CONTAINER WITH DOUBLE WALLS AND METHOD OF ITS MANUFACTURING Russian patent published in 2014 - IPC B65D81/38 

FIELD: packaging industry.

SUBSTANCE: invention relates to containers with double walls for beverages, and also to a method of manufacturing the containers with double walls. Object of the invention is to provide a container with double walls, capable of taking many forms, such as a container in the form of a glass for beer expanding upwards, can for beverages, or bottle. The method of manufacturing the container with double walls is disclosed, comprising: providing a first metallic container having a diameter X; providing a second metal container having a diameter Y, at that the diameter Y is greater than the diameter X; inserting the first metal container into the second metal container; and the interlocking of the first metal container and the second metal container so that there is a gap between the first part of the first metal container and the first part of the second metal container. At that the interlocking of the first metal container and the second metal container includes increasing the diameter X of the second part of the first metal container until at least the second part of the first metal container comes into contact with the second part of the second metal container, and reducing the diameter Y of the second part of the second metal container so that to interlock the first metal container and the second metal container.

EFFECT: creation of a container with double walls, capable of taking many forms, such as a container in the form of a glass for beer expanding upwards, can for beverages, or bottle.

15 cl, 18 dwg