KR20110003783A - Rotary type color printing press - Google Patents

Rotary type color printing press Download PDF

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Publication number
KR20110003783A
KR20110003783A KR1020090061227A KR20090061227A KR20110003783A KR 20110003783 A KR20110003783 A KR 20110003783A KR 1020090061227 A KR1020090061227 A KR 1020090061227A KR 20090061227 A KR20090061227 A KR 20090061227A KR 20110003783 A KR20110003783 A KR 20110003783A
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KR
South Korea
Prior art keywords
printing
color
printing unit
paper
unit
Prior art date
Application number
KR1020090061227A
Other languages
Korean (ko)
Inventor
조한진
Original Assignee
조한진
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 조한진 filed Critical 조한진
Priority to KR1020090061227A priority Critical patent/KR20110003783A/en
Priority to PCT/KR2010/003531 priority patent/WO2011004965A2/en
Publication of KR20110003783A publication Critical patent/KR20110003783A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/04—Rotary letterpress machines for printing on webs
    • B41F5/16—Rotary letterpress machines for printing on webs for multicolour printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/02—Rotary intaglio printing presses for multicolour printing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printers Characterized By Their Purpose (AREA)

Abstract

PURPOSE: A double-sided color printing rotary printer configuration is provided to uniformly maintain the tension of a printed paper by allowing a printing paper passing through a printing unit to contact a bracket cylinder. CONSTITUTION: A double-sided color printing rotary printer configuration comprises: a first printing unit(100) including a first printing part that prints a first color on one surface of printing paper, and a second printing part, a third printing part, and a fourth printing part which are arranged at intervals around an outer surface of the first printing part and contacting the latter, and which sequentially print the first color, a second color, and a third color, respectively, on the opposite surface of the printing paper; and a second printing unit(200) including a fifth printing part that prints a fourth color on the opposite surface of the printing paper that has passed through the first printing unit, and a sixth printing part, seventh printing part, and eighth printing part which are contacted at intervals around an outer surface of the fifth printing part and which sequentially print the second color, the third color, and the fourth color, respectively, on the one surface of the printing paper.

Description

Duplex Color Printing Rototype Printing Machine Structure {Rotary type color printing press}

The present invention relates to a double-sided color printing roto type printing machine structure, and more particularly, while the tension of the paper passing through the printing unit is kept constant, the printing pin position of each unit is consistent, so that the print quality is good and the incidence of paper loss is 30. It can be lowered from% to 50%, it is small in volume, can be installed in a small space by occupying a small installation area, and can produce a wide-area printing machine capable of producing 1.5 times as compared to conventional printing machines at the same production cost. It's about structure.

In general, a rotatable printing machine is a device for printing printed matter, such as newspapers, magazines, pamphlets at high speed, and is a printing device of printing a printed object by pressing a cylindrical printed body.

1 and 2 illustrate a conventional rotatable color printing press, and FIG. 1 is a view showing a double-sided color tower rotary press for printing a newspaper mainly at high speed, and FIG. 2 is a high speed printing of a printed matter such as a magazine or a brochure. A diagram showing a commercial double-sided color printing machine for printing.

Referring to Figures 1 and 2, the conventional rotatable color printing machine is composed of first to fourth printing units (1 to 4) for printing letters or pictures of different colors on both sides of the printing paper, each printing Units 1 to 4 are provided with pairs of plate cylinders 5 and 6 and blanket cylinders 7 and 8 facing each other for printing different sides, and the butt cylinders 7 which are opposed to each other. Between 8), printing paper passes through line contact.

With this configuration, the conventional rototype printing machine has different colors on both sides of the printing paper 9 when the printing paper 9 passes between the blanket cylinders 7 and 8 of the respective printing units 1 to 4. A letter or picture is printed, the first color of which is respectively printed on both sides of the printing paper 9 when the printing paper 9 passes between the pair of blanket cylinders 7 and 8 of the first printing unit 1. This is printed, and the second color, the third color, and the fourth color are sequentially printed on both sides of the printing paper 9 while passing through the second to fourth printing units 2 to 4 in the same process.

However, the conventional rotatable printing machine has a printing paper that passes through each printing unit while the printing paper passes through the line contact between the Blanket cylinders, so that the printing paper shakes when the speed or tension of the printing paper is fed. This results in the problem that the position of the letters and pictures of a plurality of colors printed on the printing paper does not match as the color pins are separated, which causes the print content to be out of focus and the printing is not made accurately, resulting in a high incidence of damage. There is a problem.

In addition, since the conventional rototype printing machine is composed of four printing units, there is a problem in that the structure is complicated and the manufacturing and installation costs are increased due to a large occupying the installation area.

