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The back page can then be turned back to its correct position, thus hiding the spine of the book. Comb binding uses a 9/16" pitch rectangular hole pattern punched near the bound edge. A curled plastic "comb" is fed through the slits to hold the sheets together. Comb binding allows a book to be disassembled and reassembled by hand without damage.
The book's spine may be rounded and backed to keep it from caving in, but if the text block is too thick, the spine is sometimes left flat. [2] A strip of cloth called a super is then often affixed to the spine of the text block and then to the boards of the case. Oversewing can be done by hand but is usually done with a machine in a bindery.
Comb binding (sometimes referred to as "cerlox" or "surelox" binding) is one of many ways to bind pages together into a book. This method uses round plastic spines with 19 rings (for US Letter size) or 21 rings (for A4 size) and a hole puncher that makes rectangular holes.
A spiral bound notebook. Coil binding, also known as spiral binding, is a commonly used book binding style for documents. This binding style is known by a number of names (some trademarked) including spiral coil, color coil, colorcoil, ez-coil, plastic coil, spiral binding, and coilbind.
Wire binding is a popular commercial book binding method, and is known by various names, including double loop wire, double-o, ring wire, twin loop wire, wire comb, wire-o, wirebind and wiro. With this binding method, users insert their punched pages onto a C-shaped spine, and then use a wire closer to squeeze the spine until it is round. [1]
Book folding is the stage of the book production process in which the pages of the book are folded after printing and before binding. [ 1 ] Until the middle of the 19th century, book folding was done by hand, and was a trade.
According to J. A. Szirmai, the chain stitch binding dates from about the sixteenth century in Ethiopia and Eritrea. These books typically had paired sewing stations, sewn using two needles for each pair of sewing stations (so if there are 2 holes, use 2 needles...or 6 holes, 6 needles etc.). [1]
Automatic book trimming machine cutting two sides at once. Book trimming is the stage of the book production process in which the page edges of a book are trimmed so that all pages will stack with perfect edge alignment within the finished book jacket. The step before book trimming is the binding of the folded printing sheets