Apparatus for providing random rake finish in a cast concrete su

Details Apparatus for providing random rake finish in a cast concrete su Apparatus for providing random rake finish in a cast concrete su

1992-08-21

1994-05-31

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Plural reshaping means or plural vulcanizing means including...

Spaced reshaping or vulcanizing means acting on a single...

264293, 425385, B28B 1108

Patent

active

053164652

ABSTRACT:
Apparatus for mechanically forming a random rake finish on the surface of a cast panel utilizes counter rotating sets of tines which are projected into the material as a form is linearly moved. The apparatus thus is used to implement a unique method of providing a random rake or fuzzy finish on the surface of the cast panel.

REFERENCES:
patent: 1179792 (1916-04-01), Ballou
patent: 1202252 (1916-10-01), Varney
patent: 1220807 (1917-03-01), Wolfe
patent: 1272533 (1918-07-01), Robinson
patent: 1631220 (1927-06-01), Nicholson
patent: 1809572 (1931-06-01), Smith
patent: 1854788 (1932-04-01), Fenati
patent: 2193916 (1940-03-01), Bentley et al.
patent: 3775529 (1973-11-01), Steenson et al.
patent: 4050864 (1977-09-01), Komaki
New Jersey Department of Transportation Special Provisions, Regulations and Contract Regulations.

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