US832911A - Process of multicolor printing. - Google Patents
Process of multicolor printing. Download PDFInfo
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- US832911A US832911A US29330905A US1905293309A US832911A US 832911 A US832911 A US 832911A US 29330905 A US29330905 A US 29330905A US 1905293309 A US1905293309 A US 1905293309A US 832911 A US832911 A US 832911A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/14—Multicolour printing
- B41M1/18—Printing one ink over another
Definitions
- This invention relates to an improved pro salient objects to. provide a process in which great exactness of register in the superposed prints is not necessary and which accordingly is better adapted for 'newspaper-presswork and analogous presswork performed on ma chines not ordinarily capable of producing great exactness of register to provide a process in which the several steps are characterized bysimplicity and the omission of manipulations requiring great skill or exactness; to I provide a process by means of which the detail lines and colorsare made to stand out sharply and .clearlyindependently of inaccuracy of register or color blendings, and in general. to provide an improved process of the character referred to;
- FIG. 2 represents the outline-print in the lesser color with the other colors filled in, these colors being indicated in.
- the conventional shadin to designate colors-- that is to say, in the me of the lady the hat and belt are black, the face and hands orange,
- waist blue, the dress red, and the bag held in the hand and the bow on the hat are green and purple, respectively.
- this set of printing-plates I may make them by what is known as the direct t process or by the indirect process, it being understood that in the direct process the photographic negative plates from which the final printing-plates are made are exposed with the screen and filter both interposed between the subject and sensitized plate, whereas in the indirect. process the color separation is efiected by one exposure and the screen image by another exposure and upon a diiierent plate.
- the object of printing the outline-print, which is subsequently filled in to produce the colored subject in a blue or other color of low value or high lightreflecting power is of course to prevent these outline lines from reproducing prominently in the color-plates.
- these lines might be more or less perfectly covered With the colors applied; but, inasmuch as one of the main objects of the invention is to avoid the necessity of manual skill and accuracy, such suggested course would be disadvantageous.
- the improvement in the art of making multicolor prints which consists in first pre paring a pair of complementary 'subject'designs, one a line-drawing and the other a color design adapted when the two are superposed to register so that they complement each other, next preparing a printing keyplate from the line-drawing and a set of printing color-plates from the color design, all adapted to re ister as to the design, and then making t e final print by successively printing, in superposed relation, the several colors from the corresponding colorplates and finishing with the impression from the key-plate.
- the improvement in the art of making multicolor prints which consists in'first preparing a pair of complementary subject designs, one a line-draw ng printed in a color of low light-reflecting power and the other a color design printed in a color of greater light-reflecting power and adapted when the two are superposed .to register so that they complement each other, next reparing a printing key-plate from the linerawing and a set of printing color-plates from the color design, all by a lphotomechanical process, and then making t e final print by successively printing, in superposed relation, the several colors from the corresponding color-plates and finishing with the impression from the key-plate.
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Description
No. 832,911. PATENTED OCT. 9, 1906.
E. (ILTJESSURUN. PROCESS OF MULTIGOLOR PRINTING. PPPPPPPPPPPPPPPPP E0. 28, 1905.
. ll mmml I "Mum". in
To all whom it may concern:
UNITED STATES EMILE JESSURUN, OFCHIGAGO, ILLINOIS, ASSIGNOR OF TO GEORGE G. MATHER, OF CHICAGO, ILLINOIS.
PATENT OFFICE.
OYNE-HYALF PROCESS OFMULTICOLOR PRINTING.
Specification of Letters Patent.
Patented Oct. 9, 1906.
' Application filed December 26, 1905. Serial No. 293.309.
Be it known that I, EMILE C. JESSURUN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Process of Multicolor Printing, of which the following is a specification.
This invention relates to an improved pro salient objects to. provide a process in which great exactness of register in the superposed prints is not necessary and which accordingly is better adapted for 'newspaper-presswork and analogous presswork performed on ma chines not ordinarily capable of producing great exactness of register to provide a process in which the several steps are characterized bysimplicity and the omission of manipulations requiring great skill or exactness; to I provide a process by means of which the detail lines and colorsare made to stand out sharply and .clearlyindependently of inaccuracy of register or color blendings, and in general. to provide an improved process of the character referred to;
1 The invention consists in the matters hereinafter described, and more particularly pointedout in the appended claims.
' In carrying out the process I first make or procure an outline-drawing of the sub-- ject, the lines of which are drawn in a color which will photograph sharply, preferably,
of course, black. From this original-I make a photographic negative plate of the desired size, and from the negative thus pre- I pared I make a line or half-tone (preferably line) printing-plate by any usual photome-' chanlcal process. With the printing-plate thus prepared I make two prints, both on a suitable non-shrinkable surface-one in black or analogous dense color and the other in a this description, Figure 1 represents the out-' line-sketch from which the key-plate isjmade,
and the same figure of course represents the outline-sketch in the lesser color, which is subsequently filled in with the other colors. Fig. 2 represents the outline-print in the lesser color with the other colors filled in, these colors being indicated in. accordance with the conventional shadin to designate colors-- that is to say, in the me of the lady the hat and belt are black, the face and hands orange,
waist blue, the dress red, and the bag held in the hand and the bow on the hat are green and purple, respectively.
