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US 2002/0118264 A1Published application
Ink reservoir for writing refill
OwnerMakoto Fukushimainventor
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Abstract
An ink reservoir for an ink refill has a stalk-like front portion, a tubular body portion, and a transitional portion between the stalk-like front portion and the tubular body portion. The transitional portion has a tapered inner surface tapered gently from a boundary between the tubular body portion and the transitional portion toward the stalk-like front portion.
Claims2
An ink reservoir for a writing refill, comprising a stalk-like front portion, a tubular body portion, and a transitional portion between the stalk-like front portion and the tubular body portion;
- wherein the transitional portion has a tapered inner surface gently tapered from a boundary between the tubular body portion and the transitional portion toward the stalk-like front portion without forming any steps in the boundary therebetween.
Dependencies are inferred from the claim text.