US3633642A - Bag of plastics material sheeting - Google Patents

Bag of plastics material sheeting Download PDF

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Publication number
US3633642A
US3633642A US871911A US3633642DA US3633642A US 3633642 A US3633642 A US 3633642A US 871911 A US871911 A US 871911A US 3633642D A US3633642D A US 3633642DA US 3633642 A US3633642 A US 3633642A
Authority
US
United States
Prior art keywords
bag
fastener
hook
plastics material
interengaging
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 - Lifetime
Application number
US871911A
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English (en)
Inventor
Karlheinz Siegel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minigrip Inc
Original Assignee
Individual
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Publication date
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Publication of US3633642A publication Critical patent/US3633642A/en
Assigned to MINIGRIP, INC., A CORP OF NY reassignment MINIGRIP, INC., A CORP OF NY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ASF GLEIRERSCHULSS G.M.G.H., KARL-HEINZ SIEGEL
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/16—Interlocking member having uniform section throughout the length of the stringer

Definitions

  • the fastener elements have the same profile PATENIEB JAN] 1 m2 I I I I I f KARLHEINZ SIEGEL INVENTOR ATTORNEYS BAG F PLASTICS MATERIAL SHEETING
  • This invention relates to a bag which is made of plastics material sheeting and which comprises two opposed bag walls, which are sealed together at the side edges and at the bottom, and two fastener elements, which are respectively inside thereof and spaced from the free end thereof.
  • a one-piece bag of plastics material which is intended for packaging purposes and provided with a fastener consisting of profiled ribs.
  • the profiled ribs are disposed opposite to each other in the interior of the bag and are caused to interengage when it is desired to close the bag.
  • the profiled fastener rib provided on one bag wall has an enlarged outer edge portion and the other fastener rib has a groove which is complementary to said enlarged edge portion.
  • the enlarged outer edge portion has the cross-sectional shape of an unsymmetrical arrow, which has an outwardly directed lateral projection that is shorter and/or less inclined toward the associated bag wall than the other lateral projection, which faces the bottom of the bag, and the sidewalls of the groove have the form of inwardly directed hooks having undercut hook surfaces which correspond in their length and inclination to the length and inclination of the projections of the arrows (printed German application No. 1,278,930).
  • Such bag of plastics material can be opened from the outside by a smaller force than from the inside. It has been found that such bags can be opened inadvertently when they are subjected to bending and flexing actions.
  • Another disadvantage of that known bag of plastics material resides in that it is difficult to close the fastener becausethe bag walls have outwardly curved reinforcements at the base of the unsymmetrical arrow and of the groove so that a tilting effect is produced when the flat bag is placed on a support.
  • a flexible packaging means of plastics material which means consists of a tube section made of thermoplastics material and formed with transverse heatsealed seams and is provided on the inside with two longitudinally extending, profiled ribs, which can be hooked one onto the other under pressure.
  • One of said profiled ribs consists of a one-sided hook, which is directed toward the interior of the bag.
  • the other profiled rib consists of two webs, which are normal to the inside surface of the packaging means and disposed on both sides of the hook of the opposite profiled rib. That one of said webs which is disposed on the outside of the closure is arranged to back the rear surface of the hook.
  • the web disposed on the inside of the closure consists .of a onesided hook. This fastener can even more easily be openedinadvertently.
  • a bag which consists of plastics material and is provided with a fastener and designed in view of the psychology of the user.
  • the user tends to be sceptical to a fastener which can easily be opened from the outside because he fears that such fastener will present an insufficient resistance to a force which acts from the interior of the bag.
  • a bag which is of the kind defined first hereinbefore and provided with a fastener which presents the same resistance to a force acting from the outside in the opening sense as to such force acting from the inside and the elements of which are so firmly connected that they cannot be opened inadvertently.
  • the invention provides a bag of the kind defined first hereinbefore in which the fastener consists of two-interengaging hollow ribs, which have outside wall portions that do not contact each other and constitute webs for backing the interengaging other wall portions ofthe hollow ribs, which interengaging other wall portions consist of one sided undercut hooks, and in which the fastener elements have the same profile.
  • the fastener To facilitate a desired opening of of the bag provided with a fastener, it is also proposed according to the invention to provide the fastener with tear tabs, which are thicker than the bag wall.
