US2504021A - Means for and method of plural web printing - Google Patents

Description

m 5, 2 H m R N m H H a April 11, 1950 ms won mo moo 0F PLURAL was PRINTING Filed June 2?, 194s 3 Sheets-Sheet 1 April 11, 1950. R 2,504,021

[BANS FOR AND IE'H-IOD 0F PLURAL IE8 PRINTING Filed June 27, 1946 3 Sheets-Sheet 2 mmvfon.

JITOZWVEYS April 1950 H. H. HEINRICH 2,504,021

BEANS FOR AND IIE'I'HOD 0F PLURAL IEB PRINTING Filed June 27, 1946 3 Sheets-Sheet 3 Patented Apr. 11, 1950 ZJMJZI MEANS FOR AND BIETHOD OF PLURAL WEB PRINTING Harald H. Heinrich, New Y einrleh, Inc, New 'rk, N.

ration of New York N. Y., lsslgnor to Y., a corpo- Application June 21. 1946, Serial No. 679,677 8 Claims. (61. 101-180) My invention consists in novel means for and method of plural web printing by which two superimposed webs may be printed on the exposed sides thereof.

My invention includes means for and method of superimposing two webs fed from different supply sources, as, for instance, web supply rolls; passing the superimposed webs along a predetermined path through printing units to be printed on the exposed sides of the webs; separating the so printed webs; and delivering them to two separate points, as, for instance, to rewind rolls.

My invention also includes means for and method of first printing on the exposed side of one of the superimposed webs and then printing on the exposed side of the other superimposed web; each web serving as a traveling blanket for the other web as it is being printed.

In the accompanying drawings;

Figs. 1 and 1' represent diagrammatic side views of so much of a multicolor plural web rotary printing press as will give a clear understanding of my invention; and

Fig. 2 represents a side view of the gearing for operatively connecting the several driven parts of the press.

The printing press frame is shown as comprising a base I; uprights 2 and 3 and their connecting top frame I. The two web supply rolls are denoted by 5 and 6, the webs supplied thereby by 1 and B and the printed web rewind rolls by 9 and In.

Two sets of three printing units each, of any desired form, are shown, those herein being adapted for aniline ink printing. In the first set three form cylinders of the lower, intermediate and upper printing units for printing on the exposed side of the superimposed web 1 are denoted by II, I? and I3 and their respective impression cylinders by ll, l5 and It. In the second set the three form cylinders of the lower, intermediate and upper printing units for printing on the exposed side of the superimposed web 8 are denoted by l1, l8 and i9 and their respective impression cylinders by 20, II and 22.

The paths of the webs 1 and I from the web supply rolls 5 and 6 through the printing units to their respective rewind rolls 9 and II is as follows: the web 1 is shown as led from the web supply roll 5 over a guide roll 23 to a guide roll 24 and the web 8 is shown as led from the web supply roll 6 under the guide roll 25 and over the guide roll 26 to the said guide roll 2!. The two webs 1 and 8 are superimposed by the guide roll web 1 serving as a 8 during these printings.

The two superimposed webs which have been printed on their exposed sides are then led between the feed rolls 2! and 30 and over the series of guide rolls 3| and between the feed rolls 32 and 38 to their respective guide rolls 34 and 35. From thence the separated webs are led to their respective rewind rolls 8 and I0.

Suitable means, such as that shown in Fig. 2, may be provided for operatively connecting the several moving parts of the press, said means comprising the following elements. In the first set of printing units the intermeshing gears 36 and 31 of the lower pair of form and impression cylinders are operatively connected through the gears 38 and 39 to the large central gear 40. The intermeshing gears H and 42 of the intermediate pair of form and impression cylinders are directly connected to the said gear 40. The lntermeshing gears Ill and 44 of the upper pair of form and impression cylinders are operatively connected to the gear 40 through the gears 45 and 46.

In the second set of printing units the intermediate gears 41 and 48 of the lower pair of form and impression cylinders are operatively connected to the gear 40 through the gear 49. The intermeshing gears 50 and SI of the intermediate pair of form and impression cylinders are operatively connected to the gear III by the gear 52. The intermeshing gears 53 and 54 of the upper pair of form and impression cylinders are operatively connected to the gear 40 by the gear 55.

The printed web rewind rolls 9 and It may be driven at a gradually decreasing speed as the rolls build up, by any well known or approved means, such, for instance, as slip clutches. The output gears 56 and 51 of the said slip clutches are operatively connected to their respective rewind roll gears 58 and 59. The input gears Eli and ii the two slip clutches are operatively connected through intermediate gears 62 and 63 with the train of gears GI, 65 and B6 to the gear 1. This gear 61 is operatively connected through the bevel gears 88, 69, the longitudinally disposed shaft Ill and the bevel gears ll, 12 to the gears 13. This gear 13 is operatively connected through the gears 10, I and 46 to the large central gear lli.

