US PATENT SUBCLASS 412 / 7
.~.~ Marginally perforated sheet

Current as of: June, 1999
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412 /   HD   BOOKBINDING: PROCESS AND APPARATUS

1  DF  PROCESS {5}
6  DF  .~ Of edge fastening {1}
7.~.~ Marginally perforated sheet

DEFINITION

Classification: 412/7

Marginally perforated sheet(*):

(under subclass 6) Process wherein the sheets(*), signatures(*), or quires(*) are provided with an aperture adjacent an edge thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38, for apparatuses for edge binding a marginally perforated sheet.

SEE OR SEARCH CLASS

140, Wireworking,

92.3+, for processes including the interlacing of a rotated helix with marginal perforations of a plurality of sheets.