E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/93
E04G 11/42 (2006.01) E04G 11/48 (2006.01) E04G 11/54 (2006.01)
Patent
CA 1115081
ABSTRACT OF THE DISCLOSURE A centering for casting concrete roofs comprising a rectangular steel construction including at least two longitudinal girders (1, 2) and a plurality of spaced cross beams (3) welded thereto constituting a support of a flat form board for casting. According to the invention, each one of said cross beams (3) is provided, at least at one end of the centering, with an extension arm (9) which can be moved lengthwise of the cross beam to adjust the total width of said steel construction so that it may be adapted to meet the requirements of supporting form boards with varying widths (Fig. 1). - 1 -
322498
Dahlstrom Claes-Inge S.
Swabey Ogilvy Renault
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