SE0100346L - Method and apparatus for manufacturing bags for evacuation of air - Google Patents

Method and apparatus for manufacturing bags for evacuation of air

Info

Publication number
SE0100346L
SE0100346L SE0100346A SE0100346A SE0100346L SE 0100346 L SE0100346 L SE 0100346L SE 0100346 A SE0100346 A SE 0100346A SE 0100346 A SE0100346 A SE 0100346A SE 0100346 L SE0100346 L SE 0100346L
Authority
SE
Sweden
Prior art keywords
air
evacuation
manufacturing bags
bags
manufacturing
Prior art date
Application number
SE0100346A
Other languages
Swedish (sv)
Other versions
SE0100346D0 (en
SE517933C2 (en
Inventor
Peter Ramberg
Original Assignee
Jonsac Ab
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 Jonsac Ab filed Critical Jonsac Ab
Priority to SE0100346A priority Critical patent/SE517933C2/en
Publication of SE0100346D0 publication Critical patent/SE0100346D0/en
Publication of SE0100346L publication Critical patent/SE0100346L/en
Publication of SE517933C2 publication Critical patent/SE517933C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B1/64—
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Bag Frames (AREA)

Abstract

The inner sack (10) is sealed at the bottom with two welded joints (8, 9) that define an air removal channel (12) in between. The channel ends (11, 13) are in communication with the inside of the inner sack and the air outside.
SE0100346A 2001-02-05 2001-02-05 Double walled industrial sack comprising inner plastic and outer paper layers, has channel for removing air from inner sack formed by two welded joints SE517933C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE0100346A SE517933C2 (en) 2001-02-05 2001-02-05 Double walled industrial sack comprising inner plastic and outer paper layers, has channel for removing air from inner sack formed by two welded joints

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0100346A SE517933C2 (en) 2001-02-05 2001-02-05 Double walled industrial sack comprising inner plastic and outer paper layers, has channel for removing air from inner sack formed by two welded joints

Publications (3)

Publication Number Publication Date
SE0100346D0 SE0100346D0 (en) 2001-02-05
SE0100346L true SE0100346L (en) 2002-08-06
SE517933C2 SE517933C2 (en) 2002-08-06

Family

ID=20282844

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0100346A SE517933C2 (en) 2001-02-05 2001-02-05 Double walled industrial sack comprising inner plastic and outer paper layers, has channel for removing air from inner sack formed by two welded joints

Country Status (1)

Country Link
SE (1) SE517933C2 (en)

Also Published As

Publication number Publication date
SE0100346D0 (en) 2001-02-05
SE517933C2 (en) 2002-08-06

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Legal Events

Date Code Title Description
NUG Patent has lapsed