US Patent 7869756 Bookbinding apparatus and image forming system provided therewith

A bookbinding apparatus including an adhesive coating section which coats an adhesive onto a spine of a sheet bundle that a plurality of sheets are bundled, by relatively moving the adhesive coating section and the sheet bundle, adheres a cover sheet onto the spine of the sheet bundle onto which the adhesive has been coated by the adhesive coating section. The adhesive coating section includes: a coating member which coats the adhesive storing in ah adhesive tank onto the spine of the sheet bundle; a scraping member which scrapes the adhesive coated onto the spine of the sheet bundle; and a reservoir which stores the adhesive scraped by the scraping member.