Bag making, filling, and packaging method and apparatus

Details Bag making, filling, and packaging method and apparatus Bag making, filling, and packaging method and apparatus

1989-01-25

1990-10-30

Spruill, Robert L.

Package making

Methods

Closing package or filled receptacle

53373, B65B 706, B65B 5130, B65B 5132

Patent

active

049659855

ABSTRACT:
A method and apparatus for sealing and closing an end of a sleeve, more particularly an apparatus and method for bag making, filling, and packaging for intermittently delivering a packaging film of a predetermined length, while forming the film into a tubular shape by a bag making cylindrical body; filling the tubular packaging film with a material to be packaged; and clamping the tubular film by closing a pair of opposed sealing devices to heat seal the tubular film. Apparatus is provided for cooling the heat sealed end of the tubular film by a device which is independent of the sealing device. The heat sealed end of the tubular sleeve is positioned and directly engaged by the cooling members which serves to shorten the cooling time, yet provides an improved seal with an improved appearance.

REFERENCES:
patent: 2747346 (1956-05-01), Tigerman et al.
patent: 3326097 (1967-06-01), Lokey
patent: 3449889 (1969-06-01), Molitor, Jr.
patent: 4074504 (1978-02-01), Greenawalt et al.
patent: 4106261 (1978-08-01), Greenawalt
patent: 4350003 (1982-09-01), Greenawalt et al.
patent: 4485613 (1984-12-01), Saur
patent: 4532753 (1985-08-01), Kovacs
patent: 4656818 (1987-04-01), Shimoyama et al.
patent: 4719741 (1988-01-01), Mabry
patent: 4779400 (1988-10-01), Hoskinson et al.

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