Form tie for concrete form structures

Details Form tie for concrete form structures Form tie for concrete form structures

1975-08-01

1976-12-07

Perham, Alfred C.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

52 99, 249214, E04g 1106

Patent

active

039958256

ABSTRACT:
An elongated form tie bar extends transversely across a concrete receiving space between facing side forms and has opposite end portions thereof each positioned between respective abutting side edge portions of adjacent side forms. The end portions of the tie bar are each adapted to receive respective form holding members for retaining the abutting side edge portions of adjacent side forms in abutting engagement. The tie bar is of carbon steel and has hardened fracture planes positioned relative to the opposite end portions and an intermediate portion thereof whereby after setting of the concrete wall and removal of the forms the end portions are adapted to be separated from the intermediate portion upon being struck a blow as by a hammer and the ends of the remaining intermediate portion are recessed in the concrete wall.

REFERENCES:
patent: 1224810 (1917-05-01), Tenholder
patent: 1919751 (1933-07-01), Schenk
patent: 2483560 (1949-10-01), Peterson
patent: 2887758 (1959-05-01), Clark
patent: 3173187 (1965-03-01), Pontiere
patent: 3396936 (1968-08-01), Bowden
Acrow Review, vol. II, No. 37, June 1964, p. 22.

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