EP3268224A1 - An equipment for cleaning at least one mechanical rotary counter for code printing - Google Patents

An equipment for cleaning at least one mechanical rotary counter for code printing

Info

Publication number
EP3268224A1
EP3268224A1 EP16716273.4A EP16716273A EP3268224A1 EP 3268224 A1 EP3268224 A1 EP 3268224A1 EP 16716273 A EP16716273 A EP 16716273A EP 3268224 A1 EP3268224 A1 EP 3268224A1
Authority
EP
European Patent Office
Prior art keywords
numbering machine
cleaning
equipment
mechanical rotary
numbering
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Withdrawn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
EP16716273.4A
Other languages
German (de)
French (fr)
Inventor
Andrea RANZATO VIANELLO
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.)
Graphi Mecc Srl
Original Assignee
Graphi Mecc Srl
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 Graphi Mecc Srl filed Critical Graphi Mecc Srl
Publication of EP3268224A1 publication Critical patent/EP3268224A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/001—Devices for cleaning parts removed from the printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B08B3/123—Cleaning travelling work, e.g. webs, articles on a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B08B5/023—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/0032—Auxiliary numbering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/08—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters
    • B41K1/14—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters having automatic means for changing type-characters
    • B41K1/16—Numbering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/02—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface
    • B41K3/04—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped
    • B41K3/10—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located above article-supporting surface and movable at right angles to the surface to be stamped having automatic means for changing type-characters, e.g. numbering devices
    • B41K3/102—Numbering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/14—Cleaning characterised by the methods or devices using ultrasonic energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the known techniques for cleaning said type of numbering machines are using ultrasounds or chemical solvents.
  • Another very important element is maintaining the morphology of the numeric types of the numbering machine which are often spoiled owing to the known technique of cleaning the numbering machines by using the known equipment.
  • the known technique does not use any mechanical device suitable for driving the tripping element of the mechanical rotary numbering machine.
  • Such driving device was found to be surprisingly advantageous for an optimum cleaning of the numbering machine, together with other elements which will be illustrated below.
  • the mentioned driving device and the other elements according to the present invention also proved to be suitable for maintaining the morphology of the numeric types of the mechanical numbering machine.
  • cleaning the numbering machine and maintaining the morphology of the numeric types of the numbering machine are indispensable requirements for mechanical numbering machines used to print numeric codes on paper money, for instance banknotes.
  • the equipment for cleaning at least one mechanical rotary numbering machine for printing codes on paper money also suitable for retaining the morphology of the numbers of the numbering machine comprises a device for moving the numbering machine along a closed curved line.
  • a device for moving the numbering machine can be for instance a shaft.
  • the movement of said device for moving the numbering machine is obtained, for instance, by means of a motor. Integral with such device is a numbering machine which moves along a closed curved line on the basis of the motion imparted to the numbering machine by the mentioned driving device.
  • the preferred trajectory of the numbering machine is the circular one, which is the easiest to implement, but other trajectories might also be used, as a matter of fact it has been possible to experimentally check that different trajectories of the numbering machine, associated with the actions exerted thereon by the other devices illustrated below, make it possible to obtain an advantageous cleaning of the subject numbering machine and solve the problems of the know techniques for cleaning the mentioned type of numbering machines, while also retaining the morphology of the numeric types of the numbering machine.
  • the numbering machine is placed inside a container which comprises a tank for containing an appropriate liquid detergent or an appropriate ready-to- print oil to dip the numbering machine but also for a better operation of at least one ultrasound device, preferably arranged along the surface of the. tank.
  • the subject equipment is provided with at least one device capable of providing an air jet at a preferred minimum pressure of 0.38 MPa and at least one device for providing a liquid jet at a preferred minimum pressure of 0.5 MPa.
  • the equipment according to the present invention is equipped with a mechanical device suitable for driving the tripping element of the numbering machine, preferably active while the above mentioned ultrasound devices , etc. are operating.
  • Figure 1 shows an equipment according to the present invention comprising a tank (2), at least one mechanical rotary numbering machine (1) for printing codes to be cleaned by using the subject equipment, a number of air jet devices (4) suitable for providing air at a minimum pressure of 0.38 MPa, and a device (7) for moving the mechanical rotary numbering machine (1) along a closed curved line, whose motion is obtained by way of any means and here represented, for explanatory purposes only, by the graphical representation of an electric motor.
  • Figure 2 shows in detail a portion of the device (7) for moving at least one mechanical rotary numbering machine (1) along a closed curved line, the mechanical rotary numbering machine (1) for printing codes to be cleaned by using the subject equipment, a mechanical device (8) suitable for driving the tripping element (9) for a better and advantageous cleaning of the numbering machine (1).
  • Figure 3 shows a set of ultrasound devices (3) arranged along the surface of the tank (2).
  • Said tank (2) is suitable for containing an appropriate liquid detergent (6), not graphically shown.
  • Said liquid (6) is poured into the tank (2) both for a better operation of at least one ultrasound device and for easing up the cleaning of said numbering machine (1).
  • Said tank (2) is also suitable for containing an appropriate printing oil, not graphically shown, as a matter of fact experimental tests also highlighted that a numbering machine might be better cleaned if sprinkling it with an appropriate ready-to-print oil.
  • a preferred mode for such operation is dipping the numbering machine (1) into said oil poured into the tank (2).
  • Figure 4 shows the air jet devices (4) suitable for providing air at a minimum pressure of 0.38 MPa which are arranged in a preferred embodiment, i.e. along a parallelogram.
  • Figure 5 shows a device (5) for the liquid jet (6) suitable for providing the liquid (6) at a minimum pressure of 0.5 MPa.
  • the movement of the numbering machine (1) along a closed curved line, associated with the actions exerted thereon by the other devices illustrated above, has an advantageous cleaning effect onto the numbering machine (1) which solves the problems of the known techniques used for cleaning numbering machines (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Detergent Compositions (AREA)

