WO1992020252A1 - Fermeture a glissiere hermetique, pourvue d'un curseur - Google Patents

Fermeture a glissiere hermetique, pourvue d'un curseur Download PDF

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Publication number
WO1992020252A1
WO1992020252A1 PCT/US1991/002151 US9102151W WO9220252A1 WO 1992020252 A1 WO1992020252 A1 WO 1992020252A1 US 9102151 W US9102151 W US 9102151W WO 9220252 A1 WO9220252 A1 WO 9220252A1
Authority
WO
WIPO (PCT)
Prior art keywords
slider
strips
rib
groove
elements
Prior art date
Application number
PCT/US1991/002151
Other languages
English (en)
Inventor
Fox John Herrington
Eric Anthony St. Phillips
Original Assignee
Mobil Oil Corporation
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 Mobil Oil Corporation filed Critical Mobil Oil Corporation
Priority to PCT/US1991/002151 priority Critical patent/WO1992020252A1/fr
Publication of WO1992020252A1 publication Critical patent/WO1992020252A1/fr

Links

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
    • 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
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/267—Sliders for slide fasteners with edges of stringers having uniform section throughout the length thereof

Definitions

  • the present invention relates to improvements in plastic reclosable fasteners with sliders particularly suited for thermoplastic bags and the like and particularly to a zipper slider having separator structure that acts on track structure extending along the length and parallel to the rib and groove elements of the zipper and not between the rib and groove elements as with a conventional zipper.
  • the zipper structure is slit or notched locally at the end where the slider goes when the zipper is closed, to allow the rib and groove elements to interlock fully, making a leakproof closure.
  • a method of assembling a plastic slider with a plastic reclosable fastener is disclosed in related application entitled “Method of Assembling a Snapped Together Multi-Part Plastic Slider with a Plastic Reclosable Fastener", Attorney Docket 5155 filed concurrently herewith.
  • Another method of assembling a plastic slider with a plastic reclosable fastener is disclosed in related application entitled “Method of Assembling a Multi-Part Plastic Slider with a Plastic Reclosable Fastener by Ultrasonic Welding” Attorney Docket 5154 filed concurrently herewith.
  • a foldable plastic slider for a zipper is disclosed in related application entitled “Foldable Plastic Slider and Method of Assembly with a Plastic Reclosable Fastener", Attorney Docket.5539 filed concurrently herewith.
  • the present invention relates to a leakproof plastic reclosable fastener with slider particularly suited for thermoplastic bags and the like comprising a pair of flexible plastic strips having separable fastener means extending along the length thereof comprising reclosable interlocking rib and groove profile elements on the respective strips.
  • the strips each include profiled track structure extending along the length thereof parallel to the rib and groove elements.
  • a straddling slider is positioned on- the strips for closing or opening the reclosable fastener elements.
  • the slider comprises an inverted U-shaped plastic member having a back for moving along the top edges of the strips with depending side walls projecting therefrom for maintaining the track structure and the rib and groove elements therebetween.
  • the slider includes separator structure depending from the back and inserted between the track structure to open the rib and groove elements.
  • the side walls extend from an opening end of the slider to a closing end. The side walls are spaced wider apart at the opening end to permit separation of the rib and groove elements and are spaced sufficiently close together at the closing end to press the rib and groove elements into interlocking relationship as the slider is moved in a fastener closing direction.
  • the structure at the one end of the pair of strips separating the track structure from the interlocking rib and groove elements comprises longitudinal slit structure.
  • the structure at the one end of the pair of strips separating the track structure from the interlocking rib and groove elements comprises notch structure.
  • the profiled track structure is positioned above the interlocking rib and groove profile elements.
  • the profiled track structure extends along opposite sides of the interlocking rib and groove profile elements.
  • the separator structure depending from the back and inserted between the profiled track structure is substantially wedge shaped.
  • the structure depending from the back of the slider includes shoulder structure extending outwardly for engaging the bottom of the track structure.
  • the separator structure includes groove structure on opposite sides of the slider for receiving the profiled track structure.
  • the depending side walls include shoulder structure extending inwardly and beneath the interlocking rib and groove profile elements for maintaining the slider on the pair of flexible-plastic strips.
