Method of making a vehicle compartment from a cylindrical tube

Details Method of making a vehicle compartment from a cylindrical tube Method of making a vehicle compartment from a cylindrical tube

1997-05-27

1998-08-04

Bryant, David P.

Metal working

Method of mechanical manufacture

Structural member making

294211, 72 61, B23P 1700

Patent

active

057875855

ABSTRACT:
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.

REFERENCES:
patent: 2298132 (1942-10-01), Johnson
patent: 4567743 (1986-02-01), Cudini
patent: 5070717 (1991-12-01), Boyd et al.
patent: 5431326 (1995-07-01), Ni et al.
patent: 5666727 (1997-09-01), Rashid

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