(19)
(11) EP 3 424 710 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.01.2019 Bulletin 2019/03

(43) Date of publication A2:
09.01.2019 Bulletin 2019/02

(21) Application number: 18180682.9

(22) Date of filing: 29.06.2018
(51) International Patent Classification (IPC): 
B41F 31/30(2006.01)
B41F 31/04(2006.01)
 B41F 31/02(2006.01)
B41F 9/10(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 06.07.2017 JP 2017132692

(71) Applicant: Miyakoshi Printing Machinery Co., Ltd.
Narashino-shi Chiba 275-0016 (JP)

(72) Inventors:
  • FUJIWARA, Reishi
    Daisen-city, Akita 019-1605 (JP)
  • SAGA, Toshihiro
    Daisen-city, Akita 019-1605 (JP)

(74) Representative: Office Freylinger 
P.O. Box 48
8001 Strassen
8001 Strassen (LU)

   


(54) INK SUPPLY DEVICE OF A PRINTING MACHINE


(57) In an ink supply device of a printing machine, an abutting pressure of doctor blades is adjusted and maintained to be an appropriate value. A position adjusting and fixing mechanism 7 comprises a first part for position adjusting and fixing 7a-1, a second part for position adjusting and fixing 7a-2 which are attached to a frame, and parts to be position-adjusted and fixed provided on a housing 20. The first part for position adjusting and fixing 7a-1 and the second part for position adjusting and fixing 7a-2 are movable between fixing positions in abutment with the parts to be position-adjusted and fixed and releasing positions of fixation separated from the parts to be position-adjusted and fixed respectively. The ink doctor chamber 2 is fixed so as not to move by fixing the first part for position adjusting and fixing 7a-1 and the second part for position adjusting and fixing 7a-2 at the fixing position, together with this, the abutting pressure of doctor blades 21 can be adjusted and maintained to be an appropriate value.







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Search report