  • Fig. 3 is a sectional view taken along the lines- 3-3 in Fig. 2.
  • Fig. 4 is a sectional view taken along the lines 4-4 in Fig. 2.
  • Fig. 5 is a sectional view taken along the lines 5-5 in Fig. 2.
  • Fig. 6 is a sectional view taken along the lines 6-6 in Fig. 2.
  • Fig. 7 is a fractional perspective view on enlarged scale of the leakproof plastic reclosable fastener with slider taken from the opposite end of the bag from that shown in Fig l.
  • Fig. 8 is a vertical sectional view, similar to Fig. 4, through another embodiment of a leakproof plastic reclosable fastener with slider.
  • Fig. 9 is a vertical sectional view, similar to Fig. 8, through another embodiment of a lead-proof plastic reclosable fastener with slider embodying the present invention.
  • Fig. 10 is a fractional perspective view of a thermoplastic bag or the like of another embodiment of a leak-proof plastic reclosable fastener with slider according to the present invention.
  • Fig. 11 is a side elevation of the leakproof plastic reclosable fastener with slider shown in Fig. 10.
  • Fig. 12 is a top plan view of the leakproof plastic reclosable fastener with slider illustrated in Fig. 11.
  • Fig. 13 is a sectional view taken along the lines 13-13 in Fig. 12.
  • Fig. 14 is a sectional view taken along the lines 14-14 in Fig. 12.
  • Fig. 15 is a fractional perspective view of a thermoplastic bag or the like of another embodiment of a leakproof plastic reclosable fastener with slider embodying the present invention.
  • Fig. 16 is a fractional perspective view of a thermoplastic bag or the like of another embodiment of a leakproof plastic reclosable fastener with slider embodying the present invention.
  • a leakproof plastic reclosable fastener 10 commonly referred to as a zipper with a slider 11 particularly suited for thermoplastic bags and the like and has been illustrated in Fig. 1 in connection with a thermoplastic bag 12.
  • the bag 12 has been cut away at the right hand end for clarity.
  • the bag 12 may be made from any suitable thermoplastic film such for example as polyethylene or polypropylene or equivalent material.
  • the bag 12 is formed by a pair of flexible plastic sheets 13 and 14 having a top edge with the reclosable fastener means 10 along the length thereof.
  • the reclosable fastener means 10 comprises a pair of flexible strips 15 and 16 having separable fastener means extending along the length thereof comprising reclosable interlocking rib and groove profile elements 17 and 18 on the respective strips 15 and 16.
  • the strips 15 and 16 each include profiled track structure 19 and 20 extending along the length thereof parallel to the rib and groove elements 17 and 18.
  • the flexible plastic strips 15 and 16 extend along the mouth of the bag 12 and are adapted to be secured in any suitable manner to the flexible walls of the thermoplastic film bag. While the strips may be integral marginal portions of such walls, it is preferable that they be extruded separately and thereafter attached to the walls along the mouth of the bag in a manner well known in the art. The manner of attaching these strips to the respective walls of the bag is well known and does not form part of the present invention.
  • the slider 11 straddles the strips 15 and 16 for closing or opening the reclosable fastener elements 17 and 18.
  • the slider 11 comprises an inverted U-shaped plastic member having a back 11a for moving along the top edges of the strips with depending side walls lib, lie projecting therefrom for maintaining the track structure 19 and 20 and the rib and groove elements 17 and 18 therebetween and extending from an opening end lid of the slider 11 to a closing end lie.
  • the side walls lib lie, are spaced wider apart at the opening end 11a to permit separation of the rib and groove elements 17 and 18 and are spaced sufficiently close together at the closing end lie of the slider to press the rib and groove elements 17 and 18 into interlocking relationship as the slider is moved in a fastener closing direction.
  • the slider 11 is provided with depending separator structure in the form of a plastic finger llf which extends between the side walls lib and lie of the slider 11 for separating the rib and groove elements 17 and 18 as the slider 11 is moved in a fastener opening direction.
  • the finger llf is inserted between the tracks 19 and 20 which are integral with the rib and groove elements 17 and 18.
  • the separating finger llf is of wedge-shaped construction with the wider end of the wedge at the opening end lid of the slider 11.
  • the separating finger llf is provided at its lower end with outwardly extending shoulder structure llg, Figs.
  • the tracks 19 and 20 are integral with the rib 17 and groove 18 on the respective strips 15 and 16 when the wedge llf moves the tracks 19 and 20 apart as the slider 11 moves in the opening direction the rib 17 and groove 18 likewise are moved apart to open the zipper.
