US3186627A - Bag valve - Google Patents

Bag valve Download PDF

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Publication number
US3186627A
US3186627A US221783A US22178362A US3186627A US 3186627 A US3186627 A US 3186627A US 221783 A US221783 A US 221783A US 22178362 A US22178362 A US 22178362A US 3186627 A US3186627 A US 3186627A
Authority
US
United States
Prior art keywords
tube
bag
opening
filling
edge
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 - Lifetime
Application number
US221783A
Other languages
English (en)
Inventor
Evenblij Johan Carl Julius
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DUTCH CO POLYPRESS NV
Original Assignee
DUTCH CO POLYPRESS NV
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 DUTCH CO POLYPRESS NV filed Critical DUTCH CO POLYPRESS NV
Application granted granted Critical
Publication of US3186627A publication Critical patent/US3186627A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D31/145—Valve bags, i.e. with valves for filling the filling port being provided in a flat upper sealing-edge
US221783A 1961-09-07 1962-09-06 Bag valve Expired - Lifetime US3186627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL269052 1961-09-07

Publications (1)

Publication Number Publication Date
US3186627A true US3186627A (en) 1965-06-01

Family

ID=19753269

Family Applications (1)

Application Number Title Priority Date Filing Date
US221783A Expired - Lifetime US3186627A (en) 1961-09-07 1962-09-06 Bag valve

Country Status (5)

Country Link
US (1) US3186627A (de)
AT (1) AT239131B (de)
CH (1) CH396606A (de)
DE (1) DE1894263U (de)
GB (1) GB965983A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781470A (en) * 1984-12-21 1988-11-01 Norsk Hydro A.S. Flexible container with separate lifting area
US8066433B2 (en) 2008-03-14 2011-11-29 Pro-Mart Industries, Inc. Valve for vacuum storage bag

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH396606A (de) * 1961-09-07 1965-07-31 Polypress N V Sack und Verfahren zu dessen Herstellung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664703A (en) * 1900-11-12 1900-12-25 Irving C Woodward Valve-bag.
US683697A (en) * 1901-04-22 1901-10-01 John W Maxwell Windmill.
DE861352C (de) * 1950-07-02 1952-12-29 Natronzellstoff Und Papierfabr Ventilboden mit innenliegendem Bodenblatt
DE969586C (de) * 1952-02-22 1958-06-19 Windmoeller & Hoelscher Ein- oder mehrlagiger Ventilsack aus Papier od. dgl. mit Kreuzboden und Verfahren zuseiner Herstellung
US3095023A (en) * 1959-12-24 1963-06-25 Stamicarbon Plastic valve bag and method of making same
GB965983A (en) * 1961-09-07 1964-08-06 Polypress N V Valve bag,and method for making the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US664703A (en) * 1900-11-12 1900-12-25 Irving C Woodward Valve-bag.
US683697A (en) * 1901-04-22 1901-10-01 John W Maxwell Windmill.
DE861352C (de) * 1950-07-02 1952-12-29 Natronzellstoff Und Papierfabr Ventilboden mit innenliegendem Bodenblatt
DE969586C (de) * 1952-02-22 1958-06-19 Windmoeller & Hoelscher Ein- oder mehrlagiger Ventilsack aus Papier od. dgl. mit Kreuzboden und Verfahren zuseiner Herstellung
US3095023A (en) * 1959-12-24 1963-06-25 Stamicarbon Plastic valve bag and method of making same
GB965983A (en) * 1961-09-07 1964-08-06 Polypress N V Valve bag,and method for making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781470A (en) * 1984-12-21 1988-11-01 Norsk Hydro A.S. Flexible container with separate lifting area
US8066433B2 (en) 2008-03-14 2011-11-29 Pro-Mart Industries, Inc. Valve for vacuum storage bag

Also Published As

Publication number Publication date
AT239131B (de) 1965-03-25
CH396606A (de) 1965-07-31
DE1894263U (de) 1964-06-04
GB965983A (en) 1964-08-06

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