JP2019181892A5 - - Google Patents

Download PDF

Info

Publication number
JP2019181892A5
JP2019181892A5 JP2018078974A JP2018078974A JP2019181892A5 JP 2019181892 A5 JP2019181892 A5 JP 2019181892A5 JP 2018078974 A JP2018078974 A JP 2018078974A JP 2018078974 A JP2018078974 A JP 2018078974A JP 2019181892 A5 JP2019181892 A5 JP 2019181892A5
Authority
JP
Japan
Prior art keywords
ink supply
core
supply core
tip
writing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2018078974A
Other languages
Japanese (ja)
Other versions
JP2019181892A (en
JP6688335B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2018078974A priority Critical patent/JP6688335B2/en
Priority claimed from JP2018078974A external-priority patent/JP6688335B2/en
Priority to PCT/JP2019/015212 priority patent/WO2019203032A1/en
Publication of JP2019181892A publication Critical patent/JP2019181892A/en
Publication of JP2019181892A5 publication Critical patent/JP2019181892A5/ja
Application granted granted Critical
Publication of JP6688335B2 publication Critical patent/JP6688335B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (3)

軸筒と、
前記軸筒の内部に収容され、毛細管力によってインクを誘導するインク供給芯と、
前記軸筒の先端に装着され、前記インク供給芯が貫通し、かつ、前記インク供給芯の先端が突出する芯周囲部材と、
を有し、
前記インク供給芯は、筆圧によって、前記芯周囲部材の先端において後方に移動するとともに、
前記インク供給芯の先端部分において、前記インク供給芯と前記芯周囲部材との間の間隙が、全周にわたって拡張している拡張部が設けられ
前記インク供給芯の先端部分において、不連続的に外径を減じる段部を全周にわたって設けることで、前記拡張部が設けられたことを特徴とする筆記具。
A barrel,
An ink supply core that is housed inside the shaft tube and guides ink by capillary force;
A core peripheral member attached to the tip of the shaft cylinder, through which the ink supply core penetrates, and from which the tip of the ink supply core protrudes;
Have
The ink supply core is moved backward at the tip of the core surrounding member by writing pressure, and
In the tip portion of the ink supply core, an extended portion is provided in which a gap between the ink supply core and the core peripheral member extends over the entire circumference .
The writing instrument according to claim 1, wherein the extended portion is provided by providing a step portion that continuously reduces the outer diameter at the tip portion of the ink supply core over the entire circumference .
軸筒と、
前記軸筒の内部に収容され、毛細管力によってインクを誘導するインク供給芯と、
前記軸筒の先端に装着され、前記インク供給芯が貫通し、かつ、前記インク供給芯の先端が突出する芯周囲部材と、
を有し、
前記インク供給芯は、筆圧によって、前記芯周囲部材の先端において後方に移動するとともに、
前記インク供給芯の先端部分において、前記インク供給芯と前記芯周囲部材との間の間隙が、全周にわたって拡張している拡張部が設けられ、
前記インク供給芯の先端部分において、全周にわたる環状溝を設けることで、前記拡張部が設けられたことを特徴とする筆記具。
A barrel,
An ink supply core that is housed inside the shaft tube and guides ink by capillary force;
A core peripheral member attached to the tip of the shaft cylinder, through which the ink supply core penetrates, and from which the tip of the ink supply core protrudes;
Have
The ink supply core is moved backward at the tip of the core surrounding member by writing pressure, and
In the tip portion of the ink supply core, an extended portion is provided in which a gap between the ink supply core and the core peripheral member extends over the entire circumference.
Wherein the distal end portion of the ink supply core, by providing the annular groove over the entire circumference, brush Kigu it characterized in that the expansion portion is provided.
同一の筆記荷重において、筆記面に対する筆記角度60°における描線幅を、筆記面に対する筆記角度90°における描線幅で除した値が、0.67以上かつ1.5未満であることを特徴とする請求項1又は請求項に記載の筆記具。 Under the same writing load, the value obtained by dividing the stroke width at a writing angle of 60 ° relative to the writing surface by the stroke width at a writing angle of 90 ° relative to the writing surface is 0.67 or more and less than 1.5. The writing instrument according to claim 1 or claim 2 .
JP2018078974A 2018-04-17 2018-04-17 Writing instrument Active JP6688335B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018078974A JP6688335B2 (en) 2018-04-17 2018-04-17 Writing instrument
PCT/JP2019/015212 WO2019203032A1 (en) 2018-04-17 2019-04-05 Writing tool and writing tool set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018078974A JP6688335B2 (en) 2018-04-17 2018-04-17 Writing instrument

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020067761A Division JP7142055B2 (en) 2020-04-03 2020-04-03 writing instrument

Publications (3)

Publication Number Publication Date
JP2019181892A JP2019181892A (en) 2019-10-24
JP2019181892A5 true JP2019181892A5 (en) 2019-12-12
JP6688335B2 JP6688335B2 (en) 2020-04-28

Family

ID=68238906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018078974A Active JP6688335B2 (en) 2018-04-17 2018-04-17 Writing instrument

Country Status (2)

Country Link
JP (1) JP6688335B2 (en)
WO (1) WO2019203032A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7488654B2 (en) * 2020-01-07 2024-05-22 三菱鉛筆株式会社 Writing implements
JP7142055B2 (en) * 2020-04-03 2022-09-26 三菱鉛筆株式会社 writing instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3836942B2 (en) * 1997-05-12 2006-10-25 株式会社サクラクレパス pen
US6503015B1 (en) * 2001-08-30 2003-01-07 Jakks Pacific, Inc. Marker pen
US10336129B2 (en) * 2014-07-03 2019-07-02 Mitsubishi Pencil Company, Limited Writing implement

Similar Documents

Publication Publication Date Title
ES2609233T3 (en) Unidirectional catheter control handle with tension control
ATE523708T1 (en) PISTON FOR A DISC BRAKE CALIPER
JP2019181892A5 (en)
JP2011131064A5 (en)
JP2018177325A5 (en)
JP2013526439A5 (en)
RU2017101451A (en) TUBE EXPANDER
MX2017016125A (en) Fluid pressure cylinder.
TW201321629A (en) Seal for rolling screw and rolling screw
CN107575574A (en) Plunger
FR2931424B1 (en) MASTER CYLINDER WITH REDUCED STROKE
US2492058A (en) Fountain pen
MX2020009834A (en) Fluid pressure cylinder.
JP2017003021A5 (en)
TWM431838U (en) Glass repairing device
JP2013188922A5 (en)
JP6016314B2 (en) Double writing instrument
JP5783697B2 (en) Double writing instrument
JP2018119898A5 (en)
WO2017151829A3 (en) Inverted pull-up riser tensioner
RU2020105721A (en) INVAGINATION DEVICE
JP6334884B2 (en) Ballpoint pen
JP6608271B2 (en) Writing instrument
JP6391936B2 (en) Writing instrument
JP2020055230A (en) pen