US1311198A - Inking mechanism eor printing-machines - Google Patents

Inking mechanism eor printing-machines Download PDF

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US1311198A
US1311198A US1311198DA US1311198A US 1311198 A US1311198 A US 1311198A US 1311198D A US1311198D A US 1311198DA US 1311198 A US1311198 A US 1311198A
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ink
supply
pump
reservoir
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/02Ducts, containers, supply or metering devices
    • B41F31/04Ducts, containers, supply or metering devices with duct-blades or like metering devices

Description

B. 0. WHITE. INKING MECHANISM FOR PRINTING MACHINES.

APPLICATION FILED JU LY 7. 19].:- 1,31 1,1 98.

8 SHEETSSHEET 1.

" mvEMToH,

Patented July 29, 1919.

B. 0. WHITE. INKING MECHANISM FOR PRINTING MACHINES.

APPLICATION FILED JULY 7. 1915. 1,31 1,198.

' 8 SHEETS lzlrentedJuly 29, 1919.

SHEET 2.

B. 0. WHITE.

INKING MECHANISM FOR PRINTING MACHINES.

' APPLICATION FILED JULY 7 I915- 1,31 1,198.

Patented July 29, 1919.

8 SHEETS-SHEET 4.

6 FIG.5,

ATTVS.

Fla.

B. C. WHITE.

INKING MECHANISM FOR PRINTING MACHINES. APPLICATION FIILED JULY 7. 1915.

1 ,3 1 1 1 98. Patented July 29, 1919.

'8 SHEETS-SHEETI5.

k W WW5 i] INVENTOR B 0 WHITE INKING MECHANISM FOR PRINTING MACHINES.

APPLICATION FILED JULY 7. 1915. 1,311,198.

B. 0. WHITE. |NK|NG MECHANISM FOR PRINTING MACHINES.

Patented July 29, 1919'.

3 SHEETS-SHEET 7- TN N gi fiWJ APPLlCATION FILED JULY 7. 1915. 1,311,198;

m MM. T N N N r N N E u i M N v a N N N N W N m N. $2 N. a M NEW. g M N N N ///V///////////.\- g i r w .IIIIIIIIW/ B. C. WHITE. INKING MECHANISM FOR PRINTING MACHINES.

Patented July 29, 1919.

7 APPLICATION FILED IULY 7.1915- 1,31 1,198.

. 8 SHEETS-SHEET B- HE EE BRUCE 0. WHITE, oF NEw YORK, N. Y., ASSIGNOR- m R HOE AND 00., OF NEW YORK,

. 1v. Y., A CORPORATION on NEW YORK.

INKING MECHANISM FOR PRINTING-MACHINES.

To all whom it may concern:

Be it known that I, BRUCE C. WHITE, a citizen of the United States, resi'din at .New York, county of New York, and tate of New York, have invented certain new and useful Improvements in Inking Mechanism for Printing-Machines, fully described and represented in the following specification and the accompanying drawings, forming a part of the same.

This invention relates to an improved inking mechanism for printing machines of that type in which the ink is forced by pumps to, the distributing cylinder or other portion of the inking apparatus so as to supply the ink under pressure and in regulated quantity and preferably so that the supply of ink to each column or other section of the form may be varied as desired in accordance with the matter to be printed.

The special object of the invention isto provide a more efiicient and. satisfactory apparatus for thus supplying the ink and regulating the supply from a convenient point and without interrupting the operation of the machine, and to secure greater certainty and uniformity in the supply and distribution of the ink.

With these objects in view, the invention includes various nov,el. features, constructions and combinations of. parts in inking mechanism, and a novel pump designed especially for such use, but applicable also to other use and for pumping other fluids.

For a full understanding of the invention, a detailed description of an inking mechanism embodying the invention in its preferred form, and a modified form of pump, will now be given in connection with the accompanying drawi" s forming a part of this specification, and t e features forming the invention then specifically pointed out in the drawings.

