Foam material insulating tube of flexible foamed plastic with a the pipe jacket to be opened in the direction of the longitudinal axis of the tube closure system as well as a method for the manufacture of such a seal system

摘要

1. An insulating foam tube consisting of flexible synthetic resin foam and comprising an interlocking closure system capable of being opened along the longitudinal tube axis, characterized in that the closure system is a zipper-like interlocking dented closure (2).