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Title:
回収印刷版の溶解方法及びリサイクル方法
Document Type and Number:
Japanese Patent JP5255011
Kind Code:
B2
Abstract:
Since oxidation loss can be reduced even if collected printing plates are directly melted together with fresh ingots, a high melting yield approximately equal to a melting yield in the case of melting recycled ingots can be obtained. The present invention is a melting method for melting collected printing plates 35 and fresh ingots 37 by a burner 19 in a melting furnace 13, the collected printing plates 35 being collected used lithographic printing plates 36 and/or scraps 33 including offcuts of lithographic printing plates, the method including a first injection step of firstly injecting the collected printing plates 35 in the melting furnace 13 such that a pile of the collected printing plates 35 is formed on a hearth 13B of the melting furnace 13, and a second injection step of injecting the fresh ingots 37 on the pile of the collected printing plates 35 so as not to substantially expose the pile, wherein the fresh ingots are melted in flames of the burner.

Inventors:
Masakazu Nagata
Toru Yamazaki
Application Number:
JP2010053254A
Publication Date:
August 07, 2013
Filing Date:
March 10, 2010
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
C22B9/16; B41N1/08; B41N3/00; C22B21/00; F27B3/10; F27B3/20; F27D7/06
Domestic Patent References:
JP2007224391A
JP200763583A
JP2002225449A
JP7205534A
Foreign References:
WO2009084568A1
Attorney, Agent or Firm:
Kenzo Matsuura



 
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