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1. 发明专利

JPH05309483A 失效
公开(公告)号：JPH05309483A
公开(公告)日：1993-11-22
申请号：JP14350092
申请日：1992-05-08
申请人： SHACHIHATA INDUSTRIAL , IIDA KOGYO KK
发明人： ICHIKAWA TAKASHI , KONDO HIROAKI
IPC分类号： B23K26/00 , B23Q35/128 , B44B3/02
摘要： PURPOSE:To perform engraving of a negative on material to be machined by using an engraved pattern of a positive and to improve machining accuracy. CONSTITUTION:The material 20 to be machined is positioned and fixed on the position separated by the distance M in the radial direction from the center of rotation on a first supporting table 42. A body 14 to be scanned on which the engraved pattern of the positive having dimensions enlarging by two times a pattern engraved on the material 20 to be machined is drawn is positioned and fixed on the position separated by the distance 2M in the radial direction from the center of rotation on a second supporting table 44. The first supporting table 42 and the second supporting table 44 are rotated in the opposite direction mutually. A feed table 32 is moved in the Y direction by a specified pitch every time the tables 42 and 44 make one revolution. At this time, a detection head 16 is moved in the opposite direction to the table 32. Consequently, the pattern having dimensions reducing the engraved pattern drawn on the body 14 to be scanned to 1/2 is engraved on the material 20 to be machined.

2. 发明专利

JPS612590A POROUS INK PAD AND MANUFACTURE THEREOF 失效
公开(公告)号：JPS612590A
公开(公告)日：1986-01-08
申请号：JP22106683
申请日：1983-11-24
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KOIZUMI JIROU , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： B41J27/12 , B41F31/24 , B41F31/26 , B41J27/10 , B41J27/20 , B41K1/54 , B41K3/54 , C22C1/08
摘要： PURPOSE:To markedly enhance clearness of printed images, durability of a pad itself or the like, by providing open micropores having a size of 30-500mum such that the total volume of the micropores is 40-80% of the total volume of the entire body of a metallic porous body. CONSTITUTION:A metallic mold having an appropriate shape is charged with sodium chloride particles selected to have a particle size of 30-500mum. The particles are heated to a predetermined temperature together with the mold to obtain a fired body in which gaps between the particles are connected with each other to form a series of minute gaps opened to the outside surface in a total volume of 40-80% of the volume of the entire body. A melt of aluminumor zinc is poured into the heated mold under pressure to infiltrate the molten metal into the minute gaps, followed by cooling. The lump form body consisting of the metal and the sodium chloride particles is demolded, and is finished by cutting into a predetermined flat plate form 1 or a roll form. The body thus obtained is entirely washed to sequentially dissolve away the contiguous sodium chloride particles, starting from the outer ones, whereby open pores are formed. The body thus obtained is impregnated with an ink to obtain an article.

3. 发明专利

JPS60159136A PRODUCTION OF POROUS METALLIC BODY 失效
公开(公告)号：JPS60159136A
公开(公告)日：1985-08-20
申请号：JP1205184
申请日：1984-01-27
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： C22C1/08
摘要： PURPOSE:To obtain a porous metallic body having reduced pore sizes by packing powder of an easily water-soluble salt having a specific grain size into a dies, sintering the powder, forcing a molten metal into the sintered body, washing away the easy water soluble salt and compressing the resultant porous metallic body. CONSTITUTION:Powder of an easily water-soluble salt such as sodium chloride or the like having 10-150mu grain size is packed into dies at the packing ranging about 50-70. The dies are heated to sinter the easily water-soluble salt powder and to bring the respective powder particles into face-to-face contact thus providing about 15-50% porosity. Such sintered body of the easily water-soluble salt is preheated and a metal having the m.p. lower than the easily water-soluble salt (Sn, Zn, etc.) is forced in a molten state under about >=30kg/cm into the sintered body. The easily water-soluble salt is washed away with water upon cooling and solidifying of the molten metal to obtain a porous metallic body. The porous metallic body is dried and is then uniformly compressed under 100- 500kg/cm pressure by a mechanical or hydrostatic means. The porous metallic body useful for production of a printing body, etc. is thus obtd.

4. 发明专利

JPH01202486A HARD POROUS PRINTING ELEMENT AND PRODUCTION THEREOF 失效
公开(公告)号：JPH01202486A
公开(公告)日：1989-08-15
申请号：JP2693088
申请日：1988-02-08
申请人： SHACHIHATA INDUSTRIAL
发明人： TOMINAGA HARUHISA , ICHIKAWA TAKASHI , YOSHIOKA TOSHIKI
IPC分类号： B41K1/50
摘要： PURPOSE:To obtain an inexpensive hard porous printing element free of distortion of a printing surface and capable of expressing a fine-fibered impression, by providing a porous sintered body of hard particulates to constitute a main body of the printing element, and grinding the printing surface of the main body to obtain a smooth printing surface. CONSTITUTION:A hard porous printing element comprises a main body constituted of a porous sintered body comprising numerous hard particulates, and a printing surface of the main body is ground to be a smooth printing surface. The hard porous printing element is produced by molding the main body from a material comprising an easily soluble substance and hard particulates having a melting point lower than that of the easily soluble substance as main constituents, sintering the molded main body, and eluting the easily soluble substance. An end face of a printing part of the main body thus sintered is ground to be the smooth printing surface on which ground end faces of the hard particulates are exposed. It is general that the hard particulates are particulates of a glass, a ceramic or a metal having an average particle diameter of 20-80mum, and the easily soluble substance is a water-soluble metallic salt, particularly, sodium chloride (which is available inexpensively) ground down to an average particle diameter of 10-80mum.