Abstract

An equipment for cleaning at least one mechanical rotary numbering machine (1) for printing codes on paper money suitable for retaining the morphology of the numeric types of the numbering machine (1) equipped with a set of devices (2-4) which operate synergetically. Particularly, but not exhaustively, important are at least one ultrasound device (3), at least one air jet device (4); at least one liquid detergent jet device (5).

Description

AN EQUIPMENT FOR CLEANING AT LEAST ONE MECHANICAL ROTARY
COUNTER FOR CODE PRINTING
Status of the art
In the paper money printing sector in which a mechanical rotary numbering machine is to be used, for instance the banknote printing sector, a perfect cleaning from the inks used for such printing type is very important.
Very often, especially when using numbering machines for realizing safety printed texts on paper money, such cleaning is not easy to perform because of the nature itself of the inks used which, because of the particular pigments and/or particles contained therein, feature a high resistance to removal, said inks containing metal particles. Such cleaning also entails a drawback in that they damage the morphology of the numbers that make-up the mentioned numbering machine, a damage that is not tolerable in the case that said numbering machines are used for printing codes on paper money.
The known techniques for cleaning said type of numbering machines are using ultrasounds or chemical solvents.
The use of ultrasounds for cleaning objects is described in a number of documents for instance document DE 199 14 746 which discloses an equipment described in said document which comprises a cylindrical drum with holes, a helical flat element on the inner side to displace the object to be cleaned, an ultrasound washing device with liquid, and an ultrasound oscillator. Similar equipment using solvents and ultrasounds for cleaning objects is also described in documents US 2009/139549, DE 2827 163 and US 2010/224114.
Such known equipment is not satisfactory for cleaning the mentioned numbering machines used for printing codes on paper money due to a number of reasons. First of all with respect to the degree of cleaning-obtainable because residues of ink remain on the numbering machines with the known equipment. The presence of residues of ink in numbering machines modifies the morphology of the numeric types of the printed codes and such modification is not acceptable indeed, should the numbering machines be used for printing codes on paper money, for instance banknotes.
A great importance also has the safety of the operators in charge of such maintenance procedure, should cleaning operation be performed by means of chemical solvents: the subject numbering machines are dipped in a bath of solvent whose degree of toxicity is high and consequently, notwithstanding the use of physical protections by the operators, a risk for the health of the operators in charge is still there. An improvement is definitely desirable also from this point of view.
Another very important element is maintaining the morphology of the numeric types of the numbering machine which are often spoiled owing to the known technique of cleaning the numbering machines by using the known equipment.
Note that the known technique does not use any mechanical device suitable for driving the tripping element of the mechanical rotary numbering machine. Such driving device was found to be surprisingly advantageous for an optimum cleaning of the numbering machine, together with other elements which will be illustrated below. The mentioned driving device and the other elements according to the present invention also proved to be suitable for maintaining the morphology of the numeric types of the mechanical numbering machine.
As already mentioned before, cleaning the numbering machine and maintaining the morphology of the numeric types of the numbering machine are indispensable requirements for mechanical numbering machines used to print numeric codes on paper money, for instance banknotes.
The need for solving the problems of the known technique which uses known equipment has been highlighted by the Italian company in charge of printing banknotes of the paper money manufacturing area of BANCA D'lTALIA (Bank of Italy). In order to solve such problems, Dottor Vincenzo Aliotto of the Printing Division and Dottor Maurizio Anibali of the Maintenance and Services Division cared about and, being it not possible for them to qualify themselves as inventors, they provided the inventor of the present invention with hints and suggestions suitable for identifying an invention according to the present patent application.
Description of the invention
The problems of the present art used in the known equipment for cleaning mechanical rotary numbering machines for printing codes on paper money, hereafter shortly also referred to as numbering machines, and for retaining the morphology of the numeric types of the numbering machines are solved by the equipment according to the present invention.
