Noncombustible insulating duct
A flexible insulating duct excellent in both the noncombustibility and insulating characteristics as well as productivity, and formed by spirally winding a belt-like body which is obtained by wrapping glass wool or some other insulating material with a noncombustible cloth or some other noncombustib...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A flexible insulating duct excellent in both the noncombustibility and insulating characteristics as well as productivity, and formed by spirally winding a belt-like body which is obtained by wrapping glass wool or some other insulating material with a noncombustible cloth or some other noncombustible sheet type material. When the belt-like body is spirally wound, a preceding end portion thereof and a following end portion thereof are bonded to each other so that the noncombustibility of a final product is not lost, or joined to each other firmly via a noncombustible joint member. |
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