While I have described my invention in connectlon with a press arranged to print three colors on the exposed side oi each of the two superimposed webs it will be understood that I wish to include the printing in any desired number of colors on the said sides of the superimposed webs.

Also, while I have shown this press as adapted for aniline ink printing it is to be understood that I do not wish to limit myself to any particular type of printing.

It is also to be understood that various changes in the construction, form and arrangement of the several parts of the press may be made without departing from the spirit and scope of my invention.

What I claim is:

1. In a plural web rotary non-perfecting printing press, means for bringing two traveling webs into superimposed contact, a plurality of printing units, each unit consisting of a pair of coacting form and impression cylinders, and means for passing the two superimposed contacting webs therethrough along a single path, the form cylinder or cylinders of, one or more printing units being arranged to print on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling blanket therefor and the form cylinder or cylinders of the remaining printing unit or units being arranged to thereafter print on the exposed side only of the said other superimposed web with the first named web serving as a traveling blanket therefor.

2. In a plural web rotary non-perfecting printing press, means for bringing two traveling webs into superimposed contact, a plurality of printing units, each unit consisting of a pair of coacting form and impression cylinders, means for passing the two superimposed contacting webs theretbrough along a single path, the form cylinder or cylinders of, one or more printing units being arranged to print on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling banket therefor and the form cylinder or cylinders of the remaining printing unit or units being arranged to thereafter print on the exposed side only or the said other superimposed web with the first named web serving as a traveling blanket therefor, and means for separating the non-perfected webs and rewinding them.

3. In a multicolor plural web rotary non-perfecting printing press, means for bringing two traveling webs into superimposed contact, two sets of multicolor printing units, each set consisting of pairs of coacting form and impression cylinders, and means for passing the two superimposed contacting webs therethrough along a single path, the form of cylinders of, one set of printing units being arranged to print in multicolor on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling blanket therefor, and

the form cylinders of the other set of printing units being arranged to thereafter print in multicolor on the exposed side only of the said other superimposed web with the first named web serving as a traveling blanket therefor.

4. In a multicolor plural web rotary non-perfecting printing press, means for bringing two traveling webs into superimposed contact, two sets of multicolor printing units, each set consisting of pairs of coacting form and impression cylinders, means for passing the two superimposed contacting webs therethrough along a single path, the form cylinders of, one set of printing units being arranged to print in multicolor on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling blanket therefor, and the form cylinders of the other set of printing units being arranged to thereafter print in multicolor on the exposed side only of the said other superimposed web with the first named web serving as a traveling blanket therefor, and means for separating the non-periected webs and rewinding them.

5. The herein described method of plural web printing consisting in bringing two traveling webs into superimposed contact, passing the two superimposed contacting webs along a single path through the coacting form and impression cylinders of a plurality of non-perfecting printing units, first printing on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling blanket therefor and thereafter printing on the exposed side only of the said other superimposed unprinted web with the first named superimposed non-perfected web serving as a traveling blanket therefor.

6. The herein described method of plural web printing consisting in bringing two traveling webs into superimposed contact, passing the two superimposed contacting webs along a single path through the coacting form and impression cylinders of a plurality of non-perfecting printing units, first printing on the exposed side only of one of the superimposed webs with the other superimposed web serving as a traveling blanket therefor and thereafter printing on the exposed side only of the said other superimposed unprinted web with the ilrst named superimposed non-perfected web serving as a traveling blanket therefor, and then separating the superimposed non-perfected webs and delivering them.

7. The herein described method of multicolor plural web printing which consists in bringing two traveling webs into superimposed contact, passing the two superimposed webs along a single path through the coacting form and impression cylinders of two sets of non-perfecting printing units, first printing in multicolor on the exposed side only of one of the superimposed webs while passing through the first set of printing units with the other superimposed web serving as a traveling blanket tor the web being printed, and thereafter printing in multicolor on the exposed side only of the said other superimposed unprinted web while the superimposed webs are passing through the second set of printing units with the first printed non-perfected web serving as a traveling blanket therefor.

8. The herein described method of multicolor plural web printing which consists in bringing two traveling webs into superimposed contact, passing the two superimposed webs along a single path through the coacting form and impression superimposed web serving an a 5 imposed webs are passing through the second set or printing unite with the first printed non-per- 10 iected web serving as a traveling blanket therefor. and then separating the superimposed non-perfected webs and rewinding them.

EAR-ALDRHEINRIUB. I8

0 nemmces crre'n The following references are of record in the me of this patent:

UNITED STATES PATENTS Number

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