|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-008/06 B65D-008/12 B65D-008/20|
|미국특허분류(USC)||220/062.18; 220/592.16; 220/592.17; 220/906|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 5|
A double-walled container and method of manufacturing are disclosed. A first container having a smaller diameter than a second container is inserted into the second container. A portion of the first container is expanded and/or a portion of the second container may be narrowed so that first and second container is interlocked and form a double-walled container. The first and/or second containers may have ribs. An air gap between the first and second containers provides thermal insulation to contents of the double-walled container.
1. A method of manufacturing a metal double-walled container comprising: providing a first metal container having a diameter X;providing a second metal container having a diameter Y, wherein the diameter Y is larger than the diameter X;inserting the first metal container into the second metal container; andinterlocking the first metal container and the second metal container so that a gap lies between a first portion of the first metal container and a first portion of the second metal container, wherein interlocking comprises: inserting an expansion die ...