Method of and apparatus for forming, filling and sealing package

Details Method of and apparatus for forming, filling and sealing package Method of and apparatus for forming, filling and sealing package

1980-09-08

1983-07-05

Sipos, John

Package making

Methods

With contents treating

53451, 53526, 53552, B65B 124, B65B 906

Patent

active

043910815

ABSTRACT:
Method of and apparatus for forming, filling and sealing packages in which flexible packaging material is formed into tubing, the tubing is fed downwardly and transversely sealed at package length intervals by a pair of sealing members, a quantity of the product with which the packages are to be filled is delivered into the tubing during an interval of time between successive sealing operations, a contraction is formed in the tubing, after each delivery of product, above the level of the next seal to be made, the contraction is transmitted down on the tubing between the sealing members from above to below said level, thereby to compact the product, and the next seal is then made.

REFERENCES:
patent: 2828591 (1958-04-01), Bossche
patent: 2915866 (1959-12-01), Bartlo
patent: 2953882 (1960-09-01), Tew
patent: 2956383 (1960-10-01), Gausman
patent: 2969627 (1961-01-01), Leasure
patent: 3159955 (1964-12-01), Thurlings
patent: 3262244 (1966-07-01), Cutler
patent: 3449888 (1969-06-01), Gausman
patent: 3528214 (1970-09-01), Calvano
patent: 4171605 (1979-10-01), Putman

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