The present invention has been made to solve the above problems, the printing paper passing through the printing unit is in contact with the surface of the Blanket cylinder to be printed, the tension of the printing paper is kept constant, the printing pin of each unit Due to the consistent position, it is possible to reduce 30% to 50% of paper loss compared to conventional printing presses, which is equivalent to the purchase price of the machine when used for the life of a rotary press (about 30 years). It is an object of the present invention to provide a color printing rototype printing press structure.

In addition, by forming a rotatable color printing machine capable of double-sided color printing by using two printing units, the structure of the rotatable printing machine can be simplified, and the volume of the rotatable printing machine can be reduced, making it easy to install in a small space, and high speed. The purpose of the present invention is to provide a double-sided color printing roto type printing press structure.

In addition, the biggest point of the present invention is that the type of printing machine has developed from simple text printing to high speed printing machine to high speed printing machine to high speed printing machine in accordance with the increase in the number of prints with the increase of the current population and the rapid delivery of high quality information as the information volume increases. Now, we have developed a high-speed, high-quality color printing machine that can print about 60,000 copies per hour, and the printing machine structure of this patent application can produce 1.5 times prints with similar production cost compared to the current high-speed high-end printing machine. The purpose is to provide a double-sided color printing roto type printing press structure.

The present invention for achieving the above object is, in the rototype printing machine for printing a printed matter, the first printing portion for printing the first color on one surface of the printing paper and the interval along the outer peripheral surface of the first printing portion A first printing unit having a second printing unit, a third printing unit, and a fourth printing unit which are in contact with each other and sequentially print a first color, a second color, and a third color on the other surface of the printing paper; A fifth printing unit for printing a fourth color on the other surface of the printing paper that has passed through the first printing unit, and a second color is in contact with each other at intervals along the outer circumferential surface of the fifth printing unit, respectively; And a second printing unit comprising a sixth printing portion, a seventh printing portion, and an eighth printing portion, which sequentially print the third color and the fourth color.

In addition, each of the first to eighth printing portion, the Blanket cylinder is in contact with the printing paper, and prints the color on the printing paper; And a plate cylinder in contact with the blanket cylinder and supplying ink to the blanket cylinder.

In addition, a blanket cylinder of the second to fourth printing parts is in contact with the blanket cylinder of the first printing part at intervals along the outer circumferential surface, respectively, and the blanket cylinder of the first printing part and the second to fourth printing parts are contacted. The printing paper passes between the negative blanket cylinders, and the printing of the first color, the second color, and the third color is performed on one surface and the other surface of the printing paper.

In addition, a blanket cylinder of the sixth to eighth print parts is in contact with a blanket cylinder of the fifth print part at intervals along an outer circumferential surface, and a blanket cylinder of the fifth print part and the sixth to eighth prints are respectively contacted. The printing paper passes between the negative blanket cylinders to print the second color, the third color, and the fourth color on the other side of the printing paper and the fourth color.

In addition, between the first printing unit and the second printing unit is characterized in that it further comprises a guide roller for guiding and adjusting the tension of the printing paper.

As described above, the double-sided color printing rotatable printing machine structure according to the present invention, while the tension of the paper passing through the printing unit is kept constant, the position of the printing pin of each unit is matched to reduce the amount of waste paper generated by 30% to 50%. Unlike conventional rotary presses that consist of a large number of existing printing units, they consist of only two printing units, resulting in low machine manufacturing costs, installation in a small area, and high-speed printing and wide presses. It is possible to produce a printing press that can be increased by 1.5 times as much as the production cost compared to the existing printing machine.

Hereinafter, embodiments of the present invention will be described in detail, but the present invention is not limited to the following embodiments without departing from the gist of the present invention.

3 is a view showing the structure of a four-color double-sided color printing web printing press according to a first embodiment of the present invention.

Referring to FIG. 3, the rotatable printing machine structure according to the first embodiment of the present invention includes a first printing unit 10 for printing a first color on one surface (right side) of the printing paper 9, and the first printing unit 10. 1 The second printing unit 20 which contacts each other at intervals along the outer circumferential surface of the printing unit 10 and sequentially prints the first color, the second color, and the third color on the other surface (left side) of the printing paper 9, respectively. On the other side (left side) of the first printing unit 100 including the third printing unit 30 and the fourth printing unit 40 and the printing paper 9 passing through the first printing unit 100. The fifth printing unit 50 for printing the fourth color and the fifth printing unit 50 are contacted with an interval along the outer circumferential surface of the fifth printing unit 50, respectively, and the second color The second printing unit 200 includes a sixth printing unit 60, a seventh printing unit 70, and an eighth printing unit 80, which sequentially print three colors and a fourth color.

