US3924313A - Metal applicator roll - Google Patents
Metal applicator roll Download PDFInfo
- Publication number
- US3924313A US3924313A US473019A US47301974A US3924313A US 3924313 A US3924313 A US 3924313A US 473019 A US473019 A US 473019A US 47301974 A US47301974 A US 47301974A US 3924313 A US3924313 A US 3924313A
- Authority
- US
- United States
- Prior art keywords
- roll
- acid
- applicator roll
- metal applicator
- resist
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 title claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002253 acid Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 238000007646 gravure printing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 102220562239 Disintegrin and metalloproteinase domain-containing protein 11_F16P_mutation Human genes 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N7/00—Shells for rollers of printing machines
- B41N7/06—Shells for rollers of printing machines for inking rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/02—Top layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/10—Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments
Definitions
- an ink fountain applicator roll is generally used. This roll has a cellular type surface. The roll rotates in an ink fountain so the cells in the surface will pick up ink. The surface of the roll is doctored to remove excess ink. Depending upon the type of printing, the ink is transferred to a printing roll or blanket or the like. The cells in the surface of the applicator roll are provided to give an accurate and metered amount of ink or other material which is to be applied.
- my new roll has economic advantages in that it is easily re-etched should it be required.
- my new roll is a hardened metal applicator roll having a precisely spray etched surface for carrying material such as ink to be applied to another surface.
- the face surface of my roll may be chrome plated if desired and the surface of my new roll has a Rockwell hardness in the C range of 50 to 60.
- My new applicator roll is made by machining a steel roll which will permit flame hardening.
- the roll is machined to its final tolerances except for the face of the roll.
- the face is lathe turned to a diameter which will allow grinding of the face surface after flame hardening. Typical allowances of .012 inch in diameter are generally acceptable.
- the face of the roll is flame hardened to a Rockwell C hardness in the 50 to 60 range.
- the face of the hardened roll is ground to the final desired tolerance and the hardened, ground roll sprayed with an acid-resist.
- the viscosity of the acidresist and the pressure used in the spraying, etc. may be controlled to obtain the desired concentration of spray and size of spray mist.
- the spraying allows small globules of the resist to adhere to the face of the roll to form a controlled and irregular surface on the face.
- the acid-resist is set either by drying or by the passage of time and the roll with the set acid-resist on its surface rotated in acid to etch the surface into a uniform but random pattern of cells.
- the acid resist is removed by standard techniques.
- the etched roll may be hard chrome plated if desired.
- the steel being substantially as hard as the hardness of the chrome the deflection problems and chipping of the roll surface are greatly reduced if not eliminated. Furthermore, because the surface of the roll and the chrome plate have similar hardness the wearing of the surface is decreased and the life of the roll greatly improved. If it is desired to re-etch the roll this may be readily accomplished relatively inexpensively.
- FIG. 1 is a perspective view of a hardened metal applicator roll in accordance with the present invention.
- FIG. 2 is a block flow sheet showing the steps in the method of manufacturing hardened metal applicator rolls in accordance with the present invention.
- FIG. 1 there is shown a new applicator roll 10 in accordance with the present invention.
- the roll is a hardened steel roll and has a random pattern of cells over its entire face surface 11.
- the roll depicted in FIG. 1 is produced in accordance with the process as outlined in the Box Flow Sheet Diagram of FIG. 2.
- a steel roll, with a chemical composition which will permit hardening such as AISI 1055 or AISI 4150 or the like, is machined to the desired final tolerances except for the face of the roll.
- the face is lathe turned to a diameter which will permit grinding the face of the roll.
- the roll is flame hardened by standard flame hardening techniques to produce a surface which has a hardness determined by the Rockwell hardness tester of 50 to 60 on the C scale rating.
- the flame hardened roll has it surface ground to remove the excess diameter as previously mentioned and is ground to the final desired diameter and tolerances.
- the ground and hardened roll has an acid-resist material sprayed on its surface.
- the acid-resist material may be an asphalt or a latex and is sprayed in a carrier so that the viscosity of the material may be controlled.
- the pressure and the concentration of the spray are also controlled so as to form small globules of acidresist and a very nonuniform coating of acid resist over the surface of the roll.
- Box 3 The spraying of the acid resist material produces a random and irregular coating with some minute areas of the roll completely free of acid-resist, other minute areas of the roll having a relatively thick coating of acid-resist and other minute areas of the roll having a varying thickness of coating of acid-resist.
- the roll with the acid-resist material sprayed on its surface is allowed to dry and the acid-resist set either by the use of elevated temperatures or merely by the passage of time. (Box 4) Multiple sprays and etches may be required to give the final specified carrying capacity.
