Method for obtaining an ophthalmic lens
A method for obtaining an ophthalmic lens, includes: -the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation d...
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| creator | MEYNEN MATHIEU |
| description | A method for obtaining an ophthalmic lens, includes: -the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation during a machining step of a finished surface in a material-removing depth (D) of 0.22 mm; -the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and-the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B′). |
| format | Patent |
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-the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and-the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B′).</description><language>eng</language><subject>BORING ; CONTACT LENSES ; DRESSING OR CONDITIONING OF ABRADING SURFACES ; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ; GRINDING ; MACHINE TOOLS ; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; POLISHING ; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; TRANSPORTING ; TURNING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2014</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=20141230&DB=EPODOC&CC=US&NR=8919954B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141230&DB=EPODOC&CC=US&NR=8919954B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MEYNEN MATHIEU</creatorcontrib><title>Method for obtaining an ophthalmic lens</title><description>A method for obtaining an ophthalmic lens, includes: -the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation during a machining step of a finished surface in a material-removing depth (D) of 0.22 mm; -the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and-the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B′).</description><subject>BORING</subject><subject>CONTACT LENSES</subject><subject>DRESSING OR CONDITIONING OF ABRADING SURFACES</subject><subject>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</subject><subject>GRINDING</subject><subject>MACHINE TOOLS</subject><subject>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>OPTICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POLISHING</subject><subject>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</subject><subject>SPECTACLES</subject><subject>SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</subject><subject>TRANSPORTING</subject><subject>TURNING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD3TS3JyE9RSMsvUshPKknMzMvMS1dIzFPIL8goyUjMyc1MVshJzSvmYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxocEWloaWlqYmTkbGRCgBAEcSJ6c</recordid><startdate>20141230</startdate><enddate>20141230</enddate><creator>MEYNEN MATHIEU</creator><scope>EVB</scope></search><sort><creationdate>20141230</creationdate><title>Method for obtaining an ophthalmic lens</title><author>MEYNEN MATHIEU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8919954B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>BORING</topic><topic>CONTACT LENSES</topic><topic>DRESSING OR CONDITIONING OF ABRADING SURFACES</topic><topic>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</topic><topic>GRINDING</topic><topic>MACHINE TOOLS</topic><topic>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POLISHING</topic><topic>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</topic><topic>SPECTACLES</topic><topic>SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</topic><topic>TRANSPORTING</topic><topic>TURNING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>MEYNEN MATHIEU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MEYNEN MATHIEU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for obtaining an ophthalmic lens</title><date>2014-12-30</date><risdate>2014</risdate><abstract>A method for obtaining an ophthalmic lens, includes: -the step of selecting a material that displays a threshold of pinhole formation during a machining step of a finished surface (20) in a material-removing depth (D) of 0.07 mm, which is at least 15% higher than the threshold of pinhole formation during a machining step of a finished surface in a material-removing depth (D) of 0.22 mm; -the step of selecting a set point for finishing depth of cut (A) between 0.015 mm and 0.075 mm; and-the step of selecting a set point for finishing feed between 85% and 99% of the threshold of pinhole formation for the material-removing depth (D) given by the sum of the selected set point for finishing depth of cut (A) and the blank roughness (B′).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BORING CONTACT LENSES DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR OPTICS PERFORMING OPERATIONS PHYSICS POLISHING PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING TURNING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Method for obtaining an ophthalmic lens |
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