Figure l is a diagrammatic side elevation of a multiple web printing press equipped with inking mechanismembodying the invention;

Fig. 2 is an enlarged diagrammatic plan view of one of the distributing cylinders.

and its ink supply mechanism;

Fig. 3 is a: side elevation of Fig. 2;

Fig. 4 is a plan view of the ink supply reservoir with the cover broken away to show the ink supply mechanism;

Fig. 5 is a vertical section through the Specification of Letters Patent.-

ink supply reservoir taken on the irregular l1ne 55 of Fig. 4;

-F1g. 6 is a cross section on the line 66 ofF 1gs.4'and5; p

F 1g. 7 is .a horizontal-section of one end of the ink supply reservoir on the lines 77 of Fig. 6; parts-being omitted;

. Fig. 8 is a vertical section through one of the delivery nozzles;

Fig. 9 is a face view of a portion of the delivery nozzles looking to the left in Fig. 8; Flg. 10 is a section on the line 10 of Fig. 8;

Patented July 29, 1919. Application filed July 7, 1915. Serial No. 38,528 I Fig. 11 is a view similar to Fig. 8 showin% a modification; 1g. 12 is a horizontal section through the lnk supply reservoir showing a modified construction of ink supply and regulating means;

Fig. 13 is a vertical section on the 1313 of Fig. 12; I

Fig. 14 is a vertical cross section of the ink supply reservoir on the line 14-14 of Figs. 12 and 13;

Fi s. 15 and 16 are partial views similar to Flg. 14, but showing the parts in different positions.

Fig. 17 is a plan view, partly broken away,

line

of the feed shown in Fig. 11.

Referring now to the drawings, the invention is shown in Fig. 1 as applied in connection with a five web press having rotary printing couples, each couple consisting 0 the form cylinder A and impression cylinder B, the form cylinder A taking the ink from form rollers a supplied from distributing cylinder C having the usual vibrating ink distributing rolls 0. This is a common type of such printin machines, but it will be understood that .t is is shown only for purpose of illustration and that the invention is equally applicable to other types ofprinting machines, either reciproeating or rotary, and with any desired type culating pipe I, through which ink is con tinuously circulated from tank G by any I suitable means, as, for instance, by the rotary pump K, indicated in F ig. 1, so that the supply of inkin reservoirs: F is constantly .maintained under-control of a float valve, as-

hereafter described, the branch pipes H- for the separate supply reservoirs F preferably being provided with cocks, as shown, soas to cut out of the inking system any supply reservoirs desired when their printing couplesv supply reservo1rs,'conduits or suppl pipes E and nozzle casings D, are shown in'Figs. 4 v

I to 3, the whole inking apparatus occupying but a small space at the side of thedistributing cylinders, so as not to substantially interfere with the desired access to the press,

v and the supply reservoirs being conveniently ing plunger 10, is provided for each desire placed for access and adjustment of the ink supply, without interfering with the operation of the machine.

The construction and operation of the ink pumping and regulating apparatus within the supply reservoirs F,'and of the nozzles for delivering the ink to the distributing cylinders, are duplicates, each of these being as follows: The interior of the supply reservoir F is partially filled with ink, in which work the ink pumps by which the ink is forced downward through the conduits or supply pipes E, which are ings formed in the bottom of the reservoir. A single acting pump, having vertically actsection of the form, usually a column, two parallel rowsv of these pumps being shown,

