Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1988-09-23
1991-12-24
Yost, Frank T.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156251, 83169, 83171, 836511, 493194, 493199, B32B 3118
Patent
active
050749510
ABSTRACT:
Apparatus for severing a plurality of plies of a thermoplastic material and sealing the severed margins thereof is provided. The apparatus comprises a hot-wire element proximate the thermoplastic material for severing and sealing the thermoplastic material. The apparatus further comprises a chamber or manifold for enveloping the hot-wire element in an inert atmosphere which impinges on a proximal portion of the thermoplastic material to be severed and sealed. The apparatus further comprises an actuating mechanism, associated with the hot-wire element, for translating the hot-wire element toward the proximal portion of the thermoplastic material. As a result, the hot-wire element severs the plurality of plies and seals the severed margins thereof so that the severed margins are enveloped by the inert atmosphere impinging on the thermoplastic material.
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Banco Michael J.
Behr R. Douglas
Geiger Herbert B.
Rada Rinaldi
The Dow Chemical Company
Yost Frank T.
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