Ultrasonic welding apparatus

Details Ultrasonic welding apparatus Ultrasonic welding apparatus

1983-02-01

1984-07-24

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156157, 156502, 1565801, 1565802, 228 1R, 264 23, B29C 2708

Patent

active

044616627

ABSTRACT:
An ultrasonic welding apparatus improved in its presser opposed to the working surface of the oscillated horn. The presser roller is provided with a recess on a surface facing the working surface and an elastic member made of rubber and bonded thereon for covering the recess so as to be satisfactorily deformed according to an overlapped thick portion of workpieces to be welded. This causes the pressing force applied around the thick portion to be uniform with a good result. The elastic member comprises a first layer made of foamed rubber and a second layer made of silicone rubber and covering the first layer. The elastic member is preferably split by plural slits perpendicular to the working surface.

REFERENCES:
patent: 3574039 (1971-04-01), Fehr et al.
patent: 3785910 (1974-01-01), Parry
patent: 4063990 (1977-12-01), Volz et al.
patent: 4279675 (1981-07-01), Braun

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