Title:
WATER FOUNTAIN CONTAMINATION PREVENTION DEVICE FOR OFFSET PRINTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/100396
Kind Code:
A1
Abstract:
A water fountain contamination prevention device (4) scrapes water and ink off a water supply roller (17 to 19) using a blade (22, 23) over a conveyance surface (21) on the water supply roller (17 to 19) from a plate cylinder (5) to a water fountain (16). The water and the ink are collected from the blade (22, 23) into a catchment pipe (24, 60) and discharged, and the water and the ink are suctioned from the blade (22, 23) by means of a suction pump (26). Contamination of dampening water in the water fountain (16) is prevented, and printing quality is stabilized.
Inventors:
IZUME MASAYUKI (井爪 雅幸)
Application Number:
PCT/JP2019/035648
Publication Date:
May 22, 2020
Filing Date:
September 11, 2019
Export Citation:
Assignee:
I MER CO LTD (JP)
International Classes:
B41F7/32
Foreign References:
| JP2015139975A | 2015-08-03 | |||
| JPH0970957A | 1997-03-18 | |||
| JP2007196535A | 2007-08-09 | |||
| JP2007000730A | 2007-01-11 | |||
| US4359799A | 1982-11-23 |
Attorney, Agent or Firm:
SHIOIRI Akira et al. (JP)
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