hard binding spotlight #4
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Inlay (back strip): A heavy but flexible paper strip used to stiffen the spine of a finished book.

Joint:  The grooves that run top to bottom (head to tail) on the outside of the cover itself, front and back, along which the boards hinge when they open.

Lining (super, mull, crash, and gauze): Material used to reinforce spines of library bound books.  This material is a part of the end paper system and provides the means for a firm connection between text block and cover, giving shape and firmness to the book.

Mechanical binding: Soft or hard type binding. Bindings utilizing wires, staples, or plastic.

Milling: The spines of books and periodicals can be cut away on a milling machine to prepare them for oversewing. A machine clamps the text block, spine down, and moves it over rotating blades, cutting away approximately 1/8 inch of the binding margin, removing old adhesive, thread, staples, and/or folds of signatures. After milling, a text block is comprised of loose leaves.

Notch/Notching: Parallel grooves cut into the spine perpendicular to the binding edge. The depth and the distance between the grooves can be adjusted to suit the size and weight of the text block. Notching (vs. not notching) increases the amount of surface area on the spine that comes in contact with the adhesive and increases the strength of some type bindings.

Round/Rounding (see back): The mechanical or manual manipulation of the spine of a text block into a convex shape (and the consequent manipulation of the fore edge into a concave shape).  Rounding usually precedes backing.  Rounding and backing help distribute the swell than naturally occurs with sewing and adhesive binding.

*Shoulder (joint, ridge, flange): Formed when a text block is backed. During this process the outermost leaves on both sides are bent out at 45 degrees along the binding edge. The ridge that is formed by this process, on either side of the spine, is the shoulder.

Hard binding Spotlight #5

Side Sewing: Method of attaching *signatures or individual pages together by sewing the entire text block, along the binding margin, in a single pass by machine. Meets library binding standard: ANSI/NISO/LIB Z39.78

*Tail: The bottom edge of a leaf, board, or bound volume; that is, the surface on which a volume rests when shelved upright.

Text Block: The pages/leaves of a book after they have been bound together. A group of printed or written pages that may be or have been bound, excluding all paper to be added by the bookbinder such as the endpapers, etc.

Trim Edge (or Margin): The edge of the page (leaf) or a board opposite from but parallel to, its binding edge (i.e., opposite from its binding edge).

Turn-in: The covering material that is turned over the outer edges of the binding boards and inlay. The turn-in protects the boards and inlay from wear.

* denotes a term that Gregath Publishing doesn’t normally use.

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For other writing, printing, publishing, marketing lingo, check our glossaries at http://www.gregathcompany.com/gloss.html and
http://www.gregathcompany.com/glosswrite.html

Run across a word that you don’t understand?  Try us – email us your word, term or phrase and we will see if we can shed some light on the matter!
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