WO2013105907A1 - Use of embossed printing in offset printing machines - Google Patents

Use of embossed printing in offset printing machines Download PDF

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Publication number
WO2013105907A1
WO2013105907A1 PCT/TR2012/000186 TR2012000186W WO2013105907A1 WO 2013105907 A1 WO2013105907 A1 WO 2013105907A1 TR 2012000186 W TR2012000186 W TR 2012000186W WO 2013105907 A1 WO2013105907 A1 WO 2013105907A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
embossing
paper
printing
soft layer
Prior art date
Application number
PCT/TR2012/000186
Other languages
French (fr)
Inventor
Dikmen Serhan
Original Assignee
Dikmen Serhan
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 Dikmen Serhan filed Critical Dikmen Serhan
Publication of WO2013105907A1 publication Critical patent/WO2013105907A1/en

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Classifications

    • 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

Definitions

  • the invention relates to an embossed (embossing) printing technique enabling the formation of embossment on paper, and to a configuration allowing the application of this embossed print in offset printing machines.
  • the present invention relates to a configuration which is integrated into cylinder group in order to allow embossing on the paper in offset printing machines and is characterised in that, it comprises an intermediate cylinder with a soft layer made of rubber and gum type on the outer surface, and an embossing die configured between the said intermediate cylinder and printing cylinder, which performs embossing on paper.
  • Offset printing machines comprise paint rollers; an offset printing block and a rubber cylinder in contact with the said block; and a printing cylinder, through which the paper passes, located under the rubber cylinder.
  • Offset printing is neither relief nor intaglio printing. It is flat printing.
  • Offset inks are wet-based inks, and printing process is performed due to the wet-pushing principle of water. After the design is prepared and film output is taken, it is taken to block exposure for print.
  • the non-exposed sections in the block (the transparent sections in the film) do not retain water although they pass over water roller. Other sections, however, retain water (or moistening agent).
  • the paint roller contacts the block the sections where water is present do not get paint.
  • the sections where water is not present hold paint and paint the rubber, the rubber, however, paints the paper which is on the block cylinder, thereby embossing process is performed.
  • Embossed printing i.e. embossing print
  • embossing print can be used to acquire dimension. After the whole embossing process is finished, one male and one female engraving are done for embossment. Embossing is performed by letterpress printing technique. For the foil gilding, on the other hand, only male engraving is used as block, and embossing is performed by foil-gilding apparatus mounted to the letterpress. In techniques currently used, embossing technique is applied using two engravings, by metal engraving and reciprocal application, only in letterpresses. However, this process are performed independently of each other in different machines. In other words, a machine and configuration which permits both printing and embossing in the same machine and environment does not exist.
  • the invention aims to provide a system with different technical properties, bringing an initiative in this field, unlike the configurations used within the state of the art.
  • a purpose of the invention is to perform embossing on paper by means of embossing die configured on the printing cylinder of the offset printing machine in offset printing machines.
  • Another purpose of the invention is to perform embossing directly on offset printing machine without any need for letterpress and metal engravings to emboss on paper, thereby to lower the cost and perform two operations on the same machine.
  • a further purpose of the invention is to decrease manufacturing processes for minimum levels as a result of the fact that embossing is performed directly on the offset printing machine.
  • a further purpose of the invention is to provide a system which can be used in offset printing machines as well, with only one engraving. Moreover, it is aimed to lower the cost due to the fact that they are made in the offset printing machines for the first time, and with one engraving.
  • the invention relates a configuration which is integrated into cylinder group in order to allow embossing on the paper in offset printing machines; and is characterised in that, it comprises an intermediate cylinder with a soft layer made of rubber and gum type on the outer surface, and an embossing die configured between the said intermediate cylinder and printing cylinder, which performs embossing on paper.
  • Fig. 1 is the representative two-dimensional side view of the configuration which is subject of the invention.
  • Fig. 1 illustrates two-dimensional side view of the cylinder groups (16) of the offset printing machine (10), and paint is transferred onto offset printing cylinder (12) and embossing die (12.1) configured on the said cylinder (12) by way of paint rollers (11 ).
  • An intermediate cylinder (13) with soft layer (13.1) in contact with offset painting cylinder (12); a printing cylinder (14), providing the creation of emboss effect on the paper (A), located under the said intermediate cylinder (13); and an embossing die (15) configured on the said cylinder are provided.
  • offset printing is performed between printing cylinders (12) and intermediate cylinder (13). Again, it is possible to create emboss effect on the paper (A) surface without any need for a further machine or configuration on this structure.
  • embossing die (15) is configured on printing cylinder (14). While the paper (A) passes between embossing die (15) and soft layer (13.1), the embossed surfaces on the embossing die (15) presses on the paper (A). Normally, it is required that a recessed hole corresponding to the embossment is provided on the opposite side in order that the embossing die (15) could create emboss effect on the paper (A). In other words, female and male elements with recessions/protrusions are needed. However, in the configuration which is the subject of the invention, it is possible to create emboss effect by means of a single male element, i.e. embossing die (15), without any need for a female, i.e. recessed configuration.
  • embossing die (15) creates emboss effect on the paper (A) while the paper (A) is passing between the intermediate cylinder (13) and printing cylinder (14).
  • This emboss effect is essentially provided by the soft layer (13.1) behind the paper (A).
  • Embossed surfaces are formed on the paper (A) due to the fact that the embossing die (15) applies force, and thus the opposite layer comprises soft layer (13.1) as a result of the this force.
  • the soft layer (13.1) on the intermediate cylinder (13) is gum, rubber, or a soft and/or elastic material of this type.
  • the invention is a method related to a configuration which is integrated into cylinder group (16) in order to allow embossing on the paper (A) in offset printing machines (10); comprising the following steps:

