JPS6118287Y2 - - Google Patents

Info

Publication number

JPS6118287Y2

JPS6118287Y2 JP155280U JP155280U JPS6118287Y2 JP S6118287 Y2 JPS6118287 Y2 JP S6118287Y2 JP 155280 U JP155280 U JP 155280U JP 155280 U JP155280 U JP 155280U JP S6118287 Y2 JPS6118287 Y2 JP S6118287Y2

Authority

JP

Japan

Prior art keywords

negative pressure

valve

check valve

grommet

pressure chamber

Prior art date

1980-01-10

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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• 230000007423 decrease Effects 0.000 description 3
• 239000013013 elastic material Substances 0.000 description 2
• 238000007789 sealing Methods 0.000 description 2
• 238000003466 welding Methods 0.000 description 2
• 238000005452 bending Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 230000035936 sexual power Effects 0.000 description 1