book binding, glueing up
book binding, glueing up defined in 1909 yearbook binding, glueing up - book binding, glueing up;
book binding, glueing up - Glue is now applied to the back to hold the sections together, and make the back firm during the rounding and backing. Knock the book perfectly true at its back and head, and put it into the laying press between 2 pieces of old millboard; expose the back, and let it project from the boards a little, the object being to hold the book firm and to keep the slips close to the sides, so that no glue shall get on them; then with glue, not too thick, but hot, glue the back, rubbing it in, and taking the overplus off again with the brush.
A handful of shavings is sometimes used to rub the glue in, and take the refuse away, but a great quantity of glue is thus wasted. The Germans rub the glue in with the back of a hammer, and take away the overplus with the brush; this is better than using shavings. The back must not be allowed to get too dry, before it is rounded, or it will have to be damped with a sponge, to give the glue the elasticity required, but being wet is worse than letting it get too dry. The book should be left for about an hour, or till it no longer feels tacky to the touch, but still retains its flexibility. A flexible bound book should be rounded first, using a backing board to bring the sheets round, instead of a hammer; then the back is glued, and a piece of tape is tied round the book to prevent its going back flat.
All books are not glued up in the press; some workmen knock up a number of books, and, allowing them to project a little over their press, glue the lot up at once; others, again, hold the book in the left hand, and draw the brush up and down the back. These last methods are, however, only practised in "cloth shops," where books are bound or cased at very low prices. The proper way is to put the book in the press; and if more than one, they should be laid alternately back and fore-edge, with the back projecting about ½ in., and allowed to dry spontaneously, on no account being dried by the heat of a fire, as all artificial heat in drying in any process of bookbinding is injurious to the work.
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