Electric heating – Metal heating – By arc
Patent
1977-03-17
1978-06-06
Truhe, J. V.
Electric heating
Metal heating
By arc
B23K 900
Patent
active
040938433
ABSTRACT:
An electron beam welding machine incorporating a surface seal system which continuously seals the weld chamber located in an indexing table while such chamber is indexed beneath a seal plate carrying the surface seal material. As a result of the pressure differential involved, the seal surface also acts as a bearing surface as the wear plate on the indexing table moves in contact with the seal surface.
REFERENCES:
patent: 3222496 (1965-12-01), Windebank
patent: 3731052 (1973-05-01), Ogawa et al.
patent: 3742365 (1973-06-01), Sciaky
Holland Robert Charles
Lindstrom George Adam
Bell Fred E.
Doherty John R.
Truhe J. V.
Union Carbide Corporation
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