Skip seal mechanism for packaging machine

Details Skip seal mechanism for packaging machine Skip seal mechanism for packaging machine

B - Operations, Transporting

65

B

156/8

B65B 51/16 (2006.01) B65B 51/26 (2006.01)

Patent

CA 1079176

SKIP-SEAL MECHANISM FOR PACKAGING MACHINE ABSTRACT OF THE DISCLOSURE A machine for heat sealing articles between two continuous webs of plastic material comprises two parallel synchronously driven shafts, each of which has a pair of wheels on it which are brought into pressure relationship for heat sealing. One shaft is mounted for yielding perpendicularly to its rotational axis and carries a cam follower disc. The follower disc is raised intermittently and the seal wheels are thereby separated, to relieve pressure and omit sealing, with a cam that is on the other shaft and is engaged periodically for rotation by means of a clutch.

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