METHOD FOR DRILLING FLUID TRANSPORTING PIPE AND GATE VALVE USED IN IT
PROBLEM TO BE SOLVED: To suppress lowering of sealing performance of a gate valve body due to chips deposited at a spot where a valve seat is to be formed in a valve case, while intending to make the branch structure of a fluid transporting pipe compact and simple. SOLUTION: When forming a branch op...
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| creator | YONEYAMA HIDEKI TABUCHI MASASHI NAKADA KATSUHIRO SAITO KIKUO |
| description | PROBLEM TO BE SOLVED: To suppress lowering of sealing performance of a gate valve body due to chips deposited at a spot where a valve seat is to be formed in a valve case, while intending to make the branch structure of a fluid transporting pipe compact and simple. SOLUTION: When forming a branch opening 1A in the pipe wall of the fluid transporting pipe 1 by the rotary cutting tool 9 of a drilling apparatus C so as to pass through a flow passage 11a in a gate valve B having the opened gate valve element 12 and a flow passage 3a in a branch pipe part 3, chips caused by a drilling work is discharged to the outside together with fluid through a discharge port 16 formed in the valve case of the gate valve B. |
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SOLUTION: When forming a branch opening 1A in the pipe wall of the fluid transporting pipe 1 by the rotary cutting tool 9 of a drilling apparatus C so as to pass through a flow passage 11a in a gate valve B having the opened gate valve element 12 and a flow passage 3a in a branch pipe part 3, chips caused by a drilling work is discharged to the outside together with fluid through a discharge port 16 formed in the valve case of the gate valve B.</description><edition>7</edition><language>eng</language><subject>BLASTING ; BORING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MACHINE TOOLS ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; TURNING ; WEAPONS</subject><creationdate>2002</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=20020528&DB=EPODOC&CC=JP&NR=2002154004A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020528&DB=EPODOC&CC=JP&NR=2002154004A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YONEYAMA HIDEKI</creatorcontrib><creatorcontrib>TABUCHI MASASHI</creatorcontrib><creatorcontrib>NAKADA KATSUHIRO</creatorcontrib><creatorcontrib>SAITO KIKUO</creatorcontrib><title>METHOD FOR DRILLING FLUID TRANSPORTING PIPE AND GATE VALVE USED IN IT</title><description>PROBLEM TO BE SOLVED: To suppress lowering of sealing performance of a gate valve body due to chips deposited at a spot where a valve seat is to be formed in a valve case, while intending to make the branch structure of a fluid transporting pipe compact and simple. 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SOLUTION: When forming a branch opening 1A in the pipe wall of the fluid transporting pipe 1 by the rotary cutting tool 9 of a drilling apparatus C so as to pass through a flow passage 11a in a gate valve B having the opened gate valve element 12 and a flow passage 3a in a branch pipe part 3, chips caused by a drilling work is discharged to the outside together with fluid through a discharge port 16 formed in the valve case of the gate valve B.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING BORING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING TURNING WEAPONS |
| title | METHOD FOR DRILLING FLUID TRANSPORTING PIPE AND GATE VALVE USED IN IT |
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