Method and device for cutting flat work pieces made of a brittle material
The apparatus for cutting a flat glass work piece along a curved dividing line includes a laser generating a laser beam having a linear beam profile and an optical system with a scanner for producing a curvilinear focal point from the laser beam. The apparatus also moves a cold spot along the curved...
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| creator | HOETZEL BERNDT HAUER DIRK |
| description | The apparatus for cutting a flat glass work piece along a curved dividing line includes a laser generating a laser beam having a linear beam profile and an optical system with a scanner for producing a curvilinear focal point from the laser beam. The apparatus also moves a cold spot along the curved dividing line following the curvilinear focal point. A trajectory control device controls the position of the curvilinear focal point on the curved dividing line via actuators. A profile control device controls the contour of the curvilinear focal point according to trajectory data from the curved dividing line, so that all points of the curvilinear focal point lie on or coincide with the curved dividing line. The apparatus adjusts the length of the curvilinear focal point by adjusting scanning amplitude of the scanning motion. |
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The apparatus also moves a cold spot along the curved dividing line following the curvilinear focal point. A trajectory control device controls the position of the curvilinear focal point on the curved dividing line via actuators. A profile control device controls the contour of the curvilinear focal point according to trajectory data from the curved dividing line, so that all points of the curvilinear focal point lie on or coincide with the curved dividing line. The apparatus adjusts the length of the curvilinear focal point by adjusting scanning amplitude of the scanning motion.</description><edition>7</edition><language>eng</language><subject>CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; GLASS ; MACHINE TOOLS ; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; MINERAL OR SLAG WOOL ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM ; WORKING CEMENT, CLAY, OR STONE ; WORKING STONE OR STONE-LIKE MATERIALS</subject><creationdate>2005</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=20050210&DB=EPODOC&CC=US&NR=2005029321A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050210&DB=EPODOC&CC=US&NR=2005029321A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOETZEL BERNDT</creatorcontrib><creatorcontrib>HAUER DIRK</creatorcontrib><title>Method and device for cutting flat work pieces made of a brittle material</title><description>The apparatus for cutting a flat glass work piece along a curved dividing line includes a laser generating a laser beam having a linear beam profile and an optical system with a scanner for producing a curvilinear focal point from the laser beam. The apparatus also moves a cold spot along the curved dividing line following the curvilinear focal point. A trajectory control device controls the position of the curvilinear focal point on the curved dividing line via actuators. A profile control device controls the contour of the curvilinear focal point according to trajectory data from the curved dividing line, so that all points of the curvilinear focal point lie on or coincide with the curved dividing line. The apparatus adjusts the length of the curvilinear focal point by adjusting scanning amplitude of the scanning motion.</description><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>GLASS</subject><subject>MACHINE TOOLS</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><subject>WORKING CEMENT, CLAY, OR STONE</subject><subject>WORKING STONE OR STONE-LIKE MATERIALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKAjEQRuE0FqLeYcBayO5iYSmiaGGl1suY_FmDMQnJqNfXwgNYPfh4Y3U4Qm7JEkdLFi9vQC4VMk8RHwdygYXeqdwpexhUerAFJUdM1-JFAr4iKJ7DVI0ch4rZrxM1323Pm_0COfWomQ0ipL-cWq2Xul11bbNuuv-uD1EVNNI</recordid><startdate>20050210</startdate><enddate>20050210</enddate><creator>HOETZEL BERNDT</creator><creator>HAUER DIRK</creator><scope>EVB</scope></search><sort><creationdate>20050210</creationdate><title>Method and device for cutting flat work pieces made of a brittle material</title><author>HOETZEL BERNDT ; HAUER DIRK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2005029321A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</creationdate><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>GLASS</topic><topic>MACHINE TOOLS</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><topic>WORKING CEMENT, CLAY, OR STONE</topic><topic>WORKING STONE OR STONE-LIKE MATERIALS</topic><toplevel>online_resources</toplevel><creatorcontrib>HOETZEL BERNDT</creatorcontrib><creatorcontrib>HAUER DIRK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HOETZEL BERNDT</au><au>HAUER DIRK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method and device for cutting flat work pieces made of a brittle material</title><date>2005-02-10</date><risdate>2005</risdate><abstract>The apparatus for cutting a flat glass work piece along a curved dividing line includes a laser generating a laser beam having a linear beam profile and an optical system with a scanner for producing a curvilinear focal point from the laser beam. The apparatus also moves a cold spot along the curved dividing line following the curvilinear focal point. A trajectory control device controls the position of the curvilinear focal point on the curved dividing line via actuators. A profile control device controls the contour of the curvilinear focal point according to trajectory data from the curved dividing line, so that all points of the curvilinear focal point lie on or coincide with the curved dividing line. The apparatus adjusts the length of the curvilinear focal point by adjusting scanning amplitude of the scanning motion.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GLASS MACHINE TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS |
| title | Method and device for cutting flat work pieces made of a brittle material |
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