B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
26/144
B21D 53/74 (2006.01) E06B 3/267 (2006.01) E06B 3/263 (2006.01)
Patent
CA 1186140
ABSTRACT OF THE DISCLOSURE The invention provides a novel method for manufacturing a heat insulating sash bar comprising two face members connected together with two connecting members formed of a heat insulating material which is pourable and is cured or solidified after impregnating the space between the face members of a bar material of, for example, aluminum composed of two oppositely positioned face members connected together with at least one inner connecting part to have, for example, an H-wise cross section and provided with one or two pairs of inwardly extending flanges each on one of the face members. A belt-like strip of sheet made of a heat insulating material is placed on and bridging a pair of the flanges to form a groove- like channel with the strip as the bottom and the face members as the side walls and, after filling the groove-like channel with the pourable heat insulating material to connect the face members, the inner connecting part is at least partly cut off over whole length to thermally isolate the face members from each other. Thereafter, another strip of sheet is placed on and bridging the other pair of the flanges to form a second groove-like channel including the sections of the inner connecting part cut off and the second groove-like channel is filled with the pourable heat insulating material to cover and protect the sections of the inner connecting part from corrosion by the atmospheric influence.
403980
Doguchi Nobushige
Nagai Yoshitaka
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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