US3347298A - Flexible fastener with unidirectional opening - Google Patents

Flexible fastener with unidirectional opening Download PDF

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Publication number
US3347298A
US3347298A US493779A US49377965A US3347298A US 3347298 A US3347298 A US 3347298A US 493779 A US493779 A US 493779A US 49377965 A US49377965 A US 49377965A US 3347298 A US3347298 A US 3347298A
Authority
US
United States
Prior art keywords
elements
bag
rib
groove
wall portion
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
US493779A
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English (en)
Inventor
Ausnit Steven
Karel J Staller
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
Minigrip Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minigrip Inc filed Critical Minigrip Inc
Priority to US493779A priority Critical patent/US3347298A/en
Priority to BE687637D priority patent/BE687637A/xx
Priority to SE13578/66A priority patent/SE368378B/xx
Priority to DK522666AA priority patent/DK116185B/da
Application granted granted Critical
Publication of US3347298A publication Critical patent/US3347298A/en
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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/30—Separable-fastener or required component thereof
    • Y10S24/50—Separable-fastener or required component thereof including member having elongated, resilient, interlocking face with identical, parallel cross-sections throughout its length

Definitions

  • FIGURE 1 is a sectional view showing a flexible reclosable container having flexible closure elements formed integrally therewith and mounted on the container walls according to the features of this invention
  • FIGURE 2 is a partial view similar to that shown in FIGURE 1 illustrating an alternate embodiment of the features of this invention and in particular showing a different mounting of the interlockable rib and groove elements deployed thereon, and
  • FIGURE 3 is a sectional view similar to that shown in FIGURE 2 illustrating a further embodiment of the flexible closure elements of this invention.
  • This invention is concerned generally with the manner of mounting interlocking rib and groove elements on the flexible walls of a reclosable container for the purpose of discriminating between internally and externally applied opening forces.
  • the. point of attachment ofthe interlocking elements to the container walls aflects the force required to unlock the cooperably engaged surfaces.
  • Change in the point of attachment of the groove element changes the point of application of the opening force as applied through the interengageable surfaces. It is Well understood that the point of application of a force to an interlocking rib and groove element structure is critical in determining Whether the structure will be urged into a more firm engagement or will be properly stressed to produce disengagement.
  • Interlocking rib and groove ele- 'ments can sustain relatively high forces without opening when those forces are applied to all but a relatively specific direction. Taking advantage of this fact, this invention has adjusted the point of application of forces originating at the inner and outer container walls to increase the resistance to opening, inwardly of the closure elements and to decrease the resistance to opening, outwardly of those elements.
  • FIGURE 1 there is shown generally a flexible reclosable container 10 employing interlocking rib and groove elements according to the specifications of this invention.
  • the container 10 has first and second wall portions 11 and 12 which extend between a closed end 13 and the flexible closure elements.
  • the flexible closure elements as mounted at the walls 11 and 12 comprise generally a rib element 14 and a groove element 15.
  • the rib element 14 consists of a base 16 attached to the wall portion 11 at a point 17.
  • the base 16 becomes an elongated shaft 18 which in turn extends to an arrowhead shaped connector 19.
  • the connector 19 has outermost engaging surfaces 20 and 21, and inwardly facing engaging surfaces 22 and 23.
  • the surfaces 20through 23 are then cooperable with interengaging surfaces provided by the groove element 15.
  • the groove element 15 has a base 24 which is secured to the inner surface of the wall portion 12 as at the point 25.
  • the base 25 is provided with outwardly curved arm portions 26 and 27 which extend from the wall portion 12 to the vicinity of the opposing wall portion 11.
  • the arms 26 and 27 terminate in hook members 28 and 29 disposed intermediate the arrowhead shaped connector 19 and the wall portion 11.
  • FIGURE 1 The principal locking function of the elements shown in FIGURE 1 is accomplished between inwardly directed engaging surfaces 30 and 31 of the hook members 28 and 29 and the mating surfaces 22 and 23 of the arrowhead shaped connector 19. It may be noted that while the surfaces 20 and 21 of the arrowhead shaped connector 19 do not perform a locking function, they are utilized in conjunction with the inner surface 32 of the groove element 15 to provide a tight closure for the contents of the flexible container :10.
  • the flexible container 10 is provided with external flanges 33 and 34 formed outwardly of the rib and groove elements 14 and 15 respectively as extensions of the wall portions 11 and 12.
