Screw joint coupling for oil pipes
A basic structure of a screw joint coupling for oil pipes according to the invention is that a main sealing portion is constructed with a sealing portion formed axially in convex at an end of a male screw, and with a sealing portion formed in taper at an inner side of a female screw, and that the ma...
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| creator | SATO TOSHIO YASUOKA HIDENORI TOKUYA TOMOHIKO TOYAMA KENICHI HORI MITSUAKI UEKI MIKIO ICHIHARA TAKUZO HANDA MASAO |
| description | A basic structure of a screw joint coupling for oil pipes according to the invention is that a main sealing portion is constructed with a sealing portion formed axially in convex at an end of a male screw, and with a sealing portion formed in taper at an inner side of a female screw, and that the male screw and the female screw are butted at an end point of the former and an end part of a stopper formed at an inner side of the latter. The main sealing portion has a shrinkage allowance DELTA D of the seal part, which is regulated in size in a relation between a shrinkage allowance DELTA d of the screw and a pressure P of the sealing part. In addition, specific values are selected as to the load flank angle, the radius of curvature in convex of the sealing portion of the male screw, and the tapering angle of the sealing portion of the female screw. |
| format | Patent |
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The main sealing portion has a shrinkage allowance DELTA D of the seal part, which is regulated in size in a relation between a shrinkage allowance DELTA d of the screw and a pressure P of the sealing part. In addition, specific values are selected as to the load flank angle, the radius of curvature in convex of the sealing portion of the male screw, and the tapering angle of the sealing portion of the female screw.</description><edition>4</edition><language>eng</language><subject>BLASTING ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; 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 ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>1986</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=19861118&DB=EPODOC&CC=US&NR=4623173A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19861118&DB=EPODOC&CC=US&NR=4623173A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SATO; TOSHIO</creatorcontrib><creatorcontrib>YASUOKA; HIDENORI</creatorcontrib><creatorcontrib>TOKUYA; TOMOHIKO</creatorcontrib><creatorcontrib>TOYAMA; KENICHI</creatorcontrib><creatorcontrib>HORI; MITSUAKI</creatorcontrib><creatorcontrib>UEKI; MIKIO</creatorcontrib><creatorcontrib>ICHIHARA; TAKUZO</creatorcontrib><creatorcontrib>HANDA; MASAO</creatorcontrib><title>Screw joint coupling for oil pipes</title><description>A basic structure of a screw joint coupling for oil pipes according to the invention is that a main sealing portion is constructed with a sealing portion formed axially in convex at an end of a male screw, and with a sealing portion formed in taper at an inner side of a female screw, and that the male screw and the female screw are butted at an end point of the former and an end part of a stopper formed at an inner side of the latter. The main sealing portion has a shrinkage allowance DELTA D of the seal part, which is regulated in size in a relation between a shrinkage allowance DELTA d of the screw and a pressure P of the sealing part. In addition, specific values are selected as to the load flank angle, the radius of curvature in convex of the sealing portion of the male screw, and the tapering angle of the sealing portion of the female screw.</description><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</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>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</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>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAKTi5KLVfIys_MK1FIzi8tyMnMS1dIyy9SyM_MUSjILEgt5mFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8aHBJmZGxobmxo7GhFUAABbVJTw</recordid><startdate>19861118</startdate><enddate>19861118</enddate><creator>SATO; TOSHIO</creator><creator>YASUOKA; HIDENORI</creator><creator>TOKUYA; TOMOHIKO</creator><creator>TOYAMA; KENICHI</creator><creator>HORI; MITSUAKI</creator><creator>UEKI; MIKIO</creator><creator>ICHIHARA; TAKUZO</creator><creator>HANDA; MASAO</creator><scope>EVB</scope></search><sort><creationdate>19861118</creationdate><title>Screw joint coupling for oil pipes</title><author>SATO; TOSHIO ; YASUOKA; HIDENORI ; TOKUYA; TOMOHIKO ; TOYAMA; KENICHI ; HORI; MITSUAKI ; UEKI; MIKIO ; ICHIHARA; TAKUZO ; HANDA; MASAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4623173A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</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>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</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>SATO; TOSHIO</creatorcontrib><creatorcontrib>YASUOKA; HIDENORI</creatorcontrib><creatorcontrib>TOKUYA; TOMOHIKO</creatorcontrib><creatorcontrib>TOYAMA; KENICHI</creatorcontrib><creatorcontrib>HORI; MITSUAKI</creatorcontrib><creatorcontrib>UEKI; MIKIO</creatorcontrib><creatorcontrib>ICHIHARA; TAKUZO</creatorcontrib><creatorcontrib>HANDA; MASAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SATO; TOSHIO</au><au>YASUOKA; HIDENORI</au><au>TOKUYA; TOMOHIKO</au><au>TOYAMA; KENICHI</au><au>HORI; MITSUAKI</au><au>UEKI; MIKIO</au><au>ICHIHARA; TAKUZO</au><au>HANDA; MASAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Screw joint coupling for oil pipes</title><date>1986-11-18</date><risdate>1986</risdate><abstract>A basic structure of a screw joint coupling for oil pipes according to the invention is that a main sealing portion is constructed with a sealing portion formed axially in convex at an end of a male screw, and with a sealing portion formed in taper at an inner side of a female screw, and that the male screw and the female screw are butted at an end point of the former and an end part of a stopper formed at an inner side of the latter. The main sealing portion has a shrinkage allowance DELTA D of the seal part, which is regulated in size in a relation between a shrinkage allowance DELTA d of the screw and a pressure P of the sealing part. In addition, specific values are selected as to the load flank angle, the radius of curvature in convex of the sealing portion of the male screw, and the tapering angle of the sealing portion of the female screw.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US4623173A |
| source | esp@cenet |
| subjects | BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS 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 MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS |
| title | Screw joint coupling for oil pipes |
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