SLEEVE

PROBLEM TO BE SOLVED: To provide a sleeve for preventing concrete from entering a sleeve, and easily removing the sleeve from a concrete skeleton. SOLUTION: This sleeve includes: a cylindrical member 7 formed of a flexible sheet member 5 cylindrically wound to reduce the diameter to a small diameter...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUBARA YOSHIYUKI, SUMITOMO YOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FORMS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING BUILDING MATERIALS ON THE SITE HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sleeve for preventing concrete from entering a sleeve, and easily removing the sleeve from a concrete skeleton. SOLUTION: This sleeve includes: a cylindrical member 7 formed of a flexible sheet member 5 cylindrically wound to reduce the diameter to a small diameter than a piping hole 4 and having an overlap part 6; an enlarged diameter core part 9, which is formed of material having elasticity, partly or entirely fitted to an opening part 8a of the cylindrical member 7, thereby holding the diameter of the opening part 8a in a predetermined shape against the energizing force in the diameter reducing direction of the cylindrical member 7; and a flange part 10, which is formed on the outer periphery of the opening part 8a side end of the cylindrical member 7 in the enlarged diameter core part 9, and prevents concrete from entering the interior of the cylindrical member 7 through a gap between the opening part 8a and the concrete form 3. COPYRIGHT: (C)2009,JPO&INPIT