- the roll with the set acid-resist material on its surface is rotated in an acid bath.
- the acid used to etch the roll is a mixture of acetic and nitric acids.
- the roll is rotated for a desired period of time and to a desired depth to eat away portions of the roll which do not contain acid-resist material or have minimal acidresist material to varying depths and produce a random cellular pattern in the surface of the roll.
- the etched roll is wiped with a suitable solvent for the acid-resist material to remove excess acid-resist material and produce the irregular patterned surface.
- the etched roll may be hard chrome plated to give it a neat polished smooth appearance.
- the roll may be used in any of the offset or gravure printing operations or other coating operations where it is desired to apply ink or a coating material to a sheet or another material.
- My new roll is rotated in a bath containing the coating material or ink, excess material doctored off by a standard doctor blade and a controlled and metered amount of material applied either to another roll for printing purposes or directly to a material as desired.
- a hardened metal applicator roll having a precise randomly etched surface for carrying material to be applied to other material, said surface having a random pattern of cells of varying size and depth and irregular shape.
Abstract
A hardened metal applicator roll having a precisely random etched surface and method for producing the same.
Description
Elnfited States Patent 1191 1111 3,924,313 Broderick Dec. 9, 1975 METAL APPLICATOR ROLL 2,638,050 5/1953 King 29/121 R x 3,167,850 2/1965 Broderick 29/121 R [75] Invemor- WIham Brodel'lck New 3,177,558 4/1965 Gronholz et a1. 29/121 R Provldence, R28,027 6/1974 Bills et a1. 29/121 R [73] Assignee: Standex International Corporation,
Andover Mass Primary Examiner-A1fred R. Guest [22] Filed: May 24, 1974 Attorney, Agent, or Firm-Weingarten, Maxham &
Schurgin [21] Appl. No.: 473,019
[52] US. Cl 29/121 R [57] ABSTRACT [51] Int. C1. F16G 11/00 58 Field of Search 29/121 R, 132 A hardened metal 1 1 r011 having a preclsely random etched surface and method for producing the References Cited same.
UNITED STATES PATENTS 1,932,168 10/1933 Adams 29/121 R 3 Clalms 2 Drawmg Figures METAL APPLICATOR ROLL BACKGROUND OF THE INVENTION In offset and gravure printing an ink fountain applicator roll is generally used. This roll has a cellular type surface. The roll rotates in an ink fountain so the cells in the surface will pick up ink. The surface of the roll is doctored to remove excess ink. Depending upon the type of printing, the ink is transferred to a printing roll or blanket or the like. The cells in the surface of the applicator roll are provided to give an accurate and metered amount of ink or other material which is to be applied.
Various types of rolls have been used for the purpose of applying the ink. Machine engraved mild steel rolls have been used and also photoengraved mild steel rolls have been used. Generally when photoengraved rolls are used the mild steel roll is copper plated to accept the acid etching of the cells into the surface by the photoengraving process. These types of applicator rolls are usually chrome plated with a hard industrial chrome after engraving to improve their wearing properties and prevent rust. All of the above described rolls suffer from a common drawback in that they are very susceptible to damage because of their softness. The reengraving and chrome plating of these damaged rolls is costly. Very often, in use, excessive doctor blade pressure may be necessary and can cause the soft steel or copper base under the chrome plating to deflect sufficiently to cause the chrome plating to chip or crack. These chips of chrome may be picked up by the doctor blade and pressed against the surface of the applicator roll quickly generating damages and ruining the engraving. Also carelessness in the handling of these soft chrome plated rolls may crack the chrome and indent the soft metal making the roll virtually useless.
Recently ceramic coated rolls have been tried for ink fountain application. These rolls are hard but quite brittle and if they do become damaged are difflcult to repair. Hence the economics of these rolls is unknown at the present time.
SUMMARY OF THE PRESENT INVENTION I have discovered a new applicator roll which may be used in offset or gravure printing as the ink fountain applicator roll. My new roll resists damages caused by excessive doctor blade pressure and my new roll resists chipping even when chrome plated. My new roll resists damages that may occur during handling. Furthermore,
,my new roll has economic advantages in that it is easily re-etched should it be required.
In accordance with the present invention my new roll is a hardened metal applicator roll having a precisely spray etched surface for carrying material such as ink to be applied to another surface. The face surface of my roll may be chrome plated if desired and the surface of my new roll has a Rockwell hardness in the C range of 50 to 60.
