EP3047978A1 - Presse mécanique pour l'impression et l'estampage de symboles sur un substrat - Google Patents

Presse mécanique pour l'impression et l'estampage de symboles sur un substrat Download PDF

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Publication number
EP3047978A1
EP3047978A1 EP15152365.1A EP15152365A EP3047978A1 EP 3047978 A1 EP3047978 A1 EP 3047978A1 EP 15152365 A EP15152365 A EP 15152365A EP 3047978 A1 EP3047978 A1 EP 3047978A1
Authority
EP
European Patent Office
Prior art keywords
press
units
stamp
unit
symbols
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Withdrawn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
EP15152365.1A
Other languages
German (de)
English (en)
Inventor
Damjan Strucl-Hrncic
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.)
Kig Podjetje Za Proizvodnjo In Upravijanje Druzb DD
Original Assignee
Kig Podjetje Za Proizvodnjo In Upravijanje Druzb DD
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 Kig Podjetje Za Proizvodnjo In Upravijanje Druzb DD filed Critical Kig Podjetje Za Proizvodnjo In Upravijanje Druzb DD
Priority to EP15152365.1A priority Critical patent/EP3047978A1/fr
Publication of EP3047978A1 publication Critical patent/EP3047978A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/008—Numbering devices for printing on articles other than sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/24—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on flat surfaces of polyhedral articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/064—Presses of the reciprocating type
    • 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
    • B41K1/10—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 movable type-carrying bands or chains
    • 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
    • B41K1/12—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 adjustable type-carrying wheels
    • 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
    • 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
    • B41K3/06—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 type-carrying bands or chains
    • 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
    • B41K3/08—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 adjustable type-carrying wheels
    • 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
    • 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
    • B41K3/105—Numbering devices actuating means for changing type-characters
    • 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
    • B41K3/107—Numbering devices having movable type-carrying bands or chains
    • 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
    • B41K3/26—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface
    • B41K3/263—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface having a stamping surface with changeable characters
    • B41K3/266—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface having a stamping surface with changeable characters having automatic means for changing type-characters, e.g. 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
    • B41K3/26—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface
    • B41K3/28—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface and bearing a positive image
    • 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
    • B41K3/26—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface
    • B41K3/28—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface and bearing a positive image
    • B41K3/30—Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface and bearing a positive image and having means for varying the image, e.g. by exchanging stamping plates in succession
    • 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
    • B41K3/32—Apparatus for stamping articles having integral means for supporting the articles to be stamped with co-operating stamping and counter-stamping members
    • 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
    • B41K3/32—Apparatus for stamping articles having integral means for supporting the articles to be stamped with co-operating stamping and counter-stamping members
    • B41K3/34—Apparatus for stamping articles having integral means for supporting the articles to be stamped with co-operating stamping and counter-stamping members in the form of indexable cylinders, e.g. of curved or polygonal cross-section, or of movable chains or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0076—Machines or apparatus for embossing decorations or marks, e.g. embossing coins having a series of embossing tools each of which can be brought into working position

Definitions

  • the present invention is in the field of printing or impressing a plurality of symbols on a substrate, in particular of sequentially printing or impressing a series of markers such as number plates or license plates, for example a batch of car license plates.
  • the present invention comprises a mechanical press for printing or impressing a plurality of symbols on a substrate and a method of operating a mechanical press for printing or impressing a plurality of symbols on a substrate.
  • the technical field of labeling or marking objects can relate to manufacturing a large number of markers.
  • the registration of every car in a single major city or urban region may require the production of tens of millions of distinguishing car license plates.
  • every produced license plate must be marked with a unique label comprising symbols, such as for example a unique string of numbers and characters.
  • the respective string of symbols must generally be selected according to official rules which are set out to simplify readability and improve the accuracy of recognition.
  • the Republic of Slovenia has issued Guidelines for registration of motor vehicles and trailers (Official Gazette of the Republic of Slovenia, no. 48/2011) wherein Article 30 requires license plates to fulfill certain physical dimensions and also that the respective identification string should include four or five characters. It is further required that the license plates including five characters must provide one of the following combinations:
  • license plates including four characters must be based on one of the combinations:
  • license plates provide registration marks which are legible for humans even at a distance of several tens of meters, such as to allow quick and accurate identification by traffic participants. It follows that the use of certain characters of the Slovenian alphabet C, S and Z are prohibited, because of their similarity to other characters C, S and Z. Moreover, because adjacent characters used in strings must be readily distinguishable, any string combination including for example 'I' adjacent to the number "1" or 'B' adjacent to the number '8' are not allowed.
