B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 23/00 (2006.01) B21C 23/00 (2006.01) B21C 23/14 (2006.01) B21C 37/15 (2006.01) B21D 22/00 (2006.01) B21D 26/02 (2006.01) B21D 28/00 (2006.01) B62D 25/00 (2006.01) B62D 25/08 (2006.01) B62D 29/00 (2006.01) B62D 29/04 (2006.01) B62D 65/00 (2006.01) B62D 65/04 (2006.01) C22C 1/00 (2006.01)
Patent
CA 2165530
Unitary vehicle body compartment structures of the type comprising wall members and/or interconnected frame members that define the surface of a cylinder are made by providing a tube that is initially smaller than the cylinder and expanding at least portions of the tube to the shape of the body compartment structure. Functional openings such as windows are trimmed from the deformed tube to further define the compartment. A complete body may be assembled by attaching two or more such compartments such as, e.g., a passenger compartment, an engine compartment and a luggage compartment. Tube or tube segments may also be employed to make segments of the body compartment or smaller body parts such as doors and hoods.
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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