JPH027984Y2 - - Google Patents

Info

Publication number

JPH027984Y2

JPH027984Y2 JP19195285U JP19195285U JPH027984Y2 JP H027984 Y2 JPH027984 Y2 JP H027984Y2 JP 19195285 U JP19195285 U JP 19195285U JP 19195285 U JP19195285 U JP 19195285U JP H027984 Y2 JPH027984 Y2 JP H027984Y2

Authority

JP

Japan

Prior art keywords

piston

valve body

drain

outlet

shaped valve

Prior art date

1985-12-12

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

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
• 238000004891 communication Methods 0.000 claims description 9
• 230000005540 biological transmission Effects 0.000 claims description 8
• 230000002265 prevention Effects 0.000 claims description 5
• 230000000630 rising effect Effects 0.000 claims 1
• 238000012856 packing Methods 0.000 description 13
• 238000010276 construction Methods 0.000 description 2
• 230000008014 freezing Effects 0.000 description 2
• 238000007710 freezing Methods 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 238000011144 upstream manufacturing Methods 0.000 description 1