Heat sealing and cutting means

Details Heat sealing and cutting means Heat sealing and cutting means

1985-05-01

1986-09-09

Husar, Francis S.

Manufacturing container or tube from paper; or other manufacturi

Tool or tool support

Adapted to be heated or cooled

493203, 493341, 83171, 836511, 835811, 156515, B31B 2314, B26D 710, B26F 312, B32B 3118

Patent

active

046106537

ABSTRACT:
A hot wire has one end mounted on a pivotally supported arm which is biased to keep the wire straight and taut. The end of the wire is bent to an L-shape and is rigidly attached to the arm. Between the bend and the point of attachment, the wire is formed with a flexible portion which expands and contracts to compensate for pivotal movement of the support arm.

REFERENCES:
patent: 2726706 (1955-12-01), Hakomaki
patent: 2737859 (1956-03-01), Allison et al.
patent: 3199388 (1965-08-01), Redfield
patent: 3253122 (1966-05-01), Kochmer et al.
patent: 3262833 (1966-07-01), Zelnick
patent: 3297856 (1967-01-01), Gershon
patent: 3756111 (1973-09-01), Weidenmiller
patent: 4125047 (1978-11-01), Martin
patent: 4301702 (1981-11-01), Collier

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