Title:
AUTOMATICALLY-THAWING ANTI-THEFT SEWER PIPE
Document Type and Number:
WIPO Patent Application WO/2015/120722
Kind Code:
A1
Abstract:
An automatically-thawing anti-theft sewer pipe, comprising a pipe, and characterized in that the pipe is coated with a rock wool layer on the outside, is internally provided with an electrothermal film therein, and is provided with sharp barbs; the sharp barbs pierce through the rock wool layer and are then exposed and densely distributed on the surface of the rock wool layer; the pipe is provided with fitting threads on both ends thereof, with a clamp-shaped latch in the middle section thereof. The present invention is mainly used in outdoor drainage pipelines of constructions such as a building, in particular to large-scale communities, and office buildings, and has an enhanced anti-theft function and improved pipe quality.
Inventors:
ZHU LINXUE (CN)
ZHU HONGYING (CN)
ZHU HONGYING (CN)
Application Number:
PCT/CN2014/086583
Publication Date:
August 20, 2015
Filing Date:
September 15, 2014
Export Citation:
Assignee:
ZHU LINXUE (CN)
ZHU HONGYING (CN)
ZHU HONGYING (CN)
International Classes:
E03F3/04; E03B7/12; E04D13/08; F16L53/38
Foreign References:
| CN203703483U | 2014-07-09 | |||
| CN203878711U | 2014-10-15 | |||
| CN203188502U | 2013-09-11 | |||
| CN2239556Y | 1996-11-06 | |||
| CN202674718U | 2013-01-16 | |||
| CN2099779U | 1992-03-25 | |||
| CN2347117Y | 1999-11-03 | |||
| CN203703399U | 2014-07-09 | |||
| CN203684552U | 2014-07-02 | |||
| US4214147A | 1980-07-22 |
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