  • the constellation of symbols (e.g. characters and numbers) representing a registration identifier of a license plate is selected by typesetting the composition of symbols by arranging a plurality of press units.
  • Each press unit represents a physical entity which is formed by a corresponding symbol and the respective constellation of symbols is thus arranged in a mechanical press for pressing and impregnating the license plate with a selected string of symbols.
  • This typesetting procedure is repeated for each individual production of a license plate, because each license plate is defined to carry a unique and thus a different constellation of symbols.
  • Such typesetting of strings of symbols can be performed by hand, wherein human operators are responsible for arranging the respective constellation of press units in a manually operated mechanical press. In this cumbersome process, the operator reads the ordered strings from a display or a printed list of registration identifiers, and he must manually perform the typesetting and monitoring of the process.
  • Semiautomatic presses require the operator to perform the typesetting by hand, but are capable of automatically verifying the typesetting layout using optical, mechanical or electronic devices.
  • semiautomatic presses read the desired constellation of symbols from a memory and compare the constellation with the typesetting performed by the human operator. It follows that semiautomatic presses generally require computing devices such as for example a processor unit connected to a memory and a display.
  • fully automatic presses require no human operator, and operate in a similar manner as computer printers. In other words, fully automatic presses operate by receiving information defining the string of symbols to be impregnated into a license plate, and pressing the same without the involvement of any human operators for typesetting or verification purposes.
  • semiautomatic and fully automatic presses must receive identifier information defining the desired string of symbols to be impregnated into each of the license plates.
  • semiautomatic and fully automatic presses are generally adapted to receive the identifier information in form of the string of symbols representing the desired string of symbols to be impregnated, or alternatively by receiving the identifier information in a different encoded format. In the latter case, the encoded identifier information is received by the press, decoded and then used for operating the press.
  • the identifier information received and processed by semiautomatic and fully automatic presses must be generated and provided such as to enable pressing of a large series of license plates.
  • undesired double pressing of identical license plates is prevented by keeping records of already processed identifier information.
  • the identifier information received by presses satisfy rules and limitations for complying with official legislations.
  • the identifier information represents the string of symbols to be pressed in each case, and each string of symbols is verified by hand to comply with the above rules, prior to forwarding the string to the press.
  • the respective operation of presses involves a complex and cumbersome procedure of keeping records of already processed identification information, and for ensuring by verification that the identification information forwarded to the press complies with all necessary rules and legislations.
  • a problem underlying the invention is to provide an improved mechanical press for printing or impressing a plurality of symbols on a substrate and an improved method of operating such a mechanical press.
  • the mechanical press provides a device for printing or impressing a string of selected symbols on a substrate.
  • the mechanical press comprises a plurality of stamp units, wherein each of the stamp units includes a plurality of press units, and wherein at least two of the stamp units comprise a different number of press units.
  • Each press unit has at least one surface formed by a symbol.
  • An adjustment unit is adapted to adjust the stamp units such as to select a press unit for printing or impressing the symbol formed on its surface on the substrate.
  • symbols are selected and arranged for printing or impressing a string of selected symbols on the substrate. Then, the symbols formed on the selected press units is pressed against a surface of the substrate, either directly or via an intermediate layer comprising ink or other coloring materials.
  • each of the selected symbols is formed by impressing its shape into the surface of the substrate, or alternatively the shape of the symbol is printed on the surface of the substrate by arranging an intermediate layer comprising ink or other coloring materials between the press unit and substrate.
  • the symbols can for example be formed by incising or engraving the symbols into the surface of the press units, wherein the symbols can for example comprise numbers and/or letters.
  • some of the press units can for example have numbers formed on at least one of their surfaces while other press units can have letters formed on at least one of their surfaces.
  • the press units can be made of soft or hard materials, which may depend on the type of substrate material being printed or impressed.
  • the substrate may include materials made of a sheet of paper, carton, wood, plastic or metal plate, in particular a number plate or a license plate.
