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)

Publications (1)

Family

ID=8603799

Family Applications (1)

Country Status (5)

• 1966
  • 1966-03-15 FR FR53463A patent/FR1482062A/en not_active Expired
• 1967
  • 1967-03-07 CH CH332467A patent/CH450135A/en unknown
  • 1967-03-07 NL NL6703576A patent/NL6703576A/xx unknown
  • 1967-03-08 BE BE695189D patent/BE695189A/xx unknown
  • 1967-03-09 ES ES337790A patent/ES337790A1/en not_active Expired

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