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Patent Searching and Data


Title:
DIRECT LIQUID-TYPE BRUSH PEN
Document Type and Number:
WIPO Patent Application WO/2019/150673
Kind Code:
A1
Abstract:
[Problem] The present invention addresses the problem of providing a direct liquid-type brush pen that is provided with a direct liquid-type valve mechanism and that is a cartridge-type brush pen in which an ink tube can be replaced, the direct liquid-type brush pen producing a constantly pleasant writing feel by enabling the brush tip to be constantly impregnated with a reasonable amount of ink while suppressing ink leakage. [Solution] The present invention comprises: a shaft cylinder 1 that holds a brush tip unit 2 at the tip end section thereof; an ink cartridge 3 that is slidably and removably fitted from the rear end of the shaft cylinder 1; and a stopper 5 that is fitted to the rear end section of the shaft cylinder 1 and that slidably supports the rear end section of the ink cartridge 3 that protrudes from the rear end of the shaft cylinder 1. A valve mechanism, in which a valve core 23 is accommodated in a valve seat 21, is embedded in the front end section of the ink cartridge 3, the tip of the valve core 23 inside the valve seat 21 is removably coupled to the rear end section of a relay core 11, and a seal band 27 is formed in a thin diameter part 22 of the valve seat 21.

Inventors:
SATO Tadayuki (LTD. 986-1 Yashio-shi, 2-chom, Saitama 11, 〒3400811, JP)
Application Number:
JP2018/039474
Publication Date:
August 08, 2019
Filing Date:
October 24, 2018
Export Citation:
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Assignee:
TAISEI CO., LTD. (986-1, Yashio-shi 2-chome Saitama, 11, 〒3400811, JP)
International Classes:
B43K8/04
Foreign References:
JP2011206926A2011-10-20
JPH04134469U1992-12-15
JPS64171109U
JP2012016858A2012-01-26
JPS6343275U1988-03-23
JPS60174746U1985-11-19
JPS60112670U1985-07-30
JPS62154506U1987-10-01
Attorney, Agent or Firm:
SAITOH Haruo (8th Floor Kyobashi Yayoi Building 11-6, Kyobashi 2-chome Chuo-k, Tokyo 31, 〒1040031, JP)
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