Bookbinding process
AssigneeHenkel AG & Co. KGaA
InventorsDave G. Carter, Malcolm Graham, Kim Tagesen
Life of this patent
Estimating the term…
Abstract
A curable hot melt adhesive is used as a primer on a book block. A conventional thermoplastic hot melt is then applied on top of the reactive hot melt before the cover material is positioned.
Claims10
A method of improving the rounding process of hard cover books comprising applying a curable hot melt as a primer layer on a surface of a book block, applying to said primer layer a thermoplastic hot melt and positioning the cover material, and subjecting the book to a conventional rounding process
The method of 2 wherein the thermoplastic hot melt comprises ethylene vinyl acetate.
A process for binding books comprising applying a curable hot melt as a primer on a book block, applying to said curable hot melt a thermoplastic hot melt, and applying a cover material.
The method of 5 wherein the thermoplastic hot melt comprises ethylene vinyl acetate.
Dependencies are inferred from the claim text.