JPS621511Y2 - - Google Patents

Info

Publication number

JPS621511Y2

JPS621511Y2 JP17543380U JP17543380U JPS621511Y2 JP S621511 Y2 JPS621511 Y2 JP S621511Y2 JP 17543380 U JP17543380 U JP 17543380U JP 17543380 U JP17543380 U JP 17543380U JP S621511 Y2 JPS621511 Y2 JP S621511Y2

Authority

JP

Japan

Prior art keywords

valve

partition wall

hole

auxiliary body

closure

Prior art date

1980-12-05

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

• 238000005192 partition Methods 0.000 claims description 26
• 238000009423 ventilation Methods 0.000 claims description 10
• 239000013013 elastic material Substances 0.000 claims description 3
• 230000000149 penetrating effect Effects 0.000 claims 1
• 238000013022 venting Methods 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 description 13
• 229920001971 elastomer Polymers 0.000 description 5
• FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
• 229920000459 Nitrile rubber Polymers 0.000 description 1
• 230000005856 abnormality Effects 0.000 description 1
• NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000003247 decreasing effect Effects 0.000 description 1
• 230000003111 delayed effect Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1