Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating...
Patent
1974-12-12
1977-05-10
Pavelko, Thomas P.
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
61 4, 249171, 249172, 264 71, 264336, B28B 108
Patent
active
040228592
ABSTRACT:
A method of producing shaped concrete blocks for hydraulics, such blocks having two spaced arms formed at right angles to each other and spaced from each other and a web interconnecting the centers of said arms, wherein said block is formed by concreting in a dismountable shuttering with the arms located horizontally and the web vertically, it being possible to use a shuttering having a stationary, lower shuttering part which has a horizontal longitudinal axis for forming substantially half of one arm of the block and two shuttering parts separatable from the formed block by lateral movement.
REFERENCES:
patent: 2161822 (1939-06-01), Kogl
patent: 2264948 (1941-12-01), McKenzie
patent: 2900699 (1959-08-01), Danel
patent: 3009229 (1961-11-01), Tumey
patent: 3582034 (1971-06-01), Tsuzuki
patent: 3636713 (1972-01-01), O'Neill
patent: 3830458 (1974-08-01), Hamblin
Montan - Castell A.G.
Pavelko Thomas P.
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