Metal working – Method of mechanical manufacture – Structural member making
Patent
1992-09-08
1994-05-10
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Structural member making
29447, 29452, 29458, 5222314, 264228, B21D 3900
Patent
active
053096380
ABSTRACT:
A prestressed, reinforced concrete structure is made by applying a coating onto a reinforcing element, introducing the coated reinforcing element into the body of concrete, and heating the reinforcing element so that first the coating melts and a bond between the reinforcing element and the body of concrete is interrupted and the reinforcing element is expanded and thereafter heating the reinforcing element to a higher temperature at which the coating rigidifies and provides a firm bond between the expanded reinforcing element and the body of concrete.
REFERENCES:
patent: 3552074 (1971-01-01), Rajchman
patent: 3676968 (1972-07-01), Campbell
patent: 4661387 (1987-04-01), Watanabe et al.
patent: 4849282 (1989-07-01), Watanabe et al.
patent: 4999959 (1991-03-01), Virtanen
patent: 5093065 (1992-03-01), Creedon
Farber Mark
Kots Lyubov
Bryant David P.
Rosenbaum Mark
Zborovsky I.
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