Layer-forming apparatus, especially for the preparation of parti

Details Layer-forming apparatus, especially for the preparation of parti Layer-forming apparatus, especially for the preparation of parti

1976-08-05

1977-12-20

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming stratified products

425 83, 425224, 264113, B29J 500

Patent

active

040638588

ABSTRACT:
A layer-forming apparatus, particularly for the preparation of particle-board mats adapted to be compressed with heating in a platen or other press to form a coherent structure generally known as particle board, comprises a dispensing unit for metering the particulate matter onto a conveyor to form the layer and, between the dispensing unit and the conveyor, a classifying device for separating fine particles from coarser particles. The conveyor feeds a head which spreads the particles from the layer on a receiving surface. The receiving surface carries the mat and the head is designed to deposit the coarser particles of the layer from the conveyor either before or after the fine particles so that the fine particles form a facing zone on the bottom and/or top of the mat.

REFERENCES:
patent: 2737997 (1956-03-01), Himmelheber et al.
patent: 2979105 (1961-04-01), Burkner
patent: 3028287 (1962-04-01), Greten
patent: 3098781 (1963-07-01), Greten
patent: 3115431 (1963-12-01), Stokes et al.
patent: 3743461 (1973-07-01), Williams
patent: 3864066 (1975-02-01), Gerhardt

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