Device for sealing containers made of heat-sealable material

Details Device for sealing containers made of heat-sealable material Device for sealing containers made of heat-sealable material

1976-09-22

1978-01-10

Spruill, Robert Louis

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

53180R, 156583, B65B 5114, B65B 5126

Patent

active

040671755

ABSTRACT:
A device for sealing containers made of heat-sealable material particularly adapted to be applied to the closure of containers containing pasty substances including an elastic support for one of the two walls of the container which are to be heat-sealed to one another and an assembly which is movable towards the mean plane of the container. The assembly includes a head on which the slidably mounted two rigid plane members in convergent positions so as to have sharp edges in substantial engagement. The head having mounted between both rigid plane members a heating mechanism which due to the movement of the head relative to the members the heating mechanism is placed against the other wall of the container in the position in which the members are pressing the walls against the elastic support. The present invention further includes a mechanism for causing the movement of the moveable assembly towards the elastic support and for causing the movement of the rigid plane members relative to the head.

REFERENCES:
patent: 2916864 (1959-12-01), Meissner
patent: 3050916 (1962-08-01), Gausman et al.
patent: 3438173 (1969-04-01), Omori
patent: 3673041 (1972-06-01), Schulz et al.
patent: 3874146 (1975-04-01), Watkins

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