  • FIGURE 1 a centerline 35 is shown as extending from the wall portion 11 through the arrowhead shaped connector 19 to the wall portion 12. It may also be noted that the arrowhead shaped connector 19 is substantially symmetrical about the centerline 35 and that no variations have been developed in the connector 19 to produce the opening characteristics of this invention. However, while the arrowhead shaped connector 19 is formed similarly both inwardly and outwardly of the centerline 35, the groove element 15 is misaligned relative to that centerline.
  • the base 24 of the groove element 15 is displaced outwardly of the centerline 35 so as to have a point 36 spaced substtntially further from the line 35 than an opposing point 3 Considering FIGURE 1 in greater detail, it can be seen that the displacement of the base 24 of the groove element :15 relative to'the centerline 35 directly affects the connection to the hook members 28 and 29 which provide the principal locking function for the flexible container 10.
  • the displacement of the base 24 tends to elongate the outwardly curved arm 27 and to shorten the outwardly curved arm 26 of the groove element 15. This elongation tends to disassociate the action of the inner flange 12 relative to the hook member 29.
  • the force applied to the groove element by an outward flexing of the wall 12 is initiated at the point 37 which is a point outwardly of the engaging surfaces 23 and 31. Forces applied at this point tend to resist opening and urge the engagement surfaces into a firmer contact.
  • the outward flexing of the flange 34 applies a force to the groove element 15 at a point 36 which has been reorientated to a more outwardly position relative to the engaging surfaces 22 and 30. It is apparent, therefore, that a smaller force applied to the point 36 will produce disengagement of the hook member 28 than a force applied at the point 37 will produce disengagement of the hook member 29 as the force applied at the point 36 ends to peel the hook member 28 away from the rib member by exerting a pull from the side.
  • FIGURE 2 A further embodiment of this invention is shown in FIGURE 2 and involves similarly shaped rib and groove elements formed integrally with wall portions 11 and 12. It may be noted that reference numerals have been car- 4 ried from FIGURE 1 to FIGURE 2 and subsequent FIG- URE 3 to identify similar features and configurations.
  • FIGURE 2 The distinguishing feature present tin FIGURE 2 involves the mounting of the groove element 15 at the inner surface of the wall portion 12.
  • the centerline 35 is shown, as in FIGURE 1, to pass from the wall portion 11 through the center of the arrowhead shaped connector 19 to the opposing wall portion 12.
  • the base 24 of the groove element 25 is displaced entirely outwardly of the centerline 35.
  • the external flange 34 is attached to the base 24 at a point 39 which is substantially removed outwardly of the centerline 35. It is apparent from FIGURE 2 that the force applied to the outwardly curved arm 26 via movement or flexing of the external flange 34 is transmitted to the hook member 28 in a direction for disengaging or peeling away that member from the inner surface 22 of the arrowhead shaped connector 19. The orientation shown in FIGURE 2 then provides a substantial differentiation between the effectiveness of a force applied inwardly at the wall portion 12 and a similar force applied outwardly at the external flange 34.
  • FIGURE 3 A further embodiment of this invention is shown in FIGURE 3 and, as in the case of FIGURE 2, constitutes similarly orientated and shaped rib and groove elements formed integrally with the walls 11 and 12 of the flexible container 10.
  • the mounting of the base 24 of the groove element 15 at the inner surface of the wall 12 is substantially symmetrical relative to the centerline 35. Therefore, the novel features of this structure do not affect the force applied to the wall 12.
  • the relative effectivness of a force applied to the external flange 34 as compared to the external flange 12 is altered via the addition of a wedge 40 of flexible material applied between the inner surface of the external flange 34 and the lower surface 41 of the outwardly extending arm 26.
  • the wedge 40 may be formed integrally with the groove element 15 and the external flange 34 and provides a direct connection from that flange to the upper portions of the outwardly extending arm 26, namely to the hook member 28. It is apparent, therefore, that a force applied to the flange 34 will be correctly orientated for disengaging or peeling the hook member 28 relative to the inner surface 22 of the arrowhead shaped connector 19. In this way, the force for opening the rib and groove elements due to a spreading of the flanges 33 and 34 is comparatively reduced relative to the force for opening due to a similar spreading of the inner walls 11 and 12.
  • a reclosable flexible container comprising:
  • interlocking rib and groove elements formed integrally at the inner surface of said bag about the opening thereof
  • said bag having external flanges extending outwardly of said elements which may be gripped and drawn apart to separate said elements,
  • a second of said elements interlockable with said first element and attached to said second wall portion at a base, said base having a point of attachment to said second wall which is inwardly of the outermost point of engagement between said rib elements and having a center displaced outwardly of said centerline of said first element whereby said bag opens relatively easily from the outside and resists opening from the inside.
  • a reclosable flexible container comprising:
  • said groove element having a misaligned attachment to said integral bag relative to said cooperable rib element, said misaligned attachment being such that the innermost point of attachment is disposed inwardly of the outermost point of engagement between said rib elements,
  • said bag opens relatively easily from the outside and resists opening from the inside.
  • a reclosable flexible'container comprising:
  • said hag being opened by drawing said elements apart and being closed by pressing said elements together
  • said groove element having a base attached to said integral ba-g completely outwardly of the centerline of said cooperable rib element, the innermost point of attachment of said base being disposed inwardly of the outermost point of engagement between said rib elements,
  • a reclosable flexible container comprising:
  • a bag body having plastic film walls and integral interlocking rib and groove elements formed at the inner surface of said walls,
  • said bag having external flanges extending outwardly of said elements which may be gripped and drawn apart to separate said elements,
  • said rib element being arrowhead shaped and having locking surfaces facing the outside of said s
  • said groove element having hook members engaging said locking surfaces and closing said bag thereby
  • said groove element attached to said bag outwardly of the corresponding attachment of said rib ele- 6, ment, and the innermost point of attachment of said groove element to said bag being disposed inwardly of the outermost point of engagement between said rib elements.
  • a reclosable flexible container comprising:
  • a bag body having plastic film walls and integral interlocking rib and groove elements formed at the inner surface of said walls,
  • said bag having external flanges extending outwardly of said elements which may be gripped and drawn apart to separate said elements,
  • said rib element being arrowhead shaped and having locking surfaces facing the outside of said said rib element having a cross section thereof defining a centerline extending therethrough from one wall to an opposing wall of said bag,
  • said groove element having hook members engaging said locking surfaces and closing said bag thereby
  • said groove element formed at a wall opposite said rib element and having a base thereof attached to said bag entirely outwardly of said centerline.
  • a reclosable flexible container comprising:
  • a bag body having plastic film Walls and integral interlocking rib and groove elements formed at the inner surface of said walls,
  • said bag having external flanges extending outwardly of said elements which may be gripped and drawn apart to separate said elements, said bag being reclosable by pressing said elements together, said rib element being arrowhead shaped and having locking surfaces facing the outside of said said groove element having hook members engaging said locking surfaces and closing said bag thereby, said groove element attached to said bag oppositely of said rib element,
  • a reclosable flexible container comprising:
  • said bag being opened by drawing said elements apart and being closed by pressing said elements together
  • said groove element having a misaligned attachment to said integral bag relative to said c0- operable rib element
  • said groove element having hook arms for engaging said cooperable rib element
  • a reclosable flexible container comprising:
  • said bag being opened by drawing said elements apart and being closed by pressing said elements together
  • said groove element having a base attached to said integral bag completely outwardly of the centerline of said cooperable ribelement
  • said groove element having hook arms for engaging said cooperable rib element
  • a reclosable flexible container comprising:
  • a bag body having plastic film walls and integral interlocking rib and groove elements formed at the inner surface of said walls,
  • said bag having external flanges extending outwardly of said elements which may be gripped and drawn apart to separate said elements,
  • said rib element being arrowheadshaped and having locking surfaces facing the outside of said said arrowhead shaped rib element being substantially symmetrical about a centerline extending therethrough from one wall of said plastic film bag to an opposing Wall thereof,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
US493779A 1965-10-07 1965-10-07 Flexible fastener with unidirectional opening Expired - Lifetime US3347298A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US493779A US3347298A (en) 1965-10-07 1965-10-07 Flexible fastener with unidirectional opening
BE687637D BE687637A (enrdf_load_stackoverflow) 1965-10-07 1966-09-30
SE13578/66A SE368378B (enrdf_load_stackoverflow) 1965-10-07 1966-10-07
DK522666AA DK116185B (da) 1965-10-07 1966-10-07 Pose af plastfolie og med lukkeorganer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US493779A US3347298A (en) 1965-10-07 1965-10-07 Flexible fastener with unidirectional opening

