Mold for manufacturing abrasive segments

Details Mold for manufacturing abrasive segments Mold for manufacturing abrasive segments

1980-03-31

1981-05-12

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

249139, 249161, 249163, 249164, 249167, 249219R, 425186, 425195, 425406, B28B 700, B29C 100, B29C 116

Patent

active

042669227

ABSTRACT:
A mold comprises a base, a split die and a plunger. The base has longitudinal shoulders with resilient elements, and sloping surfaces which form an upwardly flaring nest adapted to accommodate a vertically movable die. The side walls of the die have their sloping surfaces in contact with the sloping surfaces of the longitudinal shoulders and, together with the die end walls, are placed around the die bottom. Provided between the base and the die are means for lifting the latter and means for supporting the die bottom in the raised position after the die has been lowered. Such die construction makes it possible to reduce the time required for its assembly and disassembly, as well as for detaching the finished abrasive segment from the die walls.

REFERENCES:
patent: 779775 (1905-01-01), Evenstad
patent: 1417246 (1922-05-01), Hazeltine
patent: 1787177 (1930-12-01), Steppe et al.
patent: 2116483 (1938-05-01), Williams et al.
patent: 3945428 (1976-03-01), Yanagisawa et al.

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