US PATENT SUBCLASS 412 / 6
.~ Of edge fastening


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

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


DEFINITION

Classification: 412/6

Of edge fastening:

(under subclass 1) Processes for fastening together a plurality of sheets(*), signatures(*), or quires(*) along one edge.

(1) Note. The fastening is usually by stitching(*), gluing, or similar methods and usually is permanent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33+, for apparatuses for performing an edge binding operation.

SEE OR SEARCH CLASS

281, Books, Strips, and Leaves,

21+, for bindings, per se, of a book.