SEALING DEVICE AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a sealing device for reciprocal movement capable of maintaining sealability in an initial period for a long period by effectively enhancing durability to sliding movement.SOLUTION: The sealing device comprises a rubber-like elastic material, a sliding surface 10 comp...

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1. Verfasser: JINBO KAZUNORI
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creator JINBO KAZUNORI
description PROBLEM TO BE SOLVED: To provide a sealing device for reciprocal movement capable of maintaining sealability in an initial period for a long period by effectively enhancing durability to sliding movement.SOLUTION: The sealing device comprises a rubber-like elastic material, a sliding surface 10 comprises a surface-treated layer 1A which is dense relative to an inner part and is surface-treated to be hard, and rough surface 15 is formed. Peeling does not occur in the surface treated layer 1A, further is roughly surface-treated, thereby the wettability of lubricating oil is enhanced in spite of being hard, collapse of fine evenness by the rough surface 15 is suppressed because of being hard, and an oil holding function is secured, therefore the durability of the sealing device 1 can be secured by effectively reducing sliding load by an excellent lubricating oil film.
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subjects BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
title SEALING DEVICE AND METHOD FOR MANUFACTURING THE SAME
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