Method and apparatus for the manufacture of variable dimension f

Details Method and apparatus for the manufacture of variable dimension f Method and apparatus for the manufacture of variable dimension f

1986-01-27

1987-06-02

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29558, 29412, 29417, 29700, 415DIG3, 416197R, 416219A, 416223R, B21K 304, B23P 1502, B23P 1900

Patent

active

046691642

ABSTRACT:
Construction of impellers of various dimensions are manufactured from tubular hub stock and sheet-like blade stock by cutting a hub of particular length from said hub stock and blades of corresponding length from said blade stock and attaching said blades to said hub. The bore of the hub may be enlarged according to a specified support shaft diameter, and the overall diameter of the impeller may be altered, preferably by trimming ends of the blades prior to mounting on the hub.

REFERENCES:
patent: 1072233 (1913-09-01), Imle
patent: 2063707 (1936-12-01), Soderberg
patent: 2434935 (1948-01-01), Kroon
patent: 4531270 (1985-07-01), Griffith et al.

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