Title:
【発明の名称】グラビア・シリンダにグラビア凹点を形成する方法及び装置
Document Type and Number:
Japanese Patent JPS59501199
Kind Code:
A
Abstract:
PCT No. PCT/US82/00892 Sec. 371 Date Aug. 23, 1982 Sec. 102(e) Date Aug. 23, 1982 PCT Filed Jul. 2, 1982 PCT Pub. No. WO84/00121 PCT Pub. Date Jan. 19, 1984.A method and associated apparatus for forming gravure cells in a gravure cylinder for accurately reproducing an image, including the steps of coating the peripheral surface of a gravure cylinder with an insulating coating, revealing a first group of predetermined portions of the coated gravure cylinder by selectively removing the insulating coating overlying portions of the peripheral surface of the gravure cylinder, ablating the first group of exposed portions of the gravure cylinder to a predetermined depth, and repeating the revealing and ablating steps until a predetermined number of different groups of predetermined portions of the gravure cylinder have been revealed with each previously revealed group having further portions of the gravure cylinder ablated to a greater predetermined depth during each ablating step to provide a gravure cylinder having the desired pattern of gravure cells of the desired depths for accurately reproducing an image.
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Inventors:
Jiyo The Havey F
Toe-A Yeah
Toe-A Yeah
Application Number:
JP50239782A
Publication Date:
July 12, 1984
Filing Date:
July 02, 1982
Export Citation:
Assignee:
Gravure, Aso Ui Sian, Av, USA, Parakeet-Paraited
International Classes:
B41C1/04; B23K26/08; B41C1/05; C23F1/00; H04N1/23; H04N1/40; (IPC1-7): B23K26/08; B41C1/04; C23F1/00
Attorney, Agent or Firm:
Nobuhiko Nakajima