EP0306636B1 - Tampondruckvorrichtung zur Übertragung definierter Mengen Druckmedium pro Flächeneinheit - Google Patents

Tampondruckvorrichtung zur Übertragung definierter Mengen Druckmedium pro Flächeneinheit Download PDF

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Publication number
EP0306636B1
EP0306636B1 EP88109692A EP88109692A EP0306636B1 EP 0306636 B1 EP0306636 B1 EP 0306636B1 EP 88109692 A EP88109692 A EP 88109692A EP 88109692 A EP88109692 A EP 88109692A EP 0306636 B1 EP0306636 B1 EP 0306636B1
Authority
EP
European Patent Office
Prior art keywords
tampon
printing
pad
transferring
enlarged
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.)
Expired - Lifetime
Application number
EP88109692A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0306636A1 (de
Inventor
Dieter Anhäuser
Robert-Peter Klein
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.)
LTS Lohmann Therapie Systeme AG
Original Assignee
LTS Lohmann Therapie Systeme AG
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 LTS Lohmann Therapie Systeme AG filed Critical LTS Lohmann Therapie Systeme AG
Priority to AT88109692T priority Critical patent/ATE71023T1/de
Publication of EP0306636A1 publication Critical patent/EP0306636A1/de
Application granted granted Critical
Publication of EP0306636B1 publication Critical patent/EP0306636B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • 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
    • B41F17/001—Pad printing apparatus or machines