Publications (1)

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US3347298A true US3347298A (en) 1967-10-17

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Application Number Title Priority Date Filing Date
US493779A Expired - Lifetime US3347298A (en) 1965-10-07 1965-10-07 Flexible fastener with unidirectional opening

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US (1) US3347298A (enrdf_load_stackoverflow)
BE (1) BE687637A (enrdf_load_stackoverflow)
DK (1) DK116185B (enrdf_load_stackoverflow)
SE (1) SE368378B (enrdf_load_stackoverflow)

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808649A (en) * 1971-07-26 1974-05-07 S Ausnit Permanently closable fastener
FR2421120A1 (fr) * 1978-03-31 1979-10-26 Union Carbide Corp Fermeture, notamment pour sacs ou sachets en plastique, par enclenchement sous pression de profiles
US4363345A (en) * 1980-06-02 1982-12-14 Union Carbide Corporation Reclosable container
US4430070A (en) 1981-08-11 1984-02-07 Minigrip, Inc. Method of and apparatus for uninterruptedly assembling components for making bags
US4479244A (en) * 1982-09-30 1984-10-23 Steven Ausnit Easy opening bag
US4484352A (en) * 1983-02-07 1984-11-20 Katzin Lawrence F Reclosable plastic bag
US4561109A (en) * 1982-10-12 1985-12-24 Mobil Oil Corporation Plastic bags with releasable closure which resists opening from inside
US4589145A (en) * 1983-10-31 1986-05-13 Signode Corporation Packaging material and package
US4601694A (en) * 1982-04-16 1986-07-22 Minigrip, Inc. Thin wall reclosable bag material and method of making same
US4663915A (en) * 1983-10-31 1987-05-12 Signode Corporation Method of packaging and apparatus
US4672723A (en) * 1985-11-04 1987-06-16 Minigrip, Inc. Stabilized reclosable extruded plastic fasteners
US4733778A (en) * 1986-09-25 1988-03-29 Illinois Tool Works Inc. Reuseable carrier tape
US4795269A (en) * 1983-06-30 1989-01-03 First Brands Corporation Controlled separation characteristics of interlocking closure fastening devices
US4812056A (en) * 1985-03-25 1989-03-14 The Dow Chemical Company Reclosable, flexible container having an externally operated fastener
US4846586A (en) * 1986-09-08 1989-07-11 Bruno Edward C Recloseable plastic bag having double thickness flap at openable end
US4878763A (en) * 1988-11-30 1989-11-07 Minigrip, Inc. Double hinge zipper construction
US5007143A (en) * 1990-03-07 1991-04-16 Mobil Oil Corp. Rolling action zipper profile and slipper therefor
US5007142A (en) * 1990-03-07 1991-04-16 Mobil Oil Corp. Method of assembling a snapped-together multipart plastic slider with a plastic reclosable fastener
US5010627A (en) * 1990-03-07 1991-04-30 Mobil Oil Corporation Foldable plastic slider and method of assembly with a plastic reclosable fastener
US5020194A (en) * 1990-03-07 1991-06-04 Mobil Oil Corporation Leakproof zipper with slider
WO1991013562A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Gull wing zipper slider
US5063644A (en) * 1991-03-22 1991-11-12 Mobil Oil Corporation Foldable zipper slider with compression-type latch
US5067208A (en) * 1991-03-22 1991-11-26 Mobil Oil Corporation Plastic reclosable fastener with self-locking slider
US5088162A (en) * 1990-07-16 1992-02-18 Allan Robert M Connector apparatus
WO1992017085A1 (en) * 1991-03-29 1992-10-15 Mobil Oil Corporation Rolling action zipper profile and slider therefor
