Structure for coupling pipe with breeches pipe

Details Structure for coupling pipe with breeches pipe Structure for coupling pipe with breeches pipe

1997-04-21

1999-05-11

Knight, Anthony

Pipe joints or couplings

Molded joint

Weld

2851311, 2989008, 138115, 138177, B21C37/29

Patent

active

059019883

ABSTRACT:
A coupling structure between a cylindrically united end portion of a breeches pipe and a cylindrical end portion of a tubular pipe. The cylindrically united end portion has at diametrically opposed portions thereof respective grooves each extending axially from a circular end of the cylindrically united end portion. The cylindrical end portion of the tubular pipe has at diametrically opposed portions thereof respective slots each extending axially from a circular end of the cylindrical end portion. The cylindrically united end portion of the breeches pipe is inserted into the cylindrical end portion of the tubular pipe in such a manner that grooves are mated and merged with the slots respectively. The circular end of the tubular pipe is entirely welded to an outer surface of the cylindrically united end portion of the breeches pipe and a periphery of each slot is entirely welded to the corresponding groove to achieve a hermetic sealing therebetween.

REFERENCES:
patent: 1293871 (1919-02-01), Murray
patent: 1904967 (1933-04-01), Barder
patent: 3204723 (1965-09-01), Sunday
patent: 3336056 (1967-08-01), Cassel et al.
patent: 5170557 (1992-12-01), Rigsby
Alden et al. Design of Industrial Exhaust Systems. 4 ed. (New York: Industrial Press). pp. 97, 98, 1970.

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