  • the relatively thick tear tabs result in a lever action, which lifts the outer backing web from the hook engaged thereby so that the fastener can be relatively easily opened. Because this lever action is not produced by unintended forces acting from the inside or outside in an opening sense, the hooks will be retained in this case by the backing webs so that the fastener cannot be opened inadvertently.
  • the fastener has rear surfaces which are flat and parallel to each other.
  • This design solves a problem which, by experience, has always resulted in difficulties when the known fasteners were to be closed.
  • the known fastener profiles result in a tilting action due to the thin web to which they are attached. This tilting action may be directed to one side orto either side and appears undesirable to the user when he actuates the fastener.
  • pressure must be applied to the profiles in any case when they are to be closed and a large number of average users do not try to close fasteners of that kind by wiping along the same from the end, this action always involves difficulties.
  • the bag consists of a tube, the smaller one of the tube sections which are separated by the fastener is cut off and a top slider is carried by the fastener.
  • a slideroperated fastener can be manufactured at a lower cost than a fastener made from flat sheeting.
  • the slider is positively guided by the fastener according to the invention because the flat and parallel rear surfaces of said fastener prevent a tilting of the slider.
  • Such bag can be manufactured at low cost because the smaller tube section otherwise forming tear tabs can easily be cut off during the manufacturing process.
  • FIG. 1 is a fragmentary sectional view showing the top portion ofa bag according to the invention
  • FlG. 2 is a similar view showing the bag during the opening of the fastener
  • FIG. 3 is a similar view showing a fastener according to the invention provided with a top slider
  • FIG. 4' shows the device for severing the the tear tabs.
  • the .bag is made from a seamless tubing 1 of plastics material sheeting.
  • the halves 2, 3 of a fastener have been made integrally with the tubing 1 during the extruding and/or blow molding thereof.
  • the bag walls 4, 5 are sealed together at the side edges and at the bottom.
  • the fastener consists of two-interengaging hollow ribs 6, 7. Those outside wall portions 8, 9 of the hollow ribs which do not contact each other consist of backing webs. The interengaging other wall portion 10, 11 of the hollow ribs consist of one-sided, undercut hooks. As is readily apparent from FlG. 1, the parts 2, 3 ofthe fastener have the same profile.
  • the fastener 2,- 3 has rear surfaces 12, 13 which are flat and parallel. On that side which faces away from the bag, the fastener is provided with tear tabs 14, 15, which are thicker tan the bag walls 4, 5.
  • the fastener presents a particularly reliable resistance to forces which could inadvertently open the fastener, whether such forces act on the fastener from the inside or from the outside. This is'due to thefact that any force which is acting will force the web 9 or the web 8 even more firmly against the rear face ofthehook 10 or 11 which is backed by such web, a slight tilting action being effective within the fastener so that the fulcrum 16 or 17 becomes effective.
  • FIG. 3 shows a bag which is similar to that which has been explained with reference to FIGS. 1 arid 2.
  • the special feature of this embodiment resides in that a top slider 21 straddles the fastener. It is thus apparent that the bag according to the invention may be provided with a pressure-operated fastener or with a slider-operated fastener.
  • FIG. 4 shows the device by which the smaller tube section 22 defined by the fastener 2, 3 is cut off to enable a mounting of the top slider.
  • the device consists of a pressure roller 23 of steel and of a hardened and knurled or milled cutter disc 24.
  • a bag which is made of plastics material sheeting and which comprises two opposed bag walls sealed together at the side edges and bottom thereof and two fastener elements respectively integral with said bag walls disposed on the inside thereof and spaced from the free end thereof, each fastener element including the same configuration of spaced hook means and fulcrum means, each said hook means including a single hook, each said single hook locking with each other between each said fulcrum means and adjacent said fulcrum means of the opposing fastener element when the bag is closed, and said fulcrum means of at least one of the fastener elements physically pressing against said single hook of the opposing fastener element preventing opening of the bag whenever the contents of the bag push the bag walls outward.
  • each fastener element has tear tabs which are thicker than said bag walls.
  • a bag according to claim 1 characterized in that the fastener elements have rear surfaces which are flat and parallel.
  • a bag according to claim 3 characterized in that it is made from tubing and including a top slider mounted adjacent said rear surfaces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
US871911A 1968-11-08 1969-10-28 Bag of plastics material sheeting Expired - Lifetime US3633642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE6806118U DE6806118U (de) 1968-11-08 1968-11-08 Aus einer kunststoffolie gebildeter beutel

