US PATENT SUBCLASS 241 / 155
.~.~ All comminuting zones of cooperating surface type

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

Internet Version by PATENTEC © 1999      Terms of Use


241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
152.1  DF  .~ Series material flow only through plural comminuting zones {5}
155.~.~ All comminuting zones of cooperating surface type {3}
156  DF  .~.~.~> All comminuting zones of compound movement type
157  DF  .~.~.~> All comminuting zones of rotary surface type {2}
164  DF  .~.~.~> All comminuting zones of reciprocating surface type {1}

DEFINITION

Classification: 241/155

(under subclass 152.1) Apparatus in which all of the comminuting zones are the type in which the comminution is effected between cooperating surfaces.

(1) Note. In general, where a plurality of relatively movable surfaces cooperate with a single surface so as to treat the material serially, the device was considered to present plural comminuting zones and has been classified in this group. See the note to subclass 160 for an exception to this rule.

SEE OR SEARCH THIS CLASS, SUBCLASS:

139+, for such devices arranged in parallel or series-parallel.

198.1, for single comminutors of this type.