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Filter element

A technology for sealing packaging and inspection devices, which is applied to measuring devices, instruments, scientific instruments, etc., and can solve problems such as reduced quality of stored items and product damage

Active Publication Date: 2016-08-03
YAMAHA FINE TECHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such airtight packaging products, when the container leaks and air and other gases enter the inside, will lead to a decrease in the quality of the stored content, damage to the product itself, etc., so before going on the market, it is necessary to check whether there is gas mixing (for example, refer to patent Literature 1)

Method used

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Examples

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Embodiment Construction

[0026] Hereinafter, one embodiment of the present invention will be described with reference to the drawings. figure 1 It shows the inspection device 10 according to this embodiment to inspect the vacuum-packed product 20 for leakage, that is, to check whether the vacuum-packed product 20 is mixed with gas such as air or foreign matter. In the following descriptions, the directions of up and down, front and back, and left and right are based on figure 1 the direction of figure 1 The lower left is the front, and the upper right is the rear. The inspection device 10 has a setting device (not shown) for setting the vacuum-packed product 20 , an ultrasonic sensor 11 , a moving device 12 for moving the ultrasonic sensor 11 , encoders 17 a , 17 b , a control device 18 , and a display device 19 .

[0027] The setting device holds the peripheral portion or the four corners of the vacuum-packaged product 20 and supports the vacuum-packed product 20 in a state where the portion other ...

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PUM

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Abstract

The invention concerns a filter element for fluids, in particular for hydraulic fluid, consisting of at least one foldable filter casing (10) with at least one filter layer (18, 20, 22, 24), which extends between two end caps (26, 32), characterized in that, in order to vary in regions the thickness of the filter casing (10), the height (h1) of each filter fold (12, 44) increases from one end cap (26) to the other end cap (32) or, with the filter fold height (h1) being maintained, the outer diameter (40) of the filter casing (10) varies in the direction of one of the end caps (26, 32).

Description

technical field [0001] The present invention relates to an inspection device and inspection method for sealed packaged products, which are used to check whether gas or foreign matters are mixed into the inside of sealed packaged products such as vacuum packaged products and liquid packaged products. Background technique [0002] Conventionally used airtight packaging products include vacuum packaging products such as battery packaging or medical packaging that store batteries or medical supplies in a container in a vacuum state, or liquid packaging that stores food in a container in a state of being soaked in liquid products etc. Such airtight packaging products, when the container leaks and air and other gases enter the inside, will lead to a decrease in the quality of the stored content, damage to the product itself, etc., so before going on the market, it is necessary to check whether there is gas mixing (for example, refer to patent Literature 1). [0003] This inspect...

Claims

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Application Information

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IPC IPC(8): G01N29/032G01N29/27
CPCG01N29/032G01N29/27G01N29/265G01N2291/048G01N2291/102
Inventor 奈良晃宽
Owner YAMAHA FINE TECHNOLOGIES CO LTD
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