  • Each of the press units can comprise two or more surfaces having the formed symbol.
  • the press units can comprise a clamping unit for clamping together two surfaces of the press unit.
  • the two surfaces can be formed by a positive and negative image of the symbol, respectively, wherein the substrate can be arranged between the two surfaces for impressing the shape of the symbol by clamping.
  • each of the press units is integrated into a surface of a stamp unit in a fixed manner, or alternatively it is inserted into the stamp unit in a removable manner.
  • at least one of the stamp units may comprise a plurality of trays, wherein each of the trays is adapted to receive one of the press units.
  • the adjustment unit is adapted to select a press unit by adjusting a stamp unit such that the selected press unit can be removed from one of its trays. Then, the selected press unit can be arranged together with other selected press units in a press device for printing or impressing the respective symbols on the substrate.
  • the press device is adapted to print or impress the symbols by pressing the formed symbols against a surface of the substrate, either directly or via an intermediate layer comprising ink or other coloring materials.
  • the press device may be adapted to sandwich the substrate and selected press units between two pressure applying surfaces of the press device.
  • the adjustment unit is adapted to adjust at least one of the stamp units for selecting press units for printing or impressing. Moreover, the adjustment unit is adapted to receive a series of consecutive identifier numbers, and to adjust the at least one stamp unit based on each of the received identifier numbers. In this respect, the adjustment unit selects an adjacent press unit of a stamp unit when it receives each of the consecutive identifier numbers. It follows that the movement of each of the stamp units is limited to adjusting between two adjacent press units comprised by the stamp unit. Thus, because the distance between adjacent press units is lower than the average distance between press units, the mechanical press requires only a minimum amount of adjustment of stamp units to arrange the symbols for each subsequent printing or pressing of distinguishing strings of symbols. Consequently, the selection of symbols improves mechanical and system related characteristics of the press, in particular for performing series production, for example to achieve faster processing, less mechanical wear and for lowering power consumption.
  • the adjustment unit receives a series of consecutive identifier numbers, wherein each of the identifier numbers defines one of the constellations of symbols to be printed or impressed on the substrate.
  • each of the identifier numbers can define the symbols to be impressed on a license plate in a series production of a number of license plates, wherein each of the license plates carries a unique combination of symbols.
  • the respective identifier numbers received by the adjustment unit may represent any sequence of consecutive numbers belonging to any number system, such as for example decimal, hexadecimal, binary or octary number systems, to name a few examples.
  • the identifier numbers received by the adjustment unit may be defined in a machine readable format, for example computer readable format, may be modulated or encoded depending on the receiving and/or coding scheme used in the adjustment unit.
  • the adjustment unit is adapted to receive identifier numbers belonging to a set of consecutive integer numbers such that each of the integer numbers corresponds to a different constellation of press units selected by the adjustment unit.
  • the adjustment unit may be adapted to select a string of symbols by adjusting (n+1) stamp units ⁇ su(0) ... su(n) ⁇ for printing or impressing the symbols of selected press units on the substrate.
  • a k denotes an index of the symbol selected by adjusting the stamp unit su( k ) to select a press unit formed by one of the symbols and b j denotes the total number of press units comprised by the stamp unit su( j ).
  • the stamp unit positions defining the selected press units of the (k+1) stamp units can be defined by offset values ⁇ sup(0) ... sup(n) ⁇ from an initial position, wherein a method for calculating the sequence ⁇ sup(0) ...
  • the operator mod() calculates the respective reminder of integer division and the constant C applies to define the corresponding adjusting positions of the press units (C can be 1 or any real number).
  • the adjustment unit can be adapted to receive an identifier number which is embedded in a linked data object, in particular wherein the series of identifier numbers represents a series of linked data objects.
  • the adjustment unit may be adapted to receive linked data objects, wherein each of the linked data objects includes an identifier number and a link to a subsequent data object, wherein the subsequent data object includes the consecutive identifier number.
  • the links between data objects provide flexible means to define and/or adjust the sequence of identifier numbers received and processed by the adjustment unit, for example in order to leap over identifier numbers or identifier number ranges which should be avoided or may even be forbidden due to national rules and legislations.
  • the adjustment unit is adapted to receive a series of consecutive identifier numbers, and to adjust at least one of the stamp units accordingly to select press units for printing or impressing.
