EP0086742A1 - Machine d'impression au tampon avec dispositif d'encrage - Google Patents

Machine d'impression au tampon avec dispositif d'encrage Download PDF

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Publication number
EP0086742A1
EP0086742A1 EP83810043A EP83810043A EP0086742A1 EP 0086742 A1 EP0086742 A1 EP 0086742A1 EP 83810043 A EP83810043 A EP 83810043A EP 83810043 A EP83810043 A EP 83810043A EP 0086742 A1 EP0086742 A1 EP 0086742A1
Authority
EP
European Patent Office
Prior art keywords
spatula
spreader
head
recess
edge
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.)
Granted
Application number
EP83810043A
Other languages
German (de)
English (en)
Other versions
EP0086742B1 (fr
Inventor
Rudolf Bührer
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.)
Teca Print AG
Original Assignee
Teca Print 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 Teca Print AG filed Critical Teca Print AG
Priority to AT83810043T priority Critical patent/ATE24443T1/de
Publication of EP0086742A1 publication Critical patent/EP0086742A1/fr
Application granted granted Critical
Publication of EP0086742B1 publication Critical patent/EP0086742B1/fr
Expired legal-status Critical Current

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Classifications

    • 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 machine according to the preamble of patent claim 1.
  • the pressure pad also called a tampon
  • the pressure pad is pressed onto the cliché, raised and then pressed against the object to be printed, in order to transfer the print image.
  • a pad printing machine of this type is known from Swiss Patent 546,644.
  • a spatula guide body is attached to the spatula support of this machine, which has a passage in which the spatula is slidably mounted.
  • the spatula is provided with a slot in the middle, in which a guide pin engages, in order to thereby limit the height of the spatula between two end positions.
  • the spatula made of sheet steel is pulled down by its own weight. In the lower end position, the lower edge of the spatula plunges a few millimeters into the paint container.
  • the immersion depth is dimensioned so that an optimal amount of color is transported onto the cliché.
  • the paint container In order to keep the optimal immersion depth fairly constant, the paint container must be refilled frequently. There is also no mixing of the paint because the spatula only ever penetrates the surface zone of the paint and the lower paint zones in the container remain motionless.
  • Another disadvantage of the known machine is that after cleaning the spatula and the spatula carrier, the exact position on the slide has to be adjusted and fixed, which has to be carried out very carefully and precisely and is therefore time-consuming.
  • the object of the invention is to create a pad printing machine in which the disadvantages mentioned are avoided. Regardless of the filling of the ink container, it should be possible to always transport the same amount of ink onto the cliché.
  • the paint should be mixed well periodically in the paint container. Furthermore, it should be possible to easily dismantle the squeegee, spatula and the spatula carrier for cleaning and reassemble without adjustment.
  • the pad printing machine shown in FIG. 1 has a machine base 1, which is provided on the front side with a table for the inking and printing plate holder 2.
  • a machine part 3 is arranged above this holder 2, to which the printing device 4 is fastened with the tampon 5.
  • the latter consists, for example, of silicone rubber or another elastic material.
  • the coloring device 6 comprises a color donor carriage 7, on which a spatula carrier 8 is fastened in a tiltable manner.
  • the cliché plate 9 is mounted on the holder 2.
  • the documents to be transferred are photographically applied to the plate and etched. After the coloring, the etched areas of the plate are filled with paint.
  • the tampon 5 is now lowered pneumatically onto the plate, then raised again after a predetermined stroke and moved forward or pivoted. Then it is pressed onto the object G to be printed.
  • the spatula support 8 is fastened to two lateral arms 10 of the slide 7 which is guided to move back and forth.
  • the latter is mounted such that it can be tilted about the axis 15, the tilting movement being effected by a rod 16 which can be moved back and forth relative to the slide 7.
