Refill for oil-based ink ballpoint pen and oil-based ink...

Details Refill for oil-based ink ballpoint pen and oil-based ink... Refill for oil-based ink ballpoint pen and oil-based ink...

2005-09-20

2005-09-20

Walczak, David J. (Department: 3751)

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

C401S209000

Reexamination Certificate

active

06945726

ABSTRACT:
A refill for an oil-based ink ballpoint pen which inhibits starving at the beginning of writing and protects a pen point and which inhibits an ink solvent from absorbing moisture from the outside and volatilizing with the passage of time and is excellent in making writing feeling soft and smooth. The refill for an oil-based ink ballpoint pen includes a volatilization-inhibiting seal member, for example, a sealing coat prepared by melting and solidifying an olefin base thermoplastic sticking agent is formed at the point part a tip of a refill for an oil-based ink ballpoint pen charged with a volatile oil-based ink having a specific physical property. The refill can be charged into a defined oil-based ink ballpoint pen.

REFERENCES:
patent: 5762435 (1998-06-01), Fukushima
patent: 5957608 (1999-09-01), Matsumoto et al.
patent: 53-85623 (1978-07-01), None
patent: 57-178798 (1982-11-01), None
patent: 07-309094 (1995-11-01), None
patent: 2000-043476 (2000-02-01), None
patent: 2002-370491 (2002-12-01), None

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