the same time, the edge 4a of the flap terminates above the upper edge of the complement-ary securing means B to provide a second fold ⁇ space 6, as clearly shown in FIGS. 3 and 5.
  • the second fold space or area 6 permits of making a second fold 7 as shown in FIG. 6 so that the non-metallic locking members A and B may be pressed together to securely and firmly close the mouth of the bag.
  • locking tabs 8 and 8 have their front faces providied with locking means A which is of the same nature as the locking means on the normally exposed face of the flap.
  • the tabs 8, 8 are carried by the flap 4 and the flap 4 constitutes a cover strip for the mouth M of the bag. That is to say, the ap 4 and the tabs 8 and 8 by reason of the fact that the stitching 9 connects the ends of the flap with the back, a cover pocket is formed over the mouth M of the bag.
  • the purpose of the tabs 8 and 8 is to secure the sealing assembly at the top of the bag against accidental or unintentional opening in the event that, if the bag is closed as shown in FIG. 1, and finger pressure is applied to the mid-portion of the ap 4, the tabs 8 and 8 will prevent the mouth of the bag being entirely opened. In other words, before the fiap 4 as shown in FIG. 1 can be separated from the front wall 1, it is necessary to first release the tabs 8 and S', thereby insuring a secure closure of the bag throughout its period of use.
  • the non-metallic holding means A and B may be of any suitable type wherein the member A, for example, is provided with a number of hook-like gripping elements which, when pressed against the matted or tufted surface B of member B, become imbedded therein so that separation takes place only upon application of force to the flap 4 after the tabs 8 and 8 have been released.
  • FIG. 7 illustrates a further type of holding means, namely a plastic zipper.
  • a plastic zipper namely a plastic zipper.
  • the non-metallic teeth 11 are carried by anges 1212 which may be stitched or otherwise appropriately secured to the front wall 1 and t-he back Wall Z at the fold 5.
  • the ends of the zipper are continued around the side edges of the fold in the same fashion as the locking tabs 8 and 8', and for the same purpose.
  • the present invention provides an all-textile fabric filter bag or the like wherein no rigid closure elements, either of hard rubber or metal, are necessary.
  • a front wall and a rear wall connected at their bottom and side edges and open at the top to provide a mouth, a cover Hap over said mouth, said ap secured at least to the rear wall at opposite side edges thereof,
  • rst securing means secured to said ap and extending outwardly beyond each of the side edges thereof providing a pair of tab members, said securing means having a plurality of non-metallic securing elements on the surface thereof,
  • said second securing means having a plurality of nonmetallic second securing elements on its surface for releasable interlocking engagement with the securing elements of said irst securing means, said second securing elements being disposed on the front and rear walls of said bag a sufficient distance below said firstmentioned securing elements to be in alignment with said first mentioned securing elements, said rst men- CFI tioncd securing elements overlapping said second securing elements when said first securing means is folded downwardly and the securing elements thereof are pressed into contact with the second securing elements of said second securing means on both the front and rear walls of the bag to provide a seal therebetween.

Description

Aug. 31, 1965 M. VAN LOAN, JR
FILTER BAG Filed Aug. 15, 1962 SECOND FOLD United States Patent O 3,203,551 FILTER BAG Morton Van Loan, Jr., 'Cleveland Heights, Ohio, assignor to Met-Chem, Inc., Cleveland Heights, hio, a corporation of Ohio Filed Aug. 13, 1962, Ser. No. 216,379 2 Claims. (Ci. 210-486) This invention relates to filter bags made of textile fabric material, and more particularly to a flexible non-metallic closure means for the mout-h of the bag which renders it compatible for use with liquids in general, including, aqueous solutions containing electrolytic salts used in the electroplating industry.
Heretofore, it has been the practice to close bags of the type described with a clip made of stainless steel or hard rubber. Closure members of this type are at times incompatible with chemical solutions and therefore, special bags have been made which are appropriate for the procedure involved.
Accordingly, a primary object of the present invention is to provide a bag made of textile fabric material having integral closure means made from a portion of the bag and an integral flexible non-metallic fastener, thereby avoiding all rigid types of clips. In other words, the present invention contemplates a filter bag made of porous textile fabric wherein all of the closure or sealing means is nonmetallic, flexible, and is an integral part of the filter bag thereby increasing the range of use, the longevity of the bag itself, and ease of handling and storage.
