发明名称 |
SEAL STRUCTURE OF FLANGE CONNECTION PART, AND SEALING METHOD OF FLANGE CONNECTION PART |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a structure which prevents fluid from leaking through a bolt hole without deteriorating air-tightness between flange mating surfaces with a simple constitution. <P>SOLUTION: A seal structure 1 of flange connection part includes: an upper flange 7 and a lower flange 9 which are in contact with each other; an upper screw hole 721 which is disposed on the upper flange 7 and is opened to an upper contact surface 711; a lower screw hole 92 which is disposed on a lower flange 9 and is opened to a lower contact surface 91; a storage hole 722 which is opened to a clamping surface 712 while expanding the diameter from the upper screw hole 721; a fastener 6 which fastens the upper flange 7 and a lower flange 9 to integrate them; an O-ring 111 which is disposed so as to surround the bolt 61 in the storage hole 722; and a pressing member 112 which receives a fastening force of the fastener 6, pressing the O-ring 111 and swells the O-ring 111 in the radial direction of the bolt 61. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2012102802(A) |
申请公布日期 |
2012.05.31 |
申请号 |
JP20100251882 |
申请日期 |
2010.11.10 |
申请人 |
MITSUBISHI HEAVY IND LTD;MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORP |
发明人 |
OKADA NORIYUKI;NISHIOKA JUNPEI |
分类号 |
F16J15/06;F16J15/10 |
主分类号 |
F16J15/06 |
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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