JPH0356583Y2 - - Google Patents

Info

Publication number

JPH0356583Y2

JPH0356583Y2 JP1985164328U JP16432885U JPH0356583Y2 JP H0356583 Y2 JPH0356583 Y2 JP H0356583Y2 JP 1985164328 U JP1985164328 U JP 1985164328U JP 16432885 U JP16432885 U JP 16432885U JP H0356583 Y2 JPH0356583 Y2 JP H0356583Y2

Authority

JP

Japan

Prior art keywords

ventilation

ventilation hole

drainage

drain plate

ridge

Prior art date

1985-10-25

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

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• 238000009423 ventilation Methods 0.000 claims description 72
• 125000006850 spacer group Chemical group 0.000 claims description 10
• 239000010865 sewage Substances 0.000 claims description 6
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
• 239000000463 material Substances 0.000 description 7
• 229920001971 elastomer Polymers 0.000 description 2
• 238000003780 insertion Methods 0.000 description 2
• 230000037431 insertion Effects 0.000 description 2
• 239000011120 plywood Substances 0.000 description 2
• 229920001875 Ebonite Polymers 0.000 description 1
• 229920005549 butyl rubber Polymers 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 230000014759 maintenance of location Effects 0.000 description 1
• 238000012856 packing Methods 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 229920001084 poly(chloroprene) Polymers 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 229910001220 stainless steel Inorganic materials 0.000 description 1
• 239000010935 stainless steel Substances 0.000 description 1