SCORER USER’S MANUAL
6
P E R F E C T B A C K ™ C O V E R
B I N D I N G S T Y L E S
IV
F I G U R E 6
F I G U R E 7
Powis Parker offers three ways to bind books with great-looking
wraparound covers. With our Fastback® binding system, you may
use our Perfectback™ LF, PS, or TA strips. All are specially
designed to be used with your Scorer. You can have a spine that is
either fully bound to the edge of your book block or one that floats
freely away from it when your book is opened.
The strips are available in three widths: Narrow, Medium and Wide
(to accommodate books up to 350 sheets), and a variety of lengths,
including 11” and A4. Custom lengths can also be provided.
Ask your dealer for details.
You may use a wide variety of cover stocks to create the document
look you want. Your covers may be offset, inkjet or laser printed.
Heat-sensitive inks or toner-based digital printing are fine to use.
Select the proper Perfectback™binding strip for your application.
A. Perfectback™ LF strips
LF strips (patent pending) allow you
to make wraparound covers where
the spine of your book will lay flat
when your opened — hence, the
name LF. These binding strips are
engineered to form a spine that hinges free from the bound spine of
your book block (figure 6). You get a book that opens easily without
creasing or damaging the title surface of your spine. You can also do
the final binding of your cover to your book block without heat. —
for the freedom to use cover materials or printing methods that are
heat-sensitive without worry. LF strips are identified by two thin
release strips along both edges.
This spine style requires two scores on the front and the back to
create the unique ‘hinge’ at the cover’s corners. These scores are
best created by using the Double Die Holder on your Scorer.
B. Perfectback™ PS strips
PS strips (patent pending) have a pressure
sensitive adhesive for assembling books —
thus, the name PS. These strips enable
you to use printing methods and cover
materials for your wraparound covers that
are heat-sensitive. The entire spine of the
book you create is permanently bound to your book block (figure 7).
PS strips are identified by a single thin release strip along one edge.
Either single or double scores on the front and back cover edges will
work for this type of binding. Double scores add an attractive-looking
visual or folding feature near the spine edge of your covers.
C. Perfectback™ TA strips
Perfectback™TA strips bind your wraparound cover to your book
block with an adhesive that is temperature-activated — this is why
they are called TA strips. As with the
binding of your book block, final binding of
the cover is done on a Fastback® binder.
Your cover is bound entirely to the bound
spine of your book block (figure 7).
Heat-sensitive cover materials or printing
are not suitable for this method.
Patented Perfectback™ TA strips are identified by a single smooth
surface on the back (curved out) side of the strip.
You can put either single or double scores on the front and back
edges of your cover for this type of binding. Double scores add an
attractive visual/folding feature near the spine of your cover.
(42 pages)
(23 pages)
(60 pages)
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