Reinforced manhole cover

Reinforced manhole cover

  • CN 101,021,073 A
  • Filed: 01/18/2007
  • Published: 08/22/2007
  • Est. Priority Date: 11/24/2006
  • Status: Active Application
First Claim
Patent Images

1. , a kind of groove well cover of reinforcement type, it is made up of base substrate (1), powerful back-up coat (2), structure glue (4) and well lid hole (3), and it is characterized in that:

  • powerful back-up coat (2) is the bottom surface that is pasted and fixed on base substrate (1) with structure glue (4).

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