As described above, the first printing unit 100 includes the first printing unit 10, the second printing unit 20, the third printing unit 30, and the fourth printing unit 40, and the second printing unit. The unit 200 includes a fifth printing unit 50, a sixth printing unit 60, a seventh printing unit 70, and an eighth printing unit 80 to print on both sides of the printing paper 9. Each of the printing unit 10 to 80 is in contact with the printing paper 9 and the Blanket cylinder (11, 21, 31, 41, 51, 61, 71, 81) to print the color on the printing paper; Contacting the blanket cylinders 11, 21, 31, 41, 51, 61, 71, 81 to supply ink to the blanket cylinders 11, 21, 31, 41, 51, 61, 71, 81. Plate cylinders 12,22,32,42,52,62,72,82.

The first printing unit 100 is provided with a blanket cylinder 11 of the first printing unit 10 at a central portion thereof, and a plate cylinder of the first printing unit 10 at the right side of the blanket cylinder 11 ( 12 is in contact with each other, the outer circumferential surface of the blanket cylinder 11 of the first printing unit 10 is the Bran of each of the second printing unit 20, the third printing unit 30 and the fourth printing unit 40 The ket cylinders 21, 31, and 41 are sequentially in contact with each other. The Brankett cylinder 21 of the second printing unit 20 is located below the Brankett cylinder 11 of the first printing unit 10. The blanket cylinder 31 of the third printing unit 30 is in contact with the left side, and the blanket cylinder 41 of the fourth printing unit 40 is in contact with the left side. In addition, the blanking cylinders 21, 31, and 41 of the second printing unit 20, the third printing unit 30, and the fourth printing unit 40 respectively correspond to the predetermined positions of the printing units 20, 30, and 40. Plate cylinders 22, 32 and 42 are in contact with each other.

The second printing unit 200 is connected to the upper portion of the first printing unit 100 and has a structure opposite to that of the first printing unit 100.

To explain this, the second printing unit 200 is provided with a blanket cylinder 51 of the fifth printing unit 50 in the center portion of the second printing unit 50 on the left side of the blanket cylinder 51. The plate cylinder 52 is in contact, and the sixth printing unit 60, the seventh printing unit 70 and the eighth printing unit 80 on the outer circumferential surface of the blanket cylinder 51 of the fifth printing unit 50. Each of the blanket cylinders 61, 71, and 81 is sequentially in contact with the blanket cylinder of the sixth printing part 60 at the lower side, centering on the blanket cylinder 51 of the fifth printing part 50. 61 is contacted, the Blanket cylinder 61 of the seventh printing unit 60 is in contact with the right side, and the Blanket cylinder 81 of the eighth printing unit 80 is in contact with the upper side. In addition, the blanking cylinders 61, 71, and 81 of the sixth printing unit 60, the seventh printing unit 70, and the eighth printing unit 80 each have a corresponding printing unit 60, 70, 80. Plate cylinders 62, 72 and 82 are in contact with each other.

A guide roller 90 may be further included between the first printing unit 100 and the second printing unit 200, and the guide roller 90 performs guide and tension adjustment of the printing paper.

Next, a description will be given of the operating state of the double-sided color printing web printing press according to the first embodiment of the present invention configured as described above.

Referring to FIG. 3, the rotatable printing machine structure according to the first embodiment is a rotatable printing machine structure in which a traveling path of the printing paper 9 is configured in an up and down structure, and the printing paper is moved from the lower side to the first printing unit 100. When the (9) enters, it passes between the Brankett cylinder 11 of the first printing unit 10 and the Brankett cylinder 21 of the second printing unit 20 to the one surface (right side) of the printing paper 9 The first color is printed on the first color and the other surface (left), and the blankett cylinder 31 of the third printing unit 30 is formed along the outer circumferential surface of the blankett cylinder 11 of the first printing unit 10. 4, the second color and the third color are sequentially printed on the other surface (left side) of the printing paper, passing through the blanket cylinder 41 of the printing section 40 in sequence.

Here, the printing paper 9 passing through each of the blanket cylinders 11, 21, 31, and 41 is in surface contact between the point A and the point B to proceed with printing.

