Composite thin-wall aluminium foil hose
A technology of compounding aluminum foil and hose, which is applied in the direction of hose, pipe, pipe/pipe joint/pipe fitting, etc., can solve the problems of welding seam on the surface of the pipe body, beautiful appearance, complicated production process, etc. Good effect and beautiful appearance
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[0020] Such as Figure 7 , Figure 8 with Picture 9 As shown, the composite aluminum foil hose of this embodiment is cylindrical, and its tube body is composed of a composite aluminum foil inner layer 10, an adhesive layer 11, and a plastic outer layer 12 from the inside to the outside. The composite aluminum foil inner layer 10 is a coil welding structure , There is a lap area at the intersection of the cylindrical seams. In this embodiment, the composite aluminum foil inner layer 10 itself is a three-layer composite film consisting of pure aluminum foil, adhesive and a layer of polyethylene from the inside to the outside. The middle layer of the pipe body is the adhesive layer 11, which is located between the composite aluminum foil inner layer 10 and the plastic outer layer 12. The adhesive layer 11 and the plastic outer layer 12 are co-extruded structures, and the plastic outer layer 12 is composed of five layers of polyethylene. Due to the co-extrusion structure, the outer su...
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