  • the adjustment unit can for example comprise a control unit and at least one actuator, wherein the control unit is adapted to control the at least one actuator and the at least one actuator is configured to adjust stamp units.
  • the mechanical press may comprise the above discussed trays for receiving press units, which may be linearly stacked.
  • the adjustment unit is adapted to linearly shift the position of the stamp units in the direction of tray stacking in order to select press units for printing or impressing.
  • At least one of the stamp units may include a wheel having press units arranged in a peripheral series along at least a portion of the lateral area of the wheel.
  • the press units may be integrated into the wheel or the wheel may comprise a plurality of trays for receiving the press units.
  • the wheel is adapted to be rotatably adjustable by the adjustment unit, such as to select the stamp units for printing or impressing.
  • the rotatable wheels may be arranged in a side-by-side manner and may be configured to be rotatable about an axis of rotation, wherein the axis of rotation of at least two of the wheels are parallel to each other or represent the same axis of rotation.
  • the wheels can be arranged in a compact manner, for example on a single axis of rotation, which saves space and simplifies maintenance work.
  • the plurality of said rotatable wheels may be mechanically coupled in an ordered series, such that a full rotation of one of the wheels in the series causes a rotation of a next wheel in the series by one press unit formed by a symbol.
  • the adjustment unit can adjust a plurality of the wheels by rotating only one or a few of the wheels.
  • This arrangement allows a simpler and robust implementation of the adjustment unit by exploiting mechanical coupling between wheel elements, e.g. for reducing the number of actuators being applied for wheel adjustments.
  • the method of operating a mechanical press for printing or impressing a plurality of symbols on a substrate comprises adjusting at least one of a plurality of stamp units, wherein each of the stamp units comprises a plurality of press units. At least one surface of each of the press units is formed by a symbol.
  • the adjustment of each of the stamp units selects one of the press units for printing or impressing.
  • the method further comprises printing or impressing a string comprising the symbols of the selected press units on a substrate.
  • the step of adjusting at least one of the plurality of stamp units includes receiving a series of consecutive identifier numbers, and adjusting the plurality of stamp units based on each of the received identifier numbers.
  • consecutive identifier numbers are discussed above in connection with the mechanical press according to the invention.
  • the plurality of stamp units are adjusted such that adjacent press units of stamp units are selected when each of the consecutive identifier numbers are received.
  • at least two of the stamp units comprise a different number of press units.
  • each of the stamp units is limited to adjusting between two adjacent press units comprised by the respective stamp unit.
  • the method requires minimum movement of stamp units to arrange the symbols for each subsequent printing or pressing of strings with distinguishing symbols. Consequently, the respective selection of symbols represents a step of the method improving mechanical characteristics of operating a press in series production, such as for example to achieve faster processing, less mechanical wear and for lowering power consumption.
  • At least one of the stamp units comprises a wheel having press units arranged in a peripheral series along at least a portion of the lateral area of the wheel and the step of adjusting the stamp unit comprises rotating the wheel.
  • at least one of the stamp units may comprises a linear stack arrangement of press units and the stamp unit may be adjusted by linearly shifting the stamp unit in the direction of the linear stack arrangement.
  • At least one of the stamp units may comprise a plurality of trays, wherein each of the trays is adapted to receive a press unit.
  • the step of adjusting the at least one of a plurality of stamp units for printing or impressing includes adjusting the respective stamp unit such that the selected press unit can be removed from one of its trays and arranging the selected press unit together with other selected press units in a press device. Then, the press device can be operated to print or impress the symbols formed on the selected press units on the substrate, for example by pressing the formed symbols against a surface of the substrate, either directly or via an intermediate layer comprising ink or other coloring materials.
  • At least two of the stamp units may include two wheels, and the first wheel may be adjusted by rotation by one press unit when the second wheel has been adjusted by a full rotation.
  • two of the stamp units may include two linear stack arrangements of press units, wherein the first linear stack arrangement is shifted by one press unit when the second linear stack arrangement has been shifted between the press units positioned at opposite ends of the second linear stack arrangement.
  • the respective shifting between the press units positioned at opposite ends of the second linear stack arrangement may include a plurality of shifting procedures between adjacent press units, wherein the corresponding string of press units is printed or impressed after each shifting between adjacent press units, in particular in a series production.
