JPH0447506Y2 - - Google Patents

Info

Publication number

JPH0447506Y2

JPH0447506Y2 JP3912988U JP3912988U JPH0447506Y2 JP H0447506 Y2 JPH0447506 Y2 JP H0447506Y2 JP 3912988 U JP3912988 U JP 3912988U JP 3912988 U JP3912988 U JP 3912988U JP H0447506 Y2 JPH0447506 Y2 JP H0447506Y2

Authority

JP

Japan

Prior art keywords

valve

short pipe

jacket

flange

valve box

Prior art date

1988-03-24

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000011144 upstream manufacturing Methods 0.000 description 4
• 238000005266 casting Methods 0.000 description 2
• 238000001816 cooling Methods 0.000 description 2
• 230000007547 defect Effects 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 229910003460 diamond Inorganic materials 0.000 description 1
• 239000010432 diamond Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 239000013585 weight reducing agent Substances 0.000 description 1