Fiber-filled polymer impeller

Details Fiber-filled polymer impeller Fiber-filled polymer impeller

1981-04-17

1988-08-30

Hershkovitz, Abraham

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

416244R, F04D 2920

Patent

active

047672773

ABSTRACT:
A molded fiber-filled polymer impeller having a polygon molded hole with machined grooves at the apexes of the polygon and a process for forming such grooves.

REFERENCES:
patent: 3434369 (1969-03-01), Runkle
patent: 3477794 (1969-11-01), Abbott et al.
patent: 3510229 (1970-05-01), Smith
patent: 3604819 (1971-09-01), Krahe
patent: 3779668 (1973-12-01), Ekey
patent: 3994177 (1976-11-01), Cappelle et al.

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