the pump chambers for these pumps being formed in bars 11 extending lengthwise of the'reservoir .F and united by cross bars 12 to form a frame open betweenthe bars 11 to receive shaft 13 carrying eccentric 14, by which the frame, With its pump cylinders and plungers, is moved sidewise and the plungers 10 reciprocated, the eccentric 14 securing this sidewise movement of the frame" through action on yokes on cross bars 12 of the moving frame, and the vertical movement through action on vertical bars 15 mounted'to slide vertically in these yokes whileheld from sidewise movement therein. These bars 15 form downward extensions of a bar 16 extendinglongitudinally of the reservoir above the pumps and which has arms 17 extending over the pump plungers 10 so as to engage and operate the latter on the downward movement of the plate bar 16. This bar '16 also carries arms 18 extending on opposite sides of-the bar, which arms carry pivot shaft 19 on which are loosely mounted rock arms 20, one for each plunger, having toes 21 extending inward under packed in openflangedheads 1 of plunge rs 10, and these arms 20are formed of a sleeve'and inclosed sliding stem, so as to be extensible and spring-pressed apart by spring 22, the sleeve having a head 23 numbered to correspond with the column or section of the form supplied by its pump, and the sleeve being provided with a catch 2 adapted to engage teeth 3 for holding therock arm in adjusted position, these teeth 3 being formed in the underside of arms 24 projecting in opposite directions from central web 25 extendin upward i from bar 16, the arms 24 prefera ly being made separately and secured in slots in the web 25 by a coverbar 26,-as shown. The ends of the arms 24. are tied together by rods 27 with spacing sleeves between the arms so as to form the parts carried by bar 16 into a frame that reciprocates vertically in the frame formed by bars 11 and cross bars 12 and moves sidewise with the latter frame. I

' The shaft 13 maybe driven by any suit-' able means, but as shown is driven by gear 28 and intermediate 29 from gear 30 on sleeve 31l'oose' ondriving shaft 32 and carrying disk '33 having handle 34 mounted therein, thisv handle 34 having a point 35 entering a recess in disk 36 keyedto shaft 3 2, so as to clutch disk 33 and sleeve 31 to the shaft for driving the pumps when the handle 34 is thrown into the position shown in Fig. 7, while by rocking handle 34 outward against its holding spr ng into the position shown in Fig. 4, sleeve 31 is released from shaft'32, .and the pumps can then be run by hand at the ,speed desired for testing,

runthrough the umps and pipes, if desired. The driving $113,1 0 32. maybe driven from the dcleaning or repair, or cleaning fluid may be.

press by any suitable gearing so as to'secure the proper speed, or may be driven by separate motor, if preferred.

The ink is 'preferablymaintained at the desired level in the reservoir F by float control, the inlet pipe H .being controlled by valve 36 under the control of float lever 37 and float 38, which parts may-be of any suitable construction. Circulation of ink from the side of the pump frame at which supply pipe H enters isfprovided for by passages 39 connecting side troughs 40 with a central trough 41, with which connects a drain pipe 42, provision thus being made for draining the reservoir from troughs 40, 41, in which any sediment orthickened ink will collect and for washing the reservoir by running water or cleaning fluid theredistributing cylinder or other part of the P .the outer wall of The conduits or supply pipes E from thereservoir F have their delivery ends arranged in line along the distributing cylinder C, being grouped in casing D, as shown in; Figs. 8 and-10, this casing D being provided with a removable cover 44 for access to the pipes, and the wall '45 of the casing adjacent to the distributing cylinder havinv openings therethrough receiving the ends of the-pipes and through which the ink passes to the nozzles supplying the distributing cylinder.

In the" construction shown in Figs. 8 to 10, these nozzles deliver through the ports in support plate 4.5 into narrow passages .46 outside plate 45, by which the ink is distributed sidewise from the pipes to substantially the extent of a column or other section to be supplied with ink by the pipe, 20

and these passages have small dellvery orifices 4, of unobstructed circular or other polygonal form, a sufficient number of which are formed on each passage to secure the distribution required, and the ink from these openings falls down the inclined face 5 of abar or nozzle piece47mounted on: the

outer side of plate 45 and acting to form passages 46, previously described, and to divide these passages from each other. a

