EP2050684A2 - Gleitstückanschlag für wiederverschließbaren Kunststoffbeutel und wiederverschließbarer Kunststoffbeutel mit diesem Anschlag - Google Patents

Gleitstückanschlag für wiederverschließbaren Kunststoffbeutel und wiederverschließbarer Kunststoffbeutel mit diesem Anschlag Download PDF

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Publication number
EP2050684A2
EP2050684A2 EP08105561A EP08105561A EP2050684A2 EP 2050684 A2 EP2050684 A2 EP 2050684A2 EP 08105561 A EP08105561 A EP 08105561A EP 08105561 A EP08105561 A EP 08105561A EP 2050684 A2 EP2050684 A2 EP 2050684A2
Authority
EP
European Patent Office
Prior art keywords
plastic bag
zipper
film
reclosable plastic
slider
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.)
Withdrawn
Application number
EP08105561A
Other languages
English (en)
French (fr)
Other versions
EP2050684A3 (de
Inventor
Chang Ho Kim
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.)
Lock and Lock Co Ltd
Original Assignee
Lock and Lock Co Ltd
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 Lock and Lock Co Ltd filed Critical Lock and Lock Co Ltd
Publication of EP2050684A2 publication Critical patent/EP2050684A2/de
Publication of EP2050684A3 publication Critical patent/EP2050684A3/de
Withdrawn legal-status Critical Current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
    • 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
    • B65D33/2589—Bag or slide fastener details cooperating with the slider, e.g. details for removing or installing the slider
    • B65D33/259—End stops
    • 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
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2561—Slider having specific configuration, construction, adaptation, or material
    • Y10T24/2582—Slider having specific configuration, construction, adaptation, or material having specific contour or arrangement of converging channel, separator island, or wing
    • 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
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2598—Zipper or required component thereof including means for obstructing movement of slider

