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Ink inhaler

An inhaler and ink technology, applied to ink pens, writing utensils, printing, etc. with ink storage tubes in the pen barrel, can solve problems such as blocking ink outflow and air inflow

Active Publication Date: 2021-08-20
PILOT PEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at this time, air may not flow properly into the ink storage part, which may hinder the smooth flow of ink from the ink storage part.
Further research on this problem found that the air going to the ink storage part is stagnated in front of the narrow diameter part, thereby preventing the air from flowing into the ink storage part

Method used

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Examples

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Embodiment Construction

[0032] Hereinafter, one embodiment of the present invention will be described with reference to the drawings. In addition, in the drawings of this specification, scales, aspect ratios, and the like are appropriately changed and shown exaggeratedly in order to facilitate illustration and understanding.

[0033] Definitions of shapes, geometrical conditions and their degrees used in this specification, such as terms such as "parallel", "perpendicular", "same", and values ​​of length or angle, etc., are not bound by a strict meaning, It is interpreted as a range including the extent to which the same function can be expected.

[0034] Figure 1 to Figure 10 It is a figure for demonstrating one Embodiment of this invention. in, figure 1 It is a figure which shows the cross section of the writing implement 10 to which the ink inhaler 20 is assembled, figure 2 It is an enlarged view showing the ink sucker 20, image 3 This is a sectional view showing the ink sucker 20 in a sta...

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PUM

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Abstract

To provide an ink inhaler that can promote the inflow of air into an ink container section and enables the smooth outflow of ink. This ink inhaler (20) is provided with: a main cylinder (30) that has a reduced diameter section (31) on an inner surface (30a) and that defines an ink container section (21) to the rear of the reduced diameter section (31); a piston member (50) that is arranged in a movable manner in a forward and rearward direction with respect to the main cylinder (30); a pipe (70) that extends inside the main cylinder (30) through the inside of the reduced diameter section (31) and is held in a movable manner in the forward and rearward direction with respect to the piston member (50); and a fixed piece member (80) that is fixed to the pipe (70) at the rear of the reduced diameter section (31), wherein the main cylinder (30) has, on the inner surface (30a) in front of the reduced diameter section (31b), a forward inclined surface (31b) that is inclined in the axial direction and in the radial direction, or has a forward rib section (34) that extends within a plane that includes the center axis (A) of the main cylinder (30).

Description

technical field [0001] The present invention relates to ink absorbers for writing implements such as fountain pens. Background technique [0002] Conventionally, in writing implements such as fountain pens, an ink suction device which sucks ink inside, stores the ink, and supplies the ink to the nib when writing is used. The ink sucker has an ink storage unit and an ink suction mechanism for sucking ink into the ink storage unit. [0003] The ink suction mechanism generally has a mechanism for generating negative pressure inside the ink suction device, and sucking ink by utilizing the air pressure difference between the inside and outside of the ink suction device. As the method of generating negative pressure in the ink suction device, for example, the following methods can be mentioned: a slide type, in which the operation member is linearly operated to the rear to move the piston member connected to the front of the operation member to the rear, thereby injecting ink. N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43K5/06
CPCB43K5/06
Inventor 芳野清隆
Owner PILOT PEN CO LTD