COMPOSITE TUBE
PROBLEM TO BE SOLVED: To provide a composite tube where loosening and tearing do not occur when inserting into a sheath pipe and a resin tube having a high insulating property is inserted into the sheath pipe. SOLUTION: In the composite tube (1), a single pipe or a plurality of resin pipes (12) cove...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a composite tube where loosening and tearing do not occur when inserting into a sheath pipe and a resin tube having a high insulating property is inserted into the sheath pipe. SOLUTION: In the composite tube (1), a single pipe or a plurality of resin pipes (12) covered with a uniformly thick resin foaming body (13) without any joint on an outer periphery surface are inserted into the sheath pipe (11). COPYRIGHT: (C)2004,JPO |
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