METHOD AND DEVICE FOR CUTTING BY LASER BEAM, AND CUTTING METHOD FOR GRAPHITE BLOCK WHEN DEMOLISHING WASTE NUCLEAR REACTOR
PROBLEM TO BE SOLVED: To provide a method and a device for cutting a material which is flexible, lightweight, easy to handle and generates few secondary products by cutting by a mechanism that a laser beam torch can be far detached from a drive source. SOLUTION: In a cutting method by a laser beam c...
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| creator | MAEDA KENICHI MIBU IKUO MOGAKI KAZUHIKO |
| description | PROBLEM TO BE SOLVED: To provide a method and a device for cutting a material which is flexible, lightweight, easy to handle and generates few secondary products by cutting by a mechanism that a laser beam torch can be far detached from a drive source. SOLUTION: In a cutting method by a laser beam cutting an object to be cut by using a laser beam torch 1 irradiating the object to be cut by converging a laser beam 16 by a condenser lens 3 and by injecting water jet together with a formed converged beam 3, after determining the focus of a condenser lens 4 so that a distance between the laser beam torch 1 when performing gouging and a beam spot 17 to be formed on the cutting surface of the object to be cut, becomes the thickness or over of the object to be cut, the water jet whose direction is adjustable is injected to the beam spot 17. Thus, by performing continuous gouging making the laser beam torch 1 lower plural times, the object to be cut is cut. |
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SOLUTION: In a cutting method by a laser beam cutting an object to be cut by using a laser beam torch 1 irradiating the object to be cut by converging a laser beam 16 by a condenser lens 3 and by injecting water jet together with a formed converged beam 3, after determining the focus of a condenser lens 4 so that a distance between the laser beam torch 1 when performing gouging and a beam spot 17 to be formed on the cutting surface of the object to be cut, becomes the thickness or over of the object to be cut, the water jet whose direction is adjustable is injected to the beam spot 17. Thus, by performing continuous gouging making the laser beam torch 1 lower plural times, the object to be cut is cut.</description><edition>7</edition><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; CUTTING-OUT ; DECONTAMINATION ARRANGEMENTS THEREFOR ; HAND CUTTING TOOLS ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR REACTORS ; PERFORATING ; PERFORMING OPERATIONS ; PHYSICS ; PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT ; PUNCHING ; SEVERING ; SEVERING BY MEANS OTHER THAN CUTTING ; SOLDERING OR UNSOLDERING ; STAMPING-OUT ; TRANSPORTING ; TREATING RADIOACTIVELY CONTAMINATED MATERIAL ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2000</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=20001121&DB=EPODOC&CC=JP&NR=2000317659A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20001121&DB=EPODOC&CC=JP&NR=2000317659A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MAEDA KENICHI</creatorcontrib><creatorcontrib>MIBU IKUO</creatorcontrib><creatorcontrib>MOGAKI KAZUHIKO</creatorcontrib><title>METHOD AND DEVICE FOR CUTTING BY LASER BEAM, AND CUTTING METHOD FOR GRAPHITE BLOCK WHEN DEMOLISHING WASTE NUCLEAR REACTOR</title><description>PROBLEM TO BE SOLVED: To provide a method and a device for cutting a material which is flexible, lightweight, easy to handle and generates few secondary products by cutting by a mechanism that a laser beam torch can be far detached from a drive source. 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Thus, by performing continuous gouging making the laser beam torch 1 lower plural times, the object to be cut is cut.</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>CUTTING-OUT</subject><subject>DECONTAMINATION ARRANGEMENTS THEREFOR</subject><subject>HAND CUTTING TOOLS</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>NUCLEAR REACTORS</subject><subject>PERFORATING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT</subject><subject>PUNCHING</subject><subject>SEVERING</subject><subject>SEVERING BY MEANS OTHER THAN CUTTING</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>STAMPING-OUT</subject><subject>TRANSPORTING</subject><subject>TREATING RADIOACTIVELY CONTAMINATED MATERIAL</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzDEPgjAUBGAWB6P-hxdnTVAixvFRHrRaWlKKxIkQUyejJLj47wWDu9MN991NvXdGlusYUMUQ01kwgkQbYKW1QqUQXUBiQQYiwmz1Vb9qHA46NZhzYQkiqdkJKk6qP8u0FAUfaIVFX6qSSUIDhpBZbebe5NbcO7cYc-YtE7KMr137rF3XNlf3cK_6mG993w82-3B3wOAv9AHLszoN</recordid><startdate>20001121</startdate><enddate>20001121</enddate><creator>MAEDA KENICHI</creator><creator>MIBU IKUO</creator><creator>MOGAKI KAZUHIKO</creator><scope>EVB</scope></search><sort><creationdate>20001121</creationdate><title>METHOD AND DEVICE FOR CUTTING BY LASER BEAM, AND CUTTING METHOD FOR GRAPHITE BLOCK WHEN DEMOLISHING WASTE NUCLEAR REACTOR</title><author>MAEDA KENICHI ; MIBU IKUO ; MOGAKI KAZUHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000317659A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>CUTTING-OUT</topic><topic>DECONTAMINATION ARRANGEMENTS THEREFOR</topic><topic>HAND CUTTING TOOLS</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>NUCLEAR REACTORS</topic><topic>PERFORATING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT</topic><topic>PUNCHING</topic><topic>SEVERING</topic><topic>SEVERING BY MEANS OTHER THAN CUTTING</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>STAMPING-OUT</topic><topic>TRANSPORTING</topic><topic>TREATING RADIOACTIVELY CONTAMINATED MATERIAL</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>MAEDA KENICHI</creatorcontrib><creatorcontrib>MIBU IKUO</creatorcontrib><creatorcontrib>MOGAKI KAZUHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MAEDA KENICHI</au><au>MIBU IKUO</au><au>MOGAKI KAZUHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND DEVICE FOR CUTTING BY LASER BEAM, AND CUTTING METHOD FOR GRAPHITE BLOCK WHEN DEMOLISHING WASTE NUCLEAR REACTOR</title><date>2000-11-21</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method and a device for cutting a material which is flexible, lightweight, easy to handle and generates few secondary products by cutting by a mechanism that a laser beam torch can be far detached from a drive source. SOLUTION: In a cutting method by a laser beam cutting an object to be cut by using a laser beam torch 1 irradiating the object to be cut by converging a laser beam 16 by a condenser lens 3 and by injecting water jet together with a formed converged beam 3, after determining the focus of a condenser lens 4 so that a distance between the laser beam torch 1 when performing gouging and a beam spot 17 to be formed on the cutting surface of the object to be cut, becomes the thickness or over of the object to be cut, the water jet whose direction is adjustable is injected to the beam spot 17. Thus, by performing continuous gouging making the laser beam torch 1 lower plural times, the object to be cut is cut.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING CUTTING-OUT DECONTAMINATION ARRANGEMENTS THEREFOR HAND CUTTING TOOLS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PERFORATING PERFORMING OPERATIONS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING SOLDERING OR UNSOLDERING STAMPING-OUT TRANSPORTING TREATING RADIOACTIVELY CONTAMINATED MATERIAL WELDING WORKING BY LASER BEAM |
| title | METHOD AND DEVICE FOR CUTTING BY LASER BEAM, AND CUTTING METHOD FOR GRAPHITE BLOCK WHEN DEMOLISHING WASTE NUCLEAR REACTOR |
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