Concrete reinforcing steel fibers

Stock material or miscellaneous articles – All metal or with adjacent metals – Defined configuration of both thickness and nonthickness...

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428600, 428923, 106 99, C04B 3118

Patent

active

045592764

ABSTRACT:
Steel block is directly subjected to cutting to produce steel fibers for reinforcing concrete, which are flat within determined conditions that if length of the steel fiber is L, width is W, thickness is t and flat index is N, and if L is 20 to 40 mm, N=W/t=7 to 9, wherein W=1.5 to 2.5 and t=0.2 to 0.3 mm.

REFERENCES:
patent: 1646396 (1927-10-01), Field
patent: 2431294 (1947-11-01), Dulmage
patent: 3504516 (1970-04-01), Sundberg
patent: 3728211 (1973-04-01), Ball
patent: 3953953 (1976-05-01), Marsden
patent: 4050949 (1977-09-01), Lundgren
patent: 4121943 (1978-10-01), Akazawa
patent: 4298660 (1981-11-01), Nakagawa

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