The printing paper 9, from which the printing is completed from the first printing unit 100, passes through the guide roller 90 and enters the second printing unit 200, which is a blanket cylinder 51 of the fifth printing unit 50. And a fourth color is printed on one side (right side) of the printing paper 9 and the fourth color on the other side (left side) by passing between the blanket cylinder 61 of the sixth printing unit 60 and the fifth printing unit. One surface of the printing paper 9 passes through the blanket cylinder 71 of the seventh printing part 70 and the blankett cylinder 81 of the eighth printing part in order along the outer circumferential surface of the blankett cylinder 51 of 50. The third color and the fourth color are sequentially printed on the right side and discharged to the upper portion of the second printing unit 200.

Here, the printing paper passing through each of the blanket cylinders 51, 61, 71, and 81 is surface-contacted between point C and point D to proceed with printing.

With this configuration and operation, the double-sided color printing rotatable printing machine structure according to the present invention can be double-sided color printing by using two printing units as a whole can simplify the structure of the rotatable printing machine structure, and also the first printing unit and When passing through the second printing unit, the surface contact with the plurality of blanket cylinders, so the tension of the printing paper is kept constant so that the color pin setting positions of the different colors printed in each printing unit are not misaligned. The accuracy of the printed image can be improved, and the amount of waste paper can be reduced.

4 is a view showing the structure of a four-color double-sided color printing web printing press according to a second embodiment of the present invention.

Referring to FIG. 4, the rotatable printing machine structure according to the second embodiment is formed in the same configuration as the rotatable printing machine structure of the first embodiment described above, but the first printing unit 300 and the second printing unit 400 are disposed. It is a rototype printing machine structure in which the traveling path of the printing paper 9 has a left and right structure by changing the arrangement of the first printing unit 110 to the eighth printing unit 180. This rotatable printing machine structure is suitable as a structure of a commercial rotatable printing machine for printing magazines or pamphlets.

In the first printing unit 300, a blanket cylinder 111 of the first printing unit 110 is provided at a central portion thereof, and the Freight cylinder of the first printing unit 110 is disposed at an upper right side of the blanket cylinder 111. 112 is in contact with the outer circumferential surface of the Blanchett cylinder 111 of the first printing unit 110, the second printing unit on the lower right side centering on the Blanchett cylinder 111 of the first printing unit 110 The Blanket cylinder 121 of 120 is contacted, and the Blanket cylinder 131 of the third printing unit 130 is in contact with the lower left side, and the Blanket cylinder of the fourth printing unit 140 is in the upper left corner ( 141 is contacted. In addition, the plate cylinders 122, 132, and 142 of the printing units 120, 130, and 140 are positioned at the predetermined positions of the blanket cylinders 121, 131, and 141 of the second printing unit 120, the third printing unit 130, and the fourth printing unit 140, respectively. Each is in contact.

The second printing unit 400 is connected to an upper portion of the first printing unit 300 and has a structure opposite to that of the first printing unit 300.

To explain this, the second printing unit 400 is provided with a blanket cylinder 151 of the fifth printing unit 150 in the center portion, and the fifth printing part 150 at the lower left side of the blanket cylinder 151. Plate cylinder 152 of the fifth printing unit 150, the outer peripheral surface of the blanket cylinder 151 of the fifth printing unit 150, the center of the blanket cylinder 151 of the fifth printing unit 150, 6, the Blanchett cylinder 161 of the printing unit 160 is in contact, the Blanchett cylinder 171 of the seventh printing unit 170 is in contact with the upper right side, and the bran of the eighth printing unit 180 at the upper left side. The ket cylinder 181 is in contact. In addition, platelets cylinders 162, 172, 182 of the printing units 160, 170, and 180 are provided at a predetermined position in the blanket cylinders 161, 171, and 181 of the sixth printing unit 160, the seventh printing unit 170, and the eighth printing unit 180, respectively. Each is in contact.

The operating state of the rototype press according to the second embodiment of the present invention is printed in the same operation method as the above-described first embodiment, as shown in Figure 4, the right side of the first printing unit 300 When the printing paper enters in the surface contact along the outer circumferential surface of the blanket cylinder 111 of the first printing unit 110 and the blanket cylinder 121 of the second printing unit 120, of the third printing unit 130 First pass through the blanket cylinder 131 and the blanket cylinder 141 of the fourth printing unit 140 in order, the first color on one side (right) of the printing paper 9 and the first color on the other side (left), Two colors and a third color are sequentially printed, and the second printing unit 400 is in surface contact along the outer circumferential surface of the blanket cylinder 151 of the fifth printing unit 150 to cause the bran of the sixth printing unit 160 to be printed. Printing paper passing through the ket cylinder 161, the Brankett cylinder 171 of the seventh printing unit 170 and the Brankett cylinder 181 of the eighth printing unit 180 in order. The second color, the third color, the fourth color and the fourth color are sequentially printed on one side (right) of (9) and then discharged to the left side of the second printing unit 400.

