Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie – Socket type
Patent
1976-10-08
1977-11-01
Braun, Leslie
Static structures (e.g., buildings)
Assembled in situ-type anchor or tie
Socket type
85 32V, 151 417, E04B 141
Patent
active
040559297
ABSTRACT:
A threaded anchor for embedding in a cementious material comprising a unitary member of generally cylindrical configuration, which is interiorally threaded and open at one end. The other end thereof is closed by a base portion of greater size than the diameter of the cylindrical member, said base portion being disposed perpendicular to the longitudinal axis of the cylindrical member. On the exterior surface of the cylindrical member are a plurality of radial flanges, which extend along the length of the cylindrical member, and are attached to the base portion.
The threaded anchor is preferably formed from a single sheet of metal. This sheet is fed into a drawing device, whereon the sheet is drawn into a cup shaped member having a closed end. The cup shaped member is placed over a mandrel and the exterior surface of the member is then pinched with means of shorter length than the length of the cup shaped member to form radial flanges on the exterior of the cup shaped member, and a flange at the bottom of the cup shaped member to which the exterior surface flanges are attached. The threads are then formed on the inner surface of the cup shaped member.
REFERENCES:
patent: 991517 (1911-05-01), Kennedy
patent: 1531754 (1925-03-01), Palmer
patent: 1627554 (1927-05-01), Fishel et al.
patent: 2560951 (1951-07-01), Henderson et al.
patent: 3443351 (1969-05-01), Kumazawa
patent: 3877341 (1975-04-01), Grimm et al.
patent: 3962843 (1976-06-01), King, Jr.
patent: 3982363 (1976-09-01), Dorris
Garner Peter
Stancati Nicholas F.
Acta Limited
Braun Leslie
Calvaruso Joseph A.
Casella Anthony J.
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