Protective device for seam being welded

Details Protective device for seam being welded Protective device for seam being welded

1997-03-10

1999-08-31

Evans, Geoffrey S.

Metal fusion bonding

Including means to apply flux or filler to work or applicator

Gaseous flux

228 50, B23K 522, B23K 902

Patent

active

059442476

ABSTRACT:
A protective device for welding a seam between a pair of workpieces has a flexible metallic band extending along the seam, spaced from surfaces of the workpieces, and having longitudinal edges on which are carried respective elastomeric heat-resistant strips extending the full length of the band and engaging the surfaces of the workpieces. A flexible ceramic band is provided between the elastomeric strips on the metal band between same and the surfaces. The band has a face turned toward and spaced from the surfaces and forms with the surfaces at the seam a chamber extending along the seam.

REFERENCES:
patent: 2331937 (1943-10-01), Schreiner
patent: 3372852 (1968-03-01), Cornell
patent: 4285458 (1981-08-01), Slavens
patent: 4465220 (1984-08-01), Ledlow et al.
patent: 4682724 (1987-07-01), Hahn
patent: 5110031 (1992-05-01), Rinaldi
patent: 5235152 (1993-08-01), Jankus
"Verwendung von Kermischen Badsicherungen Beim Lichtbogen-Schweissen" Der Praktiker, Jul. 1995, F.Tessin, pp. 330-332.

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