B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/184
B23P 15/00 (2006.01) E06B 3/267 (2006.01)
Patent
CA 1235889
METHOD FOR MANUFACTURING A HEAT INSULATING SHAPED BAR Abstract of the Disclosure: A method for manufacturing a heat insulating shaped bar including a pair of spaced side walls and a heat insu- lating connecting portion formed by heat insulating material and connecting the pair of side walls together from an integrally extruded metal shaped bar having the pair of side walls and a connecting wall (or walls) extending and con- necting between the side walls is disclosed. The connecting wall(s) includes on one surface thereof a recess having sloped sides and extending longitudinally of the metal shaped bar and the method includes a step of cutting the material of the connecting wall(s) from the other surface at the area of the recess.
457670
Doguchi Nobushige
Nagai Yoshitaka
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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