Simple card book , soft insert, envelope, album, cartridge, drawer box structure

 Simple card book , soft insert, envelope, album, cartridge, drawer box structure

This box type is a simple book with a paper envelope structure.

A form of short-packed books binding, also known as "paperback", is a form of framing commonly used in modern books after lead printing. The inside page of the short-loaded book paper double-sided printing, large paper folds after each stamp on the spine of the book stamped together, riding lock line, installed after the seal, in addition to books, three-sided cut can be made into a book. This method is called a "lock pin". Because the lock line is cumbersome and expensive, it is strong enough to fit thicker or focused books, such as dictionaries. Most of the use of the first cut the spine and then glue, do not lock the wire method, this method is called "wireless glue nails." It's economical, but not very strong, and is suitable for thinner or ordinary books. Between the 1920s and 1930s and the 1950s and 1960s, many books were in the form of wire double nails. In addition, some thinner books, with the inside pages and covers folded together directly in the spine fold through the wire, called "riding book." However, the wire is easy to rust, so it is not suitable for long-term preservation.

Soft insert scase, paper paper folding, drawer outer envelope, as a book cover, protection hardcover card book.