CONNECTION STRUCTURE OF BALL-POINT PEN REFILL COMPONENT AND WRITING INSTRUMENT HAVING THE CONNECTION STRUCTURE

• Main Authors: KUDO NAOTO, NAKADA HIROSHI
• Format: Patent
• Language: English; Japanese
• Published: 22.08.2016
• Subjects: BUREAU ACCESSORIES; IMPLEMENTS FOR WRITING OR DRAWING; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

PROBLEM TO BE SOLVED: To prevent ink from penetrating and spreading into a connection part of a ball-point pen refill component.SOLUTION: The peripheral surface of one of the rear end side outer peripheral surface of a chip side tubular component 20 and the front end side inner peripheral surface of...