Rotary sonotrode allowing continuous welding over a large width

Details Rotary sonotrode allowing continuous welding over a large width Rotary sonotrode allowing continuous welding over a large width

2005-11-22

2005-11-22

Sells, James (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

C016S248000

Reexamination Certificate

active

06966969

ABSTRACT:
A rotary sonotrode enabling welding to be carried out continuously over a large width.A sonotrode (S) more particularly of revolution, made of a first material for propagation of ultrasonic waves, more particularly metal, comprising a axial bar (2) and an active part (4) connected to the axial part (2), the bar extending uninterruptedly over the entire axial extent of the sonotrode, and a chamber (8), made of a second material which does not allow the transmission of ultrasonic waves from the first material to the second, the second material being more particularly air or avoid, is interposed between the bar (2) and the active part (4).

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Database WPI Section Ch., Week 199040, Derwent Publications Ltd., London, GB; Class A35, AN 1990-303477; XP002154199 & SU 1 548 072 A (OMSK POLY), Mar. 7, 1990 (1 SHEET).

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