Another object of the invention is to provide a sealing arrangement wherein several folds are utilized, thereby to insure complete and satisfactory closing of the mouth of the bag and at the same time preventing the bag from being accidentally or prematurely opened if grasped by a portion of the t-op during handling at any stage of installation, or removal.
With the above and other objects in View which will more readily appear as the nature of the invention is better understood, the same consists in the novel construction, arrangement, and combination of parts as hereinafter more fully described, illustrated, and claimed.
A preferred and practical embodiment of the present invention is shown in the accompanying drawings, in which:
FIG. l is a perspective view of the bag .as Viewed from the front with the closure means sealing the mouth ofthe bag.
FIG. 2 is a View similar to FIG. 1 showing the back of the bag.
FIG. 3 is an enlarged detail perspective view of one corner of the bag illustrating the cover portion of the sealing means raised at one end to expose the mouth of the bag.
FIG. 4 is an enlarged detail perspective View of the rear upper corner of the bag as shown in FIG. 2 to illustrate the locking tabs which hold the cover ap secure at the edges of the bag after it has been made ready for use.
FIG. 5 is a detail vertical sectional view illustrating the front and rear walls of the bag with the cover flap folded over the front wall to provide the first fold, and before the non-metallic locking means is lowered onto its counterpart as shown for example in FIG. 6.
FIG. 6 is a detail sectional View taken on the lines 5-6 of FIG. l.
FIG. 7 is a detail perspective view of a modified form of bag closure means.
Similar reference characters designate corresponding parts throughout the several anges of the drawings.
As will be observed from FIGS. 1 and 2, the textile 3,2%,55l Patented Aug. 31, 1965 ICC fabric bag includes a front wall 1 and a back wall 2, connected at the sides and bottom by suitable stitching 3.
The back wall 2 is extended beyond the front wall 1 to provide a cover flap 4. Conveniently, as shown, the cover ap may be an integral extension of the back wall, or alternatively, it may be a separate piece stitched thereto. In either case, the cover flap performs the function of closing the mouth M of the bag fand effecting further closing security through the medium of a first fold 5.
The exposed face of the flap 4, which would be the outer face when the first fold 5 is made, is provided with one part A of non-metallic bag sealing means whose counter part B is stitched or otherwise appropriately secured to the front wall 1 a suitable distance below the upper edge 1a of said wall as shown in FIG. 3. This arrangement leaves space for overlapping of the flap 4 with the wall, while, at the same time, the edge 4a of the flap terminates above the upper edge of the complement-ary securing means B to provide a second fold `space 6, as clearly shown in FIGS. 3 and 5.
Assuming that the cover flap 4 has been placed over the upper edge of the front wall 1 as shown in FIG. 5, the second fold space or area 6 permits of making a second fold 7 as shown in FIG. 6 so that the non-metallic locking members A and B may be pressed together to securely and firmly close the mouth of the bag.
The opposite edge portions of the fiap 4 are provided with locking tabs 8 and 8. These locking tabs have their front faces providied with locking means A which is of the same nature as the locking means on the normally exposed face of the flap.
The inner ends of these tabs are stitched at 9 to the flap 4 while their opposite ends are free and intended to engage with a holding area 10 which has the same characteristics as the part B of the complementary securing means A-B.
As will be seen from FIG. l, the tabs 8, 8 are carried by the flap 4 and the flap 4 constitutes a cover strip for the mouth M of the bag. That is to say, the ap 4 and the tabs 8 and 8 by reason of the fact that the stitching 9 connects the ends of the flap with the back, a cover pocket is formed over the mouth M of the bag.
The purpose of the tabs 8 and 8 is to secure the sealing assembly at the top of the bag against accidental or unintentional opening in the event that, if the bag is closed as shown in FIG. 1, and finger pressure is applied to the mid-portion of the ap 4, the tabs 8 and 8 will prevent the mouth of the bag being entirely opened. In other words, before the fiap 4 as shown in FIG. 1 can be separated from the front wall 1, it is necessary to first release the tabs 8 and S', thereby insuring a secure closure of the bag throughout its period of use.
The non-metallic holding means A and B may be of any suitable type wherein the member A, for example, is provided with a number of hook-like gripping elements which, when pressed against the matted or tufted surface B of member B, become imbedded therein so that separation takes place only upon application of force to the flap 4 after the tabs 8 and 8 have been released.
FIG. 7 illustrates a further type of holding means, namely a plastic zipper. Referring to this figure it will be seen that the non-metallic teeth 11 are carried by anges 1212 which may be stitched or otherwise appropriately secured to the front wall 1 and t-he back Wall Z at the fold 5. Although not shown, the ends of the zipper are continued around the side edges of the fold in the same fashion as the locking tabs 8 and 8', and for the same purpose.
