Method of making non-planar article from roll bonded metal sheet

Details Method of making non-planar article from roll bonded metal sheet Method of making non-planar article from roll bonded metal sheet

1993-04-23

1995-02-28

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72421, B21D 2602

Patent

active

053926250

ABSTRACT:
A method of forming a non-planar article such as an automotive heat shield from a preform comprising planar sheets superposed upon one another and bonded to one another at selected locations using a roll bond process. The preform is positioned between a male tool and a female tool, the male tool having a protuberant portion and the female tool defining a cavity adapted to accomodate the protuberant portion of the male tool. The preform is then deformed by pushing the protuberant portion against the preform and pressurized fluid is thereafter introduced between the sheets to space them from one another on the unbonded portions.

REFERENCES:
patent: 3020633 (1962-02-01), Heuer
patent: 3110090 (1963-11-01), Isbell, Jr. et al.
patent: 3340589 (1967-09-01), Jaeger
patent: 3373480 (1968-03-01), Fuchs, Jr.
patent: 4833768 (1989-05-01), Ecklund et al.
SAE The Engineering Resource for Advancing Mobility, "SAE Technical Paper Series" 830023, Continuous Roll-Bonding a Means of Manufacturing Heat Exchanger Parts and Components, Feb.-Mar., 1993, pp. 1-5.
SAE Technical Paper Series "940314" High Performance Airgap Heat Shields Using Blow-Molded Roll-Band Aluminum Technology, Feb.-Mar., 1994, pp. 1-10.
"Inflate a Sandwich and Fabricate a heat Exchanger", Engineering, p. 196, Feb. 2, 1968.

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