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
1981-12-28
1984-07-31
Lowe, James B.
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
249 26, 249 33, 249 40, 249 83, 249137, 264263, 264273, 264274, 264277, 264310, 264333, B28B 708, B28B 2156
Patent
active
044629494
ABSTRACT:
The method of battery molding metal-reinforced panels of matrix forming materials like, for example, concrete is improved by the use, as reinforcement for each panel, of a stratiform and biplanar structure formed of two spaced coextensive metal sheets in a parallel and mutually supporting arrangement. Preferably, at least one sheet has a multiplicity of perforations as well as a multiplicity of protrusions. The reinforcements are provided with partitioning layers and stacked in the cavity of a molding box. Upon casting and setting of the concrete or the like material into the cavity compartments metal-reinforced panels are obtained in which the biplanar reinforcement extends substantially through the panel. The tiltable molding apparatus for use in battery-molding of the panels includes a molding box in combination with at least one fluid-cushion or fluid-bag capable of varying its outer shape in response to the amount of fluid within said cushion. The cushion rests on a support surface, such as the ground of a construction site, and is connected in a force-transmitting relation with an exterior portion of the molding box in a manner to cause tilting of the molding box by variation of the amount of fluid within the cushion.
REFERENCES:
patent: 1159184 (1915-11-01), Dale
patent: 1326246 (1919-12-01), Young
patent: 2831232 (1958-04-01), Lawson
patent: 2964821 (1960-12-01), Meehan
patent: 3008551 (1961-11-01), Cole
patent: 3664630 (1972-05-01), Maynen et al.
patent: 4139670 (1979-02-01), Fehlmann
"New For Industry", Science Digest, Feb. 1974, p. 56.
Kleeman Werner W.
Lowe James B.
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