Apparatus for molding pulley for toothed belts

Details Apparatus for molding pulley for toothed belts Apparatus for molding pulley for toothed belts

1982-02-19

1983-05-03

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

249160, B29C 1700, B29D 1500

Patent

active

043819109

ABSTRACT:
An inventive apparatus for molding a toothed pulley is equipped with an upper plate, a lower plate, and a punch attached to the bottom surface of the upper plate for vertical movement, in which a die holder is provided on the lower plate, and a plurality of dies, formed to include tooth molds having different, increasing tooth heights from one die to the next, are arranged vertically in the holder.

REFERENCES:
patent: 2767438 (1956-10-01), Pingel
patent: 3020589 (1962-02-01), Maritano
patent: 3496611 (1970-02-01), Terdig
patent: 3516122 (1970-06-01), Schwartz
patent: 3651185 (1972-03-01), Menkel
patent: 3692454 (1972-09-01), Kruger
patent: 3694127 (1972-09-01), Takahashi et al.
patent: 3724803 (1973-04-01), Goldfarf
patent: 3773446 (1973-11-01), Bonini
patent: 3891367 (1975-06-01), Signora
patent: 3909167 (1975-09-01), Signora
patent: 4008021 (1977-02-01), Fedrigo et al.

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