Horizontal form, fill, seal machines

Details Horizontal form, fill, seal machines Horizontal form, fill, seal machines

1982-12-30

1985-08-27

Combs, E. Michael

Package making

With means responsive to a sensed condition

Of individual contents or group feed or delivery

53550, 53373, 198461, 198575, 198577, B65B 906, B65B 5126, B65G 4731

Patent

active

045370168

ABSTRACT:
A form fill seal type wrapping machine uses equal speed conveyors which are start/stop controlled to accept randomly fed packages and uniformly space them for wrapping and sealing in a roll fed wrapping material such as thermoplastic film. Different length packages can be wrapped without adjustment. One embodiment uses a traveling transverse seal mechanism so the machine can run continuously. Machine speed is enhanced by controlling dwell time for the transverse seal and time of travel for the transverse seal mechanism to be no longer than required to make the seal. A fast return mechanism for the transverse seal mechanism operates at a speed independent of machine speed.

REFERENCES:
patent: 3458026 (1969-07-01), Lauzon et al.
patent: 3817368 (1974-06-01), Wentz et al.
patent: 4141196 (1979-02-01), Blanding
patent: 4197935 (1980-04-01), Aterianus et al.
patent: 4210237 (1980-07-01), Gram
patent: 4219988 (1980-09-01), Shanklin et al.
patent: 4355712 (1982-10-01), Bruno

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