NL7708600A - Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage - Google Patents

Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage

Info

Publication number
NL7708600A
NL7708600A NL7708600A NL7708600A NL7708600A NL 7708600 A NL7708600 A NL 7708600A NL 7708600 A NL7708600 A NL 7708600A NL 7708600 A NL7708600 A NL 7708600A NL 7708600 A NL7708600 A NL 7708600A
Authority
NL
Netherlands
Prior art keywords
layer
flat
thin walled
impact damage
prodn
Prior art date
Application number
NL7708600A
Other languages
Dutch (nl)
Original Assignee
Hubert Dahlhaus En Jan Hendrik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubert Dahlhaus En Jan Hendrik filed Critical Hubert Dahlhaus En Jan Hendrik
Priority to NL7708600A priority Critical patent/NL7708600A/en
Publication of NL7708600A publication Critical patent/NL7708600A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/18—Curved printing formes or printing cylinders
    • B41C1/182—Sleeves; Endless belts

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The rollers are fabricated by coating a passive master roller with a 50-500 mu layer of Ni, removing the Ni sleeve from the master roller and then electrolytically depositing a Cu coating. The Cu coating is then machined to the required thickness (>=5 mu), and a layer of Cr is deposited. After removal of the Ni jacket from the master roller, the jacket is pref. filled with an air or water bag to lend it some structural stability for the subsequent operation. A flat print roller pref. has a Ni layer of 200-300 mu a Cu layer of 5-10 mu and a Cr layer of 0.5-3 mu. A deep print roller pref. has a Ni layer of 100-200 mu, a Cu layer of 50-500 mu and a Cr layer of 3-25 mu. The print pattern on a deep print roller can be replaced by machining the Cu to below the etching depth, depositing a new Cu layer, etching this as required and then Cr plating. The flexible, thin walled rollers are cheap to store and transport, whilst the risk of impact damage is minimised.
NL7708600A 1977-08-03 1977-08-03 Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage NL7708600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7708600A NL7708600A (en) 1977-08-03 1977-08-03 Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7708600A NL7708600A (en) 1977-08-03 1977-08-03 Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage

Publications (1)

Publication Number Publication Date
NL7708600A true NL7708600A (en) 1979-02-06

Family

ID=19828970

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708600A NL7708600A (en) 1977-08-03 1977-08-03 Flexible thin walled rollers prodn. for flat or deep printing - reducing storage and transportation costs and minimising risk of impact damage

Country Status (1)

Country Link
NL (1) NL7708600A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009360A1 (en) * 1978-09-13 1980-04-02 Drg (Uk) Limited Manufacture of printing sleeves
EP0092285A1 (en) * 1982-04-16 1983-10-26 Twentse Graveerindustrie B.V. A flexible gravure sleeve
WO1994027831A1 (en) 1993-05-31 1994-12-08 Rotoincisa S.R.L. Removable matrix, for the cylinders of rotogravure printing machines, for their further use
WO1997033759A1 (en) * 1996-03-14 1997-09-18 Rotoincisa S.R.L. Process for preparing sleeves for photoengraving, removable from gravure printing cylinders, and sleeves obtained by this process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009360A1 (en) * 1978-09-13 1980-04-02 Drg (Uk) Limited Manufacture of printing sleeves
EP0092285A1 (en) * 1982-04-16 1983-10-26 Twentse Graveerindustrie B.V. A flexible gravure sleeve
WO1994027831A1 (en) 1993-05-31 1994-12-08 Rotoincisa S.R.L. Removable matrix, for the cylinders of rotogravure printing machines, for their further use
WO1997033759A1 (en) * 1996-03-14 1997-09-18 Rotoincisa S.R.L. Process for preparing sleeves for photoengraving, removable from gravure printing cylinders, and sleeves obtained by this process

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Legal Events

Date Code Title Description
BV The patent application has lapsed