Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-10-07
1983-06-07
Crane, Daniel C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29455R, 29446, 248 49, 248 74A, 376436, 165162, B23P 1526
Patent
active
043864562
ABSTRACT:
An improved heat exchanger in which the tube bundle therein comprises a plurality of tubes supported intermediate their ends by at least one annular enlargement disposed around and frictionally secured to the outer surface of at least one of the tubes with the annular enlargement contacting the outer surface of each tube next adjacent thereto. Means are also provided for encircling and maintaining the tubes in spaced relation in contact with the annular enlargements. Method of constructing the tube bundle for the heat exchanger is also disclosed.
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Crane Daniel C.
Phillips Petroleum Company
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