Screw device

Details Screw device Screw device

2005-05-09

2009-12-15

Nguyen, Jimmy T (Department: 3725)

Presses

Concurrent pressing and conveying

Helix-type compressor

C100S117000, C100S147000, C100S148000

Reexamination Certificate

active

07631596

ABSTRACT:
A choke for a screw device include a choking plug comprising a plurality of choking plug segments, and a choking ring cooperating with the choking plug, the choking ring comprising a plurality of choking ring segments. The plug segments may be releasably mounted to a hub is releasably mounted to a shaft of the screw device, and the choking ring segments releasably mounted to the barrel.

REFERENCES:
patent: 3035511 (1962-05-01), Hayes
patent: 3225711 (1965-12-01), Forth et. al.
patent: 3921512 (1975-11-01), Burns
patent: 4915830 (1990-04-01), Mackay et al.
patent: 5622732 (1997-04-01), Beckwith

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