PISTON RING

The purpose of the present invention is to provide a gas-tight piston ring which suppresses combustion gas blow-by in non-overlapping regions of a first tongue section and a second tongue section and has improved durability. The present invention comprises: a body section (10a) which extends in the...

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Hauptverfasser:	NISHIDA, Hideaki, ISHIGURO, Tatsuo, SATOU, Nobuaki, OTOWA, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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creator	NISHIDA, Hideaki ISHIGURO, Tatsuo SATOU, Nobuaki OTOWA, Takashi
description	The purpose of the present invention is to provide a gas-tight piston ring which suppresses combustion gas blow-by in non-overlapping regions of a first tongue section and a second tongue section and has improved durability. The present invention comprises: a body section (10a) which extends in the circumferential direction around an axis (CL); a first tongue section (12) which extends from one end (10b) of the body section (10a) to the other end (10c) and in which a fitting groove (12c) is formed that extends in the circumferential direction at one side in the direction along the axis (CL) and is at the radially outer side of the body section (10a); and a second tongue section (13) which extends from the other end (10c) of the body section (10a) to the one end (10b) and, together with the first tongue section (12), forms an abutment section (11) by fitting into the fitting groove (12c). The outer peripheral surfaces (12d, 13d) of the first tongue section (12) and the second tongue section (13) are formed in a barrel shape that bulges outwards in the radial direction.
format	Patent
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The present invention comprises: a body section (10a) which extends in the circumferential direction around an axis (CL); a first tongue section (12) which extends from one end (10b) of the body section (10a) to the other end (10c) and in which a fitting groove (12c) is formed that extends in the circumferential direction at one side in the direction along the axis (CL) and is at the radially outer side of the body section (10a); and a second tongue section (13) which extends from the other end (10c) of the body section (10a) to the one end (10b) and, together with the first tongue section (12), forms an abutment section (11) by fitting into the fitting groove (12c). The outer peripheral surfaces (12d, 13d) of the first tongue section (12) and the second tongue section (13) are formed in a barrel shape that bulges outwards in the radial direction.</description><language>eng ; fre ; ger</language><subject>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</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=EP&NR=3112727A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170104&DB=EPODOC&CC=EP&NR=3112727A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NISHIDA, Hideaki</creatorcontrib><creatorcontrib>ISHIGURO, Tatsuo</creatorcontrib><creatorcontrib>SATOU, Nobuaki</creatorcontrib><creatorcontrib>OTOWA, Takashi</creatorcontrib><title>PISTON RING</title><description>The purpose of the present invention is to provide a gas-tight piston ring which suppresses combustion gas blow-by in non-overlapping regions of a first tongue section and a second tongue section and has improved durability. The present invention comprises: a body section (10a) which extends in the circumferential direction around an axis (CL); a first tongue section (12) which extends from one end (10b) of the body section (10a) to the other end (10c) and in which a fitting groove (12c) is formed that extends in the circumferential direction at one side in the direction along the axis (CL) and is at the radially outer side of the body section (10a); and a second tongue section (13) which extends from the other end (10c) of the body section (10a) to the one end (10b) and, together with the first tongue section (12), forms an abutment section (11) by fitting into the fitting groove (12c). The outer peripheral surfaces (12d, 13d) of the first tongue section (12) and the second tongue section (13) are formed in a barrel shape that bulges outwards in the radial direction.</description><subject>BLASTING</subject><subject>CYLINDERS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PISTONS</subject><subject>SEALINGS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAO8AwO8fdTCPL0c-dhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAcaGhkbmRuaOhsZEKAEAQVAbtQ</recordid><startdate>20170104</startdate><enddate>20170104</enddate><creator>NISHIDA, Hideaki</creator><creator>ISHIGURO, Tatsuo</creator><creator>SATOU, Nobuaki</creator><creator>OTOWA, Takashi</creator><scope>EVB</scope></search><sort><creationdate>20170104</creationdate><title>PISTON RING</title><author>NISHIDA, Hideaki ; ISHIGURO, Tatsuo ; SATOU, Nobuaki ; OTOWA, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3112727A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2017</creationdate><topic>BLASTING</topic><topic>CYLINDERS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PISTONS</topic><topic>SEALINGS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>NISHIDA, Hideaki</creatorcontrib><creatorcontrib>ISHIGURO, Tatsuo</creatorcontrib><creatorcontrib>SATOU, Nobuaki</creatorcontrib><creatorcontrib>OTOWA, Takashi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NISHIDA, Hideaki</au><au>ISHIGURO, Tatsuo</au><au>SATOU, Nobuaki</au><au>OTOWA, Takashi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PISTON RING</title><date>2017-01-04</date><risdate>2017</risdate><abstract>The purpose of the present invention is to provide a gas-tight piston ring which suppresses combustion gas blow-by in non-overlapping regions of a first tongue section and a second tongue section and has improved durability. The present invention comprises: a body section (10a) which extends in the circumferential direction around an axis (CL); a first tongue section (12) which extends from one end (10b) of the body section (10a) to the other end (10c) and in which a fitting groove (12c) is formed that extends in the circumferential direction at one side in the direction along the axis (CL) and is at the radially outer side of the body section (10a); and a second tongue section (13) which extends from the other end (10c) of the body section (10a) to the one end (10b) and, together with the first tongue section (12), forms an abutment section (11) by fitting into the fitting groove (12c). The outer peripheral surfaces (12d, 13d) of the first tongue section (12) and the second tongue section (13) are formed in a barrel shape that bulges outwards in the radial direction.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP3112727A1
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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	PISTON RING
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