Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For press shaping surface
Patent
1989-02-23
1990-02-20
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
For press shaping surface
425347, B29C 3334
Patent
active
049022148
ABSTRACT:
A new automatic multicolor rubber molding machine includes a feed unit having a plurality of tanks for rubber material of different colors. A heating and pressing unit have upper and lower electric heaters, and a mold unit consisting of one or more distributing boards is mounted on the bottom of the rubber tanks and has a plurality of gates, paths and ports. A female mold is capable of traveling into the feed unit and the heating and pressing unit, and a male mold is attached to the mold opener or mounted under the upper heater in the heating and pressing unit, and is constructed in such way that the female mold can enter the feed unit for the rubber material of different colors to flow from the tanks through the gates, paths and ports of the distributing board into the cavities of the female mold, retreat for the mold opener to put on the male mold, enter again the heating and pressing unit for heating and vulcanizing and retreat again for the mold opener to open the molds for removing the final products so that the multicolor products are made in an integrated operation.
REFERENCES:
patent: 733338 (1903-07-01), Smith
patent: 1362928 (1920-12-01), DeBay
patent: 3555597 (1971-01-01), Meadows
patent: 3981671 (1976-09-01), Edwards
patent: 4050864 (1977-09-01), Komaki
patent: 4153401 (1979-05-01), Longinotti
patent: 4698001 (1987-10-01), Vismara
Chang Yi-Shen
Min Chang Y.
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