JPS636324Y2 - - Google Patents

Info

Publication number

JPS636324Y2

JPS636324Y2 JP14540980U JP14540980U JPS636324Y2 JP S636324 Y2 JPS636324 Y2 JP S636324Y2 JP 14540980 U JP14540980 U JP 14540980U JP 14540980 U JP14540980 U JP 14540980U JP S636324 Y2 JPS636324 Y2 JP S636324Y2

Authority

JP

Japan

Prior art keywords

horizontal rod

ventilation

foundation

ventilation opening

grid

Prior art date

1980-10-13

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
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 41
• 230000037431 insertion Effects 0.000 claims description 18
• 238000003780 insertion Methods 0.000 claims description 18
• 239000013013 elastic material Substances 0.000 claims description 4
• 239000000463 material Substances 0.000 claims description 4
• 238000009415 formwork Methods 0.000 description 4
• 238000010276 construction Methods 0.000 description 2
• 230000007797 corrosion Effects 0.000 description 2
• 238000005260 corrosion Methods 0.000 description 2
• 241000282472 Canis lupus familiaris Species 0.000 description 1
• 241000282326 Felis catus Species 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 238000004080 punching Methods 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1