Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe

A polymer pipe, polymer technology, applied in the direction of pipes/pipe joints/fittings, manufacturing tools, metal processing equipment, etc., can solve problems such as high labor intensity, improve productivity and service life, increase productivity, improve strength and The effect of machinability

Inactive Publication Date: 2014-12-03
Y·M·彼得罗夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0028] The disadvantage of this type of connection is that it is highly labor intensive and it is not possible to u

Method used

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  • Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe
  • Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe
  • Metal-containing polymeric reinforced pipe, method for manufacturing same and pipeline produced using said pipe

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Embodiment Construction

[0110] Metal-polymer reinforced pipes, such as figure 1 Shown is a polymer matrix 1 and a welded metal frame made of longitudinal 2 and transverse 3 reinforcing elements. The frame is produced by helically winding transverse stiffening elements 3 onto longitudinal stiffening elements 2 and they are welded to each other at each of their intersections. The metal-polymer reinforced tube is produced by extrusion, in which the welded reinforced frame is fed into the mold cavity, and the polymer melt is fed into the cavity at the same time, when the molded tube After leaving the mold cavity, it is subjected to intensive cooling on both sides, in which coolant is supplied to the inside and outside.

[0111] Plants for the continuous production of metal-polymer pipes, such as figure 2 and 3 As shown, there is an extruder 4 mounted on a base 5 and having an extrusion head 6 . Reels 7 and 8 are used to feed longitudinal and transverse metal reinforcement elements (in particular wi...

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Abstract

The invention relates to polymeric pipes reinforced with a metal casing, which are used for transporting oil and gas, acids, alkali products, drinking water and industrial water, and also in the transportation of aggressive and neutral pulps, for example, in the event of the underground leaching of rock. What is claimed is: a metal-containing polymeric reinforced pipe comprising a welded metal casing and a polymeric matrix having an amorphous-phase-based molecular structure. The metal-containing polymeric reinforced pipe is produced by extrusion moulding with simultaneous feeding of a polymer melt and the reinforcing metal casing into the mould cavity, followed by intensive cooling of the internal and external surfaces of the pipe being moulded. The technical result of the invention is an increase in the quality and endurance limit in the radial direction of the metal-containing polymeric reinforced pipe, with an increase in productivity of the process for manufacturing said pipe, and also an increase in the strength and technological effectiveness of a pipeline constructed from the pipes produced.

Description

technical field [0001] The invention relates to a polymer tube reinforced by a metal frame, a method for manufacturing said tube, and the use of an optimal deformation of said tube. The strength of the metal frame and the chemical stability of the polymer matrix (polymer matrix) enable the use of metal-polymer (metal-plastic) pipes in various economic fields, in particular, for the transportation of oil and gas, acids, alkali products, Drinking water and industrial water, and the high stability against abrasive wear enables the use of the pipe for conveying corrosive and neutral pulps and as case pipe, e.g. for leaching of rocks underground . Background technique [0002] It is known in USSR Inventor's Certificate No. SU1366757 published on January 15, 1988 to describe a metal-polymer reinforced pipe comprising a welded metal frame and a polymer matrix. A disadvantage of such pipes is the complex composite structure of the polymer matrix resulting from the two-step product...

Claims

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Application Information

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IPC IPC(8): F16L9/12B29D23/00B29C47/06F16L47/02F16L19/02F16L15/00F16L13/02B23K9/22B29C48/09B29C48/153B29C48/16B29C48/355B29C48/87B29C48/90
CPCB29C65/562B29C65/20B29C47/864B29L2023/22F16L19/0206B29C66/52241F16L13/02B29C66/1224B29C47/04B29C66/1222B29C66/72141B29D23/008F16L9/147F16L23/18B29C66/52231F16L23/024F16L41/021B29C66/52296B29D23/001F16L43/008B29C66/5223B29C47/0066B29C66/7212B29C47/34B29K2305/00B29C66/52298B29D23/006B29C65/561F16L15/00F16L43/002B29C66/5221B29C47/0023B29C66/52292B29C47/1036B29C66/1142B29C48/16B29C48/09B29C48/2883B29C48/0022B29C48/355B29C48/87B29L2031/243B29L2031/246B29C66/7392B29C66/7394B29C66/81265B29K2995/0072B29C66/71B29C66/83413B29K2995/0089B29C66/7315B29C66/73771B29C66/73921B29C66/73941B29C66/73115B29C66/7313B29C66/7352F16L9/128F16L47/03F16L47/14F16L47/16F16L47/04B29C66/8161B29C66/8221B29C66/8242B29C66/73161B29C48/153B29D23/00B29K2101/00B29K2705/00B29K2705/02B29K2705/08B29K2705/10B29K2705/12F16L47/02B29K2077/00B29K2023/04B29K2075/00B29K2027/06B29K2081/06B29K2067/00B29K2027/12B29K2023/06B21C37/09B29C48/902B29C48/9115F16L57/00B23K9/22
Inventor Y·M·彼得罗夫
Owner Y·M·彼得罗夫
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