Title:
BALLPOINT PEN
Document Type and Number:
Japanese Patent JP3200722
Kind Code:
B2
Abstract:
PURPOSE: To obtain a ballpoint pen in which no fluctuation occurs between a ball pen refill and a barrel at the time of writing and excellent writing feeling is obtained by forming a tip holder of synthetic resin, opening a tip hole in a straight state, and bringing a front part of the holder into pressure contact with an inner wall of the hole.
CONSTITUTION: A ballpoint pen refill 4 in which a ballpoint pen tip 6 is mounted at an ink containing cylinder 5 through a tip holder 7 is contained in a barrel 1, and the tip 6 protrudes from a tip hole 31 of the barrel 1. In this pen, the holder 7 is formed of synthetic resin, and the hole 31 is opened straightly, and a front part of the holder 7 is brought into pressure contact with an inner wall of the hole 31. As a result, the refill 4 can be effectively held in the barrel 1 without fluctuation.
Inventors:
Nobuo Sekine
Application Number:
JP17977593A
Publication Date:
August 20, 2001
Filing Date:
June 25, 1993
Export Citation:
Assignee:
Pilot Ink Co., Ltd.
International Classes:
B43K7/00; (IPC1-7): B43K7/00
Domestic Patent References:
| JP5294096A | ||||
| JP63179170U | ||||
| JP199671U | ||||
| JP671170U |