Definitions

  • the invention relates to a pad printing device for transferring defined amounts of printing medium per unit area and the use thereof.
  • Pad printing processes have been known since 1968 and are also suitable for printing on uneven surfaces to which flexible tampons that transfer the printing medium adapt.
  • a pad printer is described, for example, in DE-OS 19 39 437.
  • the picture element to be printed is deeply etched in a cliché, the printing form.
  • the printing medium is transferred into this cliché, after a squeegee process which doses the printing medium which has been taken up in the cliché, the printing medium remaining in the cliché is completely absorbed by the tampon and transferred to the object to be printed.
  • An overview of the applications and properties of the pad printing process can be found in the brochure of the company TAMPOPRINT GMbH, Daimlerstrasse 27/1 in Korntal-Münchingen, to which reference is made in full to avoid repetitions.
  • Pad printers are very advantageous due to their small space requirement, since they can be easily integrated into production lines and also encapsulated, which is important for the protection of operating personnel but also for reducing the evaporation rate when processing highly effective or toxic printing media, such as medicinal etching inks, polymerization starters or the like volatile substances is helpful.
  • the object was achieved according to the invention by a generic device in that at least the pressure contact area of the total surface of the tampon is increased while maintaining essentially the same outer shape and shape volume.
  • the surface enlargement can consist, for example, of rastering, roughening, creasing or nubbing of the tampon surface and can be produced in a suitable shape by machining a finished tampon body or by producing the enlarged tampon surface when the tampon body is formed.
  • such tampons are suitable for transferring more than three times the amount of print medium that has previously been transferable with the same shape.
  • a particularly preferred application is found in the production of patch-like transdermal therapeutic systems.
  • the invention unexpectedly increases the amount of printing medium dispensed in a printing process and still achieves a surprising dosage that remains the same within narrow limits.
  • the device according to the invention can now be used for the first time to produce active substance-containing printing media, small doses of active substance without loss of active substance, as was the case in the surface coating processes used hitherto, for example for transdermal therapeutic systems, thereby saving expensive active substance and avoiding the problematic removal of active substance waste can.
  • tampon material By choosing a suitable tampon material, the various requirements can be taken into account, so all rubber-elastic materials familiar to the person skilled in the art, such as natural and synthetic rubber and in particular silicone rubber, are suitable, which have the required properties, such as machinability, solvent resistance, thermal resistance or sufficient elasticity low temperatures can be selected.
  • the tampon shape can be selected according to the substrate to be processed; all common shapes, both frustoconical and flat or egg-shaped tampons with an enlarged printing surface, can be used.
  • a basis weight of about 200 g per square meter of printing medium and more can be transferred by the device according to the invention, a further improvement in the transfer quantity can be achieved by improvements in the process familiar to the person skilled in the art, such as the use of softer tampons, other printing media and the like. to reach.
  • Fig. 1 the application of a print medium layer with a tampon 20 designed according to the invention on a flat substrate 22 is shown schematically.
  • An elastic egg-shaped silicone rubber tampon 20 with a pressure medium coating is placed on the surface area with a raised surface 23, which he removed in the preceding working step of the device from the recess of a cliché 24 shaped according to the desired pattern of the application of the pressure medium (see FIG. 2), pressed on the flat substrate 22, on which it leaves a uniform pressure medium layer thickness after lifting the tampon 20.
  • FIG. 3 shows a preferred embodiment of an egg-shaped tampon 20 according to the invention, on the upper region 23 of which is used for the transfer of pressure medium, groove-like depressions are formed as an enlargement of the surface, through which the absorption and transfer of larger quantities of pressure medium is possible.
  • the amount of printing medium absorbed in the process is determined by the etching depth and shape of the plate 24, from which the printing medium is completely lifted off after it has been placed on the plate in a uniform layer thickness by a doctor blade process and is removed and transferred in this form.
  • FIG. 4 shows a further preferred embodiment of the tampon 20, which here is essentially roller-shaped. Cups are formed on the application or transfer surface of the tampon to increase the surface area, which are also used to hold increased amounts of pressure medium.
  • FIG. 5 shows an active substance-containing plaster that can be produced with the device according to the invention.
  • This can be done, for example, by uniformly printing a ring-like, active ingredient-impermeable acrylic pressure-sensitive adhesive layer 16 onto a cover film 15, here siliconized paper, which is peeled off before use of the plaster, and a circular control layer 18, which, due to its constant thickness and its chemical-physical properties, ensures the passage of matter controls and subsequent printing of an active substance-containing reservoir layer 14 by means of a tampon printing device according to the invention and subsequent lamination with an impermeable backing layer, here an aluminum-polyester laminate 10.
  • Both the control layer 18, its properties can only be ensured if the thickness is constant, and also the active substance layer 14, the active substance content of which can also be obtained in a form suitable for pharmaceutical applications only with a high thickness and area constancy of the applied layer, can be applied by the device according to the invention.
  • a plaster as shown in Fig. 5 before application of the backing layer 10 is shown, here a plaster with two active ingredients, 14 and 14 'is present.
  • This embodiment can also be produced with a single active substance application step using the tampon printer according to the invention, the active substance-impermeable PSA ring 16 being visible again here.
  • FIG. 7 shows a further pharmacological dosage form that can be produced by the device according to the invention, a sugar-coated dragee 30 with a two-layer core 34, 36, which can be produced by printing the layer 36 onto a circular base 34 without waste of the base material 34 or the printing layer 36, shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Medicinal Preparation (AREA)
  • Printing Methods (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Eye Examination Apparatus (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Handling Of Sheets (AREA)
  • Press Drives And Press Lines (AREA)
  • Materials For Medical Uses (AREA)
  • Coloring (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Control Of Presses (AREA)
  • Ink Jet (AREA)
  • Laminated Bodies (AREA)
EP88109692A 1987-08-14 1988-06-16 Tampondruckvorrichtung zur Übertragung definierter Mengen Druckmedium pro Flächeneinheit Expired - Lifetime EP0306636B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88109692T ATE71023T1 (de) 1987-08-14 1988-06-16 Tampondruckvorrichtung zur uebertragung definierter mengen druckmedium pro flaecheneinheit.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3727214 1987-08-14
DE19873727214 DE3727214A1 (de) 1987-08-14 1987-08-14 Tampondruckvorrichtung zur uebertragung definierter mengen druckmedium pro flaecheneinheit

Publications (2)

Publication Number Publication Date
EP0306636A1 EP0306636A1 (de) 1989-03-15
EP0306636B1 true EP0306636B1 (de) 1992-01-02

Family

ID=6333819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88109692A Expired - Lifetime EP0306636B1 (de) 1987-08-14 1988-06-16 Tampondruckvorrichtung zur Übertragung definierter Mengen Druckmedium pro Flächeneinheit

Country Status (27)

