Ultrasonic seaming apparatus

Details Ultrasonic seaming apparatus Ultrasonic seaming apparatus

1980-09-22

1982-02-02

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156366, 1565801, 228 1R, B29C 2708, B32B 3120

Patent

active

043137784

ABSTRACT:
An ultrasonic seaming method and apparatus for continuously bonding thermoplastic material are disclosed. A movable anvil is disposed opposite the output end of a horn for providing a gap through which the thermoplastic material is conveyed. The anvil cyclically is moved away from the face of the horn and immediately thereafter is urged under slight adjustable pressure against the underside of the material and then is clamped in position for a predetermined period of time or an amount of material feed.

REFERENCES:
patent: 3294616 (1966-12-01), Linsley et al.
patent: 3666599 (1972-05-01), Obeda
patent: 3841947 (1974-10-01), Bocquet et al.
patent: 3844869 (1974-10-01), Rust, Jr.
patent: 3852144 (1974-12-01), Parry
patent: 4090897 (1978-05-01), Minick
patent: 4097327 (1978-06-01), Calemard

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