SPIGOT PROJECTION OF SEISMIC PIPE FITTING AND FORMING METHOD FOR PROJECTION
PROBLEM TO BE SOLVED: To provide a structure equipped satisfactorily with a restraining force required to prevent separation and establish a method for executing works, by forming simply a spigot projection on the peripheral surface of a spigot, in particular a spigot of a cut pipe in a site adjustm...
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| creator | SHIMOYASU TETSUJI SHIOMI ICHIRO HIRATA SHOICHI |
| description | PROBLEM TO BE SOLVED: To provide a structure equipped satisfactorily with a restraining force required to prevent separation and establish a method for executing works, by forming simply a spigot projection on the peripheral surface of a spigot, in particular a spigot of a cut pipe in a site adjustment. SOLUTION: The arrangement is configured with a split spigot ring 21 where a spigot projection 2 to be engaged by a projection protruding from the inside circumferential surface of a socket for prevention of pipe separation is fitted in a ring-shaped groove 11 furnished circumferentially at the spigot and a spacer 23 which is mounted in tying together the splitting ends 22 of the spigot ring 21 and consists of a shape memory alloy to make energization in the shrink direction on the circumference. Because the spacer is fitted in the spigot ring 21 and energized so as to shrink in the circumferential direction by the shape memory effect, the spigot ring 21 is engaged certainly by the spigot within the groove 11 and is restrained firmly even if it receives an external force in the direction of drawing off the pipe fitting, and thus separation from the groove can be precluded. |
| format | Patent |
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SOLUTION: The arrangement is configured with a split spigot ring 21 where a spigot projection 2 to be engaged by a projection protruding from the inside circumferential surface of a socket for prevention of pipe separation is fitted in a ring-shaped groove 11 furnished circumferentially at the spigot and a spacer 23 which is mounted in tying together the splitting ends 22 of the spigot ring 21 and consists of a shape memory alloy to make energization in the shrink direction on the circumference. Because the spacer is fitted in the spigot ring 21 and energized so as to shrink in the circumferential direction by the shape memory effect, the spigot ring 21 is engaged certainly by the spigot within the groove 11 and is restrained firmly even if it receives an external force in the direction of drawing off the pipe fitting, and thus separation from the groove can be precluded.</description><edition>6</edition><language>eng</language><subject>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</subject><creationdate>1999</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=19990914&DB=EPODOC&CC=JP&NR=H11248062A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990914&DB=EPODOC&CC=JP&NR=H11248062A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIMOYASU TETSUJI</creatorcontrib><creatorcontrib>SHIOMI ICHIRO</creatorcontrib><creatorcontrib>HIRATA SHOICHI</creatorcontrib><title>SPIGOT PROJECTION OF SEISMIC PIPE FITTING AND FORMING METHOD FOR PROJECTION</title><description>PROBLEM TO BE SOLVED: To provide a structure equipped satisfactorily with a restraining force required to prevent separation and establish a method for executing works, by forming simply a spigot projection on the peripheral surface of a spigot, in particular a spigot of a cut pipe in a site adjustment. SOLUTION: The arrangement is configured with a split spigot ring 21 where a spigot projection 2 to be engaged by a projection protruding from the inside circumferential surface of a socket for prevention of pipe separation is fitted in a ring-shaped groove 11 furnished circumferentially at the spigot and a spacer 23 which is mounted in tying together the splitting ends 22 of the spigot ring 21 and consists of a shape memory alloy to make energization in the shrink direction on the circumference. Because the spacer is fitted in the spigot ring 21 and energized so as to shrink in the circumferential direction by the shape memory effect, the spigot ring 21 is engaged certainly by the spigot within the groove 11 and is restrained firmly even if it receives an external force in the direction of drawing off the pipe fitting, and thus separation from the groove can be precluded.</description><subject>BLASTING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>PIPES</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAODvB09w9RCAjy93J1DvH091Pwd1MIdvUM9vV0VgjwDHBVcPMMCfH0c1dw9HNRcPMP8gWxfV1DPPzBXCSdPAysaYk5xam8UJqbQdHNNcTZQze1ID8-tbggMTk1L7Uk3ivAw9DQyMTCwMzI0ZgYNQCZ2y3m</recordid><startdate>19990914</startdate><enddate>19990914</enddate><creator>SHIMOYASU TETSUJI</creator><creator>SHIOMI ICHIRO</creator><creator>HIRATA SHOICHI</creator><scope>EVB</scope></search><sort><creationdate>19990914</creationdate><title>SPIGOT PROJECTION OF SEISMIC PIPE FITTING AND FORMING METHOD FOR PROJECTION</title><author>SHIMOYASU TETSUJI ; SHIOMI ICHIRO ; HIRATA SHOICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH11248062A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>BLASTING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>PIPES</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIMOYASU TETSUJI</creatorcontrib><creatorcontrib>SHIOMI ICHIRO</creatorcontrib><creatorcontrib>HIRATA SHOICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIMOYASU TETSUJI</au><au>SHIOMI ICHIRO</au><au>HIRATA SHOICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPIGOT PROJECTION OF SEISMIC PIPE FITTING AND FORMING METHOD FOR PROJECTION</title><date>1999-09-14</date><risdate>1999</risdate><abstract>PROBLEM TO BE SOLVED: To provide a structure equipped satisfactorily with a restraining force required to prevent separation and establish a method for executing works, by forming simply a spigot projection on the peripheral surface of a spigot, in particular a spigot of a cut pipe in a site adjustment. SOLUTION: The arrangement is configured with a split spigot ring 21 where a spigot projection 2 to be engaged by a projection protruding from the inside circumferential surface of a socket for prevention of pipe separation is fitted in a ring-shaped groove 11 furnished circumferentially at the spigot and a spacer 23 which is mounted in tying together the splitting ends 22 of the spigot ring 21 and consists of a shape memory alloy to make energization in the shrink direction on the circumference. Because the spacer is fitted in the spigot ring 21 and energized so as to shrink in the circumferential direction by the shape memory effect, the spigot ring 21 is engaged certainly by the spigot within the groove 11 and is restrained firmly even if it receives an external force in the direction of drawing off the pipe fitting, and thus separation from the groove can be precluded.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | 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 |
| title | SPIGOT PROJECTION OF SEISMIC PIPE FITTING AND FORMING METHOD FOR PROJECTION |
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