Mold construction having removable base member

Details Mold construction having removable base member Mold construction having removable base member

1974-05-09

1977-03-29

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Apparatus repair, cleaning or conditioning

162411, 249113, 249164, B41B 1160, D21J 700

Patent

active

040147398

ABSTRACT:
An improved mold construction is disclosed which is particularly useful in the manufacture of molded pulp products. The mold construction includes a rigid foraminous base member shaped to define the desired product, and a support frame having a first groove adapted to receive the marginal edge of the base member and a second groove which releasably receives a retainer member. The frame support is manipulatable to allow insertion and removal of the marginal edge of the base member into and from the first groove when the retainer member is removed from the second groove, but may not be so manipulated when the retainer member is inserted within the second groove. In one embodiment, the retainer member is separable from the support frame, while in an alternative embodiment the retainer member is formed integral with the support frame.

REFERENCES:
patent: 1135381 (1915-04-01), Kenney
patent: 2174425 (1939-09-01), Schlumbohm
patent: 2971237 (1961-02-01), Graham
patent: 3802963 (1974-04-01), Lee et al.
patent: 3838955 (1974-10-01), Dubbeld

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