CA2385702A1 - Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener - Google Patents

Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener Download PDF

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Publication number
CA2385702A1
CA2385702A1 CA002385702A CA2385702A CA2385702A1 CA 2385702 A1 CA2385702 A1 CA 2385702A1 CA 002385702 A CA002385702 A CA 002385702A CA 2385702 A CA2385702 A CA 2385702A CA 2385702 A1 CA2385702 A1 CA 2385702A1
Authority
CA
Canada
Prior art keywords
web
fastener
plastic bags
reclosable plastic
bags
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.)
Granted
Application number
CA002385702A
Other languages
French (fr)
Other versions
CA2385702C (en
Inventor
William Mark Dutt
Toby R. Thomas
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.)
Reynolds Presto Products Inc
Original Assignee
Pactiv Corporation
William Mark Dutt
Toby R. Thomas
Pactiv LLC
Reynolds Consumer Products Inc.
Reynolds Presto Products 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24554285&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2385702(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pactiv Corporation, William Mark Dutt, Toby R. Thomas, Pactiv LLC, Reynolds Consumer Products Inc., Reynolds Presto Products Inc. filed Critical Pactiv Corporation
Publication of CA2385702A1 publication Critical patent/CA2385702A1/en
Application granted granted Critical
Publication of CA2385702C publication Critical patent/CA2385702C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/08—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
    • B65B9/093—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/207—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49782—Method of mechanical manufacture of a slide fastener

Abstract

A method and apparatus for making reclosable plastic bags is provided. In the method and apparatus, a fastener (10) is attached to a moving flat web of plastic film (50), preferably in the direction of web movement and near the center of the web. A
plurality of sliders (40) are mounted to the fastener either before or after the fastener is attached to the flat web, but prior to conveying the web to a FFS machine. The flat web, with the slider-operated fastener already attached thereto, is then conveyed to a vertical or horizontal FFS machine where the flat web is formed into bags (80), and the bags are successively filled (81) and sealed (84).
CA002385702A 2000-08-10 2001-07-30 Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener Expired - Lifetime CA2385702C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/637,038 US6871473B1 (en) 2000-08-10 2000-08-10 Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener
US09/637,038 2000-08-10
PCT/US2001/041463 WO2002012064A1 (en) 2000-08-10 2001-07-30 Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener

Publications (2)

Publication Number Publication Date
CA2385702A1 true CA2385702A1 (en) 2002-02-14
CA2385702C CA2385702C (en) 2007-06-05

Family

ID=24554285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002385702A Expired - Lifetime CA2385702C (en) 2000-08-10 2001-07-30 Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener

Country Status (9)

Country Link
US (2) US6871473B1 (en)
EP (1) EP1309487B1 (en)
JP (1) JP5002789B2 (en)
AT (1) ATE449004T1 (en)
AU (1) AU7728201A (en)
CA (1) CA2385702C (en)
DE (1) DE60140547D1 (en)
ES (1) ES2335085T3 (en)
WO (1) WO2002012064A1 (en)

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ATE449004T1 (en) 2009-12-15
EP1309487A1 (en) 2003-05-14
EP1309487B1 (en) 2009-11-18
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US20050086911A1 (en) 2005-04-28
US7093409B2 (en) 2006-08-22
US6871473B1 (en) 2005-03-29
EP1309487A4 (en) 2005-01-05
ES2335085T3 (en) 2010-03-22
DE60140547D1 (en) 2009-12-31
JP5002789B2 (en) 2012-08-15
JP2004505807A (en) 2004-02-26
CA2385702C (en) 2007-06-05

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