EP0893202A2 - Device for obtaining safety stamps applicable to paper or other laminar elements - Google Patents
Device for obtaining safety stamps applicable to paper or other laminar elements Download PDFInfo
- Publication number
- EP0893202A2 EP0893202A2 EP98500139A EP98500139A EP0893202A2 EP 0893202 A2 EP0893202 A2 EP 0893202A2 EP 98500139 A EP98500139 A EP 98500139A EP 98500139 A EP98500139 A EP 98500139A EP 0893202 A2 EP0893202 A2 EP 0893202A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- side walls
- cylinder
- supporting cylinder
- characteristic
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/223—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of paper or similar sheet material, e.g. perforating, cutting by means of a grinding wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/10—Watermarks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
- (a)
- paper supporting cylinder
- (b)
- abrasive wheel
- (c)
- antisliding pressure means
- (d)
- paper adjustment means
- (1)
- supporting cylinder (a) body
- (1')
- supporting cylinder (a) body
- (2)
- abrasive wheel (b) body
- (2')
- abrasive wheel (2) periphery
- (2")
- replaceable sandpaper
- (3)
- application paper
- (3')
- paper (3) front side
- (3")
- paper (3) back side
- (4)
- paper (3) ends
- (5)
- paper (3) reliefs or low-reliefs
- (5')
- relief (6) peaks
- (6)
- end (4) of paper (3) position attachment means
- (7)
- antisliding pressure brushes
- (7')
- brush (7) filiform bundles
- (8)
- motor compressor
- (8')
- compressed air line
- (9)
- blower nozzle
- (9')
- adjustment brush
- (10)
- suction pump
- (10')
- suction line
- (11)
- suction mouth
- (12)
- cylinder (a) pneumatic vacuum chamber
- (12')
- side wall (1') pass-though micro holes
- (13)
- pneumatic suction lines
- (14)
- vacuum pump
- (15)
- supporting cylinder (a) shaft means (connected to angular drive means in cylinder (a))
- (16)
- first adjuster roller
- (16')
- second adjuster roller
- (17)
- relief stamping dies
- (17')
- low-relief stamping dies
- (18)
- stamping cylinder
Claims (14)
- Device for obtaining safety stamps applicable to paper or other laminar elements, of the type designed to form water marks on the paper's reliefs and low-reliefs by lowering their thickness through partial abrading of said relief or low-relief peaks formed by stamping dies, characteristic in that it comprises:a) a paper supporting cylinder, the paper being applied to the cylinder side walls through end position attachment means arranged on the cylinder proper;b) an abrasive periphery wheel connected to rotating drive means and arranged adjacent the supporting cylinder, from which it is separated by a distance that is shorter than the height of the relief peaks;c) paper adjustment means - over the surface of the supporting cylinder side walls - comprised in a pneumatic circuit and arranged at least adjacent the zone between the supporting cylinder and the abrasive wheel;d) paper antisliding pressure means projecting against the cylinder side walls; ande) supporting cylinder angle drive means.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that it comprises:a) a paper supporting cylinder, the paper being applied to the cylinder side walls through end position attachment means arranged on the cylinder proper;b) an abrasive periphery wheel connected to uniform circular drive means and arranged adjacent the supporting cylinder, from which it is separated by a distance that is shorter than the height of the relief peaks;c) pneumatic means for adjusting the paper over the surface of the supporting cylinder side walls, arranged adjacent the zone between the supporting cylinder and the abrasive wheel;d) paper antisliding pressure brushes, the filiform bundles of which project against the cylinder side walls; ande) supporting cylinder circular drive means.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claims 1 and 2, characteristic in that the paper adjustment means applied over the surface of the cylinder side walls consist of a pneumatic circuit comprising:a) a pneumatic vacuum chamber formed within the supporting cylinder body itself, its suction entry taking the form of a nozzle connected to a pneumatic network, the suction outlet being fitted with a plurality of micro holes which perforate the cylinder side walls and are distributed throughout the cylinder's usable peripheric surface, andb) a vacuum pump, the suction mouth of which is connected to said suction inlet corresponding to the supporting cylinder chamber.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the paper adjustment means applied over the surface of the cylinder side walls consist of a pneumatic circuit comprising:a) a motor compressor which, together with compressed air container means, is fitted with a feeding nozzle forming a pressure fluid outlet; andb) at least one blower nozzle connected to said motor compressor outlet and fitted with an ejection mouth facing the paper, directed toward the proximity of the contact zone between said paper and said abrasive wheel.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the means for adjusting the paper over the surface of the cylinder side walls consist in a pneumatic circuit comprising:a) a motor compressor which, in addition to compressed air containers, ends in a feeding nozzle forming a pressure fluid outlet; andb) at least one blower nozzle connected to said motor compressor outlet, fitted with a mouth arranged in the proximity of the contact zone between said paper and said abrasive wheel and facing one of said paper edges for flushingly projecting air thereon.