Publications (1)

Publication Number Publication Date
US3633642A true US3633642A (en) 1972-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
US871911A Expired - Lifetime US3633642A (en) 1968-11-08 1969-10-28 Bag of plastics material sheeting

Country Status (8)

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US (1) US3633642A (xx)
AT (1) AT311243B (xx)
BE (1) BE741415A (xx)
CH (1) CH504358A (xx)
DE (1) DE6806118U (xx)
FR (1) FR2022866B1 (xx)
GB (1) GB1280333A (xx)
NL (1) NL6916557A (xx)

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312186A1 (de) * 1982-04-16 1983-10-20 Minigrip Europe Gmbh, 7000 Stuttgart Folienbeutel mit komplementaeren verschlussstreifen
US4479244A (en) * 1982-09-30 1984-10-23 Steven Ausnit Easy opening bag
US4561109A (en) * 1982-10-12 1985-12-24 Mobil Oil Corporation Plastic bags with releasable closure which resists opening from inside
US4561108A (en) * 1983-12-30 1985-12-24 Union Carbide Corporation Interlocking closure bag for use in high temperature environment
US4578813A (en) * 1984-06-11 1986-03-25 Minigrip Incorporated Bag and reclosable separable fastener assembly providing both closing alignment facility and differential separation resistance
US4660259A (en) * 1986-08-01 1987-04-28 Minigrip, Inc. Twist resistant reclosable extruded plastic fastener
US4736451A (en) * 1986-12-22 1988-04-05 Minigrip, Inc. Extruded zipper having combination stabilizing and differential opening means
US4767220A (en) * 1983-12-30 1988-08-30 First Brands Corporation Interlocking closure bar for use in high temperature environment
US4875259A (en) * 1986-09-08 1989-10-24 Minnesota Mining And Manufacturing Company Intermeshable article
US4922588A (en) * 1983-12-30 1990-05-08 First Brands Corporation Single hinge interlocking closure profile configuration
EP0398732A2 (en) * 1989-05-19 1990-11-22 Reynolds Consumer Products, Inc. Reclosable profile having improved closure members
USRE33674E (en) * 1969-12-05 1991-08-27 Minigrip, Inc. Openable bag
US5088164A (en) * 1986-09-08 1992-02-18 Minnesota Mining And Manufacturing Company Container with intermeshable closure members
US5113555A (en) * 1986-09-08 1992-05-19 Minnesota Mining And Manufacturing Company Container with intermeshable closure members
US5139142A (en) * 1990-12-11 1992-08-18 Dexterity, Inc. Disposable toothbrush cover
US5140796A (en) * 1991-11-04 1992-08-25 Pope William K Closure tool for resealable bags
US5201101A (en) * 1992-04-28 1993-04-13 Minnesota Mining And Manufacturing Company Method of attaching articles and a pair of articles fastened by the method
US5360270A (en) * 1992-04-28 1994-11-01 Minnesota Mining And Manufacturing Company Reusable security enclosure
US5634245A (en) * 1995-07-14 1997-06-03 Minnesota Mining And Manufacturing Company Structured surface fastener
US5657516A (en) * 1995-10-12 1997-08-19 Minnesota Mining And Manufacturing Company Dual structured fastener elements
US5911508A (en) * 1997-11-10 1999-06-15 Dobreski; David V. Vented reclosable bag
US5964532A (en) * 1996-08-07 1999-10-12 Tenneco Packaging Inc. Reclosable fastener strip with tamper evident feature
US6030122A (en) * 1998-03-06 2000-02-29 Illinois Tool Works Inc. Pinch-grip zipper
US6032831A (en) * 1998-07-17 2000-03-07 Came1Bak Products, Inc. Personal hydration system with an improved mouthpiece
US6071011A (en) * 1999-08-12 2000-06-06 Tenneco Packaging, Inc. Fill-through-the-top package
US6088998A (en) * 1998-07-13 2000-07-18 Illinois Tool Works Inc. High compression transverse zipper system
US6131369A (en) * 1998-10-22 2000-10-17 Illinois Tool Works Inc. Method of applying slider to package having reclosable zipper
US6286999B1 (en) 1999-05-11 2001-09-11 Pactiv Corporation Tamper-evident reclosable bag
US6293701B1 (en) * 1998-11-18 2001-09-25 Mladomir Tomic Resealable closure mechanism having slider device and methods
JP2002529178A (ja) * 1998-11-18 2002-09-10 レイノルズ コンシューマー プロダクツ，インコーポレイテッド スライダー装置を有する再封止可能な閉鎖機構および方法
US6461042B1 (en) 2000-05-01 2002-10-08 Reynolds Consumer Products, Inc. Resealable closure mechanism having a slider device
US20020154837A1 (en) * 1998-04-20 2002-10-24 Illinois Tool Works Inc. Process and apparatus for forming packaging bags with a fastener
US6499878B1 (en) 1999-12-21 2002-12-31 Pactiv Corporation Reclosable packages with barrier properties
US6550965B2 (en) 1999-08-27 2003-04-22 Aeroquip Corporation Reclosable plastic bag and method for forming
US6609827B2 (en) * 1998-06-17 2003-08-26 Illinois Tool Works, Inc. Bag having slider-actuated complementary closure strips and a leakproofing structure
US6611996B2 (en) 2001-07-02 2003-09-02 Pactiv Corporation Slider for reclosable fastener
US20030198407A1 (en) * 2002-03-20 2003-10-23 Rehwinkel Gary E. Reclosable bags with tamper evident features and methods of mking the same
US20030210837A1 (en) * 2002-05-10 2003-11-13 Bischof + Klein Gmbh & Co. Kg Reclosable Packaging Container
US6713152B2 (en) 2001-09-07 2004-03-30 Pactiv Corporation Fins and profiles for plastic bags
US20040101214A1 (en) * 2002-11-19 2004-05-27 Eli Feder Resealable attachable patch
US20050025396A1 (en) * 2003-07-30 2005-02-03 Erkenbrack Kenneth Beresford Atmospheric and/or differential pressure closure for an evacuable storage container
US20050207679A1 (en) * 2004-03-19 2005-09-22 Armstrong Stephen G Reclosable bag
US20060177157A1 (en) * 2000-08-29 2006-08-10 Buchanan Jerry E Container for housing product and method for making same
US7159282B2 (en) 2002-03-01 2007-01-09 Pactiv Corporation Reclosable fasteners or zippers for use with polymeric bags
US20080226203A1 (en) * 2007-03-16 2008-09-18 Dais Brian C Pouch and airtight resealable closure mechanism therefor
US20080310773A1 (en) * 2007-06-15 2008-12-18 Dais Brian C Airtight closure mechanism for a reclosable pouch
US20080310774A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Pouch with a valve
US20080310770A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Valve for a recloseable container
US20080310776A1 (en) * 2007-06-15 2008-12-18 Turvey Robert R Flow channels for a pouch
US20100209020A1 (en) * 2009-02-17 2010-08-19 William Delasalle Closure assembly for packaging bags
US7886412B2 (en) 2007-03-16 2011-02-15 S.C. Johnson Home Storage, Inc. Pouch and airtight resealable closure mechanism therefor
US7946766B2 (en) 2007-06-15 2011-05-24 S.C. Johnson & Son, Inc. Offset closure mechanism for a reclosable pouch
US20130291350A1 (en) * 2012-05-04 2013-11-07 Illinois Tool Works Inc. Burst zipper
WO2019102430A1 (en) * 2017-11-27 2019-05-31 3M Innovative Properties Company Fastening system with rail segments and bending posts

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773679B1 (fr) * 1998-01-16 2000-04-07 Flexico France Sarl Sachet comprenant des profiles de fermeture complementaires actionnes par curseur, ainsi que procede, machine et film pour sa production
CN110330901B (zh) * 2019-07-15 2021-12-14 黄山市信德成胶业有限公司 一种粘结强度高的eva热熔胶

