EP0305370A1 - Dispositif de prevention de l'encrassement d'imprimantes - Google Patents

Dispositif de prevention de l'encrassement d'imprimantes

Info

Publication number
EP0305370A1
EP0305370A1 EP87902510A EP87902510A EP0305370A1 EP 0305370 A1 EP0305370 A1 EP 0305370A1 EP 87902510 A EP87902510 A EP 87902510A EP 87902510 A EP87902510 A EP 87902510A EP 0305370 A1 EP0305370 A1 EP 0305370A1
Authority
EP
European Patent Office
Prior art keywords
paper
brushes
printing machine
machine according
continuous paper
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.)
Withdrawn
Application number
EP87902510A
Other languages
German (de)
English (en)
Inventor
Karl Nolle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0305370A1 publication Critical patent/EP0305370A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/02—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge
    • B65H1/025—Supports or magazines for piles from which articles are to be separated adapted to support articles on edge with controlled positively-acting mechanical devices for advancing the pile to present the articles to the separating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/58—Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello

Definitions

  • printing machines are understood to mean all machines for inscribing and / or printing on paper, such as offset printing machines, dot matrix printers and the like.
  • Ilrter ruler paper in the sense of the invention is understood each finished continuous paper, regardless of whether it is rolled up on rolls or laid in zigzag folds; in the latter paper, the problems mentioned below, but also the success achieved by the invention, are particularly great.
  • Ready-made continuous paper in the sense of the invention is any continuous paper which has perforations. Such perforations occurred as edge perforations on one or both cattle of the continuous paper in the paper transport direction, however. also as perforations, especially across and along the paper transport direction.
  • Such continuous forms including as be ⁇ printed or unprinted paper form in connection with microcomputers, reindeer, among other personal computers or On the other. ⁇ Computer-assisted writing or printing systems, but also used for large computer equipment.
  • Printing machines previously used in connection with microcomputers have used an unassembled continuous paper which was unwound from an endless paper roll, then printed and only subsequently punched for the purpose of further processing, the required perforations being produced.
  • Newer printing machines enable the processing of ready-made continuous paper, the so-called tabulating paper, which, in the finished state, can also be used as ready-made continuous paper even when printing in short runs. A particularly high failure rate has been observed on such printing machines because the quality of the Printer's critical components get soiled unusually quickly.
  • the soiling of the printing press is due to the use of the finished continuous paper.
  • the finished continuous paper carries a high proportion of dirt particles, such as paper fibers of various sizes (dust), smaller paper sections and the like. This protection was recognized as the cause of the loss of quality during printing and the frequent stoppage of the printing press. It has been found that this contamination of the finished continuous paper arises during the making up. The many needles or knives producing the perforations cause fibers and similar paper components to be detached from the solid paper dressing. Sometimes the paper sections to be punched out during the production of the peripheral perforation do not completely separate from the area to be perforated. All of these contaminations impair the proper functioning and the quality of the printing press.
  • the invention is based on the object, in generic printing machines for tabulating paper, in particular radially perforated, transversely and / or longitudinally perforated endless paper, soiling of the printing cylinder and / or other components of the printer which influence the quality and / or the function of the printer Prevent printing presses by the continuous paper.
  • This object is achieved in a generic printing machine with the characterizing features of claim 1.
  • the invention achieves, inter alia, that considerably less maintenance work is required than in the case of printing machines according to the prior art.
  • the breasts of a pair of brushes face each other exactly, forming a pull-through gap for the tab paper, whereby particularly effective cleaning with the least possible mechanical stress on the tab paper is achieved.
  • the brushes can be displaced transversely to the direction of paper transport and to the direction of brush extension, the cleaning effect can be adapted to the specific conditions, in particular an adjustment in the event of brush wear is possible.
  • the brushes can either be held elastically displaceably with the interposition of a spring or the like, or can be fixed in the respective displacement position, for example by means of screws extending through elongated holes.
  • the continuous paper dispenser has a housing which is closed on all sides for receiving the continuous paper supply and a paper removal gap. This housing is opened by means of a corresponding flap for inserting the continuous paper supply.
  • the brushes are attached to the housing cover on one side of the at least one pair of brushes in such a way that when the housing cover is opened, these brushes are pivoted or displaced transversely to the direction of brush extension. This will thread the endless pieres considerably simplified between the two-sided brushes. This applies above all when the at least one pair of brushes forms the paper removal gap, but also when the at least one pair of brushes is arranged within the housing.
  • a dust extraction device on the dispenser side of the at least one pair of brushes.
  • a suction opening can be provided in the housing wall, to which a suction device available everywhere, for. B. a. Vacuum cleaner, can be coupled.
  • a suction nozzle of the dust extraction device opens out transversely to the brush extension direction, the best suction of dirt particles is achieved with the least possible functional impairment of the paper transport of the continuous paper.
  • the drawing shows: 1 shows a printing press with a continuous paper feed device in vertical section - in sections (section along the line II according to FIG. 2);
  • Fig. 2 the same printing machine in a perspective view
  • a printing machine 1, e.g. B. an offset printing machine has a feed device 2 for feeding finished, folded continuous paper 3 according to FIG. 3.
  • the feed device 2 consists of an endless paper dispenser 4, a paper feed nip 5 and a transport drum 6. Between the continuous paper dispenser 4 and the paper feed nip 5, a pair of brushes 7 is arranged in the paper transport direction A such that the two brushes 7 'and 7' 1 extend at least over the width b of the continuous paper 3. In the operating position shown in FIG. 1, the brush fibers 8 rest on both sides B and C of the continuous paper 3.
  • a housing 12 enclosing the continuous paper dispenser 4 on all sides for receiving the continuous paper supply 13 has a paper removal gap 14 which essentially coincides with the pull-through gap 9.
  • Sight glasses 15 and 16 extend in the paper transport direction A, so that the paper supply still available and the functionality of the device can be seen.
  • a suction opening 20 is provided in a side wall 19 of the housing 12 arranged in the direction of brush extension D, to which a vacuum cleaner can be connected by means of an adapter 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Advancing Webs (AREA)