5. 发明专利

JPS60112497A POROUS PEN LEAD AND MANUFACTURE THEREOF 失效
公开(公告)号：JPS60112497A
公开(公告)日：1985-06-18
申请号：JP22106783
申请日：1983-11-24
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KOIZUMI JIROU , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： B43K8/02 , B43K1/00 , C22C1/08

6. 发明专利

JPS60184651A MANUFACTURE OF POROUS METALLIC BODY 失效
公开(公告)号：JPS60184651A
公开(公告)日：1985-09-20
申请号：JP3840084
申请日：1984-02-29
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： C22C1/08 , C23F1/00
摘要： PURPOSE:To manufacture a porous metallic body having high porosity by feeding molten metal forcibly into voids of sintered body of inorganic compound granules which are dissolved with a suitable solvent, coagulating it and thereafter dissolving the inorganic compound in the solvent to remove the compound. CONSTITUTION:The surface of powder such as NaCl, KCl, NaNO2, BaCl2, etc. having 10-150mu grain size is wetted with a saturated soln. of these inorganic salts whose solvent is e.g. water, alkali, acid, alcohol and acetone, etc. After the powder is pressed and molded to a prescribed form with a pressing method or the like, it is heated and dried to make a porous molded body of said inorganic compound soluble in the solvents. The porous molded body 3 is set in a mold 1 and the melt of metal such as cast iron, Pb, Zn, Sn, Al, Au, Ag, Cu or the alloy thereof is poured therein and the melt is pressurized from the upper part with a punch 4 to impregnate the melt in the many pores of said porous molded body 3 and to coagulate the melt. Then, the inorganic compound is dissolved with the above-mentioned solvent and removed to manufacture the porous metallic body having high porosity.

7. 发明专利

JPS60137682A PRODUCTION OF POROUS METALLIC STAMP 失效
公开(公告)号：JPS60137682A
公开(公告)日：1985-07-22
申请号：JP25184083
申请日：1983-12-26
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KOIZUMI JIROU , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： C22C1/08 , B41C1/00 , B41J1/00 , B41K1/50
摘要： PURPOSE:To obtain the titled stamp capable of providing a clear seal impression without need to supply an ink or the like for a long period of time and excellent in abrasion resistance or the like, by a method wherein a character or the like is engraved in a composite body of a metal and an easily water soluble salt obtained by a specified method, and the salt is removed by washing. CONSTITUTION:First, a powder of an easily water soluble salt (preferably, one having a high melting point, such as zinc chloride) having a particle diameter of 10-150mum is packed into a metallic mold, and the mold is heated to sinter the powder of the salt. Next, the sintered body thus obtained is preheated, a molten metal (preferably, one having a melting point lower than that of the salt, such as Zn) is infiltrated into the sintered body under pressure, and the metal is solidified by cooling to obtain a composite body of the metal and the salt. Finally, a character, a figure or the like is engraved in the surface of the composite body, and the salt is removed from the composite body by washing, preferably, with hot water to obtain the objective stamp.

8. 发明专利

JPS60112479A POROUS ROLLER AND MANUFACTURE THEREOF 失效
公开(公告)号：JPS60112479A
公开(公告)日：1985-06-18
申请号：JP22106583
申请日：1983-11-24
申请人： KOGYO GIJUTSUIN , SHACHIHATA INDUSTRIAL
发明人： OSADA SUMIO , KOIZUMI JIROU , KANEIWA KAZUHIDE , ICHIKAWA TAKASHI
IPC分类号： B41J27/12 , B41C1/00 , B41F31/26 , B41J1/32 , B41K1/22 , B41K1/50 , C22C1/08
摘要： PURPOSE:To enhance clearness of printing, durability of a roller itself or the like, by method wherein a main body of a roller is provided with open micropores the size of which is 30-500mum, and the total volume of the micropores is 40-80% of the total volume of the cylindrical body. CONSTITUTION:(A) of the drawing shows a printing roller consisting of a printing roller 1 and a grip 10, the roller 1 being rotatably fitted to the grip 10. A type face 11 is projected on the surface of the roller 1, and the entire body of the roller 1 is impregnated with an ink, so that when the surface of the roller 1 is pressed and rolled against a paper or the like, an image 11 which is the same as the type face 11 is printed on the surface of the paper or the like. (B) of the drawing shows an ink-applying roller 2 having a smooth surface. When the roller 2 is pressed and rolled against a paper or the like, a band form image 11' with the same width as that of the roller 2 is printed on the surface of the paper or the like.

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