My new applicator roll is made by machining a steel roll which will permit flame hardening. The roll is machined to its final tolerances except for the face of the roll. The face is lathe turned to a diameter which will allow grinding of the face surface after flame hardening. Typical allowances of .012 inch in diameter are generally acceptable. The face of the roll is flame hardened to a Rockwell C hardness in the 50 to 60 range.
The face of the hardened roll is ground to the final desired tolerance and the hardened, ground roll sprayed with an acid-resist. The viscosity of the acidresist and the pressure used in the spraying, etc. may be controlled to obtain the desired concentration of spray and size of spray mist. The spraying allows small globules of the resist to adhere to the face of the roll to form a controlled and irregular surface on the face. The acid-resist is set either by drying or by the passage of time and the roll with the set acid-resist on its surface rotated in acid to etch the surface into a uniform but random pattern of cells. The acid resist is removed by standard techniques. The etched roll may be hard chrome plated if desired.
The steel being substantially as hard as the hardness of the chrome the deflection problems and chipping of the roll surface are greatly reduced if not eliminated. Furthermore, because the surface of the roll and the chrome plate have similar hardness the wearing of the surface is decreased and the life of the roll greatly improved. If it is desired to re-etch the roll this may be readily accomplished relatively inexpensively.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a hardened metal applicator roll in accordance with the present invention, and
FIG. 2 is a block flow sheet showing the steps in the method of manufacturing hardened metal applicator rolls in accordance with the present invention.
DETAILED DESCRIPTION OF THE DRAWINGS Referring to the drawings in FIG. 1 there is shown a new applicator roll 10 in accordance with the present invention. The roll is a hardened steel roll and has a random pattern of cells over its entire face surface 11. The roll depicted in FIG. 1 is produced in accordance with the process as outlined in the Box Flow Sheet Diagram of FIG. 2. A steel roll, with a chemical composition which will permit hardening such as AISI 1055 or AISI 4150 or the like, is machined to the desired final tolerances except for the face of the roll. The face is lathe turned to a diameter which will permit grinding the face of the roll. Typically an allowance of about 0.015 inch in diameter is generally acceptable as this much will be ground off in machining the face of the roll. The roll is flame hardened by standard flame hardening techniques to produce a surface which has a hardness determined by the Rockwell hardness tester of 50 to 60 on the C scale rating. (Box 1) The flame hardened roll has it surface ground to remove the excess diameter as previously mentioned and is ground to the final desired diameter and tolerances. (Box 2) The ground and hardened roll has an acid-resist material sprayed on its surface. The acid-resist material may be an asphalt or a latex and is sprayed in a carrier so that the viscosity of the material may be controlled. The pressure and the concentration of the spray are also controlled so as to form small globules of acidresist and a very nonuniform coating of acid resist over the surface of the roll. (Box 3) The spraying of the acid resist material produces a random and irregular coating with some minute areas of the roll completely free of acid-resist, other minute areas of the roll having a relatively thick coating of acid-resist and other minute areas of the roll having a varying thickness of coating of acid-resist. 1
The roll with the acid-resist material sprayed on its surface is allowed to dry and the acid-resist set either by the use of elevated temperatures or merely by the passage of time. (Box 4) Multiple sprays and etches may be required to give the final specified carrying capacity.
The roll with the set acid-resist material on its surface is rotated in an acid bath. Generally the acid used to etch the roll is a mixture of acetic and nitric acids. The roll is rotated for a desired period of time and to a desired depth to eat away portions of the roll which do not contain acid-resist material or have minimal acidresist material to varying depths and produce a random cellular pattern in the surface of the roll. (Box 5) The etched roll is wiped with a suitable solvent for the acid-resist material to remove excess acid-resist material and produce the irregular patterned surface. (Box 6) If desired the etched roll may be hard chrome plated to give it a neat polished smooth appearance. (Box 7) The roll may be used in any of the offset or gravure printing operations or other coating operations where it is desired to apply ink or a coating material to a sheet or another material. My new roll is rotated in a bath containing the coating material or ink, excess material doctored off by a standard doctor blade and a controlled and metered amount of material applied either to another roll for printing purposes or directly to a material as desired.
It will be obvious to those skilled in the art that various changes may be made without departing from the spirit of the invention and therefore the invention is not limited to what is shown in the drawings and described in the specification but only as indicated by the appended claims.
What is claimed is:
1. A hardened metal applicator roll having a precise randomly etched surface for carrying material to be applied to other material, said surface having a random pattern of cells of varying size and depth and irregular shape.
2. A hardened metal applicator roll according to claim 1 wherein the roll is a chrome plated, steel roll.
3. A hardened metal applicator roll according to claim 1 wherein the roll is a steel roll having a surface hardness of a Rockwell C hardness rating in the 50 to 60 range.
