A powder material moved and mixed by the application of a mechanical force. The moving of the bed of powder in a container while the container is in a vacuum under a vapor source produced by magnetron sputtering, thermal evaporation, or other means of producing a coating vapor such as plasma enhanced chemical vapor deposition (PECVD), provides a means of coating the particles of powder with a material which will impart certain other desirable characteristics to the base material of which the powder is composed. The range of and combinations of coatings include a pure metal, co-deposited metals, and non-metals formed by reactive magnetron sputtering, evaporation or PECVD, or a sequentially deposited coating of both metals and non-metals. The mechanical means may be by striking, stirring or a piezoelectric transducer may be used. The mechanical force may be imposed on an open moving container of the bulk material in a vacuum or an open stationary container of the bulk material in a vacuum.
A. Karen Bannister - West Warwick RI Kristen Brandriff - Brooklyn CT John A. Carlotto - Barrington RI Richard J. DiDonato - North Providence RI Virginia Haigh - Bronxville NY Edmond Sirois - Providence RI
Assignee:
Trifari, Krussman & Fishel, Inc. - East Providence RI
International Classification:
A44C 700
US Classification:
63 145
Abstract:
A support device for an earring which includes a back support. A back ear clamping member carried by the back support is adjustable to a forward and rearward position with respect to a front ear clamping member. The back ear clamping member is free to move limitedly in both a horizontal and vertical direction when either in forward or rearward adjusted position, but when in an intermediate position is substantially restrained from movement.
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