Claims
- 1. A system for insulating a pipe comprising:
- a length of tubularly shaped pipe insulation having a flexible outer cover secured thereto and a longitudinal split extending the length of said insulation, said cover having an overlapping flap forming a longitudinal edge thereof and being adapted to overlap an opposite edge of said cover when the insulation is installed on the pipe;
- means for detachably joining said overlapping flap to said opposite edge prior to permanent installation of said insulation; and
- means for permanently bonding said overlapping flap to said opposite edge to seal abutting portions of said insulation;
- said means for joining and said means for bonding comprising a tape construction having outer layers of pressure sensitive adhesive for joining said tape to said flap and said opposite edge, inner layers of bonding adhesive affixed to an inner surface of said layers of pressure sensitive adhesive for permanently bonding said flap to said opposite edge, and a removable interleaver film disposed between said bonding adhesive layers, said bonding adhesive layers having a bonding affinity only for each other thereby preventing adhesion thereof to other surfaces.
- 2. The insulating system as defined in claim 1 wherein said bonding adhesive layers are separated by said removable interleaver film prior to permanent installation of said insulation whereby said film is removed in order to join said layers of bonding adhesive.
- 3. The insulating system as defined in claim 1 wherein said tape construction includes outer release liners affixed to outer surfaces of said pressure sensitive adhesive, said release liners being removed prior to joining said tape to said flap and said opposite edge.
- 4. The insulating system as defined in claim 1 wherein said bonding adhesive comprises an elastomeric film containing material selected from the group consisting of styrene butadiene, polybutadiene, polyisobutylene, polyacrylates, polyvinyl acetates, polybutene, polyisoprene, polyisobutene, and a mixture thereof.
Parent Case Info
This is a divisional of co-pending application Ser. No. 033,203filed on Apr. 2, 1987, now U.S. Pat. No. 4,778,703.
US Referenced Citations (16)
Divisions (1)
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Number |
Date |
Country |
Parent |
33203 |
Apr 1987 |
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