US PATENT SUBCLASS 412 / 6
.~ Of edge fastening
Current as of:
June, 1999
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412 /
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BOOKBINDING: PROCESS AND APPARATUS
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PROCESS
{5}
6
.~ Of edge fastening {1}
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.~.~
> 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.