Citations (4)

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US2144755A (en) * 1937-01-11 1939-01-24 Eugene L Alexander Closure device
US3054434A (en) * 1960-05-02 1962-09-18 Ausnit Bag closure
US3173184A (en) * 1962-09-21 1965-03-16 Ausnit Steven Shaped head top closure
US3198228A (en) * 1961-11-27 1965-08-03 Seisan Nipponsha Kk Integral reclosable bag

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE567093A (xx) *

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144755A (en) * 1937-01-11 1939-01-24 Eugene L Alexander Closure device
US3054434A (en) * 1960-05-02 1962-09-18 Ausnit Bag closure
US3198228A (en) * 1961-11-27 1965-08-03 Seisan Nipponsha Kk Integral reclosable bag
US3173184A (en) * 1962-09-21 1965-03-16 Ausnit Steven Shaped head top closure

Cited By (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE33674E (en) * 1969-12-05 1991-08-27 Minigrip, Inc. Openable bag
US4601694A (en) * 1982-04-16 1986-07-22 Minigrip, Inc. Thin wall reclosable bag material and method of making same
DE3312186A1 (de) * 1982-04-16 1983-10-20 Minigrip Europe Gmbh, 7000 Stuttgart Folienbeutel mit komplementaeren verschlussstreifen
US4479244A (en) * 1982-09-30 1984-10-23 Steven Ausnit Easy opening bag
US4561109A (en) * 1982-10-12 1985-12-24 Mobil Oil Corporation Plastic bags with releasable closure which resists opening from inside
US4767220A (en) * 1983-12-30 1988-08-30 First Brands Corporation Interlocking closure bar for use in high temperature environment
US4561108A (en) * 1983-12-30 1985-12-24 Union Carbide Corporation Interlocking closure bag for use in high temperature environment
US4922588A (en) * 1983-12-30 1990-05-08 First Brands Corporation Single hinge interlocking closure profile configuration
US4578813A (en) * 1984-06-11 1986-03-25 Minigrip Incorporated Bag and reclosable separable fastener assembly providing both closing alignment facility and differential separation resistance
DE3716228A1 (de) * 1986-08-01 1988-02-18 Asf Verwaltungs Gmbh Verdrehungssicherer, wiederholt schliessbarer verschluss aus extrudiertem kunststoff
US4660259A (en) * 1986-08-01 1987-04-28 Minigrip, Inc. Twist resistant reclosable extruded plastic fastener
US5088164A (en) * 1986-09-08 1992-02-18 Minnesota Mining And Manufacturing Company Container with intermeshable closure members
US4875259A (en) * 1986-09-08 1989-10-24 Minnesota Mining And Manufacturing Company Intermeshable article
US5113555A (en) * 1986-09-08 1992-05-19 Minnesota Mining And Manufacturing Company Container with intermeshable closure members
US4736451A (en) * 1986-12-22 1988-04-05 Minigrip, Inc. Extruded zipper having combination stabilizing and differential opening means
EP0398732B1 (en) * 1989-05-19 1994-08-24 Reynolds Consumer Products, Inc. Reclosable profile having improved closure members
JP2868582B2 (ja) 1989-05-19 1999-03-10 レイノルズ コンシューマー プロダクツ インコーポレーテッド 開閉可能なパッケージに使用するための輪郭ストリップ
US5017021A (en) * 1989-05-19 1991-05-21 Reynolds Consumer Products, Inc. Reclosable profile having improved closure members
EP0398732A2 (en) * 1989-05-19 1990-11-22 Reynolds Consumer Products, Inc. Reclosable profile having improved closure members
US5139142A (en) * 1990-12-11 1992-08-18 Dexterity, Inc. Disposable toothbrush cover
US5140796A (en) * 1991-11-04 1992-08-25 Pope William K Closure tool for resealable bags
US5201101A (en) * 1992-04-28 1993-04-13 Minnesota Mining And Manufacturing Company Method of attaching articles and a pair of articles fastened by the method
US5360270A (en) * 1992-04-28 1994-11-01 Minnesota Mining And Manufacturing Company Reusable security enclosure
