| 摘要 |
AN IMPROVED WALLET SIZE CARD BOOK WHICH HAS BEEN ADAPTED TO HOLD A CARD HAVING THE DIMENSIONS OF A CONVENTIONAL CREDIT CARD, AND IS PARTICULARLY DESIGNED TO BE CARRIED IN THE CREDIT CARD COMPARTMENT OF A WALLET OR SIMILAR SIZE COMPARTMENT HOLDER. THE CARD BOOK COMPRISES: A) A COVER HAVING A FOLD WHICH DIVIDE THE COVER INTO A FRONT COVER PANEL AND A REAR COVER PANEL; B) PLURALITY OF LEAVES ATTACHED ALONG ONE MARGINAL EDGE AT THE FOLD TO FORM PAGES, EACH OF THE LEAVES AND THE FRONT AND REAR COVER PANELS BEING COEXTENSIVE; C) A FLOOD COATED ADHESIVE SEALING THE FRONT SURFACE OF THE FIRST LEAF TO THE INNER SURFACE OF THE FRONT COVER PANEL; D) A ADHESIVE STRIP EXTENDING ALONG AT LEAST TWO ADJACENT EDGES OF THE REAR SURFACE OF THE FIRST LEAF; AND E) A POCKET FORMED BY THE FRONT SURFACE OF THE FRONT COVER PANEL AND A SECOND LEAF BEING SEALED TO THE FIRST LEAF ALONG THE TWO ADJACENT EDGES BY THE ADHENSIVE DTRIP. THE USE OF THE ADHENSIVE STRIP ALONG THE ADJACENT ADGES OF THE FIRST LEAF IN THE CARD BOOK MAKES IT POSSIBLE TO CREATE A PROPERLY FORMED POCKET FOR HOLDING AND PROTECTING THE CARD. THE PREFERRED ADHENSIVE FOR THE STRIP INCLUDE LATEXES OF POLYVINYL ETHYLENE, POLYVINYL ACETATE, OTHER ACRYLICS, AND COPOLYMERS THEREOF. THE PREFERRED ADHESIVE IS A POLYVINYL ACETATE COPOLYMER LATEX HAVING A GLASS TRANSITION TEMPERATURE (TG) APPROXIMATELY ROOM TEMPERATURE OR BELOW.
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