C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/005 (2006.01) B22F 1/00 (2006.01) C03C 12/00 (2006.01)
Patent
CA 2700611
The present invention provides flake having a thickness up to 350 nm, the flake being made of basalt, ceramics, alumina, graphite, a metal, a metal oxide or a combination of any two or more thereof. Equipment for manufacturing such flake is also described as is a method for the manufacture of the flake. The equipment comprises a cup mounted for rotation and for receiving molten glass. The equipment further comprises either insulating means extending at least partially around said cup or means for heating the cup while it is rotating.
La présente invention porte sur un flocon dont l'épaisseur peut aller jusqu'à 350 nm; fait de basalte, de céramique, d'alumine, de graphite, d'un métal, d'un oxyde métallique ou d'une combinaison de deux ou plus de ces matières. L'invention décrit également un appareillage pour la fabrication d'un tel flocon ainsi qu'un procédé de fabrication du flocon. L'appareillage comporte une coupelle rotative pour recevoir du verre fondu; et soit des moyens isolants s'étendant au moins partiellement autour de la coupelle, soit des moyens pour chauffer la coupelle en rotation.
Gowling Lafleur Henderson Llp
Watkinson Charles
LandOfFree
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