Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Patent
1984-03-09
1986-09-16
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
285286, 219 60R, 228250, F16L 1302
Patent
active
046118306
ABSTRACT:
A partially consumable spacer chill or welding ring includes a generally cylindrical non-consumable base metal ring having an outside diameter of such a size as to snugly fit the inside diameter of the pipe end to be welded. A circular consumable filler metal spacer ring is medially attached to the outer periphery of the base metal ring and extends peripherally radially outwardly to function as a spacing device between adjacent ends of two lengths of pipe to be joined. The consumable spacer ring may be affixed to the base metal ring in a plurality of circularly offset locations by spot welding or may be press-fitted in an alignment groove in the base ring. The consumable spacer ring becomes filler metal during welding.
REFERENCES:
patent: 1453343 (1923-05-01), Fay
patent: 1499581 (1924-07-01), Kibele
patent: 1980530 (1934-11-01), Hutchison
patent: 1981850 (1934-11-01), Fisher
patent: 1987341 (1935-01-01), Kachel
patent: 2366579 (1945-01-01), von Ahrens
patent: 2764426 (1956-09-01), von Ahrens
patent: 2792490 (1957-05-01), Risch et al.
patent: 3033145 (1962-05-01), Thielsch
patent: 3151888 (1964-10-01), Wagner
patent: 3770302 (1973-11-01), Hallenbeck
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