Systems and methods for high speed variable printing
View Patent ↗Systems and methods for high-speed variable printing are provided. Ink jet technology and lithographic systems may be combined in such a way to create a fully variable and high-quality print system. At least one area of a plate is reserved for variable information to be printed. The plate may already comprises static information to be printed. Ink is then applied to the at least one area of the plate reserved for the variable information. An aqueous solution is applied to a web to produce a negative image of the variable information, and a positive image of the variable information is transferred in ink to the web. The systems and methods described herein may be used to create high-quality one-to-one marketing applications.
1. A method of producing a printed article using a printing deck, wherein the printing deck has an ink receptive surface, the method comprising the steps of:
applying ink to the ink receptive surface of the printing deck;
applying an aqueous solution to paper to define non-image and image areas thereon, wherein, before the aqueous solution is applied, both the non-image and image areas of the paper are receptive to the aqueous solution and ink, and wherein the aqueous solution is applied substantially only to the non-image area; and
contacting the non-image area having the aqueous solution and the image area with the ink applied to the ink receptive surface of the printing deck wherein ink is transferred substantially only to the image area of the paper to produce the printed article comprising ink on the paper, wherein the paper is other than an element of the printing deck and the aqueous solution substantially prevents transfer of ink to the non-image area.
2. The method of claim 1 , wherein the surface includes an area reserved for static information and an area reserved for variable information.
3. The method of claim 2 , wherein the step of contacting includes the step of transferring the ink from the area reserved for static information.
4. The method of claim 2 , wherein the step of contacting includes the step of transferring the ink from the area reserved for variable information.
5. The method of claim 2 , wherein the step of applying the ink includes the step of applying the ink to substantially the entire area reserved for variable information.
6. The method of claim 1 , further comprising the step of applying a coating to the paper before applying the aqueous solution to the paper.
7. The method of claim 6 , wherein the coating inhibits the paper from absorbing at least some of the aqueous solution.
8. The method of claim 1 , further comprising the step of receiving image data before applying the aqueous solution to the paper, wherein the non-image area is based at least in part on the image data.
9. The method of claim 1 , wherein the step of applying the aqueous solution to the paper comprises the step of printing the aqueous solution on the paper.
10. The method of claim 9 , wherein the step of printing is performed using at least one jet nozzle.
11. The method of claim 1 , wherein the step of applying the aqueous solution to the paper comprises jetting the aqueous solution to the paper.
12. The method of claim 11 , wherein the step of jetting is performed using at least one ink jet head.
13. The method of claim 1 , wherein the aqueous solution includes ethylene glycol, propylene glycol, or both.
14. The method of claim 1 , wherein the aqueous solution includes a surfactant.
15. The method of claim 1 , wherein the aqueous solution comprises a gel.
16. The method of claim 1 , wherein the paper is a sheet.
17. The method of claim 1 , wherein the paper is a web.
18. The method of claim 1 , wherein the surface is a surface of a cylinder.
19. The method of claim 18 , wherein the cylinder is a plate cylinder.
20. The method of claim 18 , wherein the cylinder is a blanket cylinder.
21. The method of claim 1 , wherein the surface is a surface of an endless belt.
22. The method of claim 1 , wherein the step of contacting comprises the step of transporting the sheet of paper at a speed of at least 400 feet per minute.
23. A method for producing a printed sheet using a printing deck, wherein the printing deck has an ink receptive surface, the method comprising the steps of:
applying ink to the ink receptive surface of the printing deck;
selectively applying an aqueous solution to a sheet to define non-image and image areas thereon, wherein, before the aqueous solution is applied, both the non-image and image areas of the sheet are receptive to the aqueous solution and ink, and wherein the aqueous solution is applied substantially only to the non-image was area; and
contacting the non-image area having the aqueous solution and the image was area with the ink applied to the ink receptive surface of the printing deck whereby ink is transferred substantially only to the image area of the sheet to produce the printed sheet comprising ink on the sheet, wherein the sheet is other than an element of the printing deck and the aqueous solution substantially prevents transfer of ink to the non-image area.
24. The method of claim 23 , wherein the surface includes an area reserved for static information and an area reserved for variable information.
25. The method of claim 24 , wherein the step of contacting includes the step of transferring the ink from the area reserved for static information.
26. The method of claim 24 , wherein the step of contacting includes the step of transferring the ink from the area reserved for variable information.
27. The method of claim 24 , wherein the step of applying the ink includes the step of applying the ink to substantially the entire area reserved for variable information.
