US PATENT SUBCLASS 242 / 419.3
.~.~.~ Pneumatic or magnetic

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

Internet Version by PATENTEC © 1999      Terms of Use


242 /   HD   WINDING, TENSIONING, OR GUIDING

410  DF  TENSION CONTROL OR BRAKE {3}
416  DF  .~ Supply controlled {6}
419  DF  .~.~ Drag on running material {6}
419.3.~.~.~ Pneumatic or magnetic

DEFINITION

Classification: 242/419.3

Pneumatic or magnetic:

(under subclass 419) Subject matter wherein the apparatus for

regulating tension in the elongated material utilizes either: (a) positive or negative air pressure, or (b) magnetic flux.

SEE OR SEARCH THIS CLASS, SUBCLASS:

147, for an air pressure tensioning means for a strand.

150, for a magnetic operator for a disk brake acting against a strand.