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Porous body

A technology of porous body and liquid collection, applied in the field of porous body, can solve problems such as poor user experience, achieve the effect of preventing ink leakage and improving user experience

Pending Publication Date: 2019-12-13
MAIBO HIGH POLYMER MATERIAL NINGBO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this patent is that the airway can only be liquid-sealed when the first liquid-absorbent material absorbs a sufficient amount of graffiti from the second liquid-absorbent material. The amount of graffiti left in the liquid tube is already small, and the user will mistakenly think that there is less graffiti, or when the graffiti cannot be seen in the liquid storage tube, although there is still a lot of graffiti in the liquid absorbing material, the user will Falsely thinking that the scribble fluid has run out, both of which lead to a poor user experience

Method used

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Examples

Experimental program
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Effect test

no. 1 example

[0041] figure 1 It is a schematic structural diagram of a graffiti tool using the porous body of the present invention provided according to the first embodiment of the present invention. refer to figure 1 , the present embodiment provides a kind of graffiti implement that applies porous body of the present invention, comprises graffiti head 1; The porous body 2 that communicates with graffiti head 1, porous body 2 is communicated with external atmosphere; Gas-liquid exchanger 3; The liquid storage pipe 4 communicated by the gas-liquid exchanger 3 . Wherein, the porous body 2 has a liquid collection part 22 close to the liquid storage tube 4, a decreasing capillary part 21 arranged below the liquid collecting part 22 and a buffer part 20 arranged below the decreasing capillary part 21; the ascending capillary pressure of the decreasing capillary part 21 Decrease from the liquid collection part 22 to the buffer part 20; the gas-liquid exchanger 3 has an air guide channel 30 a...

no. 2 example

[0102] like Figure 3a and 3b As shown, the structure of this embodiment is similar to that of the first embodiment, and the same parts as those of the first embodiment will not be repeated in the description of this embodiment. The difference lies in that the liquid collecting portion 22 of this embodiment is formed by radially extruding the integrated porous material from the porous body housing chamber 5 integrally formed with the separator, and forms the decreasing capillary portion 21 accordingly. The ascending capillary pressure of the buffer portion 20 is 60% of the ascending capillary pressure of the liquid collecting portion 22; 10% of the capacity. The front end of the air guide channel 30 is set at the lower end of the liquid collection part 22, and the liquid guide channel 31 is a water guide core stuck in the air guide channel 30 through the reinforcing rib 32. end. The capillary void volume of the buffer part 20 is 50% of the volume of the liquid storage tube...

no. 3 example

[0107] like Figure 4a and 4bAs shown, the structure of this embodiment is similar to that of the first embodiment, but the liquid guiding channel 31 is a hollow tube, and its front end is located at the middle and lower part of the decreasing capillary part 21 and is against the rear end of the nib; the front end of the air guiding channel 30 is located at the decreasing capillary part 21 middle. The liquid collecting part 22 and the decreasing capillary part 21 are integrated, the buffer part 20 is a separate body, and the rising capillary pressure of the buffer part 20 is 80% of the rising capillary pressure of the liquid collecting part 22 . Each part of the porous body is located in the porous body accommodation chamber 5; the cross-sectional area of ​​the liquid collecting portion 22 is 65% of the cross-sectional area of ​​the buffer portion 20, and the graffiti capacity of the liquid collecting portion 22 is 15% of the capacity of the liquid storage tube. The capillar...

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Abstract

The invention relates to a porous body. The porous body comprises a buffering part, a liquid collecting part and a progressive decreasing capillary part arranged between the buffering part and the liquid collecting part. The ascending capillary pressure of the progressive decreasing capillary part is progressively decreased from the liquid collecting part to the buffering part, and the ascending capillary pressure of the buffering part is 20%-80% of the ascending capillary pressure of the liquid collecting part. According to a scribbling tool applying the porous body, a user can observe the amount of the scribbling liquid conveniently, the user experience is improved, and ink leakage under an abnormal condition can be effectively prevented.

Description

technical field [0001] The invention relates to a porous body, in particular to a porous body in a direct-liquid scribbling tool in the technical fields of writing, cosmetics, correction fluid, liquid glue and the like. Background technique [0002] In the field of graffiti, porous materials have been widely used, such as in watercolor pens and eyeliners, porous materials are used as materials for absorbing and containing liquids. In the prior art, the most commonly used porous material is a roll-wrapped core formed by covering fiber bundles with a film. When in use, it is loaded into the pen holder and inserted into the doodling head. Drainage, the liquid spreads to both ends, and also facilitates the release of liquid when doodling. However, the liquid output of the roll-wrapped core will gradually decrease with the increase of the use time, which will cause blurred writing, and the roll-wrapped core has the disadvantage of a large amount of residual liquid. For this rea...

Claims

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Application Information

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IPC IPC(8): B43K8/02B43K8/04B43L19/00A45D34/00A45D34/04A45D40/20A45D40/26
CPCB43K8/022B43K8/024B43K8/026B43K8/04B43L19/0018A45D34/00A45D34/04A45D40/20A45D40/26
Inventor 不公告发明人
Owner MAIBO HIGH POLYMER MATERIAL NINGBO
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