Process for the production and treatment of concrete blocks

Details Process for the production and treatment of concrete blocks Process for the production and treatment of concrete blocks

1990-05-11

1992-07-28

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Surface finishing

264293, 264296, 2642979, 264310, 264333, 425218, 425220, 425385, B28B 302, B28B 1108, B29C 5902

Patent

active

051339153

ABSTRACT:
A process for the production and treatment of concrete blocks, which are produced in molds filled with concrete and are imprinted on their surface by means of dies that exhibit recesses or protrusions. Subsequently thereto, the surface of the concrete blocks is roughened or formed or textured and freed of loose particles by brushes, in particular strip brushes and roller brushes.

REFERENCES:
patent: Re27109 (1971-03-01), Videen
patent: 1229582 (1917-06-01), Butterworth
patent: 1672938 (1928-06-01), Hervey
patent: 1891764 (1932-12-01), Henderson
patent: 3425105 (1969-02-01), Gulde
patent: 4206163 (1980-06-01), De Coster
patent: 4249358 (1981-02-01), Thieffry
patent: 4495132 (1985-01-01), Johnson
patent: 4655981 (1987-04-01), Nielsen et al.
patent: 4886633 (1989-12-01), Rook et al.

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