Claims (3)
1. A hardened metal applicator roll having a precise randomly etched surface for carrying material to be applied to other material, said surface having a random pattern of cells of varying size and depth and irregular shape.
2. A hardened metal applicator roll according to claim 1 wherein the roll is a chrome plated, steel roll.
3. A hardened metal applicator roll according to claim 1 wherein the roll is a steel roll having a surface hardness of a Rockwell C hardness rating in the 50 to 60 range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US473019A US3924313A (en) | 1974-05-24 | 1974-05-24 | Metal applicator roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US473019A US3924313A (en) | 1974-05-24 | 1974-05-24 | Metal applicator roll |
Publications (1)
Publication Number | Publication Date |
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US3924313A true US3924313A (en) | 1975-12-09 |
Family
ID=23877851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US473019A Expired - Lifetime US3924313A (en) | 1974-05-24 | 1974-05-24 | Metal applicator roll |
Country Status (1)
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US (1) | US3924313A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2609982A1 (en) * | 1975-03-10 | 1976-09-23 | Wiggins Teape Ltd | Gravure roller and device with a gravure roller for coating a web of paper or another film material |
US4200382A (en) * | 1978-08-30 | 1980-04-29 | Polaroid Corporation | Photographic processing roller and a novel method which utilizes a pulsed laser for manufacturing the roller |
US4200389A (en) * | 1977-12-12 | 1980-04-29 | Minolta Camera Kabushiki Kaisha | Pressure fixing apparatus for copier |
JPS6023248A (en) * | 1983-07-18 | 1985-02-05 | Nippon Bell Parts Kk | Paper feed roller |
US4537127A (en) * | 1984-09-12 | 1985-08-27 | Rockwell International Corporation | Black oxide lithographic ink metering roller |
US4567827A (en) * | 1985-02-04 | 1986-02-04 | Rockwell International Corporation | Copper and nickel layered ink metering roller |
US4603634A (en) * | 1985-02-04 | 1986-08-05 | Rockwell International Corporation | Copper and nickel layered ink metering roller |
EP0282754A2 (en) * | 1987-03-14 | 1988-09-21 | Heidelberger Druckmaschinen Aktiengesellschaft | Inking and damping device for offset-printing presses |
US4794680A (en) * | 1985-12-20 | 1989-01-03 | Union Carbide Corporation | Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll |
US5415094A (en) * | 1993-10-18 | 1995-05-16 | Morrone; Ross F. | Apparatus and method for inking of an engraving die utilizing a selectively rotatable inking roller with external ribbing thereon |
US6321648B1 (en) * | 2000-02-14 | 2001-11-27 | Xerox Corporation | Systems and methods for unforgeable document tagging |
US20050000262A1 (en) * | 2001-07-04 | 2005-01-06 | Blanco Gmbh + Co Kg | Method for producing a metal sheet, metal sheet and device for structuring the surface of a metal sheet |
US20060111223A1 (en) * | 2004-11-23 | 2006-05-25 | Chih-Huang Chou | Etched type inkjet printer roller |
US20070209587A1 (en) * | 2003-11-19 | 2007-09-13 | Waldemar Kiener | Dosing Device And Apparatus For Applying Adhesives To At Least One Dosing Device, And Substrate Web |
US20080240794A1 (en) * | 2007-03-26 | 2008-10-02 | Research Laboratories Of Australia Pty Ltd | Printing machine incorporating plastic metering roller |
US20090241789A1 (en) * | 2006-08-10 | 2009-10-01 | Barbara Baecker | Rubber rollers with rough surface |
US20090320700A1 (en) * | 2006-07-19 | 2009-12-31 | Graham Macfarlane | Stochastically lasered film roller |
WO2011072404A1 (en) * | 2009-12-18 | 2011-06-23 | Terolab Surface Group S.A. | Process for manufacturing a metering roll especially usable for printing and metering roll obtained by this process |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1932168A (en) * | 1930-07-07 | 1933-10-24 | James R Adams | Roll for making rolled products and method for producing it |
US2638050A (en) * | 1952-05-28 | 1953-05-12 | Multicolor Gravure Corp | Method of making printing rolls |
US3167850A (en) * | 1962-12-21 | 1965-02-02 | Frank W Broderick | Transfer roll |
US3177558A (en) * | 1962-08-20 | 1965-04-13 | Du Pont | Metal articles having smooth hemispheroidal indentations |
-
1974
