Metal plastic composite tube with thermoplastic tube end contact flange
A technology for connecting flanges and metal plastics, applied in the direction of pipeline connection layout, pipe/pipe joints/pipe fittings, pipes, etc., can solve the problems of disappearance of anti-corrosion function, inconvenient use, accelerated corrosion of fluid medium, etc., to increase reliability, increase Application properties, the effect of increasing corrosion resistance and thermal insulation properties
Inactive Publication Date: 2009-08-26
甘国工
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Abstract
The invention provides a metal plastic composite tube with a thermoplastic tube end contact flange. A cylindrical metal tube wall which can bear fluid pressure and does not have a hole and a composite tube wall which is at least compounded with the inner wall of the metal tube wall and is formed by at least one plastic layer are arranged in the metal plastic composite tube, wherein the composite tube wall on the end part of the metal plastic composite tube is provided with a plurality of holes; the holes are filled with thermoplastic plastics of the plastic layer of the tube wall with hot melt connecting performance; and the thermoplastic plastics cover the cylindrical metal tube wall through the holes and are in hot melt connection with at least one plastic layer compounded with the inner wall so as to form the thermoplastic tube end contact flange which has connecting function and bears axial tensile force of a pipeline. The tube end contact flange completely and tightly covers a plastic outer layer and a plastic inner layer of a metal framework reinforced plastic composite tube tip, a pipeline end surface and the cylindrical metal tube wall through the holes, firm and reliable in connection, non leakage and high mechanical strength of the connecting position, prevents the fluid from corroding the metal framework, and has long service life.
Application Domain
Rigid pipesPipe connection arrangements
Technology Topic
ThermoplasticEngineering +7
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