Apparatus for coating by flame hydrolysis

Details Apparatus for coating by flame hydrolysis Apparatus for coating by flame hydrolysis

A - Human Necessities

61

C

32/23

A61C 5/10 (2006.01) B05B 7/20 (2006.01) B05B 13/02 (2006.01) C23C 4/00 (2006.01)

Patent

CA 1229223

Abstract The invention relates to an improvement in known apparatus for coating an object by exposure to a flame from a flame hydrolysis burner. Typically, the object is a dental device to be coated with silica and a source of silica is supplied to the burner. The apparatus includes a carousel mounted for rotation about an axis and support arms which extend radially from the axis of rotation of the carousel. The device to be coated is positioned on a mount at the end of a support arm. To provide optimum utilization of the flame from the burner and to achieve equal coating on all sides of the dental device, without having to rotate it in the flame, a flame deflecting baffle is provided positioned behind the support arm with respect to the direction of the flame.

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