JPS644945Y2 - - Google Patents

Info

Publication number

JPS644945Y2

JPS644945Y2 JP13419184U JP13419184U JPS644945Y2 JP S644945 Y2 JPS644945 Y2 JP S644945Y2 JP 13419184 U JP13419184 U JP 13419184U JP 13419184 U JP13419184 U JP 13419184U JP S644945 Y2 JPS644945 Y2 JP S644945Y2

Authority

JP

Japan

Prior art keywords

lid

leg

elastic member

drainage basin

leg pieces

Prior art date

1984-09-04

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

• 230000002093 peripheral effect Effects 0.000 claims description 9
• 238000005452 bending Methods 0.000 description 6
• 210000000078 claw Anatomy 0.000 description 4
• 239000010865 sewage Substances 0.000 description 4
• 230000037431 insertion Effects 0.000 description 3
• 238000003780 insertion Methods 0.000 description 3
• 230000006866 deterioration Effects 0.000 description 2
• 229920005989 resin Polymers 0.000 description 2
• 239000011347 resin Substances 0.000 description 2
• 229910001018 Cast iron Inorganic materials 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000003562 lightweight material Substances 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 229910052751 metal Inorganic materials 0.000 description 1
• 239000002689 soil Substances 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1