Form tie

Details Form tie Form tie

1981-09-04

1983-07-05

Parrish, John A.

Static molds

Uniting preform with molding material

Preform functions as partition means

249 91, 249190, 249216, E04G 1708

Patent

active

043914292

ABSTRACT:
A form tie is disclosed for interconnecting a pair of spaced panels providing the sides of a form and for locating and supporting at least one reinforcing rod at a preselected location intermediate the panels. The form tie includes a unitary elongated member of generally Z-shaped configuration having generally parallel elongate members joined by an intermediate diagonal member and rectilinear braces and tabs for supporting the panels of the form. One embodiment of the present invention includes a second elongate member formed integrally with the generally Z-shaped member for locating and supporting a reinforcing rod at a preselected location intermediate the panels. Alternate embodiments of the form tie of the present invention include means for locating and supporting a second reinforcing rod at a preselected location intermediate the panels. The specific structural features of the form tie also provide improved resistance to vertical and horizontal shear forces acting on the form sides in addition to resisting transverse forces which tend to move the form sides toward or away from each other.

REFERENCES:
patent: 1097796 (1914-05-01), Fueher
patent: 1564981 (1925-12-01), Smith
patent: 1729807 (1929-10-01), Toogood
patent: 1924631 (1933-08-01), Toogood
patent: 3199827 (1965-08-01), Terry
patent: 3263956 (1966-08-01), Hawkins
patent: 4034950 (1977-07-01), Powell

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