ES462801A1 - Traverse bottom structure of bag - Google Patents

Traverse bottom structure of bag

Info

Publication number
ES462801A1
ES462801A1 ES462801A ES462801A ES462801A1 ES 462801 A1 ES462801 A1 ES 462801A1 ES 462801 A ES462801 A ES 462801A ES 462801 A ES462801 A ES 462801A ES 462801 A1 ES462801 A1 ES 462801A1
Authority
ES
Spain
Prior art keywords
bag
sides
flanges
triangular pieces
separate piece
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
Application number
ES462801A
Other languages
Spanish (es)
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of ES462801A1 publication Critical patent/ES462801A1/en
Expired legal-status Critical Current

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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)

Abstract

The ends of the flattened tube that is to form the plastic bag are first turned outwards, forming flanges at the sides connected by turned-under triangular pieces at the ends. A separate piece of plastic is laid across the flanges, overlapping them on both sides, and is welded to them and to the triangular pieces. The overhanging sides of the added piece are now folded over, near the weld line, to overlap each other, and are welded together, pref. at an off-centre position. Compared to the previous method, in which the bottom of the bag was formed entirely by folding the tube, without the addition of a separate piece, the present method saves material.
ES462801A 1976-10-01 1977-09-30 Traverse bottom structure of bag Expired ES462801A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762644546 DE2644546A1 (en) 1976-10-01 1976-10-01 CROSS BOTTOM OF A SACK MADE FROM A SECTION OF TUBE

Publications (1)

Publication Number Publication Date
ES462801A1 true ES462801A1 (en) 1978-06-16

Family

ID=5989504

Family Applications (1)

Application Number Title Priority Date Filing Date
ES462801A Expired ES462801A1 (en) 1976-10-01 1977-09-30 Traverse bottom structure of bag

Country Status (6)

Country Link
JP (1) JPS5344271A (en)
BR (1) BR7706542A (en)
DE (1) DE2644546A1 (en)
ES (1) ES462801A1 (en)
FR (1) FR2366176A1 (en)
IT (1) IT1087412B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526565A (en) * 1983-02-23 1985-07-02 Linear Films, Inc. Method of making flat bottom plastic bag
DE8337443U1 (en) * 1983-12-28 1984-02-02 Bischof Und Klein Gmbh & Co, 4540 Lengerich Valve bag made of plastic film
DE202009007915U1 (en) 2009-06-05 2009-08-20 Worff, Herwig, Dipl.-Ing. bag

Also Published As

Publication number Publication date
FR2366176A1 (en) 1978-04-28
JPS5344271A (en) 1978-04-20
IT1087412B (en) 1985-06-04
BR7706542A (en) 1978-04-18
DE2644546A1 (en) 1978-04-06

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