  • the side walls lib and lie act on the sides of the strips 15 and 16 to press the rib and groove elements 17 and 18 into interlocking relationship as shown in Figs. 3-5.
  • the rib and groove elements 17 and 18 are shown in fully closed position in Fig. 5.
  • the finger llf Since the finger llf is wider at the opening end lid of the slider 11 it continues to move the track structure 19 and 20 apart as it is moved in the closing direction, Figs. 1, 2 and 7.
  • structure is provided at the one end of the pair of strips separating the track structure from the interlocking rib and groove elements whereby when the slider is moved in the fastener closing direction to the one end of the strips, the opening end of the slider is ineffective on the track structure to open the interlocking rib and groove elements at the one end of the strips while the interlocking rib and groove elements are closed throughout the length of the strips by the closing end of the slider to prevent leakage through the reclosable fastener.
  • this structure is in the form of longitudinal slit structure 15a and 16a in each of the strips 15 and 16 at the left hand end of the zipper 10 where the sli ⁇ der 11 goes when the zipper 10 is closed.
  • the slits 15a and 16a separate the tracks 19 and 20 from the rib and groove elements 17 and 18 and thus render the finger llf of the slider ineffective in opening the rib and groove elements 17 and 18 at the closed end of the zipper, Fig. 6.
  • the rib and groove elements 17 and 18 at the left hand end of the bag may initially be closed manually and once closed they remain closed as shown in Figs. 2, 6 and 7 even when the slider 11 has been moved to the left hand end of the bag.
  • FIG. 15 Alternative structure for separating the track structure 19 and 20 from the interlocking rib and groove elements 17 and 18 on the strips is 15 and 16 illustrated in Fig. 15 where notch structure 15b and 16b has been provided in the respective strips 15 and 16.
  • the notch structure 15b and 16b separates the tracks 19 and 20 from the interlocking rib and groove elements 17 and 18 at the one end of the pair of strips whereby when the slider 11 is moved in the fastener closing direction to that end of the strips the opening end lid of the slider 11 is ineffective on the track structure 19 and 20 to open the interlocking rib and groove elements 17 and 18 at that end of the strips 15 and 16 while the interlocking rib and groove elements 17 and 18 are closed throughout the length of the strips by the closing end lie of the slider to prevent leakage through the reclosable fastener.
  • the slider 11 has been illustrated as being formed from multiple plastic parts comprising the back 11a and separator finger llf and the side walls lib and lie.
  • the plastic parts are molded from a plastic that can be ultrasonically welded such for example as nylon, polypropylene, polystyrene, Delran or ABS.
  • Other types of plastic sliders may be utilized such for example as the plastic sliders disclosed in the above-identified related applications including the applications disclosing the one piece sliders with foldable side walls.
  • the lower edges of the side walls lie and lib may be provided with shoulders llh and llj extending inwardly and beneath the interlocking rib and groove profile elements 17 and 18 for maintaining the slider 11 on the pair of flexible plastic strips 15 and 16 as shown in Fig. 8.
  • the shoulders llh and llj are provided on the sidewalls lie and lib the shoulder structure llg on the lower end of the finger llf may be eliminated if desired.
  • An example of this arrangement is illustrated in Fig. 9.
  • Fig. 10 there is illustrated a modification of a leakproof " plastic reclosable fastener or zipper 30 with a slider 31 particularly suited for thermoplastic bags and the like and has been illustrated in Fig. 10 in connection with a thermoplastic bag 32.
  • the reclosable fastener 30 and the slider 31 are similar to the fastener 10 and the slider ii previously disclosed in connection with Figs. 1-9 and 15.
  • the bag 32 is formed by a pair of flexible plastic film sheets 33 and 34, Figs. 13 and 14 having a top edge with a reclosable fastener means 30 extending along the length thereof.
  • the reclosable fastener means 30 comprises a pair of flexible strips 35 and 36 having separable fastener means extending along the length thereof comprising reclosable interlocking rib and groove profiled elements 37 and 38 on the respective strips 35 and 36.
  • the strips 35 and 36 each include profiled track structure 39 and 40 extending along the length thereof parallel to the rib and groove elements 37 and 38. As may be seen in Figs 10-14 the profiled track structure 39 and 40 extends along opposite sides of the interlocking groove and profile elements 37 and 38.
  • the flexible plastic strips 35 and 36 extend along the mouth of the bag 32 and are adapted to be secured in any suitable manner to the flexible walls of the thermoplastic bag.
