Removable multi-die cartridge for shrink forming machine

Details Removable multi-die cartridge for shrink forming machine Removable multi-die cartridge for shrink forming machine

1982-02-16

1984-09-25

Husar, Francis S.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72481, B21D 4100

Patent

active

044729596

ABSTRACT:
A removable cartridge for insertion in a shrink forming machine having a multiplicity of circumferentially arranged radially movable machine jaws. The cartridge fits inside the machine jaws and is insertable and removable as a unit. The cartridge comprises a multiplicity of circumferentially arranged, radially movable cartridge jaws each engaged by a respective machine jaw to move the cartridge jaw inwardly. A die is mounted on the radially inward end of each cartridge jaw. Guidance structure protects against any substantial deviation by the die from a precise radial path of movement. Structure is provided to enable the cartridge jaw to absorb the load, developed during a shrink forming operation, within the limits of the relatively commonplace physical properties of the material of which the cartridge jaw is composed.

REFERENCES:
patent: 3461710 (1969-08-01), Luedi et al.
patent: 4309892 (1982-01-01), Currie
Grotnes Metalforming Systems, Inc., "The Uncommon Approach", 1980, pp. 26-37.

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