US PATENT SUBCLASS 162 / 281
.~.~ Cylinder and doctor

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

Internet Version by PATENTEC © 1999      Terms of Use


162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
280  DF  .~ Web creping or crinkling type {1}
281.~.~ Cylinder and doctor {1}
282  DF  .~.~.~> Circumferentially grooved cylinder

DEFINITION

Classification: 162/281

(under subclass 280) Apparatus in which a solid scraping means removes a web product from the circumference of a drum

which scraping means causes crowding of the material on itself.