Apparatus and method for sealing a web of film in a form, fill,

Details Apparatus and method for sealing a web of film in a form, fill, Apparatus and method for sealing a web of film in a form, fill,

1985-02-01

1986-12-23

Sipos, John

Package making

Methods

Closing package or filled receptacle

53373, 53451, 53551, 156515, B65B 900

Patent

active

046304290

ABSTRACT:
An apparatus and method for creating the transverse seals in a form, fill and seal packaging machine is provided. The apparatus includes a heating member that heats a portion of the web of film to create the transverse seals, and a cooling member that cools the heated portion of the web of film and the heating member. The heating member includes a hot bar, a heater for heating the hot bar, and a biasing member that disengages the hot bar from the heater before the hot bar contacts the web of film.

REFERENCES:
patent: 2244550 (1941-06-01), Chandler
patent: 2762420 (1956-09-01), Stanton
patent: 2928220 (1960-03-01), Kannengeisser
patent: 3574038 (1971-04-01), Wolfe
patent: 3574039 (1971-04-01), Fehr et al.
patent: 3692613 (1972-09-01), Pederson
patent: 3965653 (1976-06-01), Lerner
patent: 4062718 (1977-12-01), Hay, II
patent: 4288968 (1981-09-01), Seko et al.
patent: 4444613 (1984-04-01), Burmeister
patent: 4512138 (1985-04-01), Greenawalt

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