CORROSION-PROOF DEVICE FOR HOLE PORTION

PROBLEM TO BE SOLVED: To provide a corrosion-proof device for a hole portion in which a fluid at an upstream side of a valve element can be completely prevented from being leaked to a downstream side by smoothly continuing a seal surface which is formed from an inner surface of a core fitted into th...

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Bibliographische Detailangaben
1. Verfasser:	KAMEI TERUO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES 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 corrosion-proof device for a hole portion in which a fluid at an upstream side of a valve element can be completely prevented from being leaked to a downstream side by smoothly continuing a seal surface which is formed from an inner surface of a core fitted into the hole portion and an inner surface of a fluid pipe.SOLUTION: A corrosion-proof device for a hole portion 2 includes a hollow core 3 fitted into the hole portion 2 formed in a fluid pipe 1. The hole portion 2 includes a bottom 15 to which a distal end 16a of the core 3 is abutted, and a width of the bottom 15 in an orthogonal direction of an axial center O of the fluid pipe 1 is set substantially equal to thickness of the core 3.