Composite reinforced strip windable to form a helical pipe and method therefor

a technology of helical pipes and reinforced strips, which is applied in the direction of pipes, pipe protection against damage/wear, mechanical equipment, etc., can solve the problems of requiring considerable force during the rolling process

Active Publication Date: 2010-06-03
SEKISUI RIB LOC AUSTRALIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention relates to improving strength by adding an element called a part that helps protect pipes from being bent or shattered during construction work. This improvement can be useful for building structures where there are many types of stress on them caused by external forces such as impacts.

Problems solved by technology

Technological Problem: The technical problem addressed in this patented text describes how to improve the strength and durability of spiral welded thermoplastic pipings used for transportation purposes without compromise their effectiveness under severe conditions like soil loadings caused by heavy equipment movements.

Method used

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  • Composite reinforced strip windable to form a helical pipe and method therefor
  • Composite reinforced strip windable to form a helical pipe and method therefor
  • Composite reinforced strip windable to form a helical pipe and method therefor

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Embodiment Construction

[0072]Embodiments of the invention are illustrated in the accompanying representations in which:

[0073]FIG. 1a shows a cross-sectional view of a composite strip according to an embodiment of the invention.

[0074]FIG. 1b is a similar view to that of FIG. 1a but shows alternative edge arrangements for joining adjacent convolutions of the strip.

[0075]FIG. 2 shows an alternative embodiment of the invention.

[0076]FIGS. 3a and 3b are isometric views of the profiles of FIGS. 1 and 1b respectively.

[0077]FIG. 4 is an isometric view of a pipe wound from the profile of FIG. 1b.

[0078]FIG. 5 is a cross-sectional view of a composite strip according to a further alternative embodiment of the invention, of the strip having a base reinforcing the portion.

[0079]FIG. 6 is similar view to that of FIG. 5 but shows adjacent profiles interlocking.

[0080]FIG. 7a shows a cross-sectional view of a composite strip according to a further embodiment of the invention. Included within FIG. 7a is an enlarged view of th

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Abstract

A composite strip (10) windable to form a helical pipe for transporting fluid is disclosed. The composite strip comprises: an elongate plastic strip (11) having a base portion (12), the base portion (12) having an upper side defining an outer face (15); and at least one lengthwise extending composite rib portion (20) upstanding from the outer face (15) of the base portion (12). The rib portion (20) has a distal end (23) remote from the base portion (12). The composite rib portion comprises: an elongate inboard reinforcing member (30) disposed within or adjacent to the base portion (12); an elongate outboard reinforcing (40) member disposed within the distal end (20) of the rib portion (20) parallel to the inboard reinforcing member (30); and an elongate intermediate plastic web (23) portion extending between the inboard and outboard reinforcing members (30, 40). When wound into a helical pipe, the composite rib portion (20) reinforces the pipe against radial crushing loads.

Description

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Claims

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Application Information

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Owner SEKISUI RIB LOC AUSTRALIA
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