US PATENT SUBCLASS 19 / 269
.~.~.~.~.~ Gravity pressure means

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

65 R  DF  WORKING {8}
236  DF  .~ Drafting {7}
258  DF  .~.~ Roll type {9}
266  DF  .~.~.~ Pressure-applying devices {9}
267  DF  .~.~.~.~ With releasing means {2}
269.~.~.~.~.~ Gravity pressure means

DEFINITION

Classification: 19/269

(under subclass 267) Method or means, in which the pressure applying device is a mass whose weight constitutes the source of roll-urging force, and including a step of or means for elevating such mass to render the weight ineffective upon the roll.