Controlling hardness of anchor bolt expansion sleeves

Details Controlling hardness of anchor bolt expansion sleeves Controlling hardness of anchor bolt expansion sleeves

1976-12-10

1978-07-18

Britts, Ramon S.

Metal treatment

Stock

Ferrous

148 12R, F16B 1306

Patent

active

041008340

ABSTRACT:
A masonry anchor including a sleeve having one or more protuberances extruded from its sidewall, said sleeve being annealed to a hardness not to exceed a Brinell hardness number of 230 so as to allow said protuberances to deform into a flattened state to increase the overall holding power of said anchor.

REFERENCES:
patent: 3279304 (1966-10-01), Hopkins
patent: 3667341 (1972-06-01), Kaplan
patent: 3766819 (1973-10-01), Giannuzzi

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