ES462801A1 - Traverse bottom structure of bag - Google Patents
Traverse bottom structure of bagInfo
- 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
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.
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)
| 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 |
-
1976
- 1976-10-01 DE DE19762644546 patent/DE2644546A1/en active Pending
-
1977
- 1977-09-26 JP JP11545677A patent/JPS5344271A/en active Pending
- 1977-09-27 FR FR7728993A patent/FR2366176A1/en not_active Withdrawn
- 1977-09-29 IT IT2809777A patent/IT1087412B/en active
- 1977-09-30 ES ES462801A patent/ES462801A1/en not_active Expired
- 1977-09-30 BR BR7706542A patent/BR7706542A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5344271A (en) | 1978-04-20 |
| FR2366176A1 (en) | 1978-04-28 |
| IT1087412B (en) | 1985-06-04 |
| BR7706542A (en) | 1978-04-18 |
| DE2644546A1 (en) | 1978-04-06 |
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