The inclined surface 5 extends substantially into contact withthe distributing cylinder 0, and the ink from the orifices 4 spreads in flowing down the incline so as to form a continuous thin layer or film of ink in contact with the distributing cylinder. The small orifices or passages 4, through which the ink is distributed from passages 46, preferably extend upward, as shown, soas to assure their being constantly filled with ink and prevent the entrance of air from outside, as might be the case if they were directed downward from found in practice secures a better distnibupassages 46'. In Fig. 11 there is shown a modified construction, especially adapted for the heavy ink used in work, in which t e ink is blown by an air onto the distributing cylinder, which it is tion of such ink. The air current or air blast, is shown as provided by an air blast pipe 48 mounted on top of the casing cover 44 and having a suitable contracting. nozzle 6 delivering a continuous air jet, or series of jets, just behind the orifices 4. With this construction, also, the incline 5 is preferably used and acts, as in Figs. 8 and 9, to distribute sidewise, from orifices 4, any ink not forced by the air blasts onto the distributing cylinde r. j The casing D is preferably adjustable towardand fromthe'distributing cylinder C, so as to secure the best positionfor theremalgazine, book and simlilar...

ceipt of the ink from the nozzles by distributing cylinder C, and for this purpose, is shown as carried by bolts 49 securedto the press frame and having adjusting nuts 50, between which arms 51, carrying the casing, are mounted on the bolts. Preferably, springs 52 are used outside the arms-51,

reservoirs F kept full to the required level by the float control of branch pipes H, so

that a constant suction supply to the pumps is thus maintained. The pump chambers formed in-blocks 11 and inwhich the pump plungers 10 move are brought by'ieccentric 14 alternately into connection with the reservoir onthe upward or suction strokerof the plungers 10 and into line with the ports in the reservolir bottom connecting with pipes E for the downward or delivery stroke .of they plungers, and the vertical movement of the bar 16 and lunger operating parts carried thereby 1s secured in proper time by the eccentric 14. A measured quantity of ink is thus delivered by each pump under fixed pressureat each stroke of the plungers 10. These valveless pumps aid materially in assuring the proper action of the pumps and their delivery of a fixed quantity of ink, and avoid the difficulties incident to handling ink with valved pumps. As described above, the lift of each plunger 10 on the suction stroke is determlned by the position of its rocking arm 20 which determines the time of engagement of toe 21 with plunger head 1, and the position of the arms 20 is readily adjusted by moving the numbered heads or finger pieces 23 sidewise. The arrangement of the adjusting heads so that they move sidewise in adjusting the ink supply to the different through-pipe I by pump K and the supply a columns or sections, is such that the rela-,

or sections-"is readily seen, andby arranging the heads so that they are normally in line for equal adjustment of ink for the different columns or sections, a glance at the top of the inking mechanism on raising the cover 43 shows the relative inking of all parts of the page or pages supplied by the reservoir. This. is clear from Fig. 4, in which the reservoir is illustrated as supplying four pages of eight columns each with the inking, mechanism adjusted for equal supply to all columns on two pages, and adjusted for varying the supply to different .modified construction of pumps and regulating means, the other parts of the apparatus being the same as above described.

In this case the plungers 10 and the blocks 11. containing the pump chambers -of the two sets are actuated by separate eccentrics,

I the two blocks 11 being connected by cross plates 54 at opposite ends, which are vertically slotted to receive sliding blocks 55 carrying .eccentric sleeves 56 in which run eccentrics 57 on shafts .58, so that the rotation of-the eccentrics moves the blocks 55,

with the. frame formed by plates 54andbars 11, sidewise, and moves the blocks 55, with 'their eccentric sleeves 56, vertically. The

pump plungei's 10 carry yokes 59, the upper ends of whichare threaded onadjustlng screws 60 having finger pieces 61 extending upward into convenient position for access.