US5634245A (en) * 1995-07-14 1997-06-03 Minnesota Mining And Manufacturing Company Structured surface fastener
US5657516A (en) * 1995-10-12 1997-08-19 Minnesota Mining And Manufacturing Company Dual structured fastener elements
US5964532A (en) * 1996-08-07 1999-10-12 Tenneco Packaging Inc. Reclosable fastener strip with tamper evident feature
US5911508A (en) * 1997-11-10 1999-06-15 Dobreski; David V. Vented reclosable bag
US6010244A (en) * 1997-11-10 2000-01-04 Tenneco Packaging Inc. Vented reclosable bag
US6030122A (en) * 1998-03-06 2000-02-29 Illinois Tool Works Inc. Pinch-grip zipper
US20020154837A1 (en) * 1998-04-20 2002-10-24 Illinois Tool Works Inc. Process and apparatus for forming packaging bags with a fastener
US6632021B2 (en) * 1998-06-17 2003-10-14 Illinois Tool Works Inc. Bag having slider-actuated complementary closure strips and a leakproofing structure
US6733178B2 (en) * 1998-06-17 2004-05-11 Flexico-France Bag having cursor-actuated complementary closure strips
US7140772B2 (en) * 1998-06-17 2006-11-28 S2F Flexico Bag having slider-actuated complimentary closure strips and a leakproofing structure
US6902321B2 (en) * 1998-06-17 2005-06-07 S2F Flexico Bag having cursor-actuated complementary closure strips with additional leakproofing structure
US6761481B1 (en) * 1998-06-17 2004-07-13 Flexico-France Bag comprising matching closing sections actuated by a slider
US6755569B2 (en) * 1998-06-17 2004-06-29 Flexico-France Bag having cursor-actuated complementary closure strips with additional leakproofing structure
US7517150B2 (en) * 1998-06-17 2009-04-14 S2F Flexico Bag having cursor-actuated complementary closure strips
US6609827B2 (en) * 1998-06-17 2003-08-26 Illinois Tool Works, Inc. Bag having slider-actuated complementary closure strips and a leakproofing structure
US6088998A (en) * 1998-07-13 2000-07-18 Illinois Tool Works Inc. High compression transverse zipper system
US6070767A (en) * 1998-07-17 2000-06-06 Camelbak Products, Inc. Personal hydration system with an improved mouthpiece
US6032831A (en) * 1998-07-17 2000-03-07 Came1Bak Products, Inc. Personal hydration system with an improved mouthpiece
US6364168B1 (en) 1998-07-17 2002-04-02 Camelbak Products, Inc. Personal hydration system with an improved mouthpiece
US6131369A (en) * 1998-10-22 2000-10-17 Illinois Tool Works Inc. Method of applying slider to package having reclosable zipper
JP2002529178A (ja) * 1998-11-18 2002-09-10 レイノルズ コンシューマー プロダクツ，インコーポレイテッド スライダー装置を有する再封止可能な閉鎖機構および方法
US6293701B1 (en) * 1998-11-18 2001-09-25 Mladomir Tomic Resealable closure mechanism having slider device and methods
US20060133700A1 (en) * 1999-05-11 2006-06-22 Cappel Craig E Tamper-evident reclosable bag
US6712509B2 (en) 1999-05-11 2004-03-30 Pactiv Corporation Reclosable bag having tamper-evident member attached to body panels along a line of weakness located below the rib and groove profiles of the bag zipper
US6575625B2 (en) 1999-05-11 2003-06-10 Pactiv Corporation Reclosable bags having a removable member encapsulating a slider
US6439770B2 (en) 1999-05-11 2002-08-27 Pactiv Corporation Reclosable bags having a tamper-evident retaining member extending through a slider
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Also Published As

Publication number Publication date
GB1280333A (en) 1972-07-05
BE741415A (xx) 1970-04-16
AT311243B (de) 1973-11-12
NL6916557A (xx) 1970-05-12
FR2022866B1 (xx) 1973-03-16
FR2022866A1 (xx) 1970-08-07
DE6806118U (de) 1969-04-17
CH504358A (de) 1971-03-15

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Effective date: 19840302