Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1974-05-20
1977-06-28
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264257, 264261, 264263, 264308, 264323, 264333, 264336, B28B 1305
Patent
active
040326128
ABSTRACT:
This invention relates to a method and apparatus for forming wall panel boards from paste-like material. The mould is pivotable between a horizontal and vertical position. The paste-like material and reinforcements are placed in the mould when it is in the horizontal position. The mould is then pivoted to the vertical position such that the yet non-hardened board may be pulled vertically upwards out of the mould. The cross-sectional dimension of the board is shaped by the upper opening of the mould as the former is being pulled out. The board is suspended for hardening outside of the mould, while the mould is returned to the horizontal position for moulding the next board. Thus, the mould can be continuously used without having to wait for the board to harden therein.
REFERENCES:
patent: 1315733 (1919-09-01), Massey
patent: 2663063 (1953-12-01), Van Loon
patent: 2971239 (1961-02-01), Schaich
patent: 3640658 (1972-02-01), Price
patent: 3785608 (1974-01-01), Heinzman
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