(under subclass 1) Method in which is recited a step of advancing material by the use of flowing substance (e.g., gas, liquid or discrete, finely divided particles), movement being imparted to said substance in the desired direction of advance and thereby moving the material by the substance impinging on the material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
95, for a device in which pneumatic pressure effects adherence of material to a material advancer.
97.1+, for analogous apparatus capable of performing the method of this subclass (7).
SEE OR SEARCH CLASS
57, Textiles: Spinning, Twisting, and Twining,
279+, threading up apparatus or process that may use fluid current to advance the material*. 83, Cutting,
22, and 24 for analogous method in combination with severing means.
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.
