Welded article and method of manufacture

Details Welded article and method of manufacture Welded article and method of manufacture

1986-05-09

1990-07-03

Shaw, Clifford C.

Electric heating

Metal heating

By arc

73742, 219118, B23K 923

Patent

active

049393383

ABSTRACT:
A pressure gauge fabricated from directly welded pieces of dissimilar metals. The gauge includes a casing, a tubular socket, and a Bourdon tube. The casing is fabricated of stainless steel and has an aperture with a flange. The socket is fabricated of aluminum bronze and is positioned within the aperture and flange in line contact therewith. The tubular socket also has a bore. The Bourdon tube is fabricated of stainless steel and is positioned within the bore in line contact therewith. Single weld lines exist along the lines of contact between the casing and the socket and between the socket and the Bourdon tube as caused by welding without a filler or insert material operatively associated with the single weld lines.

REFERENCES:
patent: 2914641 (1959-11-01), Yuhasz
patent: 4384490 (1983-05-01), Bissell
patent: 4543833 (1985-10-01), Ferguson
American Society for Metals; Metal Handbook, 9th Ed., vol. 6, pp. 414-424.
Macken et al., CDA Abstract #19297, 1966.
Duisburg, CDA Abstract #17120, 1970.
Kocher et al., CDA Abstract #4095, 1968.
Mendolia et al., CDA Abstract #23325, 1980.
Solomon, "Joining Dissimilar Metals by Gas. Tungsten-are Braze-Welding", Welding Journal 3/1968, pp. 189-191.
Welding Handbook, vol. 4, 7th Ed., "Specific Dissimilar Metal Combinations", p. 535.
T. Lyman, ed. Metals Handbook, vol. 6, 1971, pp. 348-349.

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