As described above, the double-sided color printing rotatable printing machine structure according to the present invention, while the tension of the paper passing through the printing unit is kept constant, the position of the printing pin of each unit is matched to reduce the amount of waste paper generated by 30% to 50%. Unlike conventional rotary presses, which consist of a large number of printing units, they consist of only two printing units, resulting in low machine manufacturing costs, installation in a small area, and high-speed printing and wide printing presses. It is possible to expect the effect of increased production due to wide printing.

As those skilled in the art to which the present invention pertains, the present invention may be modified in various ways without departing from the spirit of the present invention. .

1 is a view showing a double-sided color tower rotary press for printing a newspaper according to the prior art

Figure 2 shows a commercial double-sided color printing machine according to the prior art

3 is a view showing the structure of a four-color double-sided color printing roto type printing machine according to a first embodiment of the present invention

4 is a view showing the structure of a four-color double-sided color printing web printing press according to a second embodiment of the present invention

<Explanation of symbols for the main parts of the drawings>

10: first printing unit 20: second printing unit

30: third printing unit 40: fourth printing unit

50: fifth printing unit 60: sixth printing unit

70: seventh printing part 80: eighth printing part

11,21,31,41,51,61,71,81: Blanket cylinder

12,22,32,42,52,62,72,82: Freight cylinder

90: guide roller 100: first printing unit

200: second printing unit 9: printing paper

Claims (5)

In a rototype printing machine that prints printed matter, A first printing unit which prints a first color on one side of the printing paper, A second printing unit, a third printing unit, and a fourth printing unit which are in contact with each other at intervals along the outer circumferential surface of the first printing unit and sequentially print the first color, the second color, and the third color on the other surface of the printing paper, respectively. A first printing unit made of; A fifth printing unit for printing a fourth color on the other surface of the printing paper which has passed through the first printing unit; A sixth printing unit, a seventh printing unit, and an eighth printing unit which are in contact with each other at intervals along the outer circumferential surface of the fifth printing unit and sequentially print the second, third, and fourth colors on one surface of the printing paper, respectively. A double-sided color printing web printing machine structure comprising a second printing unit made of. The method of claim 1, The first to eighth printing unit, respectively A blanket cylinder which is in contact with printing paper and prints color on the printing paper; And a plate cylinder in contact with the blanket cylinder and supplying ink to the blanket cylinder. The method of claim 1, In the blanket cylinder of the first printing unit, Blanket cylinders of the second to fourth printing units are in contact with each other at intervals along the outer circumferential surface, and printing paper passes between the blanket cylinders of the first printing unit and the blanket cylinders of the second to fourth printing units. A double-sided color printing web printing machine structure, wherein a first color, a second color, and a third color are printed on one side of a sheet of paper and on the other side of a sheet of paper. The method of claim 1, In the blanket cylinder of the 5th printing part, Blanket cylinders of the sixth to eighth printing parts are in contact with each other at intervals along the outer circumferential surface, and printing paper passes between the blanket cylinders of the fifth printing part and the blanket cylinders of the sixth to eighth printing parts. A double-sided color printing web printing machine structure, wherein a fourth color and a second color, a third color, and a fourth color are printed on one side of a sheet of paper. The method of claim 1, A double-sided color printing rotoprinter structure, further comprising a guide roller for guiding and adjusting tension of the printing paper between the first printing unit and the second printing unit.
KR1020090061227A 2009-07-06 2009-07-06 Rotary type color printing press KR20110003783A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020090061227A KR20110003783A (en) 2009-07-06 2009-07-06 Rotary type color printing press
PCT/KR2010/003531 WO2011004965A2 (en) 2009-07-06 2010-06-01 Double-sided color printing rotary printer configuration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090061227A KR20110003783A (en) 2009-07-06 2009-07-06 Rotary type color printing press

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KR20110003783A true KR20110003783A (en) 2011-01-13

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WO (1) WO2011004965A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109016796A (en) * 2018-09-02 2018-12-18 佛山鹏程易胜机械有限公司 A kind of polychrome flexographic presses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790839B2 (en) * 1998-12-10 2006-06-28 秋山 守由 Cylinder arrangement of double-sided multi-color offset printing press
KR100501959B1 (en) * 2003-02-06 2005-07-20 조충 Rotary press
JP4486492B2 (en) * 2004-12-28 2010-06-23 三菱重工業株式会社 Sheet-fed duplex printing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109016796A (en) * 2018-09-02 2018-12-18 佛山鹏程易胜机械有限公司 A kind of polychrome flexographic presses

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WO2011004965A3 (en) 2011-04-14

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