Reinforcement elements for elongate concrete building blocks man

Details Reinforcement elements for elongate concrete building blocks man Reinforcement elements for elongate concrete building blocks man

1975-11-03

1978-03-07

Larson, Lowell A.

Wireworking

Crimping

140 24, 140115, B21F 2704

Patent

active

040774406

ABSTRACT:
A reinforcement element intended for essentially U-shaped elongate building blocks manufactured by using the sliding form casting technique. The reinforcment element consists of a plurality of first pretensioned equidistantly spaced steel wires deposited in the longitudinal direction of the block, above or below which wires is positioned, in parallel therewith, a wire net composed of two longitudinal wires and a plurality of equidistantly spaced transverse cross rods the ends of which are bent about the longitudinal wires. The invention likewise concerns a method and a machine to produce such reinforcement elements.

REFERENCES:
patent: 180745 (1876-08-01), Braddock
patent: 1394796 (1921-10-01), Smith
patent: 1784318 (1930-12-01), Swanbaum
patent: 1933189 (1933-10-01), Schlagintweit
patent: 3303315 (1967-02-01), Smith et al.
patent: 3405743 (1968-10-01), Robinson
patent: 3443495 (1969-05-01), Heltzel
patent: 3497579 (1970-02-01), Barron
patent: 3611665 (1971-10-01), O'Brien
patent: 3827132 (1974-08-01), Bratchell

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