Improvements relating to hose
A technology for hoses and hose parts, which is applied in the field of manufacturing super-long hoses and can solve problems such as failure
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[0087] exist figure 1 In general, 210 denotes a corrugated hose according to the invention.
[0088] The hose 210 includes an inner tubular corrugated layer 212 and an outer tubular corrugated layer 214 each comprised of a plurality of corrugated portions 212a and 214a arranged end to end and secured to each other. Layers 212 and 214 each have sinusoidal (or U-shaped or Ω-shaped) corrugations. An insulating layer 216 is disposed between the bellows 212 and 214 . In addition, the space between the bellows 212 and 214 is placed in a vacuum to further improve the insulation. An armor layer 218 is provided around the outer bellows 214 to further improve insulation. A pumping port 220 is provided for evacuating air from between the layers 212 and 214 to create a vacuum. Hose 210 also includes end fittings 222 at each end of the corrugated hose (at figure 1 Only one end fitting 222 is shown in .
[0089] Figure 3A-3D Three applications for the hose 10 are represented. exist...
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