DOUBLE-WALLED HOLLOW BODY HAVING INTERMEDIATE LAYER AND METHOD OF MANUFACTURING THE SAME
The double-walled hollow sections consists of an inner (2) and an outer (5) hollow section radially spaced apart to form an annular gap between them containing non-metallic, sound-absorbent insulating material. The two hollow sections (2,5) are in direct contact at one end, without insulation. The i...
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | The double-walled hollow sections consists of an inner (2) and an outer (5) hollow section radially spaced apart to form an annular gap between them containing non-metallic, sound-absorbent insulating material. The two hollow sections (2,5) are in direct contact at one end, without insulation. The inner hollow section (2) joined to the outer hollow section (5) is separated over the outer section's (5) whole periphery by a fixed intermediate layer (31). |
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