Tablet printing apparatus and tablet printing method

A printing device and printing method technology, applied in the directions of printing device, printing, copying/marking method, etc., can solve the problems of ink shedding, difficult to fix ink, small surface area, etc., and achieve the effect of inhibiting shedding and improving fixability

Active Publication Date: 2020-03-31
DAINIPPON SCREEN MTG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in the case of tablets such as film-coated tablets (FC tablets), sugar-coated tablets, etc., whose surface has high water resistance and is difficult for liquid to permeate, or when the surface tension of the ink coated on the tablet is large, Or when the ink is difficult to dry, after the ink is applied to the tablet

Method used

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  • Tablet printing apparatus and tablet printing method
  • Tablet printing apparatus and tablet printing method
  • Tablet printing apparatus and tablet printing method

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Embodiment Construction

[0059] Below, while referring to the attached Figure 1 Embodiments of the present invention will be described. In the following description, the direction in which a plurality of tablets is conveyed is referred to as a "transportation direction", and the direction perpendicular and horizontal to the conveyance direction is referred to as a "width direction".

[0060]

[0061] refer to figure 1 The configuration of the tablet printing apparatus 1 according to one embodiment of the present invention will be described. figure 1 It is a figure showing the structure of the tablet printing apparatus 1 which concerns on one Embodiment of this invention. The tablet printing apparatus 1 of the present embodiment is an apparatus that prints images such as product names, product codes, company names, and brand marks on the surface of each tablet 9 by an inkjet method while conveying a plurality of tablets 9 .

[0062] As the tablet 9 of the present embodiment, for example, a highly...

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PUM

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Abstract

The present invention provides a tablet printing apparatus and a tablet printing method, which can suppress subsequent drop of ink from a tablet even when ink droplets are ejected from a tablet with high water resistance on a surface such as a film-coated tablet, a sugar-coated tablet, etc., and with difficult liquid permeation. The tablet printing apparatus (1) is an apparatus that prints an image on the surface of a tablet (9) by an inkjet method, and has: a conveying mechanism that conveys the tablet (9) along a prescribed conveying path; nozzles (431, 531) ejecting ink droplets on the surface of the tablet (9) transported by the conveying mechanism; and a preheating section (25) disposed on the conveying path, and heating the tablet (9) on the upstream side of the nozzles (431, 531). Furthermore, after the tablet (9) is heated by the preheating section (25), ink droplets are ejected onto the surface of the heated tablet (9). Thus, fixability of the ink on the surface of the tablet(9) is improved.

Description

technical field [0001] The present invention relates to a tablet printing device and a tablet printing method for printing an image on a tablet by an inkjet method. Background technique [0002] Characters and codes for identifying products are printed on tablets that are medicines. Sometimes such characters or codes are recorded by engraving, but the engraving has a problem of low legibility. In particular, in recent years, the popularity of generic drugs has led to a diversification of the types of tablets. Therefore, it is required to print clearly on the surface of the tablet so that the tablet can be reliably identified. In addition, since the tablet cannot withstand pressure, it is preferable to reduce the pressure applied to the tablet during printing. In view of these circumstances, in recent years, a technique of printing an image on a tablet by an inkjet method has been attracting attention. [0003] For example, Patent Document 1 and Patent Document 2 describe...

Claims

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Application Information

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IPC IPC(8): B41J3/407B41J2/01B41J3/01B41J11/00B41J2/21B41J2/14B41J29/393B41M5/00A61J3/00
CPCA61J3/007B41J2/01B41J2/14201B41J2/21B41J3/01B41J3/4073B41J11/002B41J29/393B41M5/0011B41M5/0088B41J11/007B41M5/0047B41J11/0022
Inventor 中野信行山本昌宏山下和人
Owner DAINIPPON SCREEN MTG CO LTD
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