  • the strips be extruded separately and thereafter attached to the walls along the mouth of the bag in a manner well known in the art.
  • the slider 31 straddles the strips 35 and 36 for closing or opening the reclosable fastener elements 37 and 38.
  • the slider 31 comprises an inverted U-shaped plastic member having a back 31a for moving along the top edges of the strips with depending side walls 31b, 31c projecting therefrom for maintaining the track structure 39 and 40 and the rib and groove elements 37 and 38 therebetween and extending from an opening end 3Id of the slider 31 to a closing end 31e, Figs. 10 and 12.
  • the side walls 31b, 31c are spaced wider apart at the opening end 3Id to permit separation of the rib and groove elements 37 and 38 and are spaced sufficiently close together at the closing end 31e of the slider to press the rib and groove elements 37 and 38 into interlocking relationship, Fig. 13, as the slider is moved in the fastener closing direction.
  • the slider 31 is provided with depending separator structure 31f, 31f which extends between the side walls 31b and 31c of the slider 31 for separating the rib and groove elements 37 and 38 as the slider 31 is moved in the fastener opening direction.
  • the separator structure llf is inserted between the tracks 39 and 40 which are integral with the rib and groove elements 37 and 38.
  • the separator structure 3If is of wedge-shaped construction with the wider end of the wedge at the opening end 31d of the slider 31.
  • the slider 31 is provided with. a lower section 31h, 31j, Figs.
  • the section 31h is connected to the lower end of the side wall 31c and forms an inwardly " extending shoulder structure which extends around the bottom of the track 39.
  • the section 31j is connected to the lower end of the side wall 31b and forms inwardly extending shoulder structure which extends around the lower surface of the track 40.
  • the tracks 39 and 40 are integral with the rib 37 and the groove 38 on the respective strips 35 and 36 and when the wedge 31f moves the tracks 39 and 40 apart as the slider 31 moves in the opening direction the rib 37 and groove 38 likewise are moved apart to open the zipper.
  • the side walls 31b and 31c act on the sides of the tracks 39 and 40 to press the rib and groove elements 37 and 38 into interlocking relationship as shown in Fig. 13. Since the separator or finger structure 3If is wide at the opening end 3Id of the slider 31 it continues to move the track structure 39 and 40 apart as it is moved in the closing direction.
  • structure is provided at the left hand end of the pair of strips 35 and 36 separating the track structure 39, 40 from the interlocking rib and groove elements 37, 38 whereby when the slider is moved in the fastener closing direction to the left hand end of the strips, the opening end of the slider is ineffective on the track structure to open the interlocking rib and groove elements at that end of the strips while the interlocking rib and groove elements are closed throughout the length of the strips by the closing end of the slider to prevent leakage through the reclosable fastener.
  • this structure is in the form of longitudinal slit structure 35a and 36a in each of the strips 35 and 36 at the left hand end of the zipper 30 where the slider 31 goes when the zipper is closed.
  • the slits 35a and 36a separate the tracks 39 and 40 from the rib and groove elements 37 and 38 and thus render the separator structure 3If of the slider ineffective in opening the rib and groove elements 37 and 38 at the closed end of the zipper.
  • the rib and groove 37 and 38 thus remain closed when the slider has been moved to the left hand end of the bag. This is best seen in Figs. 12 and 13.Alternative structure for separating the track structure 39 and 40 from the interlocking rib and groove elements 37 and 38 on the strips 35 and 36 is illustrated in Fig.
  • notch structure 35b and 36b has been provided in the respective strips 35 and 36.
  • the notch structure 35b and 36b separates the tracks 39 and 40 from the interlocking rib and groove element 37 and 38 at the one end of the pair of strips whereby when the slider 31 is moved in the fastener closing direction to that end of the strips the opening end 3Id at the slider 31 is ineffective on the track structure 39 and 40 to open the interlocking rib and groove elements 37 and 38 at that end of the strips 35 and 36 while the interlocking rib and groove elements 37 and 38 are closed throughout the length of the strips by the closing end 31e of the slider to prevent leakage through the reclosable fastener.
  • the plastic parts of the slider 31 may be molded from a plastic that can be ultrasonically welded such for example as nylon, polypropylene, polystyrene, Delran or ABS.
  • the bottom section of the slider 31 comprising the parts 31h and 31j may be ultrasonically welded to the top section or they may be provided with pins and openings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Slide Fasteners (AREA)

