US PATENT SUBCLASS 26 / 105
.~.~.~ Bi-helical


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



26 /   HD   TEXTILES: CLOTH FINISHING

71  DF  EXPANDING DEVICE FOR TEXTILE WEBS {6}
87  DF  .~ Spreader {2}
99  DF  .~.~ Roller spreader {3}
105.~.~.~ Bi-helical


DEFINITION

Classification: 26/105

(under subclass 99) Spreader in which the opposite outward spreading of the running half-width increments is effected by contact with a respective one of a pair of helical configurations about the periphery of the roller, each winding oppositely outwardly from their common center.

SEE OR SEARCH CLASS

492, Roll or Roller,

35, for a roll, per se, having helically aligned surface projections, indentations or slits, not elsewhere provided for.