SHIELD MACHINE

PROBLEM TO BE SOLVED: To provide a shield machine in which a cutter bit used for excavation can be changed rapidly during pipe jacking. SOLUTION: The shield machine is constituted, including a spoke unit 60-1, which is installed to a cutter head 22 and in which at least one of a plurality of the cut...

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Hauptverfasser:	ITO HIROYUKI, IWAI YOSHIO, ASAI YASUHIKO, YASUMOTO MASATAKE, SAKUMA YUJI, SHIMIZU YOSHIHARU, NAKAMURA KONOSUKE, UEHARA TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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creator	ITO HIROYUKI IWAI YOSHIO ASAI YASUHIKO YASUMOTO MASATAKE SAKUMA YUJI SHIMIZU YOSHIHARU NAKAMURA KONOSUKE UEHARA TOSHIAKI
description	PROBLEM TO BE SOLVED: To provide a shield machine in which a cutter bit used for excavation can be changed rapidly during pipe jacking. SOLUTION: The shield machine is constituted, including a spoke unit 60-1, which is installed to a cutter head 22 and in which at least one of a plurality of the cutter bits is fixed at a specified rotational-angle position, and a rotary driving device 27 rotating and driving the spoke unit 60-1, and the spoke unit 60-1 is turned so that a ground is excavated by using the cutter bit fixed to the spoke unit 60-1 under the specified pipe-jacking conditions.
format	Patent
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SOLUTION: The shield machine is constituted, including a spoke unit 60-1, which is installed to a cutter head 22 and in which at least one of a plurality of the cutter bits is fixed at a specified rotational-angle position, and a rotary driving device 27 rotating and driving the spoke unit 60-1, and the spoke unit 60-1 is turned so that a ground is excavated by using the cutter bit fixed to the spoke unit 60-1 under the specified pipe-jacking conditions.</description><edition>7</edition><language>eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</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=20020109&DB=EPODOC&CC=JP&NR=2002004775A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020109&DB=EPODOC&CC=JP&NR=2002004775A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITO HIROYUKI</creatorcontrib><creatorcontrib>IWAI YOSHIO</creatorcontrib><creatorcontrib>ASAI YASUHIKO</creatorcontrib><creatorcontrib>YASUMOTO MASATAKE</creatorcontrib><creatorcontrib>SAKUMA YUJI</creatorcontrib><creatorcontrib>SHIMIZU YOSHIHARU</creatorcontrib><creatorcontrib>NAKAMURA KONOSUKE</creatorcontrib><creatorcontrib>UEHARA TOSHIAKI</creatorcontrib><title>SHIELD MACHINE</title><description>PROBLEM TO BE SOLVED: To provide a shield machine in which a cutter bit used for excavation can be changed rapidly during pipe jacking. 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SOLUTION: The shield machine is constituted, including a spoke unit 60-1, which is installed to a cutter head 22 and in which at least one of a plurality of the cutter bits is fixed at a specified rotational-angle position, and a rotary driving device 27 rotating and driving the spoke unit 60-1, and the spoke unit 60-1 is turned so that a ground is excavated by using the cutter bit fixed to the spoke unit 60-1 under the specified pipe-jacking conditions.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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recordid	cdi_epo_espacenet_JP2002004775A
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subjects	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
title	SHIELD MACHINE
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