guard
1. A strip of cloth or paper pasted around or into
a section of a book so as to reinforce the paper
and prevent the sewing thread from tearing
through. This type of repair is sometimes required
after a book has been pulled for rebinding, either
because the folds of the section were torn because
the sewing thread pulled through the paper, or the
outer fold was damaged during the removal of the
old glue on the spine. A guard may also be
required for leaves or plates that have become
frayed or detached at the inner edge. The material
used for the guard must be strong yet thin so as
not to cause undue swelling in the spine of the
book. When paper is used for the guard, its MACHINE DIRECTION
should run from head to tail of the section. 2. A
strip of cloth or paper on which an illustration,
map, etc., may be attached and sewn through with
the section, thus allowing free flexing. Four-page
(two folios) plate units are also strengthened in
this manner before sewing. A leaf to be positioned
at t he beginning or end of a section is guarded
on the inside, while an interior leaf is guarded
on the outside. In both cases the sewing thread
passes through the center of the guard. See
also:COMPENSATION
GUARD ;CONTINUOUS
GUARD ;GUARDED
IN ;PLATE
ATTACHMENT ;REVERSED V-GUARD ;THROW OUT . 3. See:
STUB (1) .
(83 , 107 , 161 , 335 )
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