Welding joint and backing sleeve therefore

Details Welding joint and backing sleeve therefore Welding joint and backing sleeve therefore

1993-05-07

1995-03-07

Nicholson, Eric K.

Pipe joints or couplings

Molded joint

Interlocked

228 50, B23K 902, F16L 1302

Patent

active

053951425

ABSTRACT:
Welding joint (18,22) connecting workpieces (19,20,24,29) having a throughlet (25) comprising a weld (21,34) wherein a backing sleeve (10,28) is held within the workpieces (19,20,24,29) in the region of the weld. The welding joint comprises a partition layer (15,33) of a non-weldable material between the workpieces (19,20,24,29), the weld (21,34) and the backing sleeve (10,28), resulting in a welding joint easy to establish and of improved strength and fatigue resistance.

REFERENCES:
patent: 2188925 (1940-02-01), Ronay
patent: 2362505 (1944-11-01), Smith
patent: 2796843 (1957-06-01), Kleppinger
patent: 2820427 (1958-01-01), Chylte et al.
patent: 2847958 (1958-08-01), Norton, Jr. et al.
patent: 3432915 (1969-03-01), Doyle
patent: 3460736 (1969-08-01), Cadle et al.
patent: 3972466 (1976-08-01), Keith
patent: 4182951 (1980-01-01), Kuder
patent: 4285458 (1981-08-01), Slavens
patent: 4295593 (1981-10-01), Kensrue
patent: 4360141 (1982-11-01), Kensrue
patent: 5110031 (1982-05-01), Rinaldi
Patent Abstracts of Japan, vol. 10, No. 171 (M-489) [2227] Jun. 17, 1986, Kazuo Taguchi.

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