  • Fig. 1 is a schematic illustration of a mechanical press 10 according to the invention comprising a plurality of stamp units 20 and an adjustment unit 30.
  • the mechanical press 10 is adapted to produce license plates 50.
  • Fig. 2 illustrates how the plurality of stamp units 20 represent wheels having press units 40 arranged in a peripheral series along the lateral portion of the wheels 20.
  • the press units 40 have a surface formed by letters or numbers, respectively, and are integrated into the respective wheels 20.
  • the press units 40 are integrated into and fixed to the respective wheel, whereas different embodiments of press units 40 are discussed below in connection with Figs. 3 and 4 .
  • the stamp units 20 comprised by the mechanical press 10 are of different sizes and include different numbers of press units 40.
  • a stamp unit 20 may comprise press units formed by symbols, wherein the symbols may represent the complete set of alphabetic letter A-Z or only a subset thereof, or only the decimal numerical set 0-9 to name a few examples.
  • the selection of the respective number and type of symbols provided by each of the wheels depends on national rules and legislations setting out the allowable string format of license plates.
  • the first four symbols of the allowable string format of license plates may include alphabetic letters, wherein the stamp units 20 allocated to the third and fourth symbols provide a larger selection of symbols than the first and second stamp units 20.
  • national rules and legislations may prescribe that the alphabetic letters of the first two stamp units 20 should be used for regional indication of the registered vehicle and are thus based on only a subset of alphabetic letters.
  • the third and fourth stamp units 20 shown in Fig. 1 comprise a larger number of press units 40 than the first and second stamp units 20.
  • national rules and legislations may set out that the last three string symbols of license places should comprise decimal numbers 0-9.
  • the three rightmost stamp units 20 comprise an even smaller number of press units 40 formed by different decimal numbers.
  • the adjustment unit 30 illustrated in Fig. 1 is adapted to adjust stamp units 20 comprising a different number of press units 40.
  • the adjustment unit 30 is adapted to rotate 60 the wheels 20 such as to select for each of the wheels 20 one of the press units 40 comprised by the wheel 20 for impressing the license plate 50.
  • the respective selected press items 40 are arranged by rotation 60 at the bottom of the wheels 20, such as to select the string of symbols "LJKS230" formed on the respective selected press items 40.
  • the adjustment unit 30 is adapted to receive a series of consecutive identifier numbers 70 and to adjust the stamp units 20 accordingly by rotation 60.
  • the adjustment unit 30 illustrated in Fig. 1 is adapted to adjust the respective stamp units 20 by selecting an adjacent press unit 40 of a stamp unit 20 when the adjustment unit 30 receives each of the consecutive identifier numbers 70. Hence, when the adjustment unit 30 receives a new consecutive number 70, a new string of symbols must be selected for producing the next license plate 50 carrying a different and unique license number.
  • At least one of the stamp units 20 must be rotated 60 such as to select a different symbol in the string.
  • this adjustment of the respective stamp unit 20 is performed by selecting an adjacent press unit 40 of the stamp unit 20.
  • the adjustment is limited to a minimum adjustment of rotating the respective wheel 20 such as to select an adjacent press unit 40 of the stamp unit 20. It follows that because the distance between adjacent press units 40 is lower than the average distance between press units 40, the mechanical press 10 according to the invention requires only a minimum adjustment of stamp units 20 to arrange the symbols for each subsequent printing or pressing of distinguishing strings of symbols.
  • the selection of symbols improves mechanical and system related characteristics of the mechanical press 10, in particular for performing series production, such as for example to achieve faster processing, less mechanical wear and for lowering power consumption
  • the consecutive identifier numbers 70 received by the adjustment unit 30 must unambiguously define the string of symbols to be impressed on each of the license plates 50.
  • the consecutive identifier numbers 70 must be based on a mathematical numerical system which allows identifications of each possible combination of symbols which are achievable by rotating 60 the stamp units 20.
  • the base b defines the underlying numerical systems which may include binary, ternary, quaternary, quinary, decimal or hexadecimal systems to name a few examples.
  • the adjustment unit 30 is adapted to receive a consecutive identifier number 70 such as to adjust accordingly the stamp units 20 comprising a different number of press units 40.
