SU29832A1 - Book binding - Google Patents

Description

The invention aims to make the book more free to be extended, up to a complete bend, by using a hard spine and glued from two cardboard covers of the binding, of which one cover has an upper cardboard, consisting of two unequal parts.

In FIG. 1 shows schematically the book in the proposed pen. whip up; 2 - the same

in open form; FIG. 3rd 1e in a bent state.

In the proposed book binding, each lid consists of two cardboard boards glued together, inner a and a and outer b, b, and on the top lid the outer carton is made up of two parts - a smaller part (strip) e, c and a larger 6. Part b is tightly fastened to the inner cardboard a, while the strip e, e is not connected to cardboard a and is attached only to the fabric connecting the spine to the lids. The stub C is rigid and not unbendable. In thin books in the spine, the strip e, e of cardboard is simply replaced by a free space of that size which is necessary for the free extension of the spine of the book; in this case, the spine is fastened directly to the outer frame (4)

tone book For books with the right-to-left reading process (Jewish, Arabic, etc.), a bar e, e is placed on the bottom cover of the book.

An additional option to the above basic design will be a version with two equal strips e, e, on each of the covers of the binding, consisting of two cardboard.

The subject matter of the invention.

1. A book binding, characterized in that instead of the usual flexible binding root, a hard non-bending root C (Fig. 1) is applied, fastened using a fabric, both with the bottom and with the top cover of the binding, each of which consists of two, cardboard-internal a and a and external b, b fastened together; one of the external cardboards (the upper or lower cover of the bookbinding, looking in what direction the book should open when reading) consists of two unequal parts - a larger b fastened tightly with inner cardboard and e, e, which is unrelated to the inner. cardboard, but attached to the fabric that connects the spine to the lids.

2. The modification of the binding indicated in paragraph 1, characterized by the use of two identical extensors e, e, symmetrically located on both sides of the spine on both the upper and the lower covers of the binding.

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