Push-button writing instrument with front seal means
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United States of America Patent
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-
Oct 21, 1986
Grant Date -
N/A
app pub date -
Aug 14, 1984
filing date -
Feb 1, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A push-button type writing instrument is constructed of a refill received within a barrel slidably in the axial direction, a writing part receiving mechanism provided at a forward end portion of the refill, and sealing means provided with the writing part receiving mechanism for sealing a writing part. Owing to the provision of the sealing means, the ink of the writing instrument is kept free from evaporation and flow while the writing part is received within the barrel.
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