  • the above conventional notation of a numerical system does not provide an intuitive and transparent selection of a base b to be used for defining an appropriate numerical system.
  • B k denotes the weight of the respective numerical digit k
  • the general numerical system used in the embodiment of Fig. 1 is not only more general than any conventional numerical system based on a single basis b, but it also includes any such conventional numerical system as a subset.
  • the function f ( j ) depends on b j and must be selected to exists for all integers j and b greater than zero. It follows that such a universal numerical system is unlimited and can be used to express arbitrary integers. However, since the number of characters on license plates is limited, only limited numerical systems need to be used in the production of registration plates.
  • the consecutive identifier number is determined in accordance with the embodiment shown in Fig 1 to represent the string of symbols »LJ XM-345 «.
  • the alphabetic characters »L «, »J «, »X « and »M « belong to a basis comprising the following set of characters: ⁇ »A « 0 , »B « 1 , »C « 2 , »D « 3 , »E « 4 , »F « 5 , »G « 6 , »H « 7 , »I « 8 , »J « 9 , »K « 10 , »L « 11 , »M « 12 , »N « 13 , »O « 14 , »P « 15 , »R « 16 , »S « 17 , »T « 18 , »U « 19 , »V « 20 , »Z « 21 , »X « 22 , »Y « 23 , »W « 24 ⁇
  • the symbols 3, 4 and 5 belong to a different basis comprising the ten characters used in the decimal numerical system.
  • the symbol '3' has a sequential value of 3
  • the symbol '4' has a sequential value of 4
  • the symbol '5' has a sequential value of 5, as can be seen from the following decimal system basis. » 0 « 0 , » 1 « 1 , » 2 « 2 , » 3 « 3 , » 4 « 4 , » 5 « 5 , » 6 « 6 , » 7 « 7 , » 8 « 8 , » 9 « 9 .
  • a new consecutive identifier number is generated which can be used to define a new sting of symbols complying with the above plurality of bases of symbols.
  • any consecutive identifier number received by the adjustment unit 30 corresponds to a unique string of symbols, wherein the respective string of symbols complies with having the above different sets of characters apply for different symbols of the string.
  • This can be advantageously used to mirror for example national rules and legislations concerning the production of license plate into the definition of distinguishing character sets applying for different symbols of strings. Consequently, the adjustment unit 30 is only required to receive an intuitive and transparent series of consecutive identifier numbers, and can still comply with national rules and legislations.
  • any consecutive identifier number received by the adjustment unit 30 can be converted "back" to the unique string of symbols by the following method:
  • the string of seven symbols indexed ⁇ 6, 5, 4, 3, 2, 1, 0 ⁇ used for a license plate may be required to fulfill that the symbols carrying indexes ⁇ 4, 2, 0 ⁇ belong to the set ⁇ «0« 0 ,»1 » 1 , »2 « 2 ,»3 « 3 ,»4 « 4 ,»5 « 5 , »6 « 6 ,»7 « 7 ,»8 « 8 , »9 « 9 ⁇ which is termed NUM, and that the symbols carrying indexes ⁇ 6, 5, 3, 1 ⁇ belong to the follows set ALFA: ⁇ »A « 0 , »B « 1 , »C « 2 , »D « 3 , »E « 4 , »F « 5 , »G « 6 , »H « 7 , »I « 8 , »J « 9 , »K « 10 , »L « 11 , »M « 12 , »N « 13 , »O « 14 , »P « 15 , »R « 16 , »S « 17 , »
  • the identifier number 188368622 is used to define a unique string of seven symbols, wherein the string can be determined as follows based on the above method:
  • a k denote an index of the symbol which is selected by adjusting a stamp unit su( k ) 20 to select a press unit 40 formed by one of the symbols
  • b j denotes the total number of press units 40 comprised by the stamp unit su( j ) 20.
  • the rotational positions of the stamp unit 20 define the selected press units 40 and can thus be noted as offset values ⁇ sup(0) ... sup(n) ⁇ from an initial position. Accordingly, the method for calculating the sequence ⁇ sup(0) ...
  • the operator mod() calculates the respective reminder of integer division and the constant C applies to define the corresponding adjusting positions of the press units 40 (C can be 1 or any real number).
  • the press units 40 illustrated in Figs. 1 and 2 have a surface formed by letters or numbers, respectively, and are integrated into the wheels 20.
