US PATENT SUBCLASS 156 / 62.4
.~.~.~ Liberation or formation of fibers

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
62.2  DF  .~.~ With formation of lamina by bulk deposition of discrete particles to form self-supporting article {3}
62.4.~.~.~ Liberation or formation of fibers

DEFINITION

Classification: 156/62.4

(under subclass 62.2) Processes which include the step of (1) forming the discrete fibers from molten plastic material (2) cutting of filaments to produce fibers approximating in length the staple fibers of natural origin or (3) liberating bonded fibers from a fiber containing material.

(1) Note. Glass is considered a plastic material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

370+, for apparatus for forming self sustaining bodies combined with means to form particles or means to liberate particles.

SEE OR SEARCH CLASS

65, Glass Manufacturing,

376+, for processes of forming fiber or filaments from molten glass; subclasses 484+ for glass fiber or filament forming apparatus. 264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

115+, for formation of particles other than glass combined with a molding operation.