CH450135A - Procédé de fabrication d'un sac à valve - Google Patents
Procédé de fabrication d'un sac à valveInfo
- Publication number
- CH450135A CH450135A CH332467A CH332467A CH450135A CH 450135 A CH450135 A CH 450135A CH 332467 A CH332467 A CH 332467A CH 332467 A CH332467 A CH 332467A CH 450135 A CH450135 A CH 450135A
- Authority
- CH
- Switzerland
- Prior art keywords
- valve
- sleeve
- deformation
- bag
- opening
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- -1 for example Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- B65D31/147—Valve bags, i.e. with valves for filling the filling port being provided in a side wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
-
- 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
-
- 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
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
- B31B70/855—Forming valves integral with the containers
- B31B70/857—Forming valves integral with the containers by deforming the bag, e.g. stretching
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Bag Frames (AREA)
- Making Paper Articles (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR53463A FR1482062A (fr) | 1966-03-15 | 1966-03-15 | Sac à valve et son procédé de fabrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH450135A true CH450135A (fr) | 1968-01-15 |
Family
ID=8603799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH332467A CH450135A (fr) | 1966-03-15 | 1967-03-07 | Procédé de fabrication d'un sac à valve |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE695189A (pm) |
| CH (1) | CH450135A (pm) |
| ES (1) | ES337790A1 (pm) |
| FR (1) | FR1482062A (pm) |
| NL (1) | NL6703576A (pm) |
-
1966
- 1966-03-15 FR FR53463A patent/FR1482062A/fr not_active Expired
-
1967
- 1967-03-07 NL NL6703576A patent/NL6703576A/xx unknown
- 1967-03-07 CH CH332467A patent/CH450135A/fr unknown
- 1967-03-08 BE BE695189D patent/BE695189A/xx unknown
- 1967-03-09 ES ES337790A patent/ES337790A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1482062A (fr) | 1967-05-26 |
| ES337790A1 (es) | 1968-03-01 |
| BE695189A (pm) | 1967-08-14 |
| NL6703576A (pm) | 1967-09-18 |
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