Patent ID: 6986630
Filing Date: 2006-01-17
Classification: B26D,B42C,B42P,Y10S,Y10T

Abstract:
1. A method of making a perfect bound book having a book block comprising a multiplicity of paper pages, a double laminated cover having a paper cover, an inner lamination and an outer lamination adhered to the inner and outer faces of said paper cover, said book block having one lateral edge thereof referred to as a spine, said method comprising the steps of: a. forming said book block; b. laminating a suitable plastic film to the outer face of said cover so as to constitute said outer lamination; c. laminating a suitable plastic film to the inner face of said cover so as to constitute said inner lamination, said cover with said inner and outer laminations adhered thereto forming said double laminated cover; d. after laminating said double laminated cover, roughening at least the surface of a central portion of the inner face of said inner lamination so that said adhesive will effectively bind said spine to said inner lamination in the area of said central portion; e. applying an adhesive so as to be disposed between said spine and said central portion of the inner face of said double laminated cover upon binding of the book; f. bringing said central portion of said double laminated cover and said spine of said book block into binding engagement with one another with said adhesive therebetween; and g. clamping said double laminated cover to said book block proximate said spine so that said adhesive adheres said double laminated cover to said spine of said book block.