SPLIT KNIFE GATE VALVE HAVING A UNIFORMLY COMPRESSED AND CONSTRAINED RESILIENT GATE SEAT AND METHOD FOR PRODUCING THE SAME
A knife gate valve is constructed of two body members bolted together about a resilient gate seat. The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resi...
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| creator | GAMBETTA, DAVID L DESROCHERS, DARREL J |
| description | A knife gate valve is constructed of two body members bolted together about a resilient gate seat. The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resilient gate seat, thereby constraining its movement and preventing its deformation when the knife gate is closed. The matching flanges also facilitate the uniform tightening of the machine bolts during gate valve assembly. The resilient gate seat includes tab portions at its ends for improved retention and rib portions along its length for improved sealing. The resilient gate seat includes a seating contact area that has a width that is less than the thickness of the knife gate for reducing friction between the knife,gate and the gate seat. |
| format | Patent |
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The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resilient gate seat, thereby constraining its movement and preventing its deformation when the knife gate is closed. The matching flanges also facilitate the uniform tightening of the machine bolts during gate valve assembly. The resilient gate seat includes tab portions at its ends for improved retention and rib portions along its length for improved sealing. The resilient gate seat includes a seating contact area that has a width that is less than the thickness of the knife gate for reducing friction between the knife,gate and the gate seat.</description><edition>6</edition><language>eng ; fre</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2000</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=20000224&DB=EPODOC&CC=CA&NR=2246922A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000224&DB=EPODOC&CC=CA&NR=2246922A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAMBETTA, DAVID L</creatorcontrib><creatorcontrib>DESROCHERS, DARREL J</creatorcontrib><title>SPLIT KNIFE GATE VALVE HAVING A UNIFORMLY COMPRESSED AND CONSTRAINED RESILIENT GATE SEAT AND METHOD FOR PRODUCING THE SAME</title><description>A knife gate valve is constructed of two body members bolted together about a resilient gate seat. The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resilient gate seat, thereby constraining its movement and preventing its deformation when the knife gate is closed. The matching flanges also facilitate the uniform tightening of the machine bolts during gate valve assembly. The resilient gate seat includes tab portions at its ends for improved retention and rib portions along its length for improved sealing. The resilient gate seat includes a seating contact area that has a width that is less than the thickness of the knife gate for reducing friction between the knife,gate and the gate seat.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjMsKwjAQRbtxIeo_zA-4MIrgckimTTCP0kwLrkqRuBIt1JVfb3x8gKvLvfdw5sUz1tYwHL0pCSpkgg5tR6CxM74ChDY_oXH2BDK4uqEYSQF6lauP3KDxuefZWEOev4pIyB_GEeugIAugboJq5dvJOhPoaFnMLsN1SqtfLgooiaVep_Hep2kczumWHr1EIXb7gxC42f6BvABohDmk</recordid><startdate>20000224</startdate><enddate>20000224</enddate><creator>GAMBETTA, DAVID L</creator><creator>DESROCHERS, DARREL J</creator><scope>EVB</scope></search><sort><creationdate>20000224</creationdate><title>SPLIT KNIFE GATE VALVE HAVING A UNIFORMLY COMPRESSED AND CONSTRAINED RESILIENT GATE SEAT AND METHOD FOR PRODUCING THE SAME</title><author>GAMBETTA, DAVID L ; DESROCHERS, DARREL J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2246922A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2000</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GAMBETTA, DAVID L</creatorcontrib><creatorcontrib>DESROCHERS, DARREL J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GAMBETTA, DAVID L</au><au>DESROCHERS, DARREL J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SPLIT KNIFE GATE VALVE HAVING A UNIFORMLY COMPRESSED AND CONSTRAINED RESILIENT GATE SEAT AND METHOD FOR PRODUCING THE SAME</title><date>2000-02-24</date><risdate>2000</risdate><abstract>A knife gate valve is constructed of two body members bolted together about a resilient gate seat. The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resilient gate seat, thereby constraining its movement and preventing its deformation when the knife gate is closed. The matching flanges also facilitate the uniform tightening of the machine bolts during gate valve assembly. The resilient gate seat includes tab portions at its ends for improved retention and rib portions along its length for improved sealing. The resilient gate seat includes a seating contact area that has a width that is less than the thickness of the knife gate for reducing friction between the knife,gate and the gate seat.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | SPLIT KNIFE GATE VALVE HAVING A UNIFORMLY COMPRESSED AND CONSTRAINED RESILIENT GATE SEAT AND METHOD FOR PRODUCING THE SAME |
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