From the foregoing, it will now be seen that the present invention provides an all-textile fabric filter bag or the like wherein no rigid closure elements, either of hard rubber or metal, are necessary.
3 I claim: 1. In a fabric lter bag structure, the combination comprising,
a front wall and a rear wall connected at their bottom and side edges and open at the top to provide a mouth, a cover Hap over said mouth, said ap secured at least to the rear wall at opposite side edges thereof,
rst securing means secured to said ap and extending outwardly beyond each of the side edges thereof providing a pair of tab members, said securing means having a plurality of non-metallic securing elements on the surface thereof,
second securing means secured to the outer surface of the front and rear walls of said bag elow and spaced from the rst securing means,
said second securing means having a plurality of nonmetallic second securing elements on its surface for releasable interlocking engagement with the securing elements of said irst securing means, said second securing elements being disposed on the front and rear walls of said bag a sufficient distance below said firstmentioned securing elements to be in alignment with said first mentioned securing elements, said rst men- CFI tioncd securing elements overlapping said second securing elements when said first securing means is folded downwardly and the securing elements thereof are pressed into contact with the second securing elements of said second securing means on both the front and rear walls of the bag to provide a seal therebetween.
2. The lter bag structure of claim 1, wherein the securing elements of one of the securing means comprise a plurality of hook-like members and the securing elements of the other securing means comprise a plurality of loops.
References Cited by the Examiner UNITED STATES PATENTS 1,743,509 1/30 Zauner 150--7 2,093,345 9/37 WeSOlOWski 150-3 2,274,934 3/42 Piazze 150-7 X 2,976,914 3/61 Miller.
3,089,231 5/63 Soave et al.
REUBEN FRIEDMAN, Primary Examiner.
HERBERT L. MARTIN, Examiner.

Claims (1)

1. IN A FABRIC FILTER BAG STRUCTURE, THE COMBINATION COMPRISING, A FRONT WALL AND A REAR WALL CONNECTED AT THEIR BOTTOM AND SIDE EDGES AND OPEN AT THE TOP TO PROVIDE A MOUTH, A COVER FLAP OVER SAID MOUTH, SAID FLAP SECURED AT LEAST TO THE REAR WALL AT OPPOSITE SIDE EDGES THEREOF, FIRST SECURING MEANS SECURED TO SAID FLAP AND EXTENDING OUTWARDLY BEYOND EACH OF THE SIDE EDGES THEREOF PROVIDING A PAIR OF TAB MEMBERS, SAID SECURING MEANS HAVING A PLURALITY OF NON-METALLIC SECURING ELEMENTS ON THE SURFACE THEREOF, SECOND SECURING MEANS SECURED TO THE OUTER SURFACE OF THE FRONT AND REAR WALLS OF SAID BAG BELOW AND SPACED FROM THE FIRST SECURING MEANS, SAID SECOND SECURING MEANS HAVING A PLURALITY OF NONMETALLIC SECOND SECURING ELEMENTS ON ITS SURFACE FOR RELEASABLE INTERLOCKING ENGAGEMENT WITH THE SECURING ELEMENTS OF SAID FIRST SECURING MEANS, SAID SECOND SECURING ELEMENTS BEING DISPOSED ON THE FRONT SAID REAR WALLS OF SAID BAG A SUFFICIENT DISTANCE BELOW SAID FIRSTMENTIONED SECURING ELEMENTS TO BE IN ALIGNMENT WITH SAID FIRST MENTIONED SECURING ELEMENTS, SAID FIRST MEMTIONED SECURING ELEMENTS OVERLAPPING SAID SECOND SECURING ELEMENTS WHEN SAID FIRST SECURING MEANS IS FOLDED DOWNWARDLY AND THE SECURING ELEMENTS THEREOF ARE PRESSED INTO CONTACT WITH THE SECOND SECURING ELEMENTS OF SAID SECOND SECURING MEANS ON BOTH THE FRONT AND REAR WALLS OF THE BAG TO PROVIDE A SEAL THEREBETWEEN.