Definitions

  • the present invention relates to a slider end stop for a reclosable plastic bag and a reclosable plastic bag having the same. More particularly, the present invention relates to a slider end stop for a reclosable plastic bag, which has a through-hole at the center and attached, such as rivet connection.
  • Plastic bags have been widely used in houses and commerce. In particular, plastic bags are frequently used for food storage or packing. Some of the plastic bags have zippers or fasteners at the upper portions to be repeatedly opened and closed. The zippers and fasteners close the upper portion of the plastic bags by engaging two sides. Currently, various types of zippers or fasteners have been proposed.
  • U.S Patent No. 5067208 discloses a configuration that prevents a slider from separating by having an end clamp formed of a strap member covering a zipper.
  • a rivet-shaped member is provided to a side of the strap of the end clamp and an opening is formed at the other end, such that a rivet-shaped member is connected to the opening with the strap folded, in which the end clamp is attached to the plastic bag.
  • this configuration has a problem in that the configuration of the end clamp is complicated. Further, the end clamp is exposed to the outside at the upper portion of the plastic bag, thereby negating the aesthetic appearance. Meanwhile, there is a problem in that the configuration of the slider disclosed in the above Patent is complicated.
  • an end stop formed by deforming a part of the upper portion of a plastic bag using ultrasonic wave or heat and a method of manufacturing the same are disclosed in Korean Patent Publication No. 10-2004-0031660 (published on April 13, 2004 , same as U.S Patent Publication No. 2004/0066985 ).
  • a large number of technologies that form an end stop using heat have been disclosed, other than the above Patent Publication.
  • the configuration of the end stop since the upper portion of a plastic bag is deformed, the aesthetic appearance is detracted. Further, because a heating process is required, manufacturing is inconvenient.
  • end stoppers in the related art are limited in that their only function is to prevent the sliders from separating and they do not have other functions. Meanwhile, there is a problem in that the configurations of the sliders in the related art are complicated and manufacturing the sliders is difficult.
  • an object of the present invention to provide an end stop having flange-shaped end stop that prevents a slider, which engages a zipper, from separating from ends of the zipper by being inserted in an insertion hole formed through a first film and a second film of a plastic bag, and a through-hole at the center, and a reclosable plastic bag having the end stop.
  • the reclosable plastic bag includes: a first film and a second film of which both sides and lower sides adhere to each other and the combined upper side is open; a zipper including a first zipper and a second zipper that are provided on the insides of the upper sides of the first film and second film and engaged with each other; a slider engaging the first zipper with the second zipper, sliding on the zipper; and end stops of which both ends are formed in flange shapes and that each have a through-hole at the center to prevent the slider from separating from the ends of the zipper by being fitted in insertion holes formed through the first film and the second film.
  • the end stop has a body having the through hole and a flange protruding outside from an end of the body, and is fitted in the insertion hole by inserting the body into the insertion hole and then deforming the other end of the body, such as rivet connection.
  • the insertion hole may be formed at end stop fitting portions of the first film and second film adhering to each other.
  • the slider has a first side wall and a second side wall of which ends are connected to be open at a side, and a first curved portion and a second curved portion corresponding to the protruding zipper are respectively formed on the insides of the first side wall and the second side wall.
  • a first locking protrusion and a second locking protrusion are formed under the first curved portion and the second curved portion of the first side wall and the second side wall of the slider to prevent the slider to separating upward from the zipper.
  • At least any one of the first side wall and the second side wall of the slider has an end stop fitting hole where the end stop is fitted.
  • At least any one of the first side wall and the second side wall of the slider has an operation protrusion on the outside.
  • the reclosable plastic bag may further include a vacuum valve to vacuum the inside of the plastic bag.
  • the vacuum valve includes: a lower body including a fusion plate attached to the inside of any one of the first film and the second film and a circular protrusion protruding up from the fusion plate and exposed outside of the film; a rubber packing disposed inside the lower body and functions as a valve; and an upper body including a rim fitted on the outside of the circular protrusion, a cover having a cap fitted on the inner circumference of the circular protrusion, and a connecting strap connecting the rim with the cover.
  • a slider end stop that can be simply achieved is provided.
  • the end stop has an advantage of connecting a rope because it has a through-hole at the center.
  • FIG. 1 is a perspective view of a reclosable plastic bag having end stops according to a preferred embodiment of the invention.
  • a plastic bag according to the invention includes a first film 12 and a second film 14 that are formed of plastic and adhered to each other with the combined upper side open, a zipper 20 including a first zipper 20a and a second zipper 20b and the open portion of the first film 12 and the second film 14, a slider 30 closing the zipper 20, and end stops 40a, 40b preventing the slider 30 from separating from the ends of the zipper 20.
  • the first film 12 and the second film 14 adhere to each other at the left and right sides by side adhering portions 16a, 16b, and the lower sides adhere to each other by lower adhering portions 18, thereby forming a bag.
  • the first film 12 and the second film 14 may be formed of polypropylene, polyethylene, polystyrene, polycarbonate, polyester, polyacetal, or a combination including one or two or more of them.
  • the first zipper 20a and the second zipper 20b are provided on the inside of the upper sides of the first film 12 and the second film 14.
  • Each of the first zipper 20a and the second zipper 20b has projections and grooves (not shown), such that the projections and the grooves are correspondingly engaged.
  • the upper side of a plastic bag 10 can be closed by engaging the first zipper 20a with the second zipper 20b.
  • the first zipper 20a and the second zipper 20b are attached slightly lower than the upper end of the first film 12 and the second film 14, such that a small extension 22 remains above the zipper 20.
