| Title of Invention | A METHOD OF MAKING A DIMENSIONALLY HEAT RECOVERABLE TUBLAR ARTCLE |
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| Abstract | A dimensionally heat recoverable tubular article (1) is made by spirally wrapping cross-linked Polymeric sheet (3) a number of times, and directly fusing together overlapping layers (5) of the cross, linked sheet (3) to form a consolidated tubular article. The final article has a wall thickness of at least t 2.2mm. Articles according to the invention may be made of different diameter and different wall thickness, starting from the same thickness initial sheet material, simply by changing the circumference of wrapping or the number of spiral wraps. Articles according to the invention are particularly useful as casings over joints between district heating pipes. |
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| Patent Number | 193257 | ||||||||||||
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| Indian Patent Application Number | 919/MAS/1996 | ||||||||||||
| PG Journal Number | 35/2005 | ||||||||||||
| Publication Date | 16-Sep-2005 | ||||||||||||
| Grant Date | 19-Jul-2005 | ||||||||||||
| Date of Filing | 30-May-1996 | ||||||||||||
| Name of Patentee | N V RAYCHEM SA | ||||||||||||
| Applicant Address | DIESTSESTEENWEG 692, 3010 KESSEL-10 | ||||||||||||
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| PCT International Classification Number | B65B53/00 | ||||||||||||
| PCT International Application Number | N/A | ||||||||||||
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