US755948A - Multicolor and text printing press. - Google Patents

Multicolor and text printing press. Download PDF

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Publication number
US755948A
US755948A US13156102A US1902131561A US755948A US 755948 A US755948 A US 755948A US 13156102 A US13156102 A US 13156102A US 1902131561 A US1902131561 A US 1902131561A US 755948 A US755948 A US 755948A
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cylinder
color
printing
roller
impression
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US13156102A
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David Robert Hermann Sieberth
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David Robert Hermann Sieberth
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F3/00Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed
    • B41F3/18Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed of special construction or for particular purposes
    • B41F3/42Cylinder presses, i.e. presses essentially comprising at least one cylinder co-operating with at least one flat type-bed of special construction or for particular purposes for multicolour printing on sheets

Description

No.755,948.v PATBNTED MAR.29,19'04.
D. R. H. SIEBERTH.-
MULTIGOLOR AND TEXT PRINTING PRESS. APPLIOATION FILED Nov; 15, 1902.
no MODEL. 3 SHEETS-SHEET. 1.
Witnesses: fmventor; 5- 9% 7 12221175 Earth.
Attorney rm: uonm's mans co, Bumourna, wnsumomu, a. c.
No. 755,948. PATENTED MAR. 29, 1904.
D. R. H. SIEBERTH.
MULTIGOLOR AND TEXT PRINTING PRESS.
nrmmnon rum) 110K151 19oz.
N0 MODEL. 3 SHEETS-SHEET 2.
Witnesses.- v Inventor- A 57 fififi sz'eerth cams PEYEIIS o0. vnut uumod WASHINGTON D c PATENTED MAR. 29, 1904.
I D. R. H. SIEBERTH. MULTICOLOR AND TEXT PRINTING PRESS.
APPLIOATION FILED NOV. 15. 1902.
3 SHEETS-SHEET 3.
H0 MODEL.
Patented March 29, 1904. I
" UNIT D STATES PATENT OFFICE.
DAVID ROBERT HERMANN SIEBERTH, OF CHRISTIANIA, NORWAY.
MULTICOL O R AND TEXT PRINTING PRESS- SPEOIFIGATION forming part of Letters Patent No. 755,948, dated March 29, 1904.
Application filed November 15, 1902. Serial No. 131,561. (No model.)
To all whom zit may concern:
Be it known that I, DAVID ROBERT HER- MANN SIEBERTH, master printer, a subject of the King of Sweden and Norway, residing at Toldbodgaden 31, Christiania, Norway, have invented new and useful Improvements in Multicolor and Text Printing-Presses, of-
which the following is a specification.
The subject of the present invention relates to an apparatus which serves not only to transfer any desired number of colors in one operation to the material or paper to be printed, but also at the same-time to print'the outline and text of the letter-press or design upon the colors.
Mechanisms for the production of several colors at a single operation of the machine are already known; but the drawback to the single-operation multiple-color printing as hitherto known as compared with that of the present invention consists in that byv the older processes there could never be attained by the single operation of one machine the simultaneous printing of the contour as well as of the letter-press.
The present invention consists in utilizing a hollow or recessed impression-cylinder in a quick pressor the entire printing-cylinder in a rotating machine, so that for the practical production of the print of a multiple-color impression the absolutely-necessary contour and letter-press of the sentence or design may be printed together with the colors and this on only one single passage of the material to be printed through the machine. Moreover, the machine can when not required for multiplecolor printing easily be rendered available for ordinary printing.
The invention is illustrated in the accompanying drawings, in which Figures 1 and 2 illustrate a machine diagrammatically in two different positions.
Figs. 3 to 12 illustrate a similar machine of a different construction in the various operative positions.
The machine, Figs. 1 and 2, has an impression-cylinder 1, upon which the color-forms 2 3 4, prepared for printing, are fixed. The drawings illustrate, by way of example, a machine for printing in three colors. The colorforms of the form-cylinder 1 comprise each one a quadrant of the circumference, while the fourth quadrant 5 is left blank. The forms are brought by means of suitable adjustments and markings into exact register, so that they consecutively deliver the colors supplied from the color mechanism A B C upon a collectingroller 6. When the collecting-roller has received all the colors in this way, it is pressed down by means of elevations at each side of the blank quadrant 5 upon the printing-form cylinder 7 which latter then receives the colors collected andmixed. As soon as the blank quadrant 5 has passed over, the collectingroller 6 is raised again against the form-cylinder in order to receive new coloring. For this purpose the cylinder 1 is four times as large as the collecting-roller 6 and the printingform cylinder 7, and all these three cylinders are continuously in motion and are in rigid rotary connection with one another. The elastic color-transfer or inking rollers 8 are in uninterrupted contact with the color-cylinders 9, whichtake up their colors from the corresponding color-holders A B C. By means of suitable and well-known