B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
26/145, 153/18,
B21D 39/00 (2006.01) B21D 39/06 (2006.01) B21D 53/00 (2006.01) B21D 53/08 (2006.01) B21K 29/00 (2006.01) B23K 1/00 (2006.01) B23K 31/02 (2006.01) B23P 15/26 (2006.01) F16B 11/00 (2006.01) F28F 9/16 (2006.01) F28F 9/18 (2006.01)
Patent
CA 1262125
Abstract A new and improved automotive heat exchanger and a method of assembling tubes in a header of a heat exchanger comprising, shaping the ends of non-circular cross section tubes into a substantially circular cross section, forming collared openings of substantially circular cross section in a header wall, inserting the tube ends into the openings, and bonding the tubes to the header wall.
461285
Allen Group Inc. (the)
Calleson Gerald C.
Ridout & Maybee Llp
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