  • the slider 30 is disposed to cover the extension 22 of the plastic bag 10 and the front and rear sides of the zipper 20.
  • the slider 30 may be formed in a U-shape with a side open and inserted from the above of the plastic bag 10.
  • the slider 30 can move, such that first zipper 20a and the second zipper 20b are engaged by moving the slider 30 on the zipper 20 while pressing the front and rear sides of the slider with a hand.
  • the end stops 40a, 40b are provided to both ends of the extension 22.
  • the end stops 40a, 40b are attached to both ends of the extension 22, such as rivet.
  • the side adhering portions 16a, 16b extend to the extension 22 to form end stop joints 24a, 24b.
  • FIG. 2 is a perspective view illustrating attaching end stop members to the reclosable plastic bag according to a preferred embodiment of the invention
  • FIG. 3 is a cross-sectional view of the end stop members that are attached to the reclosable plastic bag according to a preferred embodiment of the invention
  • FIG. 4 is a view illustrating forming an end stop by attaching the end stop member to the reclosable plastic bag according to a preferred embodiment of the invention.
  • the members for the end stops 40a, 40b each have a hollow pipe-shaped body 44 and a flange 46 radially protruding from the upper side of the body 44.
  • the members for the end stops 40a, 40b may be formed of the same material as the material of the first film 12 and the second film 14.
  • insertion holes 42a where the members for the end stops 40a, 40b are formed through the upper portion of the ends of the zipper 20.
  • the member for the end stop 40a is fitted in the insertion hole 42a by inserting the member for the end stop 40a into the insertion hole 42a and then pressing the lower side of the body 44 with a second anvil 48b while supporting the upper side of the flange with a first anvil 48a, thereby forming the end stop 40a.
  • This process is similar to fitting a rivet into plates overlapping.
  • both ends, which are exposed to the outside, of each of the end stops 40a, 40b fitted in the insertion holes 42a are formed in circular flange shapes, which can be considered to be connected with the hollow bodies 44.
  • the slider 30 that is suitable to the end stops 40a, 40b of the plastic bag 10 according to a preferred embodiment of the invention is described next.
  • FIG. 5 is a perspective view of the slider for a reclosable plastic bag according to a preferred embodiment of the invention and FIG. 6 is a side view of the slider for a reclosable plastic bag according to a preferred embodiment of the invention.
  • the slider 30 is formed in a U-shape with a first side wall 32a and a second side wall 32b of which ends are connected. The following description is provided on the assumption that the connection of the first side wall 32a and the second side wall 32b of the slider is the upper side and the open side is the lower side.
  • a first end stop locking groove 34a is formed on the inside of the first side wall 32a and a first curved portion 38a corresponding to the first zipper 20a protruding outside is formed under the first end stop locking groove 34a. Further, a first locking protrusion 36a is formed under the first curved portion 38a on the firs side wall 32a to prevent the slider 30 from separating upward from the zipper 20. Similarly, a second end stop locking groove 34b, a second curved portion 38b, and a second locking protrusion 36b are formed on the second side wall 32b. It is preferable that the pairs of the first and second end stop locking grooves 34a, 34b are formed at left and right sides on the first side wall 32a and the second side wall 32b, respectively. The first and second end stop locking grooves 34a, 34b may be preferably formed in semicircular shapes, corresponding to the end stops 40a, 40b.
  • the slider 30 is attached on the upper side of the plastic bag 10 such that the zipper 20 is disposed between the first curved portion 38a and the second curved portion 38b. Therefore, the slider cannot be easily separated from the zipper 20. Further, the locking protrusions 36a, 36b provided at the lower side on the insides of the slider 30 additionally prevent the slider 30 from separating from the zipper 20.
  • first and second operation protrusions 39a, 39b protrude from the outsides of the first side wall 32a and the second side wall 32b to allow a user to easily move the slider to the left and right.
  • FIG. 7 is a perspective view illustrating the slider stopped by an end stop, in the reclosable plastic bag according to a preferred embodiment of the invention.
  • FIG. 8 is a view showing an example of attaching a rope to the end stops of the reclosable plastic bag according to a preferred embodiment of the invention.
  • the end stops 40a, 40b preferably have through-holes and are attached to the upper side of the plastic bag, such rivet connection.
  • a rope 49 can be inserted in the through-holes in the end stops 40a, 40b. Accordingly, the user can easily carry or hang the plastic bag 10 by connecting the rope 49 to the plastic bag 10.
  • FIG. 9 is a perspective view of a reclosable plastic bag equipped with a vacuum valve
  • FIG. 10 is an exploded perspective view of the vacuum valve
  • FIG. 11 is an assembly view of the vacuum valve.
  • the vacuum valve 50 is equipped to any one of the first film 12 and the second film 20 of a plastic bag 10, and functions as a one-way valve.
  • the vacuum valve includes a lower body 52, a rubber packing 60, and an upper body 66.
  • the lower body 50 includes a fusion plate 54 and a circular protrusion 56 protruding up from the fusion plate 54 adheres to the inside of the film (12 or 14) of the plastic bag 10 and the circular protrusion 56 protrudes outside from the inside of the film (12 or 14).
  • the rubber packing 60 includes a contact plate 60, a conical protrusion 64, and a connecting bar 64.
  • the rubber packing 60 is combined with the lower body 50.
  • the upper body 99 includes a doughnut-shaped rim 68, a cover 72, and a connecting strap 74 connecting the rim 68 with the cover 72.
  • the rim 68 is fitted on the outer circumference of the circular protrusion 56. It is preferable that the rim 68 is force-fitted to the circular protrusion 56 to prevent the rim 68 from separating after being fitted.
  • the cover 72 has a circular cap 70 that protrudes to ensure sealing the vacuum valve 50 by being attaching to the inner circumference of the circular protrusion 56. Further, the cover 72 has a protruding handle 73.
  • the lower body 52 is attached to the inside of the film (12 or 14) and then the upper body 66 can be easily combined with the lower body 52 from the outside of the film (12 or 14).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
EP08105561A 2007-10-19 2008-10-13 Gleitstückanschlag für wiederverschließbaren Kunststoffbeutel und wiederverschließbarer Kunststoffbeutel mit diesem Anschlag Withdrawn EP2050684A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070105598A KR100953680B1 (ko) 2007-10-19 2007-10-19 재밀폐가능한 플라스틱 백