28. The method of claim 23 , further comprising the step of applying a coating to the sheet before the step of applying the aqueous solution.
29. The method of claim 28 , wherein the coating inhibits the sheet from absorbing at least some of the aqueous solution.
30. The method of claim 23 , further comprising the step of receiving image data before the step of applying the aqueous solution to the sheet, wherein the non-image area is based at least in part on the image data.
31. The method of claim 23 , wherein the step of applying the aqueous solution to the sheet comprises the step of printing the aqueous solution on the sheet.
32. The method of claim 31 , wherein the step of printing is performed using at least one jet nozzle.
33. The method of claim 23 , wherein the step of applying the aqueous solution to the sheet comprises jetting the aqueous solution onto the sheet.
34. The method of claim 33 , wherein the step of jetting is performed using at least one ink jet head.
35. The method of claim 23 , wherein the aqueous solution includes ethylene glycol, propylene glycol, or both.
36. The method of claim 23 , wherein the aqueous solution includes a surfactant.
37. The method of claim 23 , wherein the aqueous solution comprises a gel.
38. The method of claim 23 , wherein the surface is a surface of a cylinder.
39. The method of claim 38 , wherein the cylinder is a plate cylinder.
40. The method of claim 38 , wherein the cylinder is a blanket cylinder.
41. The method of claim 23 , wherein the surface is a surface of an endless belt.
42. The method of claim 23 , wherein the step of contacting comprises the step of transporting the paper sheet at a speed of at least 400 feet per minute.
43. A method of producing printed paper using a printing deck, wherein the printing deck has a cylindrical ink receptive surface and an impression cylinder wherein a paper path is disposed between the cylindrical ink receptive surface and the impression cylinder, the method comprising the steps of:
applying lithographic ink to the ink receptive surface of the printing deck;
applying an aqueous solution to paper on a controllable point-by-point basis using at least one ink jet head to define non-image and image areas thereon, wherein the image area is substantially free of the aqueous solution, and, before the aqueous solution is applied, both the non-image and image areas of the paper are receptive to the aqueous solution and ink; and
passing the paper having aqueous solution applied thereon through the paper path to contact the non-image area having the aqueous solution and the image area with the lithographic ink applied to the ink receptive surface of the printing deck wherein lithographic ink is transferred substantially only to the image area of the paper to produce the printed paper, wherein the aqueous solution substantially prevents transfer of the lithographic ink to the non-image area and the paper is other than an element of the printing deck.
44. The method of claim 43 , wherein at least each of the steps of applying the aqueous solution and passing the paper is undertaken twice to produce first and second different printed papers.
45. The method of claim 44 , wherein the step of applying the aqueous solution is undertaken a first time to define a first image and is undertaken a second time after the first time to define a second image different than the first image.
46. The method of claim 45 , wherein the step of applying lithographic ink is undertaken each time the first and second different printed papers are produced.
47. The method of claim 43 , wherein the aqueous solution is applied as a liquid to the paper and remains in liquid form as the paper is contacted by the lithographic ink.
48. The method of claim 43 , wherein the paper is in the form of a web.
49. The method of claim 43 , wherein the paper is in the form of a sheet.
50. A method of producing first and second different printed papers using a printing deck, wherein the printing deck has a cylindrical ink receptive surface and an impression cylinder wherein a paper path is disposed between the cylindrical ink receptive surface and the impression cylinder, the method comprising the steps of:
applying lithographic ink to the ink receptive surface of the printing deck;
applying an aqueous solution in liquid form to paper on a controllable point-by-point basis using at least one ink jet head to define non-image and image areas thereon, wherein the image area is substantially free of the aqueous solution, and wherein, before the aqueous solution is applied, both the non-image and image areas of the paper are receptive to the aqueous solution and ink; and
passing the paper having the aqueous solution applied thereon through the paper path to contact the non-image area having aqueous solution and the image area with the lithographic ink applied to the ink receptive surface of the printing deck wherein lithographic ink is transferred substantially only to the image area of the paper to produce the printed paper, wherein the aqueous solution substantially prevents transfer of the lithographic ink to the non-image area and the aqueous solution remains in liquid form when the paper is contacted by the lithographic ink and the paper is other than an element of the printing deck, and wherein at least each of the steps of applying the aqueous solution and passing the paper is undertaken twice to produce first and second different printed papers.
51. The method of claim 50 , wherein the step of applying lithographic ink is undertaken each time the first and second different printed papers are produced.
52. The method of claim 51 , wherein the paper is in the form of a web.
53. The method of claim 51 , wherein the paper is in the form of a sheet.