WO1992017084A1 (en) * 1991-03-29 1992-10-15 Mobil Oil Corporation Method of assembling a snapped-together multipart plastic slider with a plastic reclosable fastener
WO1992017087A1 (en) * 1991-03-29 1992-10-15 Mobil Oil Corporation Gull wing zipper slider
WO1992020252A1 (en) * 1991-05-13 1992-11-26 Mobil Oil Corporation Leakproof zipper with slider
US5179767A (en) * 1990-07-16 1993-01-19 Allan Robert M Connector apparatus
US5189764A (en) * 1991-03-22 1993-03-02 Mobil Oil Corporation Plastic reclosable fastener with structure for retaining slider in closed position
US5293672A (en) * 1992-03-30 1994-03-15 Yoshida Kogyo K. K. Gas-and-water-tight flexible fastener
US5345659A (en) * 1990-07-16 1994-09-13 Allan Robert M Connector apparatus with nesting ridges
US5442837A (en) * 1994-06-20 1995-08-22 Mobil Oil Corporation Integrated end stops for zipper slider
US5442838A (en) * 1994-06-17 1995-08-22 Mobil Oil Corporation Rolling action zipper profile and slider
US5478152A (en) * 1992-12-14 1995-12-26 Bogle; David M. Locking system for holding open a plastic film bag
US5555608A (en) * 1990-07-16 1996-09-17 Allan; Robert M. Connector apparatus with nesting ridges
US5640744A (en) * 1990-07-16 1997-06-24 Allan; Robert M. Nested ridge strap connector apparatus
US6152600A (en) * 1998-11-03 2000-11-28 Reynolds Consumer Products, Inc. Particle-tolerating closure arrangement for reclosable bag and methods thereof
US6360513B1 (en) 1999-05-11 2002-03-26 Sargento Foods Inc. Resealable bag for filling with food product(s) and method
EP1223349A2 (en) 2000-11-20 2002-07-17 Sord Technologies Limited Connector assembly
US6550965B2 (en) 1999-08-27 2003-04-22 Aeroquip Corporation Reclosable plastic bag and method for forming
US20030167606A1 (en) * 2002-03-11 2003-09-11 Mcmahon Michael Insertion apparatus for attaching sliders onto zipper bags and film
US20040000743A1 (en) * 2002-06-27 2004-01-01 Pawloski James C. Method and apparatus for forming a guide rib on a section of plastic film
US20040001651A1 (en) * 2002-06-27 2004-01-01 Pawloski James C. Closure device for a reclosable pouch
US20040234173A1 (en) * 2003-05-19 2004-11-25 Saad Zain E.M. Closure device for a reclosable pouch
US20040256761A1 (en) * 2003-06-17 2004-12-23 Pawloski James C. Method of and apparatus for producing a reclosable pouch
US20050138893A1 (en) * 2003-12-29 2005-06-30 Steven Ausnit Method and apparatus for making reclosable packages having slider-actuated string zippers
US7137736B2 (en) 2003-05-19 2006-11-21 S.C. Johnson Home Storage, Inc. Closure device for a reclosable pouch
US7419300B2 (en) 2004-06-16 2008-09-02 S.C. Johnson Home Storage, Inc. Pouch having fold-up handles
US7494333B2 (en) 2004-06-04 2009-02-24 S.C. Johnson Home Storage, Inc. Apparatus for forming multiple closure elements
EP2218650A1 (fr) 2009-02-17 2010-08-18 S2F Flexico Ensemble de fermeture pour sachets d'emballage et sachets comprenant un tel ensemble
EP2218649A1 (fr) 2009-02-17 2010-08-18 S2F Flexico Ensemble de fermeture pour sachets d'emballage et sachets comprenant un tel ensemble
US7850368B2 (en) 2004-06-04 2010-12-14 S.C. Johnson & Son, Inc. Closure device for a reclosable pouch

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DK126921B (da) * 1969-08-14 1973-09-03 Seisan Nippon Sha Ltd Kk Poselukke.

