US 12,269,219 B2
Welded thermoplastic hybrid cooler and method of manufacturing same
Guoping Chen, Fujian Province (CN)
Filed by Evolution Outdoor LLC, Kilgore, TX (US)
Filed on Jun. 12, 2023, as Appl. No. 18/208,524.
Application 18/208,524 is a continuation of application No. 17/059,526, granted, now 11,673,344, previously published as PCT/CN2018/088627, filed on May 28, 2018.
Prior Publication US 2023/0321924 A1, Oct. 12, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 81/38 (2006.01); B29C 65/18 (2006.01); B29C 65/62 (2006.01); F25D 23/08 (2006.01)
CPC B29C 65/62 (2013.01) [B29C 65/18 (2013.01); B65D 81/3813 (2013.01); F25D 23/087 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An insulated cooler, comprising:
a body, comprising:
a front wall and a back wall, and opposing body side walls connecting the body front wall to the body back wall, wherein the body front, back and side walls each comprise soft thermoplastic; and
a base comprising rigid plastic connected to bottom edges of the body front, back and side walls with a first thermoplastic sealing strip heat welded to the bottom edges of the body front, back and side walls, and sewn to top edges of the base;
a lid at least partially connected to the body, the lid comprising:
a front wall and a back wall, and opposing lid side walls connecting the lid front wall to the lid back wall, wherein the lid front, back and side walls each comprise soft thermoplastic; and
a top comprising rigid plastic connected to top edges of the lid front, back and side walls via a second thermoplastic sealing strip heat welded to the top edges of the lid front, back and side walls, and sewn to bottom edges of the top; and
a zipper to closing the lid to the body.