Publications (2)

Publication Number Publication Date
EP2050684A2 true EP2050684A2 (de) 2009-04-22
EP2050684A3 EP2050684A3 (de) 2009-05-06

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EP08105561A Withdrawn EP2050684A3 (de) 2007-10-19 2008-10-13 Gleitstückanschlag für wiederverschließbaren Kunststoffbeutel und wiederverschließbarer Kunststoffbeutel mit diesem Anschlag

Country Status (4)

Country Link
US (1) US20090100650A1 (de)
EP (1) EP2050684A3 (de)
KR (1) KR100953680B1 (de)
CN (1) CN101412449A (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2020257305A1 (en) * 2019-06-21 2020-12-24 Reynolds Presto Products Inc. Slider device, zipper closure system, and methods of use

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US10065387B2 (en) * 2010-10-27 2018-09-04 S. C. Johnson & Son, Inc. Reclosable pouch with leakproof closure and method of manufacture
US10442577B2 (en) 2010-10-27 2019-10-15 S.C. Johnson & Son, Inc. Reclosable pouch with leakproof closure and method of manufacture
CN102328775A (zh) * 2011-06-16 2012-01-25 刘旭 一种调料包装袋
CN103271519B (zh) * 2013-05-24 2016-06-15 宁波新邦工具有限公司 一种档案袋的封口拉扣
WO2015035425A1 (en) * 2013-09-09 2015-03-12 GE Lighting Solutions, LLC Enhanced color-preference light sources
CN204896148U (zh) * 2014-11-24 2015-12-23 李德玮 一种封口夹
USD843112S1 (en) * 2016-12-16 2019-03-19 Pouch Pac Innovations, Llc Multi-compartment pouch
KR102205748B1 (ko) * 2018-10-22 2021-01-22 주식회사 지아이엘 의류보호커버
KR20210072237A (ko) 2019-12-09 2021-06-17 김성아 지퍼백을 활용한 앨범형 귀걸이 보관함
CN110810387B (zh) * 2019-12-17 2021-06-25 台州市斯佩雷尔植保机械有限公司 一种背携式农药喷洒设备
CN111717534B (zh) * 2020-06-22 2024-11-08 长沙银腾塑印包装有限公司 一种高阻隔可回收循环利用的包装产品

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
WO2020257305A1 (en) * 2019-06-21 2020-12-24 Reynolds Presto Products Inc. Slider device, zipper closure system, and methods of use
US11077989B2 (en) 2019-06-21 2021-08-03 Reynolds Presto Products Inc. Slider device, zipper closure system, and methods of use
KR20220029671A (ko) * 2019-06-21 2022-03-08 레이놀즈 프레스토 프로덕츠 인크. 슬라이더 장치, 지퍼 클로저 시스템, 및 사용 방법
JP2022537583A (ja) * 2019-06-21 2022-08-26 レイノルズ・プレスト・プロダクツ・インコーポレイテッド スライダデバイス、ジッパクロージャシステム、および使用方法
AU2020297447B2 (en) * 2019-06-21 2023-03-30 Reynolds Presto Products Inc. Slider device, zipper closure system, and methods of use
AU2020297447C1 (en) * 2019-06-21 2023-07-20 Reynolds Presto Products Inc. Slider device, zipper closure system, and methods of use
IL289215B1 (en) * 2019-06-21 2024-10-01 Reynolds Presto Products Inc Slider device, zipper closure system, and methods of use
IL289215B2 (en) * 2019-06-21 2025-02-01 Reynolds Presto Products Inc Slider device, zipper closure system and method of use

Also Published As

Publication number Publication date
EP2050684A3 (de) 2009-05-06
KR20090040037A (ko) 2009-04-23
US20090100650A1 (en) 2009-04-23
KR100953680B1 (ko) 2010-04-20
CN101412449A (zh) 2009-04-22

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