Abstract

Fermeture par accrochage ou à glissière (10) refermable, en plastique, hermétique, pourvue d'un curseur (11) adaptée en particulier aux sacs thermoplastiques (12). La fermeture à glissière (10) comprend une nervure d'accrochage refermable (17) et une rainure (18) qui sont des éléments profilés placés sur des bandes respectives, chacune desdites bandes comprenant une structure de glissement profilée (19, 20) s'étendant sur toute la longueur des bandes parallèlement à la nervure (17) et à la rainure (18). Un curseur (11) est positionné de manière à chevaucher les bandes pour fermer et ouvrir les éléments d'accrochage refermables. Le curseur (11) est composé de parois latérales dépendantes (11b, 11c) servant à maintenir entre elles la structure de glissement (19, 20), la nervure (17) et la rainure (18). Le curseur (11) comprend également une structure de séparation insérée dans la structure de glissement (19, 20) et non entre la nervure (17) et la rainure (18), ladite structure de séparation permettant d'ouvrir les éléments nervure (17), rainure (18). La structure de la fermeture à glissière (10) comprend une fente ou une encoche, située précisément à l'extrémité ou le curseur se trouve lorsque la fermeture à glissière (10) est fermée, permettant à la nervure (17) et à la rainure (18) de s'emboîter parfaitement pour former une fermeture hermétique.
PCT/US1991/002151 1991-05-13 1991-05-13 Fermeture a glissiere hermetique, pourvue d'un curseur WO1992020252A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US1991/002151 WO1992020252A1 (fr) 1991-05-13 1991-05-13 Fermeture a glissiere hermetique, pourvue d'un curseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1991/002151 WO1992020252A1 (fr) 1991-05-13 1991-05-13 Fermeture a glissiere hermetique, pourvue d'un curseur

Publications (1)

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WO1992020252A1 true WO1992020252A1 (fr) 1992-11-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722748A1 (de) * 1997-05-30 1998-12-03 Corovin Gmbh Schlaufenmaterial
ES2129307A1 (es) * 1996-01-11 1999-06-01 Flexico Comercial Sa Bolsa precintada y procedimiento para su fabricacion.
WO2002009549A1 (fr) * 2000-07-27 2002-02-07 The Glad Products Company Dispositif de fermeture
US6761481B1 (en) * 1998-06-17 2004-07-13 Flexico-France Bag comprising matching closing sections actuated by a slider
US7690090B2 (en) * 2006-12-06 2010-04-06 Illinois Tool Works Inc. One-sided rail slider for reclosable zipper

