发明名称 |
METHOD OF PROTECTION OF BALL COCKS AGAINST WEAR |
摘要 |
gas, chemical and other industries; repair and reconditioning of ball cocks. SUBSTANCE: method consists in introducing sealing polymer paste into ball cock sealing unit followed by delay for completion of polymerization process. This paste is introduced into cavity of cock under pressure through drain pipe union when cock is placed in OPEN position forming the sealing ring-envelope in clearance between surface of sphere, cock body and seats in the course of polymerization of sealing paste. EFFECT: reduced wear of parts in "seat- sphere" contact area; increased service life of ball cocks. 2 cl, 4 dwg
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申请公布号 |
RU2165046(C1) |
申请公布日期 |
2001.04.10 |
申请号 |
RU20000106350 |
申请日期 |
2000.03.14 |
申请人 |
ROSSIJSKIJ GOSUDARSTVENNYJ UNIVERSITET NEFTI I GAZ;A IM I M GUBKINA |
发明人 |
SEDYKH A.D.;LEVITSKIJ D.N.;MIKHAJLYCHEV V.N.;PARFENOV K.V.;MIKHAJLYCHEV A.V. |
分类号 |
F16K5/06;(IPC1-7):F16K5/06 |
主分类号 |
F16K5/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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