  • the rod is articulated to the upper part of the spatula support 8 and is driven by control means, not shown.
  • the spatula 12 is inclined slightly backwards from the vertical (e.g. approx. 20 °). It is rectangular in shape and has a vertical slot 17, in which a pin 18 of the spatula head 11 loosely engages. This achieves the lateral guidance of the spatula 12 on the cliché.
  • the spatula also has a transverse recess 19, which is arranged below the vertical slot 17.
  • the recess 19 is laterally limited by the two narrow vertical wall parts 20 and below through the narrow plunge edge 21 and laterally each has a rounded slide 22.
  • the stroke limitation of the spatula 12 is selected such that the immersion edge 21 touches the bottom 24 of the paint container 23.
  • the ink container 23 has an inclined surface 25 which rises from the bottom 24 towards the cliché.
  • the spatula carrier 8 When the carriage 7 moves forward, the spatula carrier 8 is tilted upward, so that the doctor blade 13 does not touch the cliché.
  • the spatula 12 slides along the inclined surface 25 of the ink container 23 and pushes a layer of ink onto the cliché plate 9.
  • the same amount of ink is always removed from the container regardless of the immersion depth. Since the immersion edge 21 penetrates to the bottom of the container 23, the paint is mixed well with each immersion.
  • the spatula support 8 is tilted downward, so that the flexible doctor blade 13, which is also inclined to the rear, touches the plate 9.
  • the excess ink is stripped back by the cutting edge of the knife 13 from the printing plate 9 into the ink container.
  • the spatula slides in the container 22 on the paint surface without immediately dipping into the paint. This behavior can be explained by the low weight, as well as a flattening of approximately 15 ° at the immersion edge 21, which generates the buoyancy during the backward movement. As a result, the spatula only sinks through the paint to the bottom of the container 24 when the end position is at a standstill.
  • the pin 18 provided with a hole for the screw 14 is also included Press fit in the spatula head 11.
  • Its protruding part consists of an inner section 26 with a round cross-section and an enlarged outer section 27 with two parallel side surfaces 28, the spacing of which corresponds to the diameter of the round section 26, so that the spatula can be easily pushed on.
  • the parallel surfaces 28 are perpendicular to the lower edge of the spatula head 11.
  • spatula support 8 there is an insert 29 with a threaded bore 30 for the screw 14.
  • the part of the insert 29 facing the spatula head 11 is provided with an extension 31 in which a recess 32 is arranged, likewise with two parallel side surfaces 33.
  • An adjusting screw 34 is provided on each side of the spatula support and acts on a stop 35 arranged eccentrically to the axis of the insert 29.
  • the insert can be rotated and fixed in the spatula support by means of the screws 34.
  • the pin portion 27 penetrates into the recess 32, the mutual position being given by the parallel surfaces. Now the position of the spatula head is precisely adjusted by means of the screws 34, so that the knife edge 13 is aligned exactly parallel to the surface of the cliché.
  • the spatula 12 itself does not have to be aligned since it is held loosely by the inner pin section 26 and adapts itself to the surface of the cliché. With every further disassembly and assembly of the spatula head, a new alignment is no longer necessary, since the two parallel surfaces of the pin portion 27 and the recess 32 ensure precise positioning.
  • An articulated bearing 36 for the end of the rod 16 is arranged above the insert 29.
  • transverse slots 19 there may be several transverse slots 19 arranged next to one another in order to ensure the stability of the spatula.

Landscapes

  • Coating Apparatus (AREA)
  • Printing Methods (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)
EP83810043A 1982-02-12 1983-02-03 Machine d'impression au tampon avec dispositif d'encrage Expired EP0086742B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83810043T ATE24443T1 (de) 1982-02-12 1983-02-03 Tampondruckmaschine mit einer einfaerbevorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH90882 1982-02-12
CH908/82 1982-02-12

Publications (2)

Publication Number Publication Date
EP0086742A1 true EP0086742A1 (fr) 1983-08-24
EP0086742B1 EP0086742B1 (fr) 1986-12-30

