Concrete molding system with tubs

Details Concrete molding system with tubs Concrete molding system with tubs

1988-07-05

1989-11-21

Housel, James

Static molds

Forming grid or lattice type product

249 31, 249 35, 249 91, 249 96, 249151, 249163, 249176, 249177, B28B 716, E04H 1300

Patent

active

048817147

ABSTRACT:
Concrete molding apparatus that includes an integral lattice frame having a first set of elongated expanses extending in one direction on the frame and a second set of elongated expanses extending transversely of the first set. These expanses define openings in the lattice frame and tub molds are detachably mounted in these openings. In the mounting of a tub mold, a retaining bar structure is provided paralleling an expanse in one of said set of expanses and detachable fasteners distributed along the length of a bar structure detachably fasten the bar structure to the expanse of the lattice frame.

REFERENCES:
patent: 1278286 (1918-09-01), Ambursen
patent: 1289069 (1918-12-01), Ambursen
patent: 1388273 (1921-08-01), Leffler
patent: 1497930 (1924-06-01), Mohrman et al.
patent: 1616846 (1927-02-01), Duncan et al.
patent: 1841074 (1932-01-01), Wolff
patent: 2544602 (1951-03-01), Kosorotoff
patent: 3314638 (1967-04-01), Morrison
patent: 3543458 (1970-12-01), Guritz
patent: 3584826 (1971-06-01), Liester
patent: 4566668 (1986-01-01), Koppenberg
patent: 4614066 (1986-09-01), Koppenberg

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