Cleaning method for apparatus
Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being sprayed to produce snow-like frozen liquid. The snow-like dry ice and the snow-like frozen liquid are mixed...
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| creator | YAMASHITA SABURO MIYAHARA SHUJI KIMURO HARUMI |
| description | Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being sprayed to produce snow-like frozen liquid. The snow-like dry ice and the snow-like frozen liquid are mixed and the mixture is compressed and pelletized to produce hard particles each of which consists of a particle of snow-like dry ice coated with snow-like frozen liquid. Thus obtained particles are projected by compressed air or water under high pressure against an object to be cleaned. Wet type abrasive blasting can be effected because when the particles are projected against the object, the frozen liquid coating the surfaces of snow-like dry-ice particles is broken. |
| format | Patent |
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The snow-like dry ice and the snow-like frozen liquid are mixed and the mixture is compressed and pelletized to produce hard particles each of which consists of a particle of snow-like dry ice coated with snow-like frozen liquid. Thus obtained particles are projected by compressed air or water under high pressure against an object to be cleaned. Wet type abrasive blasting can be effected because when the particles are projected against the object, the frozen liquid coating the surfaces of snow-like dry-ice particles is broken.</description><language>eng</language><subject>ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL ; BLASTING ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; GRINDING ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; POLISHING ; PRODUCING, WORKING OR HANDLING ICE ; REFRIGERATION OR COOLING ; TRANSPORTING ; WEAPONS</subject><creationdate>1990</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=19901218&DB=EPODOC&CC=US&NR=4977910A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19901218&DB=EPODOC&CC=US&NR=4977910A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMASHITA; SABURO</creatorcontrib><creatorcontrib>MIYAHARA; SHUJI</creatorcontrib><creatorcontrib>KIMURO; HARUMI</creatorcontrib><title>Cleaning method for apparatus</title><description>Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being sprayed to produce snow-like frozen liquid. The snow-like dry ice and the snow-like frozen liquid are mixed and the mixture is compressed and pelletized to produce hard particles each of which consists of a particle of snow-like dry ice coated with snow-like frozen liquid. Thus obtained particles are projected by compressed air or water under high pressure against an object to be cleaned. Wet type abrasive blasting can be effected because when the particles are projected against the object, the frozen liquid coating the surfaces of snow-like dry-ice particles is broken.</description><subject>ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL</subject><subject>BLASTING</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>GRINDING</subject><subject>HEAT PUMP SYSTEMS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LIQUEFACTION SOLIDIFICATION OF GASES</subject><subject>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHING</subject><subject>PRODUCING, WORKING OR HANDLING ICE</subject><subject>REFRIGERATION OR COOLING</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB1zklNzMvMS1fITS3JyE9RSMsvUkgsKEgsSiwpLeZhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwSaW5uaWhgaOxoRVAABG0yOS</recordid><startdate>19901218</startdate><enddate>19901218</enddate><creator>YAMASHITA; SABURO</creator><creator>MIYAHARA; SHUJI</creator><creator>KIMURO; HARUMI</creator><scope>EVB</scope></search><sort><creationdate>19901218</creationdate><title>Cleaning method for apparatus</title><author>YAMASHITA; SABURO ; MIYAHARA; SHUJI ; KIMURO; HARUMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4977910A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL</topic><topic>BLASTING</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>GRINDING</topic><topic>HEAT PUMP SYSTEMS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LIQUEFACTION SOLIDIFICATION OF GASES</topic><topic>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHING</topic><topic>PRODUCING, WORKING OR HANDLING ICE</topic><topic>REFRIGERATION OR COOLING</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMASHITA; SABURO</creatorcontrib><creatorcontrib>MIYAHARA; SHUJI</creatorcontrib><creatorcontrib>KIMURO; HARUMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMASHITA; SABURO</au><au>MIYAHARA; SHUJI</au><au>KIMURO; HARUMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cleaning method for apparatus</title><date>1990-12-18</date><risdate>1990</risdate><abstract>Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being sprayed to produce snow-like frozen liquid. The snow-like dry ice and the snow-like frozen liquid are mixed and the mixture is compressed and pelletized to produce hard particles each of which consists of a particle of snow-like dry ice coated with snow-like frozen liquid. Thus obtained particles are projected by compressed air or water under high pressure against an object to be cleaned. Wet type abrasive blasting can be effected because when the particles are projected against the object, the frozen liquid coating the surfaces of snow-like dry-ice particles is broken.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS GRINDING HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PERFORMING OPERATIONS POLISHING PRODUCING, WORKING OR HANDLING ICE REFRIGERATION OR COOLING TRANSPORTING WEAPONS |
| title | Cleaning method for apparatus |
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