Pump plunger

Details Pump plunger Pump plunger

1986-06-12

1988-05-03

Garrett, Robert E.

Expansible chamber devices

Piston

Nonmetallic portion

92255, 92260, 291564R, 291565R, 403260, 403 30, F16J 900

Patent

active

047412542

ABSTRACT:
A pump plunger formed from a centrally bored cylinder of a preferred compound having counterbored ends provided with inwardly converging counterbore inner end limits for thermally shrinking and centering a bolt and its nut therein. One end of the bolt projects beyond the cylinder and is threadedly connected axially with a plunger mounting shaft. The cylinder is turned concentric with the mounting shaft.

REFERENCES:
patent: 4050525 (1977-09-01), Kita
patent: 4242948 (1981-01-01), Stang et al.
patent: 4453527 (1984-06-01), Wade
patent: 4535683 (1985-08-01), Dworak et al.
patent: 4548126 (1985-10-01), Donomoto et al.

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