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Connection method for double-wall corrugated bushing

A technology of corrugated casing and connection method, which is applied in the connection field of double-wall corrugated casing, and can solve the problems of large consumption of materials, slow construction speed, easy leakage, etc.

Inactive Publication Date: 2006-02-22
冯文学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, the connection method of two pipes is to glue the joint of the two casings with adhesive or hold them tightly with a hoop outside. This method is slow in construction, easy to leak, consumes a lot of materials, and costs high

Method used

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  • Connection method for double-wall corrugated bushing
  • Connection method for double-wall corrugated bushing

Examples

Experimental program
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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the drawings and embodiments.

[0009] From figure 1 , figure 2 It can be seen that it is installed in the groove 5 where the interface end 2 of the double-wall corrugated sleeve 1 and the other double-wall corrugated sleeve 3 are sleeved with the flaring 4, and an annular rubber elastic seal with a triangular cross section is installed. The ring 6 eliminates the gap to achieve the effect of connection and sealing.

[0010] In the implementation, the cross-sectional shape of the elastic sealing ring 6 can also be a circle or a semicircle or a combination of a semicircle and a triangle or a combination of a trapezoid and a semicircle or a combination of a trapezoid and a triangle or a combination of a rectangle and a semicircle or a combination of a rectangle and a semicircle. A combination of triangles; the material of the elastic sealing ring 6 used can also be made of nylon or plastic plastic; the ...

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PUM

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Abstract

The invention discloses a connecting method of double-walled accordion tube, in order to provide a connecting method of simple structure, fast construction, better sealing property, corrosion resistance, low cost and which can be used for double-walled accordion tube in certain bending. The invention mounts at least one resilient sealing ring in the groove of the connecting section of connector part of double-walled accordion tube and the enlarged connector of another double-walled accordion tube. Said invention can apply the connection of double-walled accordion tubes to lay the electrical wires and cables.

Description

Technical field [0001] The invention belongs to a connection method of a bushing, and more particularly relates to a connection method of a double-wall corrugated bushing used for buried wire and cable. Background technique [0002] In order to improve the environment and increase safety, electric power and communication departments often put wires, cables, optical cables and other lines with corrosion-resistant, insulating, and anti-external pressure casings before burying them underground. Due to the needs of manufacturing and construction, it is generally used by connecting sections of casing. In order to improve versatility, one end of the casing is made into a flaring, and the other end without flaring is the interface end. Insert the interface end into the other one. In the hole at the flared end. Usually the two pipes are connected by adhesive bonding at the joints of the two sleeves or holding them tightly on the outside with a hoop. This method i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G9/06
Inventor 冯文学
Owner 冯文学