|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B32B-001/10 A45C-007/00 B32B-031/20|
|미국특허분류(USC)||156/66 ; 156/92 ; 156/93 ; 156/182|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 0|
A three-piece tote bag and method of construction is described. The bag includes two end panels which are assembled to a body panel with zippers. The periphery of the end panels are provided with zipper halves which engage cooperating zipper halves along the side edges of the body panel to form the bag. Each of the three panels are produced in a flat condition and contain stiffening means and insulative material between outer cover and inner liner sheets. The panels are sealed about their peripheral edges and the zipper halves are stitched to the panel e...
A method of making a zipper bag including the steps of: A. producing a cover subassembly comprising: 1. providing a generally rectangular cover sheet of thermoplastic material; 2. securing a rigid base board to the middle of said cover sheet; B. producing a liner subassembly comprising: 1. providing a liner sheet of thermoplastic material; 2. securing rigid inserts adjacent the ends of said liner sheet; C. producing a body panel by superimposing said liner subassembly with said cover subassembly on a flat surface and bonding together the edges of said li...