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Pressure fluctuation buffering mechanism and applicator

一种缓冲机构、缓冲结构的技术，应用在家里用具、书写器具、包装物品类型等方向，能够解决墨水泄漏、墨水难、墨水容器压力变动等问题

Active Publication Date: 2016-08-10
V SPARK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the pressure in the ink tank changes due to changes in the environmental conditions (pressure, temperature, etc.) in which such an applicator is used, various problems will arise
For example, if the pressure inside the ink tank increases, ink will leak from the nib
On the other hand, if the pressure in the ink container decreases, it will be difficult for the ink to flow out from the nib

Method used

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  • Pressure fluctuation buffering mechanism and applicator
  • Pressure fluctuation buffering mechanism and applicator
  • Pressure fluctuation buffering mechanism and applicator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0056] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0057] (applicator)

[0058] Such as figure 1 As shown, the applicator 2 has a rod-shaped applicator body 100 extending long in the front-rear direction, and a cap 200 detachably provided at the front end of the applicator body 100 .

[0059] (cap)

[0060] The cap 200 has an outer cap 210 , an inner cap 220 disposed inside the outer cap 210 , and an inner cap spring 230 biasing the inner cap 220 inside the outer cap 210 . The outer cap 210 and the inner cap 220 are formed of synthetic resin such as PP (polypropylene).

[0061] Engagement protrusions 211 are provided on the inner peripheral surface of the outer cap 210 . The engaging protrusion 211 is engaged with the tip end 221 of the inner cap 220 . The inner cap 220 can move freely in the inner space of the outer cap 210 between an engaged position where the top end 211 engages with the engaging protrusion 211 ...

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PUM

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Abstract

A pressure fluctuation buffering mechanism (180) is provided with a buffering space (K), which is connected to the brush (120) via a paint flow space (paint tank (140) and paint feeder (160)) through which paint flows. The pressure fluctuation buffering mechanism (180) buffers pressure fluctuations of the paint tank (140) by the flow of paint and air between the paint flow space and the buffering space (K). The pressure fluctuation buffering mechanism (180) is provided with: a first buffering space-forming member (183) for forming a first buffering space (K1) in the buffering space (K); and a second buffering space-forming member (184) for forming a second buffer space (K2) in the buffering space (K). Paint between the first buffering space (K1) and the paint flow space flows more easily than paint between the second buffering space (K2) and the paint flow space.

Description

technical field [0001] The present invention relates to a pressure fluctuation buffer mechanism and an applicator. Background technique [0002] It is known to have an applicator (for example, a fountain pen) having an ink container containing ink. When pressure fluctuations occur in the ink container due to fluctuations in environmental conditions (such as pressure and air temperature) in which such an applicator is used, various problems arise. For example, if the pressure inside the ink tank increases, ink will leak from the nib. On the other hand, if the pressure in the ink container decreases, it becomes difficult for the ink to flow out from the nib. [0003] In order to solve the above-mentioned problems, there is known a writing instrument which has a pressure fluctuation buffer mechanism having a comb-shaped groove for retaining ink, and a The ink passage groove that is arranged orthogonally to the comb-shaped groove and the air passage groove that is arranged or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43K5/18A45D34/04B43K8/04
CPCB43K8/04B43K7/105B43K8/02B43K8/03B43K8/08B43K23/128
Inventor 川崎正幸
Owner V SPARK