US PATENT SUBCLASS 28 / 129
.~.~.~.~.~.~.~ With curved or tapered contour

Current as of: June, 1999
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28 /   HD   TEXTILES: MANUFACTURING

100  DF  TEXTILE PRODUCT FABRICATION OR TREATMENT {4}
103  DF  .~ Fiber entangling and interlocking {4}
116  DF  .~.~ Compressive manipulation {8}
123  DF  .~.~.~ Of nonplanar article or fabric {2}
125  DF  .~.~.~.~ Coil or circular article manipulation {3}
126  DF  .~.~.~.~.~ By roller pocket {2}
128  DF  .~.~.~.~.~.~ Discontinuous roller surface {1}
129.~.~.~.~.~.~.~ With curved or tapered contour

DEFINITION

Classification: 28/129

(under subclass 128) Method or apparatus wherein the discontinuous exterior article or item contacting surface of a cylindrical or round cavity or pocket forming member gradually varies in profile along its longitudinal axial extent or a portion thereof.