Form assembly for building framework

Details Form assembly for building framework Form assembly for building framework

1977-03-28

1978-11-21

Perham, Alfred C.

Static structures (e.g., buildings)

Inclined top cover

Self-supporting cover

52252, 52648, 52724, 52725, 403171, 403172, E04B 702, E04B 114

Patent

active

041259734

ABSTRACT:
The present form assembly has sheet metal, hollow, flanged corner joints which telescopically engage the adjoining ends of elongated sheet metal forms for beams, columns, roof arches and trusses, and the like. After the parts are fitted together metal straps on the elongated forms are bent back to affix them to the corner joints, after which the interconnected corner joints and elongated forms may be filled with concrete.

REFERENCES:
patent: 596817 (1898-01-01), Mallen
patent: 650555 (1900-05-01), Crosby
patent: 930160 (1909-08-01), Denny
patent: 1011195 (1911-12-01), Harry
patent: 1135721 (1915-04-01), Robinson
patent: 1205132 (1916-11-01), Black
patent: 1794079 (1931-02-01), Kellett
patent: 2006070 (1935-06-01), DiStasio
patent: 2058135 (1936-10-01), Colville
patent: 2753962 (1956-07-01), McBerty
patent: 2861388 (1958-11-01), Favaretto
patent: 2970676 (1961-02-01), Maciunas

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