Elastically deformable die and method of die forming using the d

Details Elastically deformable die and method of die forming using the d Elastically deformable die and method of die forming using the d

1991-03-12

1992-03-10

Simmons, David A.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

72 60, 72465, 100211, 100295, 425403, B28B 300

Patent

active

050947966

ABSTRACT:
An elastically deformable die includes two or more die members formed of materials exhibiting different degrees of elastic deformation under the same stress which are combined and arranged such that the elastic deformation thereof under the pressure received from a workpiece during a forming operation causes the surface of the die in contact with the workpiece to be formed to a prescribed configuration. In die forming the composite die is brought in contact with a surface of the workpiece, the die is elastically deformed at the surface of contact by the pressure received from the workpiece during the forming process, and the workpiece is formed to the prescribed configuration by this deformation.

REFERENCES:
patent: 1883968 (1930-06-01), Krivig
patent: 2351475 (1941-10-01), Berger
patent: 2966873 (1955-01-01), Hoffman et al.
patent: 3520961 (1970-07-01), Suda et al.
patent: 3986379 (1976-10-01), Mansell
patent: 4111024 (1978-09-01), Dahlman et al.

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