- 1974-05-24 US US473019A patent/US3924313A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1932168A (en) * | 1930-07-07 | 1933-10-24 | James R Adams | Roll for making rolled products and method for producing it |
US2638050A (en) * | 1952-05-28 | 1953-05-12 | Multicolor Gravure Corp | Method of making printing rolls |
US3177558A (en) * | 1962-08-20 | 1965-04-13 | Du Pont | Metal articles having smooth hemispheroidal indentations |
US3167850A (en) * | 1962-12-21 | 1965-02-02 | Frank W Broderick | Transfer roll |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2609982A1 (en) * | 1975-03-10 | 1976-09-23 | Wiggins Teape Ltd | Gravure roller and device with a gravure roller for coating a web of paper or another film material |
US4200389A (en) * | 1977-12-12 | 1980-04-29 | Minolta Camera Kabushiki Kaisha | Pressure fixing apparatus for copier |
US4200382A (en) * | 1978-08-30 | 1980-04-29 | Polaroid Corporation | Photographic processing roller and a novel method which utilizes a pulsed laser for manufacturing the roller |
JPS6023248A (en) * | 1983-07-18 | 1985-02-05 | Nippon Bell Parts Kk | Paper feed roller |
JPH042511B2 (en) * | 1983-07-18 | 1992-01-17 | ||
EP0177666B1 (en) | 1984-09-12 | 1989-06-07 | Rockwell International Corporation | Ink metering roller for lithographic printing and process for producing same |
EP0177666A2 (en) * | 1984-09-12 | 1986-04-16 | Rockwell International Corporation | Ink metering roller for lithographic printing and process for producing same |
EP0177666A3 (en) * | 1984-09-12 | 1986-07-30 | Rockwell International Corporation | Ink metering roller for lithographic printing |
AU580092B2 (en) * | 1984-09-12 | 1988-12-22 | Rockwell International Corporation | Black oxide ink metering roller |
US4537127A (en) * | 1984-09-12 | 1985-08-27 | Rockwell International Corporation | Black oxide lithographic ink metering roller |
US4603634A (en) * | 1985-02-04 | 1986-08-05 | Rockwell International Corporation | Copper and nickel layered ink metering roller |
US4567827A (en) * | 1985-02-04 | 1986-02-04 | Rockwell International Corporation | Copper and nickel layered ink metering roller |
US4794680A (en) * | 1985-12-20 | 1989-01-03 | Union Carbide Corporation | Novel wear-resistant laser-engraved ceramic or metallic carbide surfaces for friction rolls for working elongate members, method for producing same and method for working elongate members using the novel friction roll |
EP0282754A2 (en) * | 1987-03-14 | 1988-09-21 | Heidelberger Druckmaschinen Aktiengesellschaft | Inking and damping device for offset-printing presses |
EP0282754A3 (en) * | 1987-03-14 | 1990-01-31 | Heidelberger Druckmaschinen Aktiengesellschaft | Inking and damping device for offset-printing presses |
US5415094A (en) * | 1993-10-18 | 1995-05-16 | Morrone; Ross F. | Apparatus and method for inking of an engraving die utilizing a selectively rotatable inking roller with external ribbing thereon |
US6321648B1 (en) * | 2000-02-14 | 2001-11-27 | Xerox Corporation | Systems and methods for unforgeable document tagging |
US20050000262A1 (en) * | 2001-07-04 | 2005-01-06 | Blanco Gmbh + Co Kg | Method for producing a metal sheet, metal sheet and device for structuring the surface of a metal sheet |
US20070209587A1 (en) * | 2003-11-19 | 2007-09-13 | Waldemar Kiener | Dosing Device And Apparatus For Applying Adhesives To At Least One Dosing Device, And Substrate Web |
US20060111223A1 (en) * | 2004-11-23 | 2006-05-25 | Chih-Huang Chou | Etched type inkjet printer roller |
US20090320700A1 (en) * | 2006-07-19 | 2009-12-31 | Graham Macfarlane | Stochastically lasered film roller |
US8561536B2 (en) * | 2006-07-19 | 2013-10-22 | Felix Boettcher Gmbh & Co. Kg | Stochastically lasered film roller |
US20090241789A1 (en) * | 2006-08-10 | 2009-10-01 | Barbara Baecker | Rubber rollers with rough surface |
US9266375B2 (en) * | 2006-08-10 | 2016-02-23 | Felix Boettcher Gmbh & Co. Kg | Rubber rollers with rough surface |
US20080240794A1 (en) * | 2007-03-26 | 2008-10-02 | Research Laboratories Of Australia Pty Ltd | Printing machine incorporating plastic metering roller |
WO2011072404A1 (en) * | 2009-12-18 | 2011-06-23 | Terolab Surface Group S.A. | Process for manufacturing a metering roll especially usable for printing and metering roll obtained by this process |
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