GRAVITY FLOW THERMAL PROCESS FOR RECLAIMING FOUNDRY SAND
A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free falling sand particles to expose the particles...
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| creator | ROTHSCHILD, JOHN J DONAHUE, JAMES L |
| description | A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free falling sand particles to expose the particles to a combustion supporting furnace environment. Disposed immediately below the furnace is a sand retention chamber in which the sand is accumulated. Heated air is introduced into the retention chamber to maintain the combustion supporting environment. Residual coatings remaining on the sand particles are thermally removed in the retention chamber. |
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The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free falling sand particles to expose the particles to a combustion supporting furnace environment. Disposed immediately below the furnace is a sand retention chamber in which the sand is accumulated. Heated air is introduced into the retention chamber to maintain the combustion supporting environment. Residual coatings remaining on the sand particles are thermally removed in the retention chamber.</description><edition>6</edition><language>eng ; fre</language><subject>CASTING ; FOUNDRY MOULDING ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING</subject><creationdate>1993</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=19931102&DB=EPODOC&CC=CA&NR=2067865A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931102&DB=EPODOC&CC=CA&NR=2067865A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ROTHSCHILD, JOHN J</creatorcontrib><creatorcontrib>DONAHUE, JAMES L</creatorcontrib><title>GRAVITY FLOW THERMAL PROCESS FOR RECLAIMING FOUNDRY SAND</title><description>A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free falling sand particles to expose the particles to a combustion supporting furnace environment. Disposed immediately below the furnace is a sand retention chamber in which the sand is accumulated. Heated air is introduced into the retention chamber to maintain the combustion supporting environment. Residual coatings remaining on the sand particles are thermally removed in the retention chamber.</description><subject>CASTING</subject><subject>FOUNDRY MOULDING</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBwD3IM8wyJVHDz8Q9XCPFwDfJ19FEICPJ3dg0OVnDzD1IIcnX2cfT09fRzB3JD_VyCIhWCHf1ceBhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvLOjkYGZuYWZqaOhMRFKACZDKCI</recordid><startdate>19931102</startdate><enddate>19931102</enddate><creator>ROTHSCHILD, JOHN J</creator><creator>DONAHUE, JAMES L</creator><scope>EVB</scope></search><sort><creationdate>19931102</creationdate><title>GRAVITY FLOW THERMAL PROCESS FOR RECLAIMING FOUNDRY SAND</title><author>ROTHSCHILD, JOHN J ; DONAHUE, JAMES L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2067865A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1993</creationdate><topic>CASTING</topic><topic>FOUNDRY MOULDING</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ROTHSCHILD, JOHN J</creatorcontrib><creatorcontrib>DONAHUE, JAMES L</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ROTHSCHILD, JOHN J</au><au>DONAHUE, JAMES L</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>GRAVITY FLOW THERMAL PROCESS FOR RECLAIMING FOUNDRY SAND</title><date>1993-11-02</date><risdate>1993</risdate><abstract>A method and apparatus for thermally reclaiming used foundry sand is disclosed. The apparatus includes a vertically disposed furnace having a combustion chamber therein. A sand dispersion system supported within the combustion chamber disperses the free falling sand particles to expose the particles to a combustion supporting furnace environment. Disposed immediately below the furnace is a sand retention chamber in which the sand is accumulated. Heated air is introduced into the retention chamber to maintain the combustion supporting environment. Residual coatings remaining on the sand particles are thermally removed in the retention chamber.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CASTING FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING |
| title | GRAVITY FLOW THERMAL PROCESS FOR RECLAIMING FOUNDRY SAND |
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