It will of course be understood that any color or'blending of colors may be used in preparing this picture or design precisely the same as though it were to be reproduced by any of the known tri-color or'four-color processes. I .1
Having thus prepared the pair of com lementary subject designs, I next procee to v prepare a set of printing plates therefrom,
comprising one key-plate or'line or half-tone printing-plate made from the outline design and three color-plates made from the color design and corresponding to the respective I colors.
. In making this set of printing-plates I may make them by what is known as the direct t process or by the indirect process, it being understood that in the direct process the photographic negative plates from which the final printing-plates are made are exposed with the screen and filter both interposed between the subject and sensitized plate, whereas in the indirect. process the color separation is efiected by one exposure and the screen image by another exposure and upon a diiierent plate.
. In making the three photonegatives corresponding to the three colors I proceed 111 cisely the usual waynamely, by ma g the 'ex osure' through'suitable color-filters disturbing either camera or subject-in order to secure exactness of register. These colorprinting-plates are so prepared as to have the The fourth negative is made from the outline-drawing subject with precisely the same adjustment of the camera and subject relatively to each other, andjn order to avoid misregister I substltute for the color-filter used ineflecting the sepa- 'and'ma g the successive negatives without the making ration of color in the color-negatives a colorless and transparent filter having the same refractive power as the color-filters. By so doing I secure a negative from which to make the key-plate which will register exactly with the color-plates. From the set of four negatives thus produced I make the set. of final printing-plates in any usual way, and from these printing-plates I print the picture in the usual manner, exce t that the black or key 1plate impression is ta en last.
I ave found in practice that by omitting the detail lines from the color-printing plates and then adding these detail lines by means of a keyplate, as described, I am able to produce a picture in which the detail appears sharply and clearly, and, what is of more importance, any reasonable amount of inaccuracy of register of the several plates is not readily noticeable or, at least, not seriously ob 'ectionable.
tshould be noted that the object of printing the outline-print, which is subsequently filled in to produce the colored subject, in a blue or other color of low value or high lightreflecting power is of course to prevent these outline lines from reproducing prominently in the color-plates. Of course, if care be exercised, these lines might be more or less perfectly covered With the colors applied; but, inasmuch as one of the main objects of the invention is to avoid the necessity of manual skill and accuracy, such suggested course would be disadvantageous.
In describing the process I have described of a preliminary printinglate from whic to prepare the outlines o the complementary subjects by the photomechanical process' Obviously these outlineprints for the two com lcmentary subjects might be made in any ot er suitable manner,
so longas they are exact facsimiles and of the same size.
I claim as my invention 1. The improvement in the art of making multicolor prints which consists in first pre paring a pair of complementary 'subject'designs, one a line-drawing and the other a color design adapted when the two are superposed to register so that they complement each other, next preparing a printing keyplate from the line-drawing and a set of printing color-plates from the color design, all adapted to re ister as to the design, and then making t e final print by successively printing, in superposed relation, the several colors from the corresponding colorplates and finishing with the impression from the key-plate.
2. The improvement in the art of making multicolor prints which consists in'first preparing a pair of complementary subject designs, one a line-draw ng printed in a color of low light-reflecting power and the other a color design printed in a color of greater light-reflecting power and adapted when the two are superposed .to register so that they complement each other, next reparing a printing key-plate from the linerawing and a set of printing color-plates from the color design, all by a lphotomechanical process, and then making t e final print by successively printing, in superposed relation, the several colors from the corresponding color-plates and finishing with the impression from the key-plate.
. 3. The improvement in the art of making multicolor prints which consists in first preparing a pair of complementary subject designs, one a line-drawing and the other a color design adapted when the two are superposed to register so that they complement each'other, next preparing a set of printing color-plates from the color design by the usual photomechanical process and conjunctive use of color-filters and screen, and also preparing a printing key-plate from the linedrawing by photomechanical reproduction,
the exposure of the photographic plate being made through a filter having the same coefiicient of refraction as the filters used for pro-' a photographic negative, next photomechanically preparing a printing-plate adapted to reproducesaid line-drawing, next preparing two prints from said printinglate, the lines of one of which appear in a co or adapted to reproduce shar ly upon a hotographlc he ative, filling in 516 other 0% said prints wit a color design so that the two form a .pair of complementary subject designs, next fieparing a printing keyplate from the f edrawing and a set of printing color-plates from the color design, both by photomechanical reproduction, and then making the final print by successively printing, in superposed relation, the several colors of the corresponding color-plates, and finishing with the impres'sion from the keylate in a strong color.
' EMI E C.- JESSURUN. Witnesses:
EMILIE ROSE, Y FRANK L. BELKNAP.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29330905A US832911A (en) | 1905-12-26 | 1905-12-26 | Process of multicolor printing. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29330905A US832911A (en) | 1905-12-26 | 1905-12-26 | Process of multicolor printing. |
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US832911A true US832911A (en) | 1906-10-09 |
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US29330905A Expired - Lifetime US832911A (en) | 1905-12-26 | 1905-12-26 | Process of multicolor printing. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4869165A (en) * | 1986-07-04 | 1989-09-26 | Fabrication D'ouvrages De Dames | Silkscreen process for producing a design and proximate inscription |
-
1905
- 1905-12-26 US US29330905A patent/US832911A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4869165A (en) * | 1986-07-04 | 1989-09-26 | Fabrication D'ouvrages De Dames | Silkscreen process for producing a design and proximate inscription |
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