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Cited By (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808649A (en) * 1971-07-26 1974-05-07 S Ausnit Permanently closable fastener
FR2421120A1 (fr) * 1978-03-31 1979-10-26 Union Carbide Corp Fermeture, notamment pour sacs ou sachets en plastique, par enclenchement sous pression de profiles
US4212337A (en) * 1978-03-31 1980-07-15 Union Carbide Corporation Closure fastening device
US4363345A (en) * 1980-06-02 1982-12-14 Union Carbide Corporation Reclosable container
US4430070A (en) 1981-08-11 1984-02-07 Minigrip, Inc. Method of and apparatus for uninterruptedly assembling components for making bags
US4601694A (en) * 1982-04-16 1986-07-22 Minigrip, Inc. Thin wall reclosable bag material and method of making same
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
US4484352A (en) * 1983-02-07 1984-11-20 Katzin Lawrence F Reclosable plastic bag
US4795269A (en) * 1983-06-30 1989-01-03 First Brands Corporation Controlled separation characteristics of interlocking closure fastening devices
US4589145A (en) * 1983-10-31 1986-05-13 Signode Corporation Packaging material and package
US4663915A (en) * 1983-10-31 1987-05-12 Signode Corporation Method of packaging and apparatus
US4812056A (en) * 1985-03-25 1989-03-14 The Dow Chemical Company Reclosable, flexible container having an externally operated fastener
US4672723A (en) * 1985-11-04 1987-06-16 Minigrip, Inc. Stabilized reclosable extruded plastic fasteners
US4846586A (en) * 1986-09-08 1989-07-11 Bruno Edward C Recloseable plastic bag having double thickness flap at openable end
US4733778A (en) * 1986-09-25 1988-03-29 Illinois Tool Works Inc. Reuseable carrier tape
US4878763A (en) * 1988-11-30 1989-11-07 Minigrip, Inc. Double hinge zipper construction
WO1991013562A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Gull wing zipper slider
WO1991013566A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Method of assembling a snapped-together multipart plastic slider with a plastic reclosable fastener
US5010627A (en) * 1990-03-07 1991-04-30 Mobil Oil Corporation Foldable plastic slider and method of assembly with a plastic reclosable fastener
US5020194A (en) * 1990-03-07 1991-06-04 Mobil Oil Corporation Leakproof zipper with slider
WO1991013563A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Foldable plastic slider and method of assembly with a plastic reclosable fastener
WO1991013564A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Rolling action zipper profile and slider therefor
US5007142A (en) * 1990-03-07 1991-04-16 Mobil Oil Corp. Method of assembling a snapped-together multipart plastic slider with a plastic reclosable fastener
US5070583A (en) * 1990-03-07 1991-12-10 Mobil Oil Corporation Gull wing zipper slider
US5007143A (en) * 1990-03-07 1991-04-16 Mobil Oil Corp. Rolling action zipper profile and slipper therefor
WO1991013565A1 (en) * 1990-03-07 1991-09-19 Mobil Oil Corporation Leakproof zipper with slider
US5640744A (en) * 1990-07-16 1997-06-24 Allan; Robert M. Nested ridge strap connector apparatus
US5555608A (en) * 1990-07-16 1996-09-17 Allan; Robert M. Connector apparatus with nesting ridges
US5088162A (en) * 1990-07-16 1992-02-18 Allan Robert M Connector apparatus
US5345659A (en) * 1990-07-16 1994-09-13 Allan Robert M Connector apparatus with nesting ridges
US5179767A (en) * 1990-07-16 1993-01-19 Allan Robert M Connector apparatus
US5189764A (en) * 1991-03-22 1993-03-02 Mobil Oil Corporation Plastic reclosable fastener with structure for retaining slider in closed position
US5067208A (en) * 1991-03-22 1991-11-26 Mobil Oil Corporation Plastic reclosable fastener with self-locking slider
US5063644A (en) * 1991-03-22 1991-11-12 Mobil Oil Corporation Foldable zipper slider with compression-type latch
WO1992017087A1 (en) * 1991-03-29 1992-10-15 Mobil Oil Corporation Gull wing zipper slider
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Also Published As

Publication number Publication date
SE368378B (enrdf_load_stackoverflow) 1974-07-01
BE687637A (enrdf_load_stackoverflow) 1967-03-01
DK116185B (da) 1969-12-15

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