Abstract

Dans une imprimante (1) ayant un dispositif d'alimentation (2) de papier tabulaire (3) (papier confectionné en continu) avec un distributeur (4) de papier en continu et une fente (5) d'alimentation du papier, l'encrassement par le papier en continu du cylindre d'impression et/ou d'autres parties qui ont une influence sur la qualité et/ou le fonctionnement de l'imprimante est évité en agençant dans le sens de transport du papier (A) au moins une paire de brosses entre le distributeur (4) de papier en continu et la fente (5) d'alimentation du papier, de telle sorte que les deux brosses (7', 7'') s'étendent au moins sur la largeur (b) du papier en continu (3) et que les soies (8) des brosses touchent dans leur position de fonctionnement les deux côtés (B et C) du papier en continu (3).
EP87902510A 1986-05-02 1987-05-04 Dispositif de prevention de l'encrassement d'imprimantes Withdrawn EP0305370A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863614774 DE3614774A1 (de) 1986-05-02 1986-05-02 Druckmaschine
DE3614774 1986-05-02

Publications (1)

Publication Number Publication Date
EP0305370A1 true EP0305370A1 (fr) 1989-03-08

Family

ID=6299955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87902510A Withdrawn EP0305370A1 (fr) 1986-05-02 1987-05-04 Dispositif de prevention de l'encrassement d'imprimantes

Country Status (3)

Country Link
EP (1) EP0305370A1 (fr)
DE (1) DE3614774A1 (fr)
WO (1) WO1987006527A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0410967A (ja) * 1989-04-27 1992-01-16 Asahi Optical Co Ltd 紙粉ブラシ開閉機構
US5421261A (en) * 1993-04-27 1995-06-06 Gerber Scientific Products, Inc. Printing apparatus having web-cleaning members for removing particles affecting print quality
EP0788888B1 (fr) * 1995-08-18 2000-05-10 Max Co., Ltd. Imprimante thermique
DE19903887A1 (de) 1998-02-23 1999-08-26 Heidelberger Druckmasch Ag Verfahren und Bogenrotationsdruckmaschine zum Beidseitigen Bedrucken eines Bedruckstoffbogens
US7032793B2 (en) * 1998-04-14 2006-04-25 Gtech Corporation Ticket dispensing device, installation and displays

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE488360C (de) * 1926-09-30 1929-12-24 Ullstein Akt Ges Vorrichtung zum Abbuersten und Absaugen des Staubes von beiden Seiten einer zu bedruckenden Papierbahn
DE613964C (de) * 1933-03-21 1935-05-28 Colman Smith Vorrichtung zum Entstauben von Bogen
US2513093A (en) * 1945-11-07 1950-06-27 Moore Business Forms Inc Strip feeding and severing machine
US4001838A (en) * 1974-04-01 1977-01-04 Electroprint, Inc. Methods and apparatus for cleaning paper in a high speed electrostatic printing apparatus
FR2468462A1 (fr) * 1979-10-26 1981-05-08 Vauger Bernard Machine pour l'impression et le faconnage, a format variable, d'une matiere en nappe
US4591390A (en) * 1981-03-25 1986-05-27 Shell Internationale Research Maatschappij B. V. Cable cleaning system
JPS591285A (ja) * 1982-06-28 1984-01-06 Fujitsu Ltd 印刷装置
US4458376A (en) * 1982-09-03 1984-07-10 Allied Tube & Conduit Corporation Apparatus for wiping continuously moving strip
DE8430807U1 (de) * 1984-10-19 1985-01-31 Nixdorf Computer Ag, 4790 Paderborn Vorrichtung fuer eine bueromaschine zur verhinderung eines erneuten papiereinzugs von aus einer papierausgabeoeffnung austretendem papier
JPS61140850U (fr) * 1985-02-22 1986-09-01

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8706527A1 *

Also Published As

Publication number Publication date
WO1987006527A1 (fr) 1987-11-05
DE3614774A1 (de) 1988-01-21

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