Title:
DEVICE FOR WATERPROOFING A BUTT JOINT
Document Type and Number:
WIPO Patent Application WO/2004/048712
Kind Code:
A1
Abstract:
The invention can be used for waterproofing permanent butt joints of various building objects, for example for waterproofing metal hollow columns and mains and for other engineering fields for protecting against corrosion, reducing heat loses and preventing a butt joint of a construction of aggressive agents. Said invention reduces labour cost for producing a waterproofed butt joint, increases the waterproof reliability thereof and improves the heat-insulation properties of a joint area. The inventive device for waterproofing a butt joint comprises an envelope which is made of high or medium density polyethylene and open on the ends thereof. The middle section of said envelope is made of non-cross-linked polyethylene and the length thereof is equal to 0.35-0.65 of the envelope length. A layer of a sealant or gluing material is applied to the internal perimeter of at least one end section of the envelope.
Inventors:
USTYUGOV VLADIMIR ARKADIEVICH (RU)
Application Number:
PCT/RU2003/000100
Publication Date:
June 10, 2004
Filing Date:
March 19, 2003
Export Citation:
Assignee:
USTYUGOV VLADIMIR ARKADIEVICH (RU)
International Classes:
E04B1/64; E04B1/62; E04B1/66; F16L58/18; (IPC1-7): E04B1/64
Foreign References:
| RU2145688C1 | 2000-02-20 | |||
| RU2048984C1 | 1995-11-27 | |||
| SU350912A | ||||
| FR2355964A1 | 1978-01-20 | |||
| US4287696A | 1981-09-08 |
Attorney, Agent or Firm:
Kornienko, Elena Victorovna (12-60 Moscow, 2, RU)
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