Patent ID: 8480132

Claim:
A book cover core body for manufacturing a book cover member having a front cover part, a spine part and a back cover part which is made by gluing at least a front cover core and a back cover core at a predetermined interval to a reverse side of a book cover sheet with a book cover pattern, a title or the like drawn thereon, the book cover core body comprising: the front cover core of the book cover member; the back cover core of the book cover member; and a frame body, wherein the frame body comprises a holding part, and a peripheral edge portion extending from the holding part so as to surround i) peripheral edges of the front cover core via a first cutting line provided along a contour of the front cover core and ii) peripheral edges of the back cover core via a second cutting line provided along a contour of the back cover core, the holding part has a width corresponding to a width of the spine part, the front cover core and the back cover core are hold integrally through an intermediation of the holding part within the frame body, so that after the front cover core and the back cover core are glued to the reverse side of the book cover sheet, i) the front cover core is separated from the frame body by the first cutting line and the back cover core is separated from the frame body by the second cutting line, and ii) the holding part, which is separated from the front cover core and the back cover core, remains as a part of the frame body, which is not a part of the book manufactured from the book cover core body.