US PATENT SUBCLASS 162 / 202
.~ Running or indefinite length work forming and/or treating processes (e.g., web)

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

100  DF  PROCESSES AND PRODUCTS {31}
202.~ Running or indefinite length work forming and/or treating processes (e.g., web) {6}
203  DF  .~.~> Forming single web between opposed forming surfaces
204  DF  .~.~> Subsequent treatment of formed web {2}
208  DF  .~.~> Treatment of slurry on mold surface {2}
211  DF  .~.~> Inhibiting or restricting drainage through mold
212  DF  .~.~> Directing slurry into association with mold {4}
217  DF  .~.~> Suction through mold

DEFINITION

Classification: 162/202

(under subclass 100) Processes peculiarly adapted to the production and/or treatment of endless fibrous webs.

(1) Note. In this and the indented subclasses may be found (1) processes for producing a fibrous web from a water slurry, (2) certain processes not elsewhere provided for, treating a fibrous waterlaid web either during or after manufacture of the web, and (3) combinations of (1) and (2) above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

218+, for processes producing or treating discrete articles as distinguished from endless webs.

289, for paper making apparatus producing and/or treating a running length product.