Apparatus for inert atmosphere sealing

Details Apparatus for inert atmosphere sealing Apparatus for inert atmosphere sealing

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.

REFERENCES:
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patent: 3299756 (1967-01-01), Rosenthal
patent: 3338122 (1967-08-01), Lampe
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patent: 3754489 (1973-08-01), Carver, Jr. et al.
patent: 3978749 (1976-09-01), Polenz
patent: 4018117 (1977-04-01), Patterson
patent: 4316763 (1982-02-01), Jensen
patent: 4370187 (1983-01-01), Katagiri et al.
patent: 4396449 (1983-08-01), Tumminia
patent: 4464219 (1984-08-01), Colombo et al.

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