Abstract

The present invention relates to a configuration which is integrated into cylinder group (16) in order to allow embossing on the paper (A) in offset printing machines (10) and it is characterised in that; it comprises an intermediate cylinder (13) with a soft layer (13.1) on the outer surface and an embossing die (15) configured between the said intermediate cylinder (13) and printing cylinder (14).

Description

Description
USE OF EMBOSSED PRINTING IN OFFSET PRINTING MACHINES
Technical Field
The invention relates to an embossed (embossing) printing technique enabling the formation of embossment on paper, and to a configuration allowing the application of this embossed print in offset printing machines.
The present invention relates to a configuration which is integrated into cylinder group in order to allow embossing on the paper in offset printing machines and is characterised in that, it comprises an intermediate cylinder with a soft layer made of rubber and gum type on the outer surface, and an embossing die configured between the said intermediate cylinder and printing cylinder, which performs embossing on paper.
Prior Art
Offset printing machines comprise paint rollers; an offset printing block and a rubber cylinder in contact with the said block; and a printing cylinder, through which the paper passes, located under the rubber cylinder. Offset printing is neither relief nor intaglio printing. It is flat printing. Offset inks are wet-based inks, and printing process is performed due to the wet-pushing principle of water. After the design is prepared and film output is taken, it is taken to block exposure for print. The non-exposed sections in the block (the transparent sections in the film) do not retain water although they pass over water roller. Other sections, however, retain water (or moistening agent). When the paint roller contacts the block, the sections where water is present do not get paint. The sections where water is not present hold paint and paint the rubber, the rubber, however, paints the paper which is on the block cylinder, thereby embossing process is performed.
Embossed printing, i.e. embossing print, can be used to acquire dimension. After the whole embossing process is finished, one male and one female engraving are done for embossment. Embossing is performed by letterpress printing technique. For the foil gilding, on the other hand, only male engraving is used as block, and embossing is performed by foil-gilding apparatus mounted to the letterpress. In techniques currently used, embossing technique is applied using two engravings, by metal engraving and reciprocal application, only in letterpresses. However, this process are performed independently of each other in different machines. In other words, a machine and configuration which permits both printing and embossing in the same machine and environment does not exist.
Description of the Invention
The invention aims to provide a system with different technical properties, bringing an initiative in this field, unlike the configurations used within the state of the art.
A purpose of the invention is to perform embossing on paper by means of embossing die configured on the printing cylinder of the offset printing machine in offset printing machines.
Another purpose of the invention is to perform embossing directly on offset printing machine without any need for letterpress and metal engravings to emboss on paper, thereby to lower the cost and perform two operations on the same machine.
A further purpose of the invention is to decrease manufacturing processes for minimum levels as a result of the fact that embossing is performed directly on the offset printing machine.
A further purpose of the invention is to provide a system which can be used in offset printing machines as well, with only one engraving. Moreover, it is aimed to lower the cost due to the fact that they are made in the offset printing machines for the first time, and with one engraving. To achieve the above mention purposes, the invention relates a configuration which is integrated into cylinder group in order to allow embossing on the paper in offset printing machines; and is characterised in that, it comprises an intermediate cylinder with a soft layer made of rubber and gum type on the outer surface, and an embossing die configured between the said intermediate cylinder and printing cylinder, which performs embossing on paper.
Figures to Help Understand the Invention
Fig. 1 is the representative two-dimensional side view of the configuration which is subject of the invention.
Part References
10- Offset printing machine
11- Paint rollers
12- Offset printing cylinder
12.1 Offset printing block
13- Intermediate cylinder
13.1- Soft layer
14- Printing cylinder
15- Embossing die
16- Cylinder group
A- Paper Detailed Description of the Invention
Fig. 1 illustrates two-dimensional side view of the cylinder groups (16) of the offset printing machine (10), and paint is transferred onto offset printing cylinder (12) and embossing die (12.1) configured on the said cylinder (12) by way of paint rollers (11 ). An intermediate cylinder (13) with soft layer (13.1) in contact with offset painting cylinder (12); a printing cylinder (14), providing the creation of emboss effect on the paper (A), located under the said intermediate cylinder (13); and an embossing die (15) configured on the said cylinder are provided. As known, offset printing is performed between printing cylinders (12) and intermediate cylinder (13). Again, it is possible to create emboss effect on the paper (A) surface without any need for a further machine or configuration on this structure. The process of creating emboss effect on the paper (A) surface is performed as follows. Unlike the existing offset printing machines (10), here, an embossing die (15) is configured on printing cylinder (14). While the paper (A) passes between embossing die (15) and soft layer (13.1), the embossed surfaces on the embossing die (15) presses on the paper (A). Normally, it is required that a recessed hole corresponding to the embossment is provided on the opposite side in order that the embossing die (15) could create emboss effect on the paper (A). In other words, female and male elements with recessions/protrusions are needed. However, in the configuration which is the subject of the invention, it is possible to create emboss effect by means of a single male element, i.e. embossing die (15), without any need for a female, i.e. recessed configuration.
Namely, embossing die (15) creates emboss effect on the paper (A) while the paper (A) is passing between the intermediate cylinder (13) and printing cylinder (14). This emboss effect is essentially provided by the soft layer (13.1) behind the paper (A). Embossed surfaces are formed on the paper (A) due to the fact that the embossing die (15) applies force, and thus the opposite layer comprises soft layer (13.1) as a result of the this force. Preferably, the soft layer (13.1) on the intermediate cylinder (13) is gum, rubber, or a soft and/or elastic material of this type.
The invention is a method related to a configuration which is integrated into cylinder group (16) in order to allow embossing on the paper (A) in offset printing machines (10); comprising the following steps:
- positioning the embossing die (15) on the printing cylinder (14),
- forming the soft layer (13.1) on the intermediate cylinder (13),
- passing the paper (A) between the said soft layer (13.1 ) and embossing die (15),
- applying emboss on the paper (A) by the embossing die (15) and supporting the back surface of the paper (A) by the soft layer (13.1).

