Writing implement
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United States of America Patent
Stats
-
Feb 13, 2018
Issued Date -
N/A
app pub date -
Apr 9, 2015
filing date -
Apr 10, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A writing implement in which a joint connecting an ink supply section and a ballpoint pen tip together is configured from three members. The three members configuring the joint are a substantially cylindrical center member, a substantially cylindrical surrounding member formed at the outer periphery of the center member, and an interposing member that is molded by a soft member molded so as to cover the outer periphery of the center member and the surrounding member. An annular gap section is provided between the center member and the surrounding member. The leading end of the ink supply section is fitted into the gap section. The joint is formed by two color molding. The center member and the surrounding member are molded by primary molding, and the interposing member is integrally molded onto the center member and the surrounding member by secondary molding.
First Claim
Family
International Classification(s)
Cited Art Landscape
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