Apparatus for breaking up cast fixtures

Details Apparatus for breaking up cast fixtures Apparatus for breaking up cast fixtures

1987-09-10

1989-05-09

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

29239, B23P 2300

Patent

active

048275832

ABSTRACT:
When a cast metallic fixture for holding workpieces in a grinding machine, it is broken up by subjecting its walls to bending and tensional stresses to destory webs which connect two walls of the fixture to each other, whereupon the walls are moved apart to afford access to the workpiece. The webs can be destroyed as a result of the application of mechanical stresses to the walls of the fixture by a breaking device which is inserted into a compartment of the fixture and is movable relative thereto in order to destroy the integrity of a connector between the walls.

REFERENCES:
patent: 3627020 (1971-12-01), Taccone
patent: 4110885 (1978-09-01), Fisher
patent: 4643796 (1987-02-01), Burns

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