Mold base

Details Mold base Mold base

1974-07-17

1976-01-13

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Including support or guide means for disassembled element

425195, 425242R, 425406, 425441, 425444, 4254501, B28B 700

Patent

active

039320855

ABSTRACT:
A mold base employs tungsten carbide mold cavities. These hard, brittle cavities are supported by softer, more resilient and more malleable metal support elements. Cams and sliding surfaces are above the parting line and the base is opened from below the parting line.

REFERENCES:
patent: 3161918 (1964-12-01), Zearbough
patent: 3724802 (1973-04-01), Veneria
patent: 3740178 (1973-06-01), Neil
patent: 3838960 (1974-10-01), Lovejoy

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