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Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318632A (en) * 1965-09-28 1967-05-09 Struble Albert Head rest cover
US3452520A (en) * 1967-05-25 1969-07-01 Studley Paper Co Vacuum cleaner filter bags
US3557853A (en) * 1969-05-01 1971-01-26 Mary Henning Jones Sanitary napkin holder
US3593340A (en) * 1969-08-29 1971-07-20 Gerald Lee Powell Protection pads
US3755993A (en) * 1971-07-22 1973-09-04 P Cote Disposable, vacuum cleaner bag
US3851689A (en) * 1973-09-13 1974-12-03 R Kohls Foldable ski cover
US3854239A (en) * 1974-03-25 1974-12-17 B Williams Attachment structure for puppet, manipulator combination
US3948302A (en) * 1973-09-13 1976-04-06 Kohls Richard S Foldable ski cover
US3963199A (en) * 1973-05-21 1976-06-15 Etudes Et Fabrications Aeronautiques Closing device for a parachute pack
US3977451A (en) * 1974-11-20 1976-08-31 Duba Eugene B Golf bag hood rain cover
US4079767A (en) * 1976-06-22 1978-03-21 Howard Langhorne M Bag construction
US4116253A (en) * 1977-08-01 1978-09-26 Benjamin Watsky Snatch proof handle for pocketbooks, handbags and the like
US4157252A (en) * 1976-11-10 1979-06-05 Baird Thomas E Device for forming demonstration cleaning-test bags and for attaching the same to vacuum cleaners
US4311493A (en) * 1977-12-05 1982-01-19 National Union Electric Corporation Vacuum cleaner bag assembly
US4403991A (en) * 1977-11-14 1983-09-13 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4421150A (en) * 1981-07-13 1983-12-20 Masters William E Waterproof bag device for articles
US4465486A (en) * 1977-12-27 1984-08-14 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4578814A (en) * 1984-02-01 1986-03-25 Thermal Bags By Ingrid, Inc. Thermally insulated food bag
US4618420A (en) * 1984-11-05 1986-10-21 Alopex Industries, Inc. Filter bag for pool cleaners
US4736450A (en) * 1985-11-20 1988-04-05 Minigrip, Inc. Gusseted bags with reclosure features
US4755177A (en) * 1977-12-27 1988-07-05 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4802233A (en) * 1984-02-01 1989-01-31 Thermal Bags By Ingrid, Inc. Thermally insulated food bag
US4802900A (en) * 1987-03-12 1989-02-07 Ball Keith R Laboratory animal carrier filter bag
US4840611A (en) * 1985-11-20 1989-06-20 Minigrip, Inc. Gusseted bags with reclosure features
US5996799A (en) * 1998-01-22 1999-12-07 Exakt Technologies, Inc. Shipping container and method
US6007594A (en) * 1998-10-05 1999-12-28 Kaczor; Daniel A. Multiple use disposable vacuum cleaner bag
US6146016A (en) * 1999-05-28 2000-11-14 Michael A. Mucci Handle closure system
US6267506B1 (en) 1999-02-26 2001-07-31 Chris Campion Fold-top closure and method therefor
WO2002028261A1 (en) * 2000-09-29 2002-04-11 Oreck Holdings, Llc Bag assembly for a vacuum cleaner
US6443617B2 (en) * 2000-01-18 2002-09-03 Windmoeller & Hoelscher Resealable sack or bag
US20030019780A1 (en) * 2001-07-23 2003-01-30 Parodi Gustavo Jose Camargo Easy opening, re-closeable bag
US20040008908A1 (en) * 2000-10-13 2004-01-15 Shepard William H. Roll top bag constructions
US6776528B2 (en) * 2001-02-28 2004-08-17 David V. Wills Plastic bag suspension device
WO2004058584A3 (en) * 2002-12-16 2004-08-26 Velcro Ind Attachable bags
US20040167456A1 (en) * 2002-12-16 2004-08-26 Kingsford Howard A. Medical wraps
US20050029177A1 (en) * 2003-08-04 2005-02-10 Peterson David J. Pool cleaner filter bag with zipper closure
US20050247201A1 (en) * 2004-03-19 2005-11-10 Arno Michael J Disposable cartridge for air/gas dryer
US20110069909A1 (en) * 2009-09-24 2011-03-24 P.I. Inc. Dry Bag Harness System
US20130026170A1 (en) * 2011-07-28 2013-01-31 Paul Anthony Zerfas Reclosable packaging using a low-tack adhesive fastener
US20140027364A1 (en) * 2012-07-26 2014-01-30 Joel Vale Internal Magnetic Filter for Hydraulic Systems