Claims

1- The invention relates to a configuration which is integrated into cylinder group (16), allowing embossing on the paper (A) in offset printing machines (10); and it is characterised in that; it comprises an intermediate cylinder (13) with a soft layer (13.1) on the outer surface and an embossing die (15) configured between the said intermediate cylinder (13) and printing cylinder (14).
2- A configuration according to Claim 1 and it is characterised in that; it comprises an embossing die (15) configured on the said printing cylinder (14).
3- A configuration according to Claims 1 and 2 and it is characterised in that; the soft layer (13.1) on the said intermediate cylinder (13) is made of gum, rubber, or an elastic material of this type.
4- The invention is a method related to a configuration which is integrated into cylinder group (16), allowing embossing on the paper (A) in offset printing machines (10); and it is characterised in that; it comprises the following steps in order to provide embossing without any need for a female die for applying emboss on the said paper (A):
- positioning the embossing die (15) on the printing cylinder (14),
- forming the soft layer (13.1 ) on the intermediate cylinder (13),
- passing the paper (A) between the said soft layer (13.1) and embossing die (15),
- applying emboss on the paper (A) by the embossing die (15) and supporting the back surface of the paper (A) by the soft layer (13.1 ).
5- A method according to Claim 4 and it is characterised in that; it comprises the step of digital posing on the said embossing die (15).
6- A method according to Claims 4 and 5 it is characterised in that; it comprises the step of performing emboss setting on the said embossing die (15).
PCT/TR2012/000186 2012-01-12 2012-11-23 Use of embossed printing in offset printing machines WO2013105907A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2012/00423A TR201200423A2 (en) 2012-01-12 2012-01-12 Application of embossed printing on offset printing machines.
TR2012/000423 2012-01-12

Publications (1)

Publication Number Publication Date
WO2013105907A1 true WO2013105907A1 (en) 2013-07-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2012/000186 WO2013105907A1 (en) 2012-01-12 2012-11-23 Use of embossed printing in offset printing machines

Country Status (2)

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TR (1) TR201200423A2 (en)
WO (1) WO2013105907A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513772A (en) * 1969-01-27 1970-05-26 Joseph Brasty Apparatus for embossing paper sheets in an offset printing press

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513772A (en) * 1969-01-27 1970-05-26 Joseph Brasty Apparatus for embossing paper sheets in an offset printing press

Also Published As

Publication number Publication date
TR201200423A2 (en) 2012-06-21

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