The equipment for cleaning at least one mechanical rotary numbering machine for printing codes on paper money also suitable for retaining the morphology of the numbers of the numbering machine, comprises a device for moving the numbering machine along a closed curved line. Such device can be for instance a shaft. The movement of said device for moving the numbering machine is obtained, for instance, by means of a motor. Integral with such device is a numbering machine which moves along a closed curved line on the basis of the motion imparted to the numbering machine by the mentioned driving device. The preferred trajectory of the numbering machine is the circular one, which is the easiest to implement, but other trajectories might also be used, as a matter of fact it has been possible to experimentally check that different trajectories of the numbering machine, associated with the actions exerted thereon by the other devices illustrated below, make it possible to obtain an advantageous cleaning of the subject numbering machine and solve the problems of the know techniques for cleaning the mentioned type of numbering machines, while also retaining the morphology of the numeric types of the numbering machine.
The numbering machine is placed inside a container which comprises a tank for containing an appropriate liquid detergent or an appropriate ready-to- print oil to dip the numbering machine but also for a better operation of at least one ultrasound device, preferably arranged along the surface of the. tank. The subject equipment is provided with at least one device capable of providing an air jet at a preferred minimum pressure of 0.38 MPa and at least one device for providing a liquid jet at a preferred minimum pressure of 0.5 MPa.
For a better and advantageous cleaning of the numbering machine, the equipment according to the present invention is equipped with a mechanical device suitable for driving the tripping element of the numbering machine, preferably active while the above mentioned ultrasound devices , etc. are operating.
Experimental tests also revealed that a numbering machine might be better cleaned if sprinkling said numbering machine with an appropriate ready- to-print oil.
Description of the figures
Figure 1 shows an equipment according to the present invention comprising a tank (2), at least one mechanical rotary numbering machine (1) for printing codes to be cleaned by using the subject equipment, a number of air jet devices (4) suitable for providing air at a minimum pressure of 0.38 MPa, and a device (7) for moving the mechanical rotary numbering machine (1) along a closed curved line, whose motion is obtained by way of any means and here represented, for explanatory purposes only, by the graphical representation of an electric motor. Figure 2 shows in detail a portion of the device (7) for moving at least one mechanical rotary numbering machine (1) along a closed curved line, the mechanical rotary numbering machine (1) for printing codes to be cleaned by using the subject equipment, a mechanical device (8) suitable for driving the tripping element (9) for a better and advantageous cleaning of the numbering machine (1).
Figure 3 shows a set of ultrasound devices (3) arranged along the surface of the tank (2). Said tank (2) is suitable for containing an appropriate liquid detergent (6), not graphically shown. Said liquid (6) is poured into the tank (2) both for a better operation of at least one ultrasound device and for easing up the cleaning of said numbering machine (1). Said tank (2) is also suitable for containing an appropriate printing oil, not graphically shown, as a matter of fact experimental tests also highlighted that a numbering machine might be better cleaned if sprinkling it with an appropriate ready-to-print oil. A preferred mode for such operation is dipping the numbering machine (1) into said oil poured into the tank (2).
Figure 4 shows the air jet devices (4) suitable for providing air at a minimum pressure of 0.38 MPa which are arranged in a preferred embodiment, i.e. along a parallelogram.
Figure 5 shows a device (5) for the liquid jet (6) suitable for providing the liquid (6) at a minimum pressure of 0.5 MPa. As already indicated in the previous paragraph, the movement of the numbering machine (1) along a closed curved line, associated with the actions exerted thereon by the other devices illustrated above, has an advantageous cleaning effect onto the numbering machine (1) which solves the problems of the known techniques used for cleaning numbering machines (1).
For the sake of completeness, it is here pointed out that the singular form or the plural form are used in the present description to foster a better disclosure of the invention according to the patent application. The different forms used shall not limit or be construed to limit in any way the scope of the present invention protection .

