Static structures (e.g. – buildings) – Machine or implement
Patent
1988-09-09
1990-05-08
Murtagh, John E.
Static structures (e.g., buildings)
Machine or implement
52740, E04C 503
Patent
active
049226819
ABSTRACT:
In a hot-rolled concrete reinforcing bar of which the ribs are arranged along a helical line and form portions of a thread for screwing on an anchoring or connecting body provided with a counter thread a rib form and rib arrangement improved as regards the dynamic stressability of the thread connection is proposed.
REFERENCES:
patent: 3561185 (1971-02-01), Finsterwalder et al.
patent: 4056911 (1977-11-01), Tani
patent: 4229501 (1980-10-01), Kern
A Proposed Standard Deformed Bar for Reinforcing Concrete, 4/1942, pp. 35-63.
Jungwirth Dieter
Russwurm Dieter
Arbed S.A.
Dyckerhoff & Widmann AG
Murtagh John E.
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