Concrete method and equipment

Details Concrete method and equipment Concrete method and equipment

1978-04-07

1980-04-22

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Sequentially molding in situ different portions or layers on...

404 96, 404 98, E01C 1100

Patent

active

041995414

ABSTRACT:
Method and equipment for producing a convex riser in concrete flat work. The apparatus includes a frame and shaper which are utilized to produce risers of controlled uniformity.

REFERENCES:
patent: 1034074 (1912-07-01), Cannell
patent: 1843746 (1932-02-01), Tibbetts
patent: 2021767 (1935-11-01), Church
patent: 2187080 (1940-01-01), Heltzel
patent: 2575678 (1951-11-01), Olson
patent: 2616145 (1952-11-01), Dufford

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