Heat transfer apparatus

Details Heat transfer apparatus Heat transfer apparatus

1974-08-12

1976-02-17

Lanham, C. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

165141, 29455R, 228125, 138114, 138111, B23P 1526

Patent

active

039382338

ABSTRACT:
An improved header construction for a heat transfer apparatus of the type utilizing a plurality of concentric, longitudinally extending tubes including an inner tube, an intermediate tube and an outer tube with the intermediate tube extending beyond the outer tube and the inner tube extending beyond the intermediate tube. The header includes sealing members for the intermediate and outer tubes. Each sealing member is butt welded at one end to its associated tube. The other end of the sealing members defines a radially inwardly directed sanitary radius which is welded to an outwardly directed sanitary radius formed in a band which, in turn, is welded to the next innermost tube section. The method of assembling a header in accordance with the above is also provided.

REFERENCES:
patent: 2521369 (1950-09-01), Holm et al.
patent: 3323585 (1967-06-01), Cannon

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