Structure of lightweight bars and connector means therefore

Details Structure of lightweight bars and connector means therefore Structure of lightweight bars and connector means therefore

1975-08-13

1978-01-24

Braun, Leslie

Static structures (e.g., buildings)

Machine or implement

52731, 52738, 403231, 403302, 403311, 403312, 403363, E04C 332

Patent

active

040696383

ABSTRACT:
A lightweight bar comprising a hollow, elongated member having channels within and extending along its faces, said member being composed of sheet material formed into the required configuration of the member and having a pair of edges joined together to close the cross section of the member.

REFERENCES:
patent: 835478 (1906-11-01), Sjobring
patent: 910192 (1909-01-01), Grouvelle et al.
patent: 1852146 (1932-04-01), Carns et al.
patent: 2098752 (1937-11-01), Miller
patent: 2185916 (1940-01-01), Groetschel et al.
patent: 2508032 (1950-05-01), Kennedy
patent: 2598498 (1952-05-01), Brown
patent: 3134468 (1964-05-01), Toti et al.
patent: 3396499 (1968-08-01), Biffani
patent: 3448955 (1969-06-01), Fussell
patent: 3919603 (1975-11-01), Salvati

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