  • the press units 40 are integrated into and fixed to the stamp units 20.
  • Fig. 3 illustrates alternative embodiments of stamp units 40 comprising a plurality of trays 80, wherein the trays 80 can be arranged in a linear stack arrangement or in a circular arrangement along the lateral area of a wheel. In either case, the trays 80 are adapted to receive a press unit 40, wherein the press unit 40 is removable from the respective tray 80.
  • Fig. 4 illustrates a corresponding removable press unit adapted to be received by a tray 80 of the stamp unit 20.
  • the press unit 40 comprises two inner surfaces 90 each formed with a positive and a negative image of a symbol, respectively. It follows that a license plate 50 can be arranged between the two surfaces 90 of the press unit 40 for impressing the shape of the symbol from both sides.
  • the license plate 50 is sandwiched between surfaces 90 of the press unit 40 and the shape of the symbol is impressed by clamping the license plate 50 from both sides. Consequently, the license plate is fixed in a steady and efficient manner for conducting a robust and precise press processing.
  • Fig. 5 shows a corresponding illustration of a plurality of stamp units 20 representing wheels 20 adapted to be rotatable about a common axis of rotation 100.
  • the wheels 20 are arranged in a compact manner, which saves space and simplifies maintenance work.
  • the plurality of rotatable wheels 20 may be mechanically coupled in an ordered series, such that a full rotation of one of the wheels 20 in the series causes a rotation of a next wheel 20 in the series by one press unit 40 formed by a symbol. Consequently, the adjustment unit 30 can adjust a plurality of the wheels 20 by rotating only one or a few of the wheels 20. This arrangement allows a simpler and robust implementation of the adjustment unit 30 by exploiting mechanical coupling between wheel elements 20, e.g.
  • the wheels 20 comprise trays 80 which are arranged in a circular arrangement along the lateral area of the wheels 20.
  • Each of the trays 80 carries a press unit 40 which is removable from the respective tray 80.
  • the corresponding stamp unit 20 is rotated such as to align the tray 80 carrying the press unit 40 with a working platform 110.
  • the selected press units 40 are removed from the respective tray 80 and arranged on the working platform 110 for further processing. This method of working with removable press units 40 is discussed below in connection with Figs. 6 to 14 .
  • Fig. 6 illustrates an alternative embodiment of a plurality of stamp units 20, wherein each of the stamp units 20 represents a linear stack of trays 80.
  • Each of the stamp units 20 may be adjusted by linearly shifting 120 the stamp unit 20 in the direction of the linear stack arrangement.
  • each of the trays 80 carries a press unit 40 which is removable from the respective tray 80.
  • the stamp unit 20 is shifted 120 such as to align the tray 80 carrying the press unit 40 with a working platform 110.
  • the selected press units 40 are removed from the respective tray 80 and arranged on the working platform 110 for further processing.
  • the arranging of the selected press units 40 on the working platform 110 can include positioning the press units 40 in accordance with physical dimensions of the license plate 50.
  • Fig. 10 shows how the working platform 110 carrying the selected press units 40 and license plate 50 is arranged inside a press device 130.
  • the press device comprises two pressure applying surfaces and is adapted to impress the symbols formed on surfaces of the press units 40 on the license plate 50.
  • the license plate 50 is pressed against the symbols of the press units 40 by clamping the license plate 50 between the positive and negative images of the symbol, which are formed on the inner surfaces 90 of the selected press units 40.
  • Fig. 11 shows how the press device 130 completes the impressing of symbols by reducing the pressure applied and thus releases the working platform 110 carrying the selected press units 40 and license plate 50.
  • the license plate 50 comprising the respective impressed string of symbols is removed from the press units 40 as shown in Fig. 12 .
  • the final steps of the press processing are illustrated in Figs. 13 and 14 , wherein the selected press units 20 are re-arranged on the working platform 110 such as to align with their respective trays 80, and the selected press units 20 are then received by the respective trays 80 in order to complete the process. Consequently, as discussed above, stamp units 20 may then be adjusted by linearly shifting 120 the stamp unit 20 by one press item 40 in the direction of the linear stack arrangement, such as to prepare the mechanical press 10 for the series production of the subsequent license plate 50.

