Heat-sealing apparatus

Details Heat-sealing apparatus Heat-sealing apparatus

1994-10-04

1996-03-26

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

1565838, 100 93R, 100210, 100233, 412 33, 412902, B30B 502, B30B 1534

Patent

active

055017657

ABSTRACT:
A heat-sealing apparatus includes a casing, a pair of lower and upper binding members for vertically binding a portion of a heat-fusible wrapper therebetween, a heater attached to a binding face of the lower binding member which is in turn fixed to the casing. The heater is operable to heat-fuse the portion of the wrapper. The apparatus further includes a switching mechanism for switching over the upper binding member between a binding position where the upper binding member is pressed against the binding face of the lower binding member and a releasing position where the upper binding member is retracted in an upper-rear direction away from the binding face of the lower binding member. The upper binding member is a heat-resistant elastic pressing roller rotatable about an axis extending along a length of the heater.

REFERENCES:
patent: 3375777 (1968-04-01), Techtmann et al.
patent: 3830681 (1974-08-01), Wilson
patent: 4067761 (1978-01-01), Shirley
patent: 4084999 (1978-04-01), Rucker
patent: 4386993 (1983-06-01), Matsuo
patent: 4441953 (1984-04-01), Hollinger, Jr.
patent: 4551965 (1985-11-01), Prottengeier
patent: 5112209 (1992-05-01), Ahrweiler et al.

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