Embedded waterproof steel-plastic sleeve

Embedded waterproof steel-plastic sleeve

  • CN 202,884,270 U
  • Filed: 11/15/2012
  • Issued: 04/17/2013
  • Est. Priority Date: 11/15/2012
  • Status: Active Grant
First Claim
Patent Images

1. a pre-buried waterproof steel is moulded sleeve pipe, it is characterized in that:

  • the casing bit and the steel pipe that comprise integral type, and be arranged on water-stop ring on the steel pipe by welding manner, described casing bit and steel pipe interfix, be provided with feed-water end and waterexit end on the described casing bit, described casing bit top, specifically be provided with to stop foreign matter to enter filtration square in the casing bit at the feed-water end place, described casing bit and steel pipe inner wall joint are provided with viscose glue.

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