MEASURING METHOD FOR COATING THICKNESS BY ULTRASONIC WAVE
PURPOSE:To prevent an error in coating thickness measurement for measuring the coating thickness of a cable running in a cooling tank by an ultrasonic wave, by correcting the propagation speed of the ultrasonic wave by the temperature of cooling water. CONSTITUTION:A conductor is extruded by an extr...
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| creator | KUWAMOTO KAZUHIRO |
| description | PURPOSE:To prevent an error in coating thickness measurement for measuring the coating thickness of a cable running in a cooling tank by an ultrasonic wave, by correcting the propagation speed of the ultrasonic wave by the temperature of cooling water. CONSTITUTION:A conductor is extruded by an extruder 2 and provided with a coating to obtain a cable 3, which is run through a cooling water tank 4. In the cooling water 5 in the cooling water tank, an ultrasonic-wave transmitter and receiver 6 and a water temperature detector 7 are dipped and installed. A microprocessor controller 8 controls the transmitter and receiver to transmit an ultrasonic wave beam as pulses, and finds thickness T=V.DELTAt/2, where DELTAt is a difference in arrival time between reflected waves from the coating surface of the cable and the interface between the coating and conductor. The ultrasonic- wave propagation speed V varies with the cooling water temperature, so the speed V is corrected in accordance with the water temperature on the basis of a signal from the water temperature detector. |
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CONSTITUTION:A conductor is extruded by an extruder 2 and provided with a coating to obtain a cable 3, which is run through a cooling water tank 4. In the cooling water 5 in the cooling water tank, an ultrasonic-wave transmitter and receiver 6 and a water temperature detector 7 are dipped and installed. A microprocessor controller 8 controls the transmitter and receiver to transmit an ultrasonic wave beam as pulses, and finds thickness T=V.DELTAt/2, where DELTAt is a difference in arrival time between reflected waves from the coating surface of the cable and the interface between the coating and conductor. The ultrasonic- wave propagation speed V varies with the cooling water temperature, so the speed V is corrected in accordance with the water temperature on the basis of a signal from the water temperature detector.</description><language>eng</language><subject>MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; MEASURING QUANTITY OF HEAT ; MEASURING TEMPERATURE ; PHYSICS ; TESTING ; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><creationdate>1982</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=19821125&DB=EPODOC&CC=JP&NR=S57191508A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19821125&DB=EPODOC&CC=JP&NR=S57191508A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUWAMOTO KAZUHIRO</creatorcontrib><title>MEASURING METHOD FOR COATING THICKNESS BY ULTRASONIC WAVE</title><description>PURPOSE:To prevent an error in coating thickness measurement for measuring the coating thickness of a cable running in a cooling tank by an ultrasonic wave, by correcting the propagation speed of the ultrasonic wave by the temperature of cooling water. CONSTITUTION:A conductor is extruded by an extruder 2 and provided with a coating to obtain a cable 3, which is run through a cooling water tank 4. In the cooling water 5 in the cooling water tank, an ultrasonic-wave transmitter and receiver 6 and a water temperature detector 7 are dipped and installed. A microprocessor controller 8 controls the transmitter and receiver to transmit an ultrasonic wave beam as pulses, and finds thickness T=V.DELTAt/2, where DELTAt is a difference in arrival time between reflected waves from the coating surface of the cable and the interface between the coating and conductor. The ultrasonic- wave propagation speed V varies with the cooling water temperature, so the speed V is corrected in accordance with the water temperature on the basis of a signal from the water temperature detector.</description><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>MEASURING QUANTITY OF HEAT</subject><subject>MEASURING TEMPERATURE</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD0dXUMDg3y9HNX8HUN8fB3UXDzD1Jw9ncMAQmFeHg6e_u5BgcrOEUqhPqEBDkG-_t5OiuEO4a58jCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK-AYFNzQ0tDUwMLR2Ni1AAAom8pNg</recordid><startdate>19821125</startdate><enddate>19821125</enddate><creator>KUWAMOTO KAZUHIRO</creator><scope>EVB</scope></search><sort><creationdate>19821125</creationdate><title>MEASURING METHOD FOR COATING THICKNESS BY ULTRASONIC WAVE</title><author>KUWAMOTO KAZUHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS57191508A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>MEASURING QUANTITY OF HEAT</topic><topic>MEASURING TEMPERATURE</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>KUWAMOTO KAZUHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUWAMOTO KAZUHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MEASURING METHOD FOR COATING THICKNESS BY ULTRASONIC WAVE</title><date>1982-11-25</date><risdate>1982</risdate><abstract>PURPOSE:To prevent an error in coating thickness measurement for measuring the coating thickness of a cable running in a cooling tank by an ultrasonic wave, by correcting the propagation speed of the ultrasonic wave by the temperature of cooling water. CONSTITUTION:A conductor is extruded by an extruder 2 and provided with a coating to obtain a cable 3, which is run through a cooling water tank 4. In the cooling water 5 in the cooling water tank, an ultrasonic-wave transmitter and receiver 6 and a water temperature detector 7 are dipped and installed. A microprocessor controller 8 controls the transmitter and receiver to transmit an ultrasonic wave beam as pulses, and finds thickness T=V.DELTAt/2, where DELTAt is a difference in arrival time between reflected waves from the coating surface of the cable and the interface between the coating and conductor. The ultrasonic- wave propagation speed V varies with the cooling water temperature, so the speed V is corrected in accordance with the water temperature on the basis of a signal from the water temperature detector.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR |
| title | MEASURING METHOD FOR COATING THICKNESS BY ULTRASONIC WAVE |
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