Micro-abrasive blasting device

Micro-abrasive blasting device

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Printed copies of patents are furnished by the Patent and Trademarks Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231 the body portion; and a colored powder coating on the fingers. US. Patent 6,397,491. June 4,2002 JJ Gilbert, Avon, Corm

Apparatus for curing ink, paint, and coatings on containers and articles comprising a rotatably mounted assembly that includes a plurality of workpiece stations disposed about the periphery thereof; an ultraviolet radiation emitter disposed next to the periphery of the rotatably mounted assembly; means including a mechanical mechanism, for sequentially positioning respective workstations directly in front of the emmiter.

U.S. Patent 6,397,896. June 4,2002 T Takahashi, et al., assignors to Usui Kokusai Sangyo Kaisha Ltd., Shizuoka, Japan

A heat and corrosion-resistant steel pipe having a multilayered coating comprising a zinc-nickel alloy plating layer deposited on the outer surface and a polyvinyl fluoride layer formed on the alloy plating layer with an epoxy resin there between as an intermediate layer, wherein a nickel plating layer of 0.2 to lO?m thickness is further disposed between the outer surface of the steel pipe and alloy plating layer and wherein the nickel content in the alloy plating layer is 2 to 20%.

US. Patent 6,398,002. June 4,2002 R. Choquette, et al., assignors to Otis Elevator Co., Farmington,

Conn.

A combplate assembly for use with a people-moving device, comprising a body portion; a plurality of fingers extending away from June2003

US. Patent 6,398,128. June 4,2002 R. J Hamilton and G.P. Ferrazza, assignors to Spraying Systems Co., Wheaton, Ill.

A spray nozzle assembly comprising a nozzle body and a spray tip adapted for releasable securement to the body

US. Patent 6,398,462. June 4,2002 TM. Fulkerson, assignor to Nordson Corp., Westlake, Ohio

Apparatus for delivering powder from a powder container to a powder spray coater, the apparatus including a source of negative air pressure; a tube including a first lengthwise passage connected to the source of negative air pressure and having a powder inlet and a powder outlet; fluidization structure connected with the tube adjacent the powder inlet and including a pressurized air outlet oriented generally toward the powder inlet to direct air generally down into the powder container and constructed to prevent substantial radially outward directed air flow from the air outlet, an air diffusing member located at the air outlet for diffusing the air discharged from the air outlet, and a source of positive air pressure connected to the air outlet for delivering positively pressurized air to the air outlet and fluidizing the powder as the powder is suctioned into the powder inlet by the negative air pressure.

US. Patent 6,398,628. June 4,2002

B. B. Groman, Margate, Flu.

A micro-abrasive blasting device comprising a chamber having a side wall, a first end wall at one end of the chamber, and a second end wall at an opposite end of the chamber; a gas-receiving port in the second end wall; a gas-delivery conduit disposed within the chamber and extending in fluid communications from the gasreceiving port towards the first end wall; a discharge port in the first end wall; a discharge conduit disposed within the chamber and extending in fluid communications through the discharge port external to the chamber, wherein means for flow control is located on the discharge conduit.

I. Ota, et al., assignors to Nissan Chemicals Industries, Ltd., Tokyo, Japan

A composition for polishing alumina disks comprising a stable aqueous silica sol containing moniliform colloidal silica particles.

U.S. Patent 6,398,854. June 4,2002 H. Aonuma,

assignor to Central

Glass Co., Ltd., Ube, Japan

A chemical solution for forming a silver film on a substrate comprising an ammoniac silver nitrate solution; a separate reducing solution containing a reducing agent and a base component; and an additive containing a compound of polyvalent metal selected from the group consisting of trivalent bismuth, trivalent aluminum, and trivalent iron, the additive being contained in at least one of the ammoniac silver 141