Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

 Previous item  Up One Level Next item

metal back binders

Binders of the expanding-post type, generally with a steel or aluminum spine. Each side post has four alternately solid and tubular telescopic posts attached. The posts alternate so that a thin solid post is adjacent to a thick hollow post, which prevents looseness in any part of the binder. A key at one end of the spine plate operates a transmission rod to widen the distance between the clamping bars, thus allowing leaves to be inserted or removed. Because of the telescopic posts, this type of binder has a fixed minimum capacity, while the maximum is always twice the minimum. See also: LOOSE-LEAF BINDING ; MECHANICAL BINDING . (276 )




[Search all CoOL documents]


URL: http://cool.conservation-us.org/don/dt/dt2216.html
Timestamp: Saturday, 19-Nov-2011 13:18:43 PST
Retrieved: Thursday, 23-Nov-2017 01:50:41 GMT