IT967544B - Sacco a valvola con fondo ripiega to costituito da un involucro esterno ad uno o piu strati di car ta e da un involucro interno in pellicola di plastica e procedimen to per la produzione del medesimo - Google Patents

Sacco a valvola con fondo ripiega to costituito da un involucro esterno ad uno o piu strati di car ta e da un involucro interno in pellicola di plastica e procedimen to per la produzione del medesimo

Info

Publication number
IT967544B
IT967544B IT2926272A IT2926272A IT967544B IT 967544 B IT967544 B IT 967544B IT 2926272 A IT2926272 A IT 2926272A IT 2926272 A IT2926272 A IT 2926272A IT 967544 B IT967544 B IT 967544B
Authority
IT
Italy
Prior art keywords
procedure
production
plastic film
same
paper layers
Prior art date
Application number
IT2926272A
Other languages
English (en)
Italian (it)
Original Assignee
Windmoeller & Hoelscher
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 & Hoelscher filed Critical Windmoeller & Hoelscher
Application granted granted Critical
Publication of IT967544B publication Critical patent/IT967544B/it

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)
IT2926272A 1971-11-06 1972-09-15 Sacco a valvola con fondo ripiega to costituito da un involucro esterno ad uno o piu strati di car ta e da un involucro interno in pellicola di plastica e procedimen to per la produzione del medesimo IT967544B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712155265 DE2155265C3 (de) 1971-11-06 1971-11-06 Ventilsack mit gefalteten Böden aus einem ein- oder mehrlagigen Außensack aus Papier und einem Innensack aus Kunststoffolie und Verfahren zum Herstellen desselben

Publications (1)

Publication Number Publication Date
IT967544B true IT967544B (it) 1974-03-11

Family

ID=5824425

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2926272A IT967544B (it) 1971-11-06 1972-09-15 Sacco a valvola con fondo ripiega to costituito da un involucro esterno ad uno o piu strati di car ta e da un involucro interno in pellicola di plastica e procedimen to per la produzione del medesimo

Country Status (6)

Country Link
JP (1) JPS4857767A (en:Method)
DE (1) DE2155265C3 (en:Method)
FI (1) FI55974C (en:Method)
FR (1) FR2158476B1 (en:Method)
GB (1) GB1410932A (en:Method)
IT (1) IT967544B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3202032C2 (de) * 1982-01-22 1985-10-10 Reuther Verpackung GmbH, 5450 Neuwied Einseitig offener mehrlagiger Beutel zur Aufnahme pulverförmiger Füllgüter
DE202018102878U1 (de) * 2018-05-23 2019-08-29 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh Mehrlagiger Sack

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924849C (de) * 1944-12-09 1955-03-07 St Regis Paper Co Mehrwandiger Sack aus Papier od. dgl.

Also Published As

Publication number Publication date
DE2155265C3 (de) 1974-05-16
GB1410932A (en) 1975-10-22
DE2155265A1 (de) 1973-05-10
JPS4857767A (en:Method) 1973-08-14
FR2158476A1 (en:Method) 1973-06-15
FI55974C (fi) 1979-11-12
FR2158476B1 (en:Method) 1975-11-07
FI55974B (fi) 1979-07-31
DE2155265B2 (de) 1973-10-25

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