Medium testing fixtutre for PDP-plate

A hose and flexible technology, applied in the field of flexible hoses, can solve problems such as reducing the bonding area

Inactive Publication Date: 2004-03-31
TOTAKU IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, although the bonding area of ​​the reinforced core material is reduced to reduce the peeling force, at least it is necessary to ensure that the peeling force generated by the air suction is not peeled off even if it is repeatedly applied.

Method used

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  • Medium testing fixtutre for PDP-plate
  • Medium testing fixtutre for PDP-plate
  • Medium testing fixtutre for PDP-plate

Examples

Experimental program
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Embodiment Construction

[0024] Hereinafter, an embodiment of the present invention will be described in detail based on the drawings. The flexible hose of an embodiment of the present invention, such as figure 2 As shown, in the electric vacuum cleaner 1, it is used as the vacuum cleaner hose 5 which connects the operation cylinder 3 which has the suction nozzle 2, and the vacuum cleaner main body 4. Especially useful as a wet cleaner hose for suctioning liquids such as water.

[0025] The pipe wall 6 of the vacuum cleaner hose 5 is spirally wound with a resin belt made of, for example, a soft synthetic resin material such as dechlorinated vinyl, a soft synthetic resin material such as vinyl chloride, or a material mixed with rubber or the like. , and overlap and weld or overlap and weld the side edges of the front resin tape and the rear resin tape.

[0026] The pipe wall 6 is transparent or translucent so that the flow state of the fluid passing through the inside can be visually confirmed. In ...

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PUM

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Abstract

The reinforcing core material 20 is formed to have a nearly recessed shape cross section by a strip part 21 facing the bottom part of the spiral groove 10 of the tube wall 6 and a pair of side plate parts 22 and 22 standing from both ends along the longitudinal direction of the strip part 21. Tip parts of the side plate parts 22 and 22 of the reinforcing core material 20 are adhered or fused for adhesion to the spiral groove 10 to reduce the adhesion area or fusing area of the reinforcing core material 20 so that the reinforcing core material 20 can be easily peeled from the tube wall 6.

Description

technical field [0001] The present invention relates to a flexible hose used for, for example, a vacuum cleaner hose for an electric vacuum cleaner. Background technique [0002] As a vacuum cleaner hose for electric vacuum cleaners, there is a reinforced core material made of hard synthetic resin that is spirally bonded or thermally welded to the soft synthetic resin tube wall to give it moderate flexibility and shape retention. sexual structure. [0003] Such a cleaner hose is installed between an operation cylinder having a suction nozzle and a cleaner main body. And its wire is connected with the side of the operation tube and the main body of the vacuum cleaner, and is used to send an electric signal from the side of the operation tube to the side of the main body of the vacuum cleaner in order to turn on and off the power supply of the main body of the vacuum cleaner, or to drive the rotating brush provided on the suction nozzle. power supply used. [0004] In the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47L9/24F16L11/11F16L11/12F16L11/127F16L11/16
CPCA47L9/248F16L11/127
Inventor 中西俊博西江泉竹中健太郎坂口正英
Owner TOTAKU IND INC
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