ATE113533T1 - DEVICE FOR SHEET STRAIGHTENING ON THE PRINT CYLINDER IN A SHEET ROTARY PRINTING PRESS. - Google Patents
DEVICE FOR SHEET STRAIGHTENING ON THE PRINT CYLINDER IN A SHEET ROTARY PRINTING PRESS.Info
- Publication number
- ATE113533T1 ATE113533T1 AT91119118T AT91119118T ATE113533T1 AT E113533 T1 ATE113533 T1 AT E113533T1 AT 91119118 T AT91119118 T AT 91119118T AT 91119118 T AT91119118 T AT 91119118T AT E113533 T1 ATE113533 T1 AT E113533T1
- Authority
- AT
- Austria
- Prior art keywords
- sheet
- lance nozzle
- impression cylinder
- running direction
- ahead
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/102—Combinations of transfer drums and grippers with pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F25/00—Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
Abstract
The additional patent describes a device for smooth placing of sheets (1) on the impression cylinder (3) ahead of the printing gap (5) of a sheet-fed rotary offset printing machine, in which device a lance nozzle (8), which can be directed towards the circumference of the impression cylinder (3) and extends over a substantial part of the width of the impression cylinder (3), is provided for pressing the sheet (1) on by the dynamic effect of flowing air. This lance nozzle (8) is mounted with spacing ahead of the printing gap (5) so as to oscillate about an axis (9) of oscillation parallel to the axis of the impression cylinder (3) and can be coupled to a drive which moves the lance nozzle (8) back and forth in phase with the machine, oscillating in the running direction of the sheet (1). In constrast to the principal patent, the lance nozzle (8) has a shape in which the ends are offset relative to a central region in the running direction of the sheet so that a centrally leading smoothing of the sheet (1) takes place from the leading edge to the trailing edge of the sheet and from the centre of the sheet to the two outsides. Preference is given to a lance nozzle (8) which has an arrow-type shape directed with the tip counter to the running direction of the sheet. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904039311 DE4039311A1 (en) | 1989-06-24 | 1990-12-10 | System for smoothing sheet against printing press cylinder - uses air nozzle with ends offset from middle part |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE113533T1 true ATE113533T1 (en) | 1994-11-15 |
Family
ID=6419944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91119118T ATE113533T1 (en) | 1990-12-10 | 1991-11-11 | DEVICE FOR SHEET STRAIGHTENING ON THE PRINT CYLINDER IN A SHEET ROTARY PRINTING PRESS. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0490087B1 (en) |
JP (1) | JPH04275150A (en) |
CN (1) | CN1022554C (en) |
AT (1) | ATE113533T1 (en) |
CA (1) | CA2055586C (en) |
DE (1) | DE59103420D1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19523076C5 (en) * | 1995-06-24 | 2007-05-16 | Heidelberger Druckmasch Ag | Device for achieving a perfect support of a printing substrate in a printing press |
DE19753137C1 (en) * | 1997-11-29 | 1998-10-15 | Roland Man Druckmasch | Sheet-guide and handler for printing machine |
DE10000308A1 (en) * | 2000-01-05 | 2001-07-12 | Heidelberger Druckmasch Ag | Air duct system in a sheet-fed press |
JP2008156123A (en) * | 2006-12-21 | 2008-07-10 | Heidelberger Druckmas Ag | Device for feeding sheet toward machine for processing sheet |
CN106629193B (en) * | 2016-11-18 | 2018-01-23 | 无锡祁龙胶粘制品有限公司 | A kind of diaphragm winding flattening device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3650043A (en) * | 1970-04-03 | 1972-03-21 | Overly Inc | Web stabilizer |
DE2603483B2 (en) * | 1976-01-30 | 1978-06-08 | Reinhard Mohn Ohg, 4830 Guetersloh | Method for guiding a sheet for simultaneous printing with a perfecting printing and device for carrying out the method |
JPS55102373A (en) * | 1979-02-01 | 1980-08-05 | Nippon Carbide Ind Co Ltd | Preparation of artificial fish egg |
DD241397A1 (en) * | 1985-09-30 | 1986-12-10 | Polygraph Leipzig | BLADE DEVICE IN PRINTING MACHINES |
JP2628647B2 (en) * | 1987-06-08 | 1997-07-09 | デュプロ精工株式会社 | Stencil locking device for stencil printing machine |
ES2031187T3 (en) * | 1987-09-11 | 1992-12-01 | M.A.N.-Roland Druckmaschinen Aktiengesellschaft | DEVICE ON ROTARY MACHINES IN PRINTING OF PAGES IN VARIOUS COLORS TO TIGHTEN A PLEASE ON THE PRINTING CYLINDER. |
DD264651B5 (en) * | 1987-10-29 | 1993-11-04 | Kba Planeta Ag | DEVICE FOR LUBRICATING BOW GUIDANCE |
DE3920730A1 (en) * | 1989-06-24 | 1991-01-10 | Heidelberger Druckmasch Ag | DEVICE FOR ARC SMOOTHING ON THE PRINT CYLINDER IN AN ARC ROTATION PRINTING MACHINE |
-
1991
- 1991-11-11 EP EP91119118A patent/EP0490087B1/en not_active Expired - Lifetime
- 1991-11-11 AT AT91119118T patent/ATE113533T1/en not_active IP Right Cessation
- 1991-11-11 DE DE59103420T patent/DE59103420D1/en not_active Expired - Fee Related
- 1991-11-14 CA CA002055586A patent/CA2055586C/en not_active Expired - Fee Related
- 1991-12-09 JP JP3324140A patent/JPH04275150A/en active Pending
- 1991-12-10 CN CN91111504A patent/CN1022554C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0490087A1 (en) | 1992-06-17 |
DE59103420D1 (en) | 1994-12-08 |
JPH04275150A (en) | 1992-09-30 |
CN1022554C (en) | 1993-10-27 |
EP0490087B1 (en) | 1994-11-02 |
CN1062318A (en) | 1992-07-01 |
CA2055586C (en) | 1995-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |