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Laminated coextrusion low-pressure water pipe and manufacturing method thereof
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A technology of multi-layer co-extrusion and water delivery pipe, applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of high cost, heavy weight, easy aging of low-pressure water pipes, etc., and achieve low cost and weight. The effect of lightening and improving market competitiveness
Active Publication Date: 2013-11-06
GUANGDONG LIANSU TECH INDAL
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Problems solved by technology
On the one hand, this composite pipe cannot solve the problem of easy aging of existing low-pressure water pipelines, and also has the problems of heavy weight and high cost; on the other hand, the components of this composite pipe are designed for the above-mentioned special Occasionally designed, not suitable for use as a general low-pressure water pipeline
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Abstract
The invention relates to a plastic pipeline, and in particular relates to a laminated coextrusion low-pressure water pipe and a manufacturing method thereof. The laminated coextrusion low-pressure water pipe comprises an outer layer, an intermediate layer and an inner layer, wherein the outer layer is an ASA (acrylate-styrene-acrylonitile polymer) layer or a PMMA (polymethyl methacrylate) layer, the intermediate layer is a modified PVC (polyvinyl chloride) layer, and the inner layer is a PVC antibiosis layer. By the water pipe provided by the invention, a pipeline which is suitable for the application field is designed not only aiming at the characteristics of low-pressure water delivery field, but also utilizing the laminated coextrusion to solve the balance of aging resistance and cost of the traditional low-pressure water delivery pipeline, thus the substantial improvement of the aging property is realized on the basis of not improving the cost, and the market competity of the product is improved; and additionally, the invention also discloses a manufacturing method of the low-pressure water pipe.
Description
technical field [0001] The invention relates to a plastic pipe, in particular to a multi-layer co-extruded low-pressure water delivery pipe and a manufacturing method thereof. Background technique [0002] As a branch of the water delivery field, low-pressure water delivery pipelines are getting more and more attention today when agriculture, gardening and other industries are becoming more and more prosperous. [0003] However, there is an embarrassing situation in the current field of low-pressure water pipelines: using traditional water supply pipes will cause problems of high cost and waste of resources, while using drain pipes or low-grade water supply pipes will bring risks in use. However, the country only promulgated the standard of "PVC-U Pipes for Low-pressure Water Delivery Irrigation" in 2006 to regulate the market. This makes the field of low-pressure water pipelines for a long time no targeted products suitable for applications in this field. The new standard...
Claims
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Application Information
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