Liquid storage member for coating tools
AssigneeMitsubishi Pencil Company, Limited
InventorsSaki TANAKA, Koji TAKADA, Shuji ICHIKAWA
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Abstract
Provided is a liquid storage member for coating tools that uses a paper material, having an ink follower filled at the rear end part of a liquid storage tube made of paper, and preventing leakage and backflow of the ink follower. The liquid storage member for coating tools according to the present invention comprises: a liquid storage tubes using a paper base material; and an ink follower having a yield stress of 16 Pa or more, and preferably, a phase angle of 35° or more when a shear strain amplitude at 25° C. and 1 Hz is 0 to 30%. The liquid storage member for coating tools follower is suitable as a paper refill for a writing tool.
Claims3
A liquid storage member for coating tools comprising:
- a liquid storage tube using a paper base material;
- and
- an ink follower having a yield stress of 16 Pa or more, filled in the liquid storage tube.
Dependencies are inferred from the claim text.