devices the inkingrollers 8 are each depressed upon its respective color-form as it passes and are moved the machine at the moment in which the blank quadrant 5 has just passed by, and the collecting and transfer roller 6 has then given up its color to the printing-form cylinder 7 In the next-moment the collecting and transfer roller 6 again springs against the quadrant 2 of the cylinder 1 in order to receive color again, and the impression-cylinder 10, which has a diameter double that of the printing-form cylinder 7 and the teeth of which are cut away at certain points of the circumference, is again set in motion, so that its teeth .are engaged by the teeth of the cylinder 7. As soon thereafter as the point of contact 11 between the cylinders 6 and 7 is moved tween the cylinders 7 and 10, and the colorprinting takes place at a single complete revolution of the cylinder 7 and a half-revolution of the cylinder 10. When the point 12 reaches its lowermost position, it strikes against the commencing-point of the plate 14 here shown, which is provided with a form-plate containing the contour and the text, and takes up the desired color from the color mechanism D. The contour and text printing is thus effected. The completely-printed paper passes after the said contour and text printing in the wellknown manner upon an endless band 15 and is finally delivered to a table 16.
Fig. 2 shows the position of the parts when the impression-cylinder has effected one-half its revolution. The impression-cylinder continues its revolution until the point 12 has reached its commencing-point, Fig. 1, and then stands still fora corresponding period namely, that corresponding to a complete revolution-While the plate 14, in order to receive fresh color from the part D, draws itself back and then moves forward again in order to effect a new imprint. It will be obvious, therefore, that during one operation of the machine the plate 14 moves once to and fro, the form-cylinder 1 makes a complete revolution, and the collecting-roller 6 and the printing-form cylinder 7 make four complete revolutions, whereas the impression-cylinder 10 effects one revolution and remains standing a corresponding period.
In Figs. 3 to 12 there is illustrated in various operative positions a further modification of the machine particularly applicable if a special color is to be strengthened or is to be printed upon all the othersfor instance,
if it be desired to print with one color shading or veins which form lines entirely uninterrupted by the other color lines or surfaces. In this case the printing-form cylinder must have this color specially, and before all the others, put upon it. In the present constructional example there is illustrated a machine for printing three colorsfor instance, yellow, red, and blueof which the yellow is specially to be emphasized. In order to avoid dense streaks or bands, which only take up the colors partially or incompletely, the quadrants of the platen-cylinder 1 are arranged in the manner shown in Fig. 3, and a collectingroller 17 is provided for the red and the blue colors and another roller 18 for the yellow color. The color-quadrants of the cylinder 1 are indicated for red and blue with 19 and 20, and that for the yellow with 21, and the quadrant 21 is a little displaced in relation to the two other quadrants. The various motions and operations which these parts perform are described below.
Fig. 3: Here the roller 17 begins to take the red color from the quadrant 19 and does not touch the cylinder 7. The roller 18 for the yellow delivers the color to the cylinder 7 which it has previously received from the quadrant 21. The plate 14 moves to the left.
Fig. 4: The form-cylinder 1 has completed a half-revolution and has given consecutively red and blue colors to the collecting-roller 17, which latter is kept inoperative at this moment, so that it does not touch either the cylinder 1 or the cylinder 7. The roller 18 has given up its yellow color to the cylinder 7 and is now held inoperative and the impression-cylinder 10 stands still. The plate 14 moves to the right. i
Fig. 5: In this position the roller 18 is pressed against the cylinder 1 and commences to take up the yellow color from the quadrant 21. The roller 17 is inoperative, the impression-cylinder 1O stands still, and the plate 14 moves to the right.
Fig. 6: Here the roller 17 is pressed against the cylinder 7, because the point 22, where the form of the roller 17 commences, engages the commencement-point 23 of the cylinder 7. Red and blue colors are therefore given from this moment onto the collecting-cylinder 7, while the roller 18 continues to take up yellow color from the quadrant 21. Theim pression-cylinder 10 stands still and the plate 14 moves to the right.
Fig. 7: WV hen the points 23 and 24 come opposite to one another, the impression-cylinder 10 is set in motion. The roller 17 gives continuously blue and red color to the cylinder 7, which previously has received yellow color from the roller 18. This roller 18 now again receives yellow color from the quadrant 21. The plate 14 is now in its extreme position to the right.
