US PATENT SUBCLASS 100 / 89
.~.~ Within group of three or more rolls


Current as of: June, 1999
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100 /   HD   PRESSES

70 R  DF  WITH ADDITIONAL TREATMENT OF MATERIAL {6}
76  DF  .~ Winding or folding sheet, web or strand {9}
89.~.~ Within group of three or more rolls


DEFINITION

Classification: 100/89

(under subclass 76) Apparatus in which the means for bending the material is a group of positively driven circumferentially spaced rolls and the material is wound into a bale within the space between the rolls, the wound bale being contained in said space.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86, for presses which wind a sheet or web about a mandrel and employ an opposed presser roll or rolls.

155+, for concurrent conveying and pressing presses of the roll type, particularly subclasses 173+ for roll type concurrent pressing and conveying presses with material handling or guiding means.

210, for roll and platen presses in which the material is compressed by rolling motion between a stationary surface and a roll.

SEE OR SEARCH CLASS

28, Textiles: Manufacturing, 125, for apparatus in which material to be felted is rolled up and worked in a machine in a rolled form and subclass 126 for apparatus in which material to be felted is rolled up and worked between a plurality of rolls so arranged as to provide a cavity between them in which the roll pack is held and worked.