Claims

1. An equipment for cleaning at least one mechanical rotary numbering machine (1) for printing codes on paper money suitable for retaining the morphology of the numeric types of the numbering machine (1) comprising a tank (2), at least one ultrasound device (3), at least one air jet device (4); at least one device (5) for a liquid detergent jet 6) characterized in that it comprises a device (7) for moving the mechanical rotary numbering machine (1) along a closed curved line, a mechanical device (8) suitable for driving the tripping element (9) of the mechanical rotary numbering machine (1).
2. An equipment for cleaning at least one numbering machine (1) according to claim \, characterized in that the ultrasound device (3) is arranged along the surface of the tank (2).
3. An equipment for cleaning at least one numbering machine (1) according to claim 1, characterized in that the air jet device (4) is suitable for providing air at a minimum pressure of 0.38 MPa.
4. An equipment for cleaning at least one numbering machine (1) according to claim 1, characterized in that the liquid jet device (5) is suitable for providing a liquid detergent (6) at a minimum pressure of 0.5 MPa.
5. An equipment for cleaning at least one numbering machine (1) according to claim 1, characterized in that the tank (2) is suitable for containing alternatively a liquid detergent (6) or a ready-to-print oil (10).
EP16716273.4A 2015-02-19 2016-02-17 An equipment for cleaning at least one mechanical rotary counter for code printing Withdrawn EP3268224A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20150245 2015-02-19
PCT/IB2016/000150 WO2016132210A1 (en) 2015-02-19 2016-02-17 An equipment for cleaning at least one mechanical rotary counter for code printing

Publications (1)

Publication Number Publication Date
EP3268224A1 true EP3268224A1 (en) 2018-01-17

Family

ID=53177766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16716273.4A Withdrawn EP3268224A1 (en) 2015-02-19 2016-02-17 An equipment for cleaning at least one mechanical rotary counter for code printing

Country Status (2)

Country Link
EP (1) EP3268224A1 (en)
WO (1) WO2016132210A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB583013A (en) * 1944-09-28 1946-12-04 Kenneth Warner Jones Improvements in and relating to number printing apparatus
US7861732B2 (en) * 2007-11-30 2011-01-04 Safety-Kleen Systems, Inc. Immersion cleaner for print rollers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2016132210A1 *

Also Published As

Publication number Publication date
WO2016132210A1 (en) 2016-08-25

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