Claims
- 1. A shell for protectively enveloping insulation of pipes and their fittings comprising a thermoformed laminate of
- (a) a layer having a thickness of about 0.0015 to 0.004 inch consisting essentially of polyvinyl fluoride,
- (b) a polycarbonate layer having a thickness of about 0.005 to 0.060 inch and
- (c) a heat activated, stretchable adhesive layer having a thickness of about 0.0002 to 0.0004 inch interposed between said (a) and said (b).
- 2. The shell of claim 1 wherein said polyvinyl fluoride layer contains a UV absorber.
- 3. A shell for protectively enveloping insulation of pipes and their fittings comprising a thermoformed laminate of
- (a) a layer having a thickness of about 0.0015 to 0.004 inch consisting essentially of polyvinyl fluoride,
- (b) a polycarbonate layer having a thickness of about 0.005 to 0.060 inch and
- (c) a heat activated, stretchable acrylate based-adhesive layer having a thickness of about 0.0002 to 0.0004 inch interposed between said (a) and said (b).
Parent Case Info
This application is a continuation of application Ser. No. 08/194,556 filed Feb. 10, 1994, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4368231 |
Egert et al. |
Jan 1983 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
194556 |
Feb 1994 |
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