GB1525397A - Method of producing bags of plastics film material - Google Patents
Method of producing bags of plastics film materialInfo
- Publication number
- GB1525397A GB1525397A GB4419975A GB4419975A GB1525397A GB 1525397 A GB1525397 A GB 1525397A GB 4419975 A GB4419975 A GB 4419975A GB 4419975 A GB4419975 A GB 4419975A GB 1525397 A GB1525397 A GB 1525397A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bags
- plastics film
- film material
- valve
- oct
- 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
1525397 Valve bags WAVIN BV 27 Oct 1975 [30 Oct 1974] 44199/75 Heading B8K [Also in Division B5] A valve bag which may be one of a plurality of interconnected bags, comprises an outfolded side gusset portion 5<SP>1</SP>, 6<SP>1</SP> and a valve tube 11 which is sealed to said gusset portion and the remainder of the bag body. The interconnected bags are formed from a continuous, web of flattened tubular plastics film and are connected to one another by perforations extending between and parallel to top and bottom seals of adjacent bags. The perforations may be provided in both layers of the tubular film or in only one of the layers, the other layer being cut through continuously.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7414208A NL7414208A (en) | 1974-10-30 | 1974-10-30 | PROCESS FOR THE MANUFACTURE OF BAGS FROM PLASTIC MATERIAL. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1525397A true GB1525397A (en) | 1978-09-20 |
Family
ID=19822362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4419975A Expired GB1525397A (en) | 1974-10-30 | 1975-10-27 | Method of producing bags of plastics film material |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2548091A1 (en) |
GB (1) | GB1525397A (en) |
NL (1) | NL7414208A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2832256A1 (en) * | 1978-07-22 | 1980-01-31 | Bischof & Klein | SIDE FOLDING BAG MADE OF FOLDABLE MATERIAL AND METHOD FOR THE PRODUCTION THEREOF |
NL7903733A (en) * | 1979-05-11 | 1980-11-13 | Wavin Bv | METHOD FOR MANUFACTURING A TRACK OF PLASTIC BAGS WITH TWO BLOCK BOTTOMS |
EP0160725A1 (en) * | 1984-05-10 | 1985-11-13 | Walter Dürbeck Papiersackfabriken GmbH & Co. KG | Valve bags and apparatus and process for sealing valve bags |
-
1974
- 1974-10-30 NL NL7414208A patent/NL7414208A/en not_active Application Discontinuation
-
1975
- 1975-10-27 GB GB4419975A patent/GB1525397A/en not_active Expired
- 1975-10-28 DE DE19752548091 patent/DE2548091A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2548091A1 (en) | 1976-05-06 |
NL7414208A (en) | 1976-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |