Screw removing apparatus for vertical extruders

Details Screw removing apparatus for vertical extruders Screw removing apparatus for vertical extruders

1975-12-22

1977-01-04

Smith, Al Lawrence

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

2541874, B23P 1906

Patent

active

040005542

ABSTRACT:
Screw removing apparatus for vertical extruders wherein the screw is removable through the bottom of the extruder barrel, the apparatus including an adaptor for attaching to the upper end of the screw, a winch for fastening to the adaptor and which includes a yieldable locking means which enables the winch to support the weight of the screw and which yields upon application of a predetermined downward force to the adaptor which is sufficient to overcome the yieldable locking means.

REFERENCES:
patent: 2645846 (1953-07-01), Thompson
patent: 3121941 (1964-02-01), Bellarts

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