JPH0437014Y2 - - Google Patents

Info

Publication number

JPH0437014Y2

JPH0437014Y2 JP13199789U JP13199789U JPH0437014Y2 JP H0437014 Y2 JPH0437014 Y2 JP H0437014Y2 JP 13199789 U JP13199789 U JP 13199789U JP 13199789 U JP13199789 U JP 13199789U JP H0437014 Y2 JPH0437014 Y2 JP H0437014Y2

Authority

JP

Japan

Prior art keywords

valve cylinder

cover plate

diaphragm

protrusion

negative pressure

Prior art date

1989-11-13

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
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• 241000723353 Chrysanthemum Species 0.000 claims description 26
• 235000007516 Chrysanthemum Nutrition 0.000 claims description 26
• 239000011324 bead Substances 0.000 claims description 26
• 230000002093 peripheral effect Effects 0.000 claims description 17
• 238000004891 communication Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1