AN ADJUSTABLE FLUID-FILLED LENS ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME
A method of assembling an adjustable fluid-filled lens assembly comprising biaxially tensioning an elastomeric membrane to a surface tension of greater than 180 N/m, typically greater than 1000 N/m; thermally conditioning the tensioned membrane, e.g., for one hour at a temperature of about 80° C., t...
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| creator | Kumar, Ashutosh Worsley, Tom Jacoby, Thomas Stevens, Robert Edward Bean, Derek Paul Forbes Crossley, Peter Lee Stella, Rita Guest, William Nisper, Jon Van Rensburg, Richard Wilhelm Janse |
| description | A method of assembling an adjustable fluid-filled lens assembly comprising biaxially tensioning an elastomeric membrane to a surface tension of greater than 180 N/m, typically greater than 1000 N/m; thermally conditioning the tensioned membrane, e.g., for one hour at a temperature of about 80° C., to accelerate relaxation of the membrane; mounting the membrane to a peripheral support structure whilst maintaining the tension in the membrane; assembling the mounted membrane with one or more other components to form an enclosure with the membrane forming one wall of the enclosure; and thereafter filling the enclosure with a fluid. The membrane may be formed from an aromatic polyurethane, and the fluid may be a phenylated siloxane. In some embodiments, the membrane is able to hold a substantially constant surface tension of at least 180 N/m for a period of at least 12 months. |
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The membrane may be formed from an aromatic polyurethane, and the fluid may be a phenylated siloxane. In some embodiments, the membrane is able to hold a substantially constant surface tension of at least 180 N/m for a period of at least 12 months.</description><language>eng</language><subject>CONTACT LENSES ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2019</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=20190822&DB=EPODOC&CC=US&NR=2019258084A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190822&DB=EPODOC&CC=US&NR=2019258084A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kumar, Ashutosh</creatorcontrib><creatorcontrib>Worsley, Tom</creatorcontrib><creatorcontrib>Jacoby, Thomas</creatorcontrib><creatorcontrib>Stevens, Robert Edward</creatorcontrib><creatorcontrib>Bean, Derek Paul Forbes</creatorcontrib><creatorcontrib>Crossley, Peter Lee</creatorcontrib><creatorcontrib>Stella, Rita</creatorcontrib><creatorcontrib>Guest, William</creatorcontrib><creatorcontrib>Nisper, Jon</creatorcontrib><creatorcontrib>Van Rensburg, Richard Wilhelm Janse</creatorcontrib><title>AN ADJUSTABLE FLUID-FILLED LENS ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME</title><description>A method of assembling an adjustable fluid-filled lens assembly comprising biaxially tensioning an elastomeric membrane to a surface tension of greater than 180 N/m, typically greater than 1000 N/m; thermally conditioning the tensioned membrane, e.g., for one hour at a temperature of about 80° C., to accelerate relaxation of the membrane; mounting the membrane to a peripheral support structure whilst maintaining the tension in the membrane; assembling the mounted membrane with one or more other components to form an enclosure with the membrane forming one wall of the enclosure; and thereafter filling the enclosure with a fluid. The membrane may be formed from an aromatic polyurethane, and the fluid may be a phenylated siloxane. In some embodiments, the membrane is able to hold a substantially constant surface tension of at least 180 N/m for a period of at least 12 months.</description><subject>CONTACT LENSES</subject><subject>OPTICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</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>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPB29FNwdPEKDQ5xdPJxVXDzCfV00XXz9PFxdVHwcfULVnAMDnb1dfKJVHD0c1HwdQ3x8HdRcPMPgol7-rkrhHi4KgQ7-rryMLCmJeYUp_JCaW4GZTfXEGcP3dSC_PjU4oLE5NS81JL40GAjA0NLI1MLAwsTR0Nj4lQBAAZFLiw</recordid><startdate>20190822</startdate><enddate>20190822</enddate><creator>Kumar, Ashutosh</creator><creator>Worsley, Tom</creator><creator>Jacoby, Thomas</creator><creator>Stevens, Robert Edward</creator><creator>Bean, Derek Paul Forbes</creator><creator>Crossley, Peter Lee</creator><creator>Stella, Rita</creator><creator>Guest, William</creator><creator>Nisper, Jon</creator><creator>Van Rensburg, Richard Wilhelm Janse</creator><scope>EVB</scope></search><sort><creationdate>20190822</creationdate><title>AN ADJUSTABLE FLUID-FILLED LENS ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME</title><author>Kumar, Ashutosh ; Worsley, Tom ; Jacoby, Thomas ; Stevens, Robert Edward ; Bean, Derek Paul Forbes ; Crossley, Peter Lee ; Stella, Rita ; Guest, William ; Nisper, Jon ; Van Rensburg, Richard Wilhelm Janse</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2019258084A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2019</creationdate><topic>CONTACT LENSES</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</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>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Kumar, Ashutosh</creatorcontrib><creatorcontrib>Worsley, Tom</creatorcontrib><creatorcontrib>Jacoby, Thomas</creatorcontrib><creatorcontrib>Stevens, Robert Edward</creatorcontrib><creatorcontrib>Bean, Derek Paul Forbes</creatorcontrib><creatorcontrib>Crossley, Peter Lee</creatorcontrib><creatorcontrib>Stella, Rita</creatorcontrib><creatorcontrib>Guest, William</creatorcontrib><creatorcontrib>Nisper, Jon</creatorcontrib><creatorcontrib>Van Rensburg, Richard Wilhelm Janse</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kumar, Ashutosh</au><au>Worsley, Tom</au><au>Jacoby, Thomas</au><au>Stevens, Robert Edward</au><au>Bean, Derek Paul Forbes</au><au>Crossley, Peter Lee</au><au>Stella, Rita</au><au>Guest, William</au><au>Nisper, Jon</au><au>Van Rensburg, Richard Wilhelm Janse</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AN ADJUSTABLE FLUID-FILLED LENS ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME</title><date>2019-08-22</date><risdate>2019</risdate><abstract>A method of assembling an adjustable fluid-filled lens assembly comprising biaxially tensioning an elastomeric membrane to a surface tension of greater than 180 N/m, typically greater than 1000 N/m; thermally conditioning the tensioned membrane, e.g., for one hour at a temperature of about 80° C., to accelerate relaxation of the membrane; mounting the membrane to a peripheral support structure whilst maintaining the tension in the membrane; assembling the mounted membrane with one or more other components to form an enclosure with the membrane forming one wall of the enclosure; and thereafter filling the enclosure with a fluid. The membrane may be formed from an aromatic polyurethane, and the fluid may be a phenylated siloxane. In some embodiments, the membrane is able to hold a substantially constant surface tension of at least 180 N/m for a period of at least 12 months.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTACT LENSES OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | AN ADJUSTABLE FLUID-FILLED LENS ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME |
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