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EP15152365.1A 2015-01-23 2015-01-23 Presse mécanique pour l'impression et l'estampage de symboles sur un substrat Withdrawn EP3047978A1 (fr)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
EP3318344A1 (fr) * 2016-11-08 2018-05-09 UTAL Sp. z o.o. Machine pour l'embossage de plaques en metal pour la production des plaques d'immatriculation
WO2018185153A1 (fr) * 2017-04-04 2018-10-11 Erich Utsch Ag Dispositif de fabrication de plaques d'immatriculation de véhicules à moteur en ayant recours à une plaque de marquage qui est dotée d'une légende de symboles individuelle estampée
CN111284115A (zh) * 2018-12-06 2020-06-16 长春设备工艺研究所 一种用于钢码自动排版的新型设备
CN111332043A (zh) * 2020-04-07 2020-06-26 佛山华远智能装备有限责任公司 一种车牌全自动压字机
CN113002201A (zh) * 2021-04-27 2021-06-22 佛山华远智能装备有限责任公司 一种汽车车牌全自动压字机

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US3987721A (en) * 1974-04-17 1976-10-26 Donald R. Alexander Apparatus for manufacturing automobile license plates
US4136612A (en) * 1975-11-03 1979-01-30 Societe Anonyme Dite: Au Cachet Lorrain Apparatus for stamping articles, especially metal sheets
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US20080314265A1 (en) * 2007-06-22 2008-12-25 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd . Method for affixing a seal impression on a paper document and hand-held device using the same
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US3626462A (en) * 1969-09-11 1971-12-07 Dennison Mfg Co Multicolor marking system
DE2036983A1 (de) * 1970-07-25 1972-01-27 Mueller M Datumsgerat
US3987721A (en) * 1974-04-17 1976-10-26 Donald R. Alexander Apparatus for manufacturing automobile license plates
US4136612A (en) * 1975-11-03 1979-01-30 Societe Anonyme Dite: Au Cachet Lorrain Apparatus for stamping articles, especially metal sheets
US4485735A (en) * 1982-03-25 1984-12-04 Societa Nationale Industrielle Et Aerospatiale Automatized printing machine and printing unit for such a machine
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3318344A1 (fr) * 2016-11-08 2018-05-09 UTAL Sp. z o.o. Machine pour l'embossage de plaques en metal pour la production des plaques d'immatriculation
WO2018185153A1 (fr) * 2017-04-04 2018-10-11 Erich Utsch Ag Dispositif de fabrication de plaques d'immatriculation de véhicules à moteur en ayant recours à une plaque de marquage qui est dotée d'une légende de symboles individuelle estampée
WO2018185162A1 (fr) * 2017-04-04 2018-10-11 Erich Utsch Ag Procédé de fabrication de plaques d'immatriculation de véhicules à moteur en ayant recours à une plaque d'immatriculation, qui est pourvue d'une légende de symboles individuelle estampée
WO2018185158A1 (fr) * 2017-04-04 2018-10-11 Erich Utsch Ag Dispositif de fabrication de plaques d'immatriculation de véhicules à moteur en ayant recours à des plaques de marquage, qui sont pourvues d'une légende de symboles individuelles estampée
WO2018185147A1 (fr) * 2017-04-04 2018-10-11 Erich Utsch Ag Dispositif de fabrication de plaques d'immatriculation de véhicules à moteur en ayant recours à une plaque de marquage qui est pourvue d'une légende de symboles individuelle estampée
CN111284115A (zh) * 2018-12-06 2020-06-16 长春设备工艺研究所 一种用于钢码自动排版的新型设备
CN111284115B (zh) * 2018-12-06 2022-02-22 长春设备工艺研究所 一种用于钢码自动排版的设备
CN111332043A (zh) * 2020-04-07 2020-06-26 佛山华远智能装备有限责任公司 一种车牌全自动压字机
CN111332043B (zh) * 2020-04-07 2024-06-11 佛山华远智能装备有限责任公司 一种车牌全自动压字机
CN113002201A (zh) * 2021-04-27 2021-06-22 佛山华远智能装备有限责任公司 一种汽车车牌全自动压字机
CN113002201B (zh) * 2021-04-27 2024-06-11 佛山华远智能装备有限责任公司 一种汽车车牌全自动压字机

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