US PATENT SUBCLASS 264 / 281
.~.~ Longitudinally advanced coiling (nonplanar)

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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
280  DF  .~ Reshaping running or indefinite-length work {5}
281.~.~ Longitudinally advanced coiling (nonplanar)

DEFINITION

Classification: 264/281

(under subclass 280) Processes directed to production of helically coiled articles wherein each convolution of said coil is axially displaced from adjoining convolutions.

(1) Note. Patents reciting winding in place with no axial displacement or wherein each convolution is entirely superimposed over the preceding one are excluded from this subclass.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

169+, and 184+ particularly subclass 195, for winding combined with laminating or uniting.