Fig. 8: The commencing-point 23 of the printing-form cylinder 7 has now encountered the commencing point 12 of the impressionsurface of the impression-cylinder and after the paper or material to be printed has passed between the cylinders 10 and 7 the color-printing commences at 12 and 23. Under this there comes also as the parts move on the point 24 of the roller 18 into contact with the end point of the quadrant 21, and the roller 18 is ready to take up the yellow color for which it is held out of action.
Fig. 9: The color-printing continues between the cylinder 10 and 7. The points 22 and 23 of the roller 17 and the cylinder 7 are in contact and the cylinder 7 has received entirely the red and the blue colors from the roller 17, upon which the roller 17 is held out of action. The roller 18 is also out of action and the plate 14 moves to the left in order at the next moment to meet the point 12 of the impression-cylinder 10 and produce the contour and text print.
Fig. 10: The points 23 and 24 come here together and the roller 18 has been pressed down upon the cylinder 7 in order to give yellow color for the next print. The color-printing and also the contour and text print proceed continuously. On further movement the point and means for bringing the text-form and the 22 meets the commencing-point of the quadrant 19. (See Fig. The roller 17 is therefore raised and begins to take up red color for the next print.
Fig. 11: The color-printing is here finished. The roller 17 takes red color from the quadrant 19 and the roller 18 gives yellow color to the cylinder 7 for the next print. The contour and the text printing proceeds continuously.
Fig. 12: The contour and text print is finished. The roller 17 continues to take up the red color and roller 18 gives yellow color to the cylinder 7. The impression-cylinder 10 turns further until the plate reaches its outermost position to the left, whereupon the impression-cylinder stops and the plate moves to the right in order to take up fresh color from the mechanism D. (See Figs. 1 and 2.)
The same operations are now repeated from the position shown in Fig. 4 to Fig. 12, and it is obvious that for each revolution of the cylinder 1 and each to-and-fro motion of the plate 14 a single impression is obtained upon the paper or the like.
Practical experiments have proved that with this machine multiple-color printing-for example, that known as three-color printing in which the three complementary colors, yellow, blue, and red, are made use of, can be effected very perfectly, together with contour and text in black or another color. In this manner newspapers and the like in which colored pictures are inserted together with ordinary print can be as quickly and perfectly produced as by other processes in which the paper must pass through the press at least'twice, namely one for the color-print and the second time for the contour and text print.
Having now. described my invention, What I claim as new, and desire to secure by Letters Patent, is
1. In a multicolor and text printing press, in combination, a plurality of color-forms, a black ink or text form, an impression-cylinder, a color collecting and printing cylinder color collecting and printing cylinder into contact with the impression-cylinder at diiferent points during the same revolution thereof.
2. In a multicolor and text printing-press,
in combination, a form-cylinder adapted to ate'xt-form and means for bringing said textform and the color transferring mechanism into contact with the impression-cylinder at difie'rent points in the same revolution of the impression-cylinder.
3. In a multicolor and text printing press, in combination, a plurality of color-forms, an impression-cylinder having its impressionsurface extending about a portion only of its periphery and of greater radius than the rest thereof, means for transferring the colors from said forms to the impression-cylinder, a flat text-form, and means for reciprocating it to contact with the impression-surface and to return beneath the part thereof having the smaller radius.
4. In a multicolor and text printing press, in combination, an impression cylinder, a plurality of colorforms, a collecting and printing cylinder receiving color from all of said color-forms, a flat or bed plate containing the black or text matter and means for bringing said color-printing cylinder and the textplate into contact with the impression-cylinder at difierent points in the same revolution thereof.
5. In a multicolor-printing machine,in combination, a color-form cylinder having its periphery divided into equal spaces one greater in number than the number of difierent color-forms which it is intended to receive, an impression-cylinder, a collecting and transfer mechanism and means for causing the same to contact successively with all the color-forms and then to contact with the impression-cylinder While the blank space upon the form-- cylinder is passing.
6. In a multicolor-printing machine, 1n COID".
- bination,a form-cylinder having its periphery is opposite the blank space of the form-cylinder and for then contacting it with the impression-cylinder. In witness whereof I have hereunto set my hand in presence of two witnesses.
DAVID ROBERTHERMANN SIEBERTH.
Witnesses:
, AxEL LAHN,
RICHARD S'roLoKE.
US13156102A 1902-11-15 1902-11-15 Multicolor and text printing press. Expired - Lifetime US755948A (en)

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