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the means for adjusting the paper over the surface of the cylinder side walls consist in a pneumatic circuit comprising:a) a motor compressor which, in addition to compressed air containers, ends in a feeding nozzle forming a pressure fluid outlet;b) at least one blower nozzle connected to said motor compressor outlet, its ejection mouth facing said paper;c) a suction pump fitted with a connection nozzle forming an inlet for said sucked-in air;d) at least one suction mouth adjacent the blower nozzle which, connected to said suction pump connection nozzle, is oriented toward the proximity of said contact zone between said paper and abrasive periphery wheel; ande) complementary adjustment brushes proximally arranged in respect to said blower nozzle and suction mouth.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the paper adjustment means comprise variable adjustment brushes applied against the cylinder side walls, said means being fitted with a pneumatic adjustment mechanism.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the paper adjustment means comprise variable adjustment cylinders applied against the cylinder side walls, said means being fitted with a pneumatic adjustment mechanism.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the paper antisliding pressure means are brushes, the filiform bundles of which project against the cylinder side walls and are located at least adjacent the paper adjustment means.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the paper antisliding pressure means are brushes, the filiform bundles of which project against the cylinder side walls and are distributed facing the overall supporting cylinder periphery.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the antisliding pressure means are rollers, the peripheries of which roll over the periphery of the paper supporting cylinder.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the abrasive periphery wheel is an abrasive stone.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the abrasive surface wheel is a drum, the cylindrical periphery facing the supporting cylinder side walls of which is fitted with replaceable sandpaper covering said periphery.
- Device for obtaining safety stamps applicable to paper or other laminar elements, according to claim 1, characteristic in that the supporting cylinder is rotatingly driven in a sequential manner involving angular fractions delimited by stations which correspond to the paper relief-abrasive surface coincidence zone.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR10315197 | 1997-07-14 | ||
AR9703151 | 1997-07-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0893202A2 true EP0893202A2 (en) | 1999-01-27 |
EP0893202A3 EP0893202A3 (en) | 2000-08-30 |
EP0893202B1 EP0893202B1 (en) | 2004-04-07 |
Family
ID=3461021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980500139 Expired - Lifetime EP0893202B1 (en) | 1997-07-14 | 1998-06-10 | Device for obtaining safety stamps applicable to paper or other laminar elements |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0893202B1 (en) |
ES (1) | ES2219858T3 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1963448A (en) * | 1932-01-11 | 1934-06-19 | Danta Boyd | Sanding machine drum |
US3683559A (en) * | 1970-10-05 | 1972-08-15 | Johnson & Johnson | Apparatus for producing perforated sheet material |
US4720325A (en) * | 1985-01-24 | 1988-01-19 | Svecia Antiqua Sa | Method for the manufacture of a material in the form of sheets or a web provided with a watermarklike pattern |
DE3718452A1 (en) * | 1986-06-02 | 1988-01-28 | Nicolas Tadeo Ciccone | Method and device for producing a positionable security marking on paper |
US4815379A (en) * | 1986-01-24 | 1989-03-28 | Heidelberger Druckmaschinen Ag | Sheet transfer cylinder between printing units of a rotary printing machine |
US5183252A (en) * | 1989-03-31 | 1993-02-02 | Eastman Kodak Company | Vaccum drum for different sized media |
-
1998
- 1998-06-10 EP EP19980500139 patent/EP0893202B1/en not_active Expired - Lifetime
- 1998-06-10 ES ES98500139T patent/ES2219858T3/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1963448A (en) * | 1932-01-11 | 1934-06-19 | Danta Boyd | Sanding machine drum |
US3683559A (en) * | 1970-10-05 | 1972-08-15 | Johnson & Johnson | Apparatus for producing perforated sheet material |
US4720325A (en) * | 1985-01-24 | 1988-01-19 | Svecia Antiqua Sa | Method for the manufacture of a material in the form of sheets or a web provided with a watermarklike pattern |
US4815379A (en) * | 1986-01-24 | 1989-03-28 | Heidelberger Druckmaschinen Ag | Sheet transfer cylinder between printing units of a rotary printing machine |
DE3718452A1 (en) * | 1986-06-02 | 1988-01-28 | Nicolas Tadeo Ciccone | Method and device for producing a positionable security marking on paper |
US5183252A (en) * | 1989-03-31 | 1993-02-02 | Eastman Kodak Company | Vaccum drum for different sized media |
Also Published As
Publication number | Publication date |
---|---|
ES2219858T3 (en) | 2004-12-01 |
EP0893202A3 (en) | 2000-08-30 |
EP0893202B1 (en) | 2004-04-07 |
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