Brief introduction of several common binding forms of hardcover
Hardcover book is a more binding form in book publishing. Compared with paperback books, hardcover books have the advantages of exquisite materials, solid binding, beautiful decoration, and long-term preservation. Hardcovers are generally used for classic books, fine print books and frequently-read reference books. With the development of publishing business, more and more hardcover books.
Several common forms of hardcover books:
1. Divided according to the form of the spine, there are two kinds of square spine and round spine.
1. The square spine is thicker than the book block. Due to the folding of the book block and the cable thread, the height of the book spine is higher than that of the book block, and the more printed sheets, the more obvious. Therefore, hardcover books with square spine should not be too thick, generally suitable for spine within 20mm.
2. The rounded spine has slightly different positions because of the front and back stickers. The folding position of the stickers is slightly semicircular, distributed on an arc surface, and its thickness is balanced. The flip of the book block conforms to the convex circle of the book spine, and is concave. Therefore, it is better to use a round spine for thicker books. The round spine book is rounded after the round spine is processed. Generally, the thickness of the book block is the chord and the angle of the arc is 130 °. The round ridge can be divided into two types: round back without ridge (only rounded without ridge) and round back with ridge (rounded ridge, the height of the ridge is generally the same as the thickness of the cardboard of the book case).
Second, according to the materials used, it can be divided into two kinds: the same ridge surface and the different ridge surface.
1. The spine is the same material, that is, the spine and the cover are made of the same material. There are two kinds of square ridge and round ridge. Hardcover fabrics are usually made of paper, fabric, lacquered paper, varnished cloth, etc., and are generally equipped with protective seals. However, there is a kind of book printed with titles, patterns, etc. on the whole paper surface and laminated on the cardboard. Most of these books are square ridges without a protective cover.
2. The spine is different, that is, the spine and cover are made of different materials. Usually, the spine is made of fabric, and the paper is mounted on the hard paper version as the cover. This form is usually a round ridge without a protective cover.
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