US PATENT SUBCLASS 264 / 171.11
.~.~ Including extrusion on or about plural discrete end-to-end or discrete side-by-side preforms (e.g., definite length preform, etc.)

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
171.1  DF  .~ Layered, stratified traversely of length, or multiphase macrostructure containing material (e.g., conjugate, composite, islands-in-sea, core-sheath, etc.) {8}
171.11.~.~ Including extrusion on or about plural discrete end-to-end or discrete side-by-side preforms (e.g., definite length preform, etc.)

DEFINITION

Classification: 264/171.11

Including extrusion on or about plural discrete end-to-end or discrete side-by-side preforms (e.g., definite length preform, etc.):

(under subclass 171.1) Processes wherein a plurality of discrete preforms or bases of finite length are aligned in abutment or end-to-end relationship, not necessarily in physical contact, with formation of an indefinite or continuous layer of plastic material on or about said preforms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

149, for processes of extruding a continuous length article around a moving preform with cutting thereof to length.

166, for processes of forming an indefinite length body in which a core mold or shaping surface may be formed or the core mold or shaping surface employed in the process is removed or destroyed, wherein at least for an interval of time, the mold and the molding material may be in a composite relationship.

323, for processes in which reshaping of a solid noncontinuous preform is effected by establishing a rubbing, wiping or sliding action between the preform and a shaping surface.