Book cover

Patent name: a book patent application number. 4
Publication number: 2581181
Applicant: Wu Xinle This patent provides a paper book cover that is simple and convenient to design and enables it to be commercialized. This book cover is composed of a rectangular outer cover and a lining cover, characterized in that the outer cover is inserted into the lining cover. The inner lining cover and the outer cover of the book cover are integrally formed papers that are connected together, and one lining edge of the inner lining cover is bonded to the inner side of the outer cover. The inner lining cover and the outer cover of the cover are separate forming papers, and the two lining flaps of the inner lining cover are bonded to the inner side of the outer cover. The utility model makes the cover of the book expand and contract freely in the book cover, the book opening and closing are not limited, and the service life of the book cover can be increased. At the same time, because the book cover can be made of paper products, it can be printed and cut as a whole, which is very beneficial to commercial production and environmental protection requirements.

Source: Guangdong Printing