Book cover made from cardboard and sheet of flexible material - has outer edges of flexible material folded over edges of cardboard.

摘要

A book has a cover with rounded corners. The cover has an inner part made of cardboard which is enclosed in a sheet of flexible material. The cardboard inner part consists of two covers (1,2) which are connected to a spine (3). The cardboard is placed on the sheet (4) of flexible material which is larger than the cardboard so that there is a margin (5) surrounding the cardboard. A tongue (8) is formed at each corner of the sheet of flexible material. USE/ADVANTAGE - Book cover with rounded corners which are protected by a jacket of flexible material.