JPH0221717Y2 - - Google Patents

Info

Publication number

JPH0221717Y2

JPH0221717Y2 JP1985061940U JP6194085U JPH0221717Y2 JP H0221717 Y2 JPH0221717 Y2 JP H0221717Y2 JP 1985061940 U JP1985061940 U JP 1985061940U JP 6194085 U JP6194085 U JP 6194085U JP H0221717 Y2 JPH0221717 Y2 JP H0221717Y2

Authority

JP

Japan

Prior art keywords

ventilation

shield

check valve

valve body

ventilation hole

Prior art date

1985-04-24

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

• 238000009423 ventilation Methods 0.000 claims description 98
• 230000002093 peripheral effect Effects 0.000 claims description 9
• 230000037431 insertion Effects 0.000 claims description 8
• 238000003780 insertion Methods 0.000 claims description 8
• 230000002452 interceptive effect Effects 0.000 claims description 2
• 230000000694 effects Effects 0.000 description 4
• 229920003002 synthetic resin Polymers 0.000 description 4
• 239000000057 synthetic resin Substances 0.000 description 4
• 238000005192 partition Methods 0.000 description 3
• 239000002184 metal Substances 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 241001465754 Metazoa Species 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000001747 exhibiting effect Effects 0.000 description 1
• 239000006260 foam Substances 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 239000003562 lightweight material Substances 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1