Concrete reinforcement rods

Details Concrete reinforcement rods Concrete reinforcement rods

1975-06-17

1977-07-12

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Including orbitally-moving tool-face

72198, B21H 802

Patent

active

040345874

ABSTRACT:
The invention is concerned with a reinforcing rod for concrete and a rolling tool for making the rod. The rod has several cold rolled serpentine shaped ribs distributed around its periphery and extending generally in the axial direction.

REFERENCES:
patent: 815617 (1906-03-01), Mueser
patent: 891234 (1908-06-01), Crane
patent: 911062 (1909-02-01), McMullin
patent: 1154664 (1915-09-01), Slick
patent: 1202335 (1916-10-01), Varney
patent: 1431443 (1922-10-01), Cowles
patent: 2016128 (1935-10-01), White
patent: 2552364 (1951-05-01), Bradbury

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