Family

ID=4197976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810043A Expired EP0086742B1 (fr) 1982-02-12 1983-02-03 Machine d'impression au tampon avec dispositif d'encrage

Country Status (5)

Country Link
US (1) US4466348A (fr)
EP (1) EP0086742B1 (fr)
JP (1) JPS58148770A (fr)
AT (1) ATE24443T1 (fr)
DE (1) DE3368552D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811977C1 (fr) * 1988-04-11 1989-09-07 Tampoflex Gmbh, 7257 Ditzingen, De
DE3813056A1 (de) * 1988-04-19 1989-11-02 Tampoflex Gmbh Tragvorrichtung fuer rakeleinheit
US5456170A (en) * 1993-02-12 1995-10-10 Teca Print Ag Ink ball printing machine

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8331501U1 (de) * 1983-11-03 1984-02-02 TAMPOflex GmbH, 7257 Ditzingen Farbgeber fuer eine tampondruckmaschine
JPS6147639U (ja) * 1984-08-31 1986-03-31 ナビタス株式会社 パツド印刷機のインク供給装置
JPH037159Y2 (fr) * 1985-07-10 1991-02-22
DE3717179A1 (de) * 1987-05-22 1988-12-15 Tampoprint Gmbh Tampondruckmaschine
US5404818A (en) * 1993-05-06 1995-04-11 Odom; Jimmie L. Inking system for printing ink rollers
US5408926A (en) * 1994-02-15 1995-04-25 Alder; Robert A. Pad transfer printing doctor blade and method
US5603263A (en) * 1995-09-08 1997-02-18 Heidelberger Druckmaschinen Ag Scraper blade and ink scavenger for printing presses
US5832835A (en) * 1996-07-12 1998-11-10 Markem Corporation Soft doctoring cup
DE19644367A1 (de) * 1996-10-25 1998-04-30 Tampoflex Gmbh Antriebsvorrichtung für einen Schwenkkopf
US6248170B1 (en) * 1999-09-13 2001-06-19 Cf Technologies Swab device for coating an element
US6858082B2 (en) * 1999-09-13 2005-02-22 Cf Technologies Device for coating an element and coating process
US10265068B2 (en) 2015-12-30 2019-04-23 Ethicon Llc Surgical instruments with separable motors and motor control circuits

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408464A1 (fr) * 1977-11-09 1979-06-08 Brenot Claude Dispositif d'impression par report au coussin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911534A (en) * 1958-11-14 1962-11-28 Murray Curvex Printing Ltd Improvements in or relating to apparatus adapted for use in printing designs on articles by an offset printing process
US4060031A (en) * 1969-08-02 1977-11-29 Wilfried Philipp Printing method and apparatus for performing the printing method
CH546644A (de) * 1973-01-19 1974-03-15 Bachmann L Tecalcos Maschinenb Druckgeraet mit einer vorrichtung zur einfaerbung eines druckklischees.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2408464A1 (fr) * 1977-11-09 1979-06-08 Brenot Claude Dispositif d'impression par report au coussin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811977C1 (fr) * 1988-04-11 1989-09-07 Tampoflex Gmbh, 7257 Ditzingen, De
EP0337225A2 (fr) * 1988-04-11 1989-10-18 TAMPOflex GmbH Machine pour l'impression au tampon
EP0337225A3 (fr) * 1988-04-11 1990-05-09 TAMPOflex GmbH Machine pour l'impression au tampon
DE3813056A1 (de) * 1988-04-19 1989-11-02 Tampoflex Gmbh Tragvorrichtung fuer rakeleinheit
US5456170A (en) * 1993-02-12 1995-10-10 Teca Print Ag Ink ball printing machine

Also Published As

Publication number Publication date
US4466348A (en) 1984-08-21
DE3368552D1 (en) 1987-02-05
JPH0313982B2 (fr) 1991-02-25
EP0086742B1 (fr) 1986-12-30
ATE24443T1 (de) 1987-01-15
JPS58148770A (ja) 1983-09-03

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