Country Link
EP (1) EP0306636B1 (pl)
JP (1) JP2919845B2 (pl)
KR (1) KR890701364A (pl)
AT (1) ATE71023T1 (pl)
AU (1) AU624330B2 (pl)
CA (1) CA1336368C (pl)
CZ (1) CZ284747B6 (pl)
DD (1) DD281987A5 (pl)
DE (2) DE3727214A1 (pl)
DK (1) DK166201C (pl)
ES (1) ES2028948T3 (pl)
FI (1) FI88897C (pl)
GR (1) GR3003494T3 (pl)
HR (1) HRP920833B1 (pl)
HU (1) HU204219B (pl)
IE (1) IE60688B1 (pl)
IL (1) IL87159A (pl)
MY (1) MY103535A (pl)
NO (1) NO166926C (pl)
NZ (1) NZ225243A (pl)
PL (1) PL165836B1 (pl)
PT (1) PT88137B (pl)
SI (1) SI8811566A8 (pl)
SK (1) SK559188A3 (pl)
WO (1) WO1989001410A1 (pl)
YU (1) YU46591B (pl)
ZA (1) ZA884678B (pl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19708674C2 (de) * 1996-03-25 2002-02-07 Lohmann Therapie Syst Lts Transdermales therapeutisches System mit einer wirkstoffhaltigen Filmschicht und einer löslichen Trennschicht, sowie ein Verfahren zu dessen Herstellung
CA2366862C (en) * 1999-03-18 2008-05-20 Lts Lohmann Therapie-Systeme Ag Transdermal therapeutic system and process for its production
DE19955214B4 (de) * 1999-11-17 2006-05-11 Stork Gmbh Verfahren zum Herstellen von Leiterstrukturen
DE10033112C2 (de) * 2000-07-07 2002-11-14 Siemens Ag Verfahren zur Herstellung und Strukturierung organischer Feldeffekt-Transistoren (OFET), hiernach gefertigter OFET und seine Verwendung
DE10256760A1 (de) * 2002-12-05 2004-06-17 Continental Isad Electronic Systems Gmbh & Co. Ohg Verfahren zum Aufbringen wenigstens einer Schicht aus Isolierlack auf ein elektrisch leitendes Element
DE102004045070B4 (de) * 2004-09-15 2006-11-23 Alletto Rothhaar Verfahren zum Auftrag einer Klebstoffschicht auf ein Werkstück sowie Vorrichtung zur Durchführung dieses Verfahrens
KR100881232B1 (ko) 2007-05-03 2009-02-05 한국기계연구원 패드 프린팅 방법 및 그 장치
DE102007031971A1 (de) * 2007-07-10 2009-01-15 BSH Bosch und Siemens Hausgeräte GmbH Tampondruckmaschine mit Roboterarm
DE102019117310A1 (de) 2019-06-27 2020-12-31 Lts Lohmann Therapie-Systeme Ag Verfahren zur Herstellung von Wirkstoffverabreichungssystemen mittels Tampondruckverfahren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH25087A (fr) * 1901-11-02 1903-03-31 Redard Camille Dr Professeur Davier démontable
US2436761A (en) * 1944-10-24 1948-02-24 Dewey And Almy Chem Comp Textile print blanket
JPS6014585U (ja) * 1983-07-07 1985-01-31 シャープ株式会社 テレビジヨン受像機等のスピ−カ−システム

Also Published As

Publication number Publication date
ZA884678B (en) 1989-03-29
ES2028948T3 (es) 1992-07-16
CA1336368C (en) 1995-07-25
HUT53576A (en) 1990-11-28
NO890185L (no) 1989-02-23
DE3727214A1 (de) 1989-02-23
DK183289D0 (da) 1989-04-14
WO1989001410A1 (de) 1989-02-23
DE3867391D1 (de) 1992-02-13
IL87159A0 (en) 1988-12-30
PL165836B1 (pl) 1995-02-28
NO166926B (no) 1991-06-10
IE882392L (en) 1989-02-14
IL87159A (en) 1992-05-25
SK280800B6 (sk) 2000-07-11
SI8811566A8 (en) 1995-12-31
HU204219B (en) 1991-12-30
CZ559188A3 (cs) 1998-12-16
YU46591B (sh) 1993-11-16
IE60688B1 (en) 1994-08-10
YU156688A (en) 1990-04-30
NZ225243A (en) 1991-05-28
DK183289A (da) 1989-04-14
SK559188A3 (en) 2000-07-11
NO166926C (no) 1991-09-18
FI88897C (fi) 1993-07-26
HU883834D0 (en) 1990-02-28
PT88137B (pt) 1993-09-30
JPH02500183A (ja) 1990-01-25
KR890701364A (ko) 1989-12-20
FI88897B (fi) 1993-04-15
FI891773A (fi) 1989-04-13
PL273855A1 (en) 1989-03-20
DK166201C (da) 1993-08-16
FI891773A0 (fi) 1989-04-13
NO890185D0 (no) 1989-01-16
MY103535A (en) 1993-07-31
DK166201B (da) 1993-03-22
EP0306636A1 (de) 1989-03-15
AU624330B2 (en) 1992-06-11
HRP920833A2 (hr) 1994-04-30
PT88137A (pt) 1989-06-30
HRP920833B1 (en) 1998-10-31
GR3003494T3 (en) 1993-02-17
DD281987A5 (de) 1990-08-29
AU1935688A (en) 1989-03-09
ATE71023T1 (de) 1992-01-15
CZ284747B6 (cs) 1999-02-17
JP2919845B2 (ja) 1999-07-19

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