Static structures (e.g. – buildings) – Machine or implement
Patent
1995-10-02
1997-03-18
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
527404, 72194, E04C 330
Patent
active
056111908
ABSTRACT:
The invention relates to metal rod with a substantially round cross section comprising at least six rows of ribs arranged in the surface spread over the periphery, the surface of which is preferably provided with six rows of ribs and the ribs of at least one row are optionally arranged obliquely in the surface relative to the rod direction, wherein the ribs of adjoining rows of ribs are optionally oriented in herringbone form.
REFERENCES:
patent: 1404198 (1922-01-01), Gerson
patent: 1514806 (1924-11-01), Thomas
patent: 3186206 (1965-06-01), Gillberg
patent: 3641799 (1972-02-01), Wildt
patent: 4137686 (1979-02-01), Kern
Catalog "Type of Deformed Bars Used in Pull-Out Tests", p. 4, Jun., 1947.
Friedman Carl D.
Yip Winnie
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