Method for the manufacture of a pump rotor for a coolant pump in

Details Method for the manufacture of a pump rotor for a coolant pump in Method for the manufacture of a pump rotor for a coolant pump in

1987-09-22

1989-05-09

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291568R, 295273, B23P 1500

Patent

active

048275891

ABSTRACT:
A method for the manufacture of a closed plastic pump rotor is described. The mold comprises two outer casting mold shells and an intermediate core, whose shaping determines the shape of the guide vanes and flow channels of the rotor. The core is made from a material, whose melting point is below that of the plastic to be cast. The core is melted following the curing of the plastic.

REFERENCES:
patent: 3670071 (1972-06-01), Walchle et al.
patent: 3920360 (1975-01-01), Bierlun
patent: 3981688 (1976-09-01), Telarg et al.
patent: 4243362 (1981-01-01), Rees et al.
patent: 4470784 (1984-09-01), Piotrousky
patent: 4556528 (1985-12-01), Gusch et al.
patent: 4576770 (1986-03-01), Schultz
patent: 4692099 (1987-09-01), Homia et al.
patent: 4743481 (1988-05-01), Quinlan et al.

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