US PATENT SUBCLASS 162 / 286
.~ With cutting, scoring, perforating or tearing


Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
286.~ With cutting, scoring, perforating or tearing


DEFINITION

Classification: 162/286

(under subclass 232) Apparatus combined with (1) means causing separation of a unitary portion of a web or article into separate parts, (2) means forming holes by piercing or perforating means or (3) means incising or scratching the surface of a pulp body.

(1) Note. The combined means may be either a solid instrument or a fluid jet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109+, for processes involving a step of making a nonuniform, irregular or configured web or sheet, and see especially subclass 114 for perforating processes.

193, for processes involving the formation of a lead strip.

194+, for forming processes combined with a step of cutting or slitting.

SEE OR SEARCH CLASS 83, Cutting, appropriate subclasses, for apparatus for cutting and slitting when not combined with a paper-making step.