JPS6110114Y2 - - Google Patents

Info

Publication number

JPS6110114Y2

JPS6110114Y2 JP19076680U JP19076680U JPS6110114Y2 JP S6110114 Y2 JPS6110114 Y2 JP S6110114Y2 JP 19076680 U JP19076680 U JP 19076680U JP 19076680 U JP19076680 U JP 19076680U JP S6110114 Y2 JPS6110114 Y2 JP S6110114Y2

Authority

JP

Japan

Prior art keywords

ventilation

duct

opening

shutter

ventilation system

Prior art date

1980-12-29

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 28
• 238000010586 diagram Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000000465 moulding Methods 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 241001272720 Medialuna californiensis Species 0.000 description 1
• 239000004743 Polypropylene Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• -1 polypropylene Polymers 0.000 description 1
• 229920001155 polypropylene Polymers 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1