(under subclass 615) Subject matter wherein the guide uses liquid or gas to float the material above the guide.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
640+, for a fluid support or guide for a running length of a flexible sheet, web or strand of treated material contacted by gas or vapor circulation apparatus.
65, Glass Manufacturing,
182.1+, for a fluid support means for an article or preform.
226, Advancing Material of Indeterminate Length, may include
a nominal recitation of a supply or take-up coil (e.g., less than a support for such a coil or a cooperative relationship between a tension or exhaust detector and reel driving or reel stopping means, etc.), 97.1+, for fluid current means to advance the material.
261, Gas and Liquid Contact Apparatus,
80, for a contact device for a traveling strip.
406, Conveyors: Fluid Current, for apparatus and methods conveying solid material or articles which are guided or supported to travel along a path by means of or with assistance of a fluid current.
