JPH0242748Y2 - - Google Patents

Info

Publication number

JPH0242748Y2

JPH0242748Y2 JP14340984U JP14340984U JPH0242748Y2 JP H0242748 Y2 JPH0242748 Y2 JP H0242748Y2 JP 14340984 U JP14340984 U JP 14340984U JP 14340984 U JP14340984 U JP 14340984U JP H0242748 Y2 JPH0242748 Y2 JP H0242748Y2

Authority

JP

Japan

Prior art keywords

socket

manhole

bottom plate

downstream

upstream

Prior art date

1984-09-20

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

• 238000011144 upstream manufacturing Methods 0.000 claims description 15
• 230000004323 axial length Effects 0.000 claims description 11
• 230000002093 peripheral effect Effects 0.000 claims description 9
• 230000037431 insertion Effects 0.000 claims description 7
• 238000003780 insertion Methods 0.000 claims description 7
• 238000007789 sealing Methods 0.000 claims description 6
• 239000003673 groundwater Substances 0.000 description 3
• 239000007767 bonding agent Substances 0.000 description 2
• 238000010276 construction Methods 0.000 description 2
• 239000004570 mortar (masonry) Substances 0.000 description 2
• 239000011347 resin Substances 0.000 description 2
• 229920005989 resin Polymers 0.000 description 2
• 239000002351 wastewater Substances 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000013013 elastic material Substances 0.000 description 1
• 229920001971 elastomer Polymers 0.000 description 1
• 239000005060 rubber Substances 0.000 description 1
• 229920003051 synthetic elastomer Polymers 0.000 description 1
• 239000005061 synthetic rubber Substances 0.000 description 1