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054434A (en) * 1960-05-02 1962-09-18 Ausnit Bag closure
US3203062A (en) * 1962-09-07 1965-08-31 Ausnit Steven Double hinged fastener
US3220076A (en) * 1963-09-20 1965-11-30 Flexigrip Inc Slide fastener
US3259951A (en) * 1964-07-15 1966-07-12 Merle A Zimmerman Slide fastener
US3266112A (en) * 1964-05-14 1966-08-16 Thomas P Heckman Permanent magnet fastener
US3347298A (en) * 1965-10-07 1967-10-17 Minigrip Inc Flexible fastener with unidirectional opening
US3426396A (en) * 1967-03-07 1969-02-11 Leon Ker Laguerre Profiled strip slide fastener
US3443671A (en) * 1967-08-24 1969-05-13 Dyke Herbert G Expansible carrying case
US3462332A (en) * 1965-03-05 1969-08-19 High Polymer Chem Ind Ltd Method of continuously providing a fastener on a thermoplastic film
US3634913A (en) * 1970-04-01 1972-01-18 Steven Ausnit Hinged flexible strip closure
US3660875A (en) * 1968-04-29 1972-05-09 Minigrip Inc Slider for sliding clasp fastener
US3713923A (en) * 1968-02-26 1973-01-30 Minigrip Inc Method of assembling slider with a profiled strip separable fastener
US3790992A (en) * 1971-06-30 1974-02-12 Minigrip Inc Profiled closing members with slide
US3806998A (en) * 1971-02-22 1974-04-30 Minigrip Inc Elastically flexible fastener
US4736451A (en) * 1986-12-22 1988-04-05 Minigrip, Inc. Extruded zipper having combination stabilizing and differential opening means

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054434A (en) * 1960-05-02 1962-09-18 Ausnit Bag closure
US3203062A (en) * 1962-09-07 1965-08-31 Ausnit Steven Double hinged fastener
US3220076A (en) * 1963-09-20 1965-11-30 Flexigrip Inc Slide fastener
US3266112A (en) * 1964-05-14 1966-08-16 Thomas P Heckman Permanent magnet fastener
US3259951A (en) * 1964-07-15 1966-07-12 Merle A Zimmerman Slide fastener
US3462332A (en) * 1965-03-05 1969-08-19 High Polymer Chem Ind Ltd Method of continuously providing a fastener on a thermoplastic film
US3347298A (en) * 1965-10-07 1967-10-17 Minigrip Inc Flexible fastener with unidirectional opening
US3426396A (en) * 1967-03-07 1969-02-11 Leon Ker Laguerre Profiled strip slide fastener
US3443671A (en) * 1967-08-24 1969-05-13 Dyke Herbert G Expansible carrying case
US3713923A (en) * 1968-02-26 1973-01-30 Minigrip Inc Method of assembling slider with a profiled strip separable fastener
US3660875A (en) * 1968-04-29 1972-05-09 Minigrip Inc Slider for sliding clasp fastener
US3634913A (en) * 1970-04-01 1972-01-18 Steven Ausnit Hinged flexible strip closure
US3806998A (en) * 1971-02-22 1974-04-30 Minigrip Inc Elastically flexible fastener
US3790992A (en) * 1971-06-30 1974-02-12 Minigrip Inc Profiled closing members with slide
US4736451A (en) * 1986-12-22 1988-04-05 Minigrip, Inc. Extruded zipper having combination stabilizing and differential opening means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2129307A1 (es) * 1996-01-11 1999-06-01 Flexico Comercial Sa Bolsa precintada y procedimiento para su fabricacion.
DE19722748A1 (de) * 1997-05-30 1998-12-03 Corovin Gmbh Schlaufenmaterial
US6761481B1 (en) * 1998-06-17 2004-07-13 Flexico-France Bag comprising matching closing sections actuated by a slider
WO2002009549A1 (fr) * 2000-07-27 2002-02-07 The Glad Products Company Dispositif de fermeture
US7690090B2 (en) * 2006-12-06 2010-04-06 Illinois Tool Works Inc. One-sided rail slider for reclosable zipper

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