Pipe header-cylindrical tank joint and method of joining same

Details Pipe header-cylindrical tank joint and method of joining same Pipe header-cylindrical tank joint and method of joining same

1978-01-19

1979-11-27

Husar, Francis S.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

228170, 285 22, 285189, 29157T, 291574, F28F 918, B23K 3102, F16L 4108

Patent

active

041756150

ABSTRACT:
A tubular pipe header is provided with an end surface which is substantially flat and in orthogonal relation to the longitudinal axis of the pipe header. An arcuate surface of a cylindrical transformer tank is provided with an aperture having a configuration at least a portion of which closely matches a portion of the end surface of the pipe header such that the matching end surface of the pipe header can be moved into the aperture when alignment therebetween is obtained. Another portion of the aperture includes non-matching means which prevents another portion of the end surface of the pipe header from moving into the aperture when alignment is obtained. In one embodiment, the non-matching means comprises tabs located in the same arcuate surface as the aperture. The tabs extend into the aperture. In aligning, the end surface of the pipe header is aligned with the aperture. The aligning step includes moving the matching end surface of the pipe header into the aperture and engaging the other portion of the end surface of the pipe header with the non-matching means of the aperture. Upon alignment, the pipe header is welded to the cylindrical tank.

REFERENCES:
patent: 972119 (1910-10-01), McKibben
patent: 2192904 (1940-03-01), Ferris
patent: 3180663 (1965-04-01), Lehmann

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