Pipe insulation with tape closure

Details Pipe insulation with tape closure Pipe insulation with tape closure

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 59/14 (2006.01) B29C 44/56 (2006.01) B29C 63/00 (2006.01) B29C 65/00 (2006.01) B29C 69/00 (2006.01) B29D 23/00 (2006.01) B32B 7/14 (2006.01) F16L 59/02 (2006.01) F16L 59/10 (2006.01)

Patent

CA 2103119

A method for applying a closing tape to an extruded foam article is disclosed. The tape is applied immediately after the article is extruded and while the article is still subject to shrinkage, which is common with extruded foamed products. The tape is prestressed and is of a material to alleviate the problems associated with shrinkage. This method is particularly appropriate for applying a closing tape to an extruded polyethylene pipe insulation product which has been longitudinally slit to allow the pipe to be located interior to the insulation. The tape has one side attached to one side of the slit with the other portion of the tape being positioned for closing the slit by engaging the opposite side of the slit. A pressure sensitive adhesive is provided on the tape and a release liner protects the adhesive on the other portion of the tape.

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