JPH0118993Y2 - - Google Patents

Info

Publication number

JPH0118993Y2

JPH0118993Y2 JP18492683U JP18492683U JPH0118993Y2 JP H0118993 Y2 JPH0118993 Y2 JP H0118993Y2 JP 18492683 U JP18492683 U JP 18492683U JP 18492683 U JP18492683 U JP 18492683U JP H0118993 Y2 JPH0118993 Y2 JP H0118993Y2

Authority

JP

Japan

Prior art keywords

tile

ventilation opening

ventilation

ridge

rain

Prior art date

1983-11-30

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 68
• 238000004891 communication Methods 0.000 claims description 7
• 239000000463 material Substances 0.000 claims description 6
• 238000005516 engineering process Methods 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 241000271566 Aves Species 0.000 description 1
• 241000287127 Passeridae Species 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000012856 packing Methods 0.000 description 1
• 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
• 238000004804 winding Methods 0.000 description 1