US20160318666A1 (en) * 2013-12-12 2016-11-03 Printpack Illinois, Inc. Reclose Concept of Roll & Close for Pillow & Side Gusset Bags

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US1743509A (en) * 1927-07-05 1930-01-14 Jules Maes Bag fastener
US2093345A (en) * 1936-06-10 1937-09-14 Wenceslaus S Wesolowski Waterproof cigarette pouch
US2274934A (en) * 1938-04-01 1942-03-03 Marshall & Ilsley Bank Bag structure
US2976914A (en) * 1959-05-06 1961-03-28 Daniels C R Inc Floor cushions for airplane use and the like
US3089231A (en) * 1960-12-30 1963-05-14 Waldes Kohinoor Inc Slide fastener manufacture

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Publication number Priority date Publication date Assignee Title
US1743509A (en) * 1927-07-05 1930-01-14 Jules Maes Bag fastener
US2093345A (en) * 1936-06-10 1937-09-14 Wenceslaus S Wesolowski Waterproof cigarette pouch
US2274934A (en) * 1938-04-01 1942-03-03 Marshall & Ilsley Bank Bag structure
US2976914A (en) * 1959-05-06 1961-03-28 Daniels C R Inc Floor cushions for airplane use and the like
US3089231A (en) * 1960-12-30 1963-05-14 Waldes Kohinoor Inc Slide fastener manufacture

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318632A (en) * 1965-09-28 1967-05-09 Struble Albert Head rest cover
US3452520A (en) * 1967-05-25 1969-07-01 Studley Paper Co Vacuum cleaner filter bags
US3557853A (en) * 1969-05-01 1971-01-26 Mary Henning Jones Sanitary napkin holder
US3593340A (en) * 1969-08-29 1971-07-20 Gerald Lee Powell Protection pads
US3755993A (en) * 1971-07-22 1973-09-04 P Cote Disposable, vacuum cleaner bag
US3963199A (en) * 1973-05-21 1976-06-15 Etudes Et Fabrications Aeronautiques Closing device for a parachute pack
US3851689A (en) * 1973-09-13 1974-12-03 R Kohls Foldable ski cover
US3948302A (en) * 1973-09-13 1976-04-06 Kohls Richard S Foldable ski cover
US3854239A (en) * 1974-03-25 1974-12-17 B Williams Attachment structure for puppet, manipulator combination
US3977451A (en) * 1974-11-20 1976-08-31 Duba Eugene B Golf bag hood rain cover
US4079767A (en) * 1976-06-22 1978-03-21 Howard Langhorne M Bag construction
US4157252A (en) * 1976-11-10 1979-06-05 Baird Thomas E Device for forming demonstration cleaning-test bags and for attaching the same to vacuum cleaners
US4116253A (en) * 1977-08-01 1978-09-26 Benjamin Watsky Snatch proof handle for pocketbooks, handbags and the like
US4403991A (en) * 1977-11-14 1983-09-13 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4311493A (en) * 1977-12-05 1982-01-19 National Union Electric Corporation Vacuum cleaner bag assembly
US4755177A (en) * 1977-12-27 1988-07-05 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4465486A (en) * 1977-12-27 1984-08-14 E. R. Squibb & Sons, Inc. Closures for open ended ostomy pouch
US4421150A (en) * 1981-07-13 1983-12-20 Masters William E Waterproof bag device for articles
US4802233A (en) * 1984-02-01 1989-01-31 Thermal Bags By Ingrid, Inc. Thermally insulated food bag
US4578814A (en) * 1984-02-01 1986-03-25 Thermal Bags By Ingrid, Inc. Thermally insulated food bag
US4618420A (en) * 1984-11-05 1986-10-21 Alopex Industries, Inc. Filter bag for pool cleaners
US4736450A (en) * 1985-11-20 1988-04-05 Minigrip, Inc. Gusseted bags with reclosure features
US4840611A (en) * 1985-11-20 1989-06-20 Minigrip, Inc. Gusseted bags with reclosure features
US4802900A (en) * 1987-03-12 1989-02-07 Ball Keith R Laboratory animal carrier filter bag
US5996799A (en) * 1998-01-22 1999-12-07 Exakt Technologies, Inc. Shipping container and method
US6007594A (en) * 1998-10-05 1999-12-28 Kaczor; Daniel A. Multiple use disposable vacuum cleaner bag
US6267506B1 (en) 1999-02-26 2001-07-31 Chris Campion Fold-top closure and method therefor
US6146016A (en) * 1999-05-28 2000-11-14 Michael A. Mucci Handle closure system
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