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Ink container

A technology of ink and container, which is applied in the direction of instruments, inking devices, liquid level indicators, etc., can solve the problem of increasing waste ink and achieve the effect of secure ink scraping

Inactive Publication Date: 2006-02-22
RISO KAGAKU CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Additionally, undesired ink scraping increases the amount of waste ink

Method used

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Examples

Experimental program
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Embodiment Construction

[0039] in the attached figure 1Among them, an ink container 10 according to an embodiment of the present invention includes a cylinder 12, which is substantially cylindrical and has an ink discharge port 11 at its front end, and also includes a The piston 13 is slidable along the inner side surface 12 a of the cylinder 12 and toward the ink discharge port 11 . Ink is accommodated in the space between the front end face of the cylinder 12 and the piston 13 . The piston 13 is provided with an annular ink scraping portion 14 extending radially outward from the edges at the front and rear ends of the piston 13 , and an annular piston support portion 15 . The ink scraping portion 14 is in close contact with the inner surface of the side wall of the cylinder 12 to form a tightly sealed space between the cylinder 12 and the piston 13 .

[0040] Such as Figure 2A As shown, the surface 14a of the ink scraping portion 14 is in contact with the ink (ie, toward the ink discharge port ...

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PUM

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Abstract

An ink container has a cylinder provided with an ink discharge port at its leading end and a piston fitted in the cylinder to be slidable along the inner surface of the side wall of the cylinder. Ink is filled into the space defined by the cylinder and the piston. Resistance generated by friction between the cylinder and the piston when the piston is slid toward the ink discharge port with the ink container held empty is not lower than 1.0N.

Description

technical field [0001] The present invention relates to a printing ink container, comprising a cylinder, the cylinder is provided with an ink discharge port at its front end, and a piston accommodated in the cylinder, the piston can slide along the inner surface of the cylinder, and the ink is drawn Fills into the space defined by the cylinder and piston. Background technique [0002] There is known a printing ink container comprising a cylinder provided with an ink discharge port at its front end, and a piston housed in the cylinder, the piston being slidable along the inner surface of the cylinder. Ink is filled into the space defined by the cylinder and piston. An elastic ink wiper is mounted along the edge of the piston. As the ink in the container is consumed, the piston slides towards the ink discharge port under atmospheric pressure. The ink scraper scrapes ink off the inner surface of the cylinder as the piston slides toward the ink discharge port. [0003] In pr...

Claims

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Application Information

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IPC IPC(8): B41J2/175G01F23/292B41L13/18B41F31/02B41F33/02B65D83/00
Inventor 若山贵宏桧原彻
Owner RISO KAGAKU CORP