when the cover is lifted and preferably held in. any-adjusted position by springs 62engaging the knurled side of the. finger pieces. The adjustingscrews 60 carry heads 63 engaging the' eccentric rings 56 to raise the plungers 10 the'length of the suction stroke or lift'of the'plungers, the amount Of 'lIlk delivered thus being regulated by the position of the screws 60, which determines'the shown as geared together by gears 64 op-' lift of the yok'es 59 and plungers 10 by the eccentrics. The eccentric shafts 58 may be rotated by any suitable -.means, but are .erated by gear 65 on shaft 66, which in turn is driven through bevel gears 67 from driving. shaft 68 outside the reservoir F, and actuated-from'the press or otherwise in any suitable manner; v In this construction there is shown, also, a convenient-means for cutting out a whole page of the inkinggor such part thereof as the construction may be designed for,"by a single valve, which arrangement also is readily applicable to the construction shown in Figs. 1 to 11, and above described; -For this ,purpose each row of the conduits or supply pipes E connects with a circular valve chamber in which. is lounted arotating valve 69 extending over the whole row of conduits E, or such part thereof as desired, and accessible from outside the reservoir for rotation, as by the squared head 70, shown in Fig. 13. These valves 69 have transverse ports7, and the bottom plate of the reservoir F is prbvided with two passages 8, 9, one connected withthe pump chamber and the other with the reservoir,

so' that by turning ajvalve 69 into the position shown in Figs. 14 and 15, the pumps in the row -corresponding'to the valve will deliver ink from the chamber through ports 8, 7, into the conduits or "supply pipes E, and by turning the valve into the position shown in Fig. 16, the pumps of'its row will be closed to pipes E, and the ink be circulated through ports 8, 7 9, from the pump to the reservoir on the discharge stroke.

The simple rotation of a valve 69, therefore, will cut outa page, or such portion of the inking as the apparatus maybe designed'for, without interferi g with the adjustment of the separate pu'mps. 1

- The operation of the'constructlon shown in Figs. 12 to'16 will be substantially the same as that described in connection with Figs 1. to 11, exceptas will be understood. from the drawings, so that no further de- I scription of operation is required.

a While the construction illustrated and described is one which is effective for carrying' out the invention, and preferably used with presses of the type shown,'it will be understood that changes may be made in the construction and arrangement of the I machines, the combination with a plurality of separate ink conduits, one for each column or section of the form, and an ink ump for each conduit :ofmeans for regu ating the ink supply delivered by each-pump 'independently of the'otli'ers, said regulating means including an adJuSting member for each pump movable sidewise for regulating the ink supply. v I

2. In an inkmg mechanism for printing machines, the combination with a urality of separate ink conduits, one for each 001- umn or section of the form, and an 'ink ump foreach conduit, of means for regullating the ink supply delivered by} each pump independently of the others, said regulating means including a manually operated ad] us'ting member for each pump mpvable sidewise for regulating the ink supply, the adjusting members for the different pumps being arran closely adjacent.

3. In an inking'me'chanism forprinting machines, the combination with a plurality.

of separate ink conduits, one. for. each col-I ged. side. by; side andumn or section'of the form, and an ink pump V for each conduit, of means for regulating the ink supply delivered by each pump Jude pendently of the ,others,- said regulating -means including a manually operated ad- 'of separate ink conduits, one for each column or section of the form, and means for supplying ink to each conduit, of means for regulating the ink supply to each conduitindependently of the others, said regulatin means including a manually operated a justing member for each conduit movable sidewise for regulating the ink. supply, the

- pump.

constantly circulating ink from t adjusting members belng arranged .side by side.

5. In an inking mechanism for printing machines, the combination with a plurality of separate ink conduits, one for each column or section of the form, and an ink pump for each conduit, lating the ink supply delivered by each pump independentl of the others, and a single valve contro ling the delivery of a plurality of said conduits whereby the su pl y of ink'to a page or other portion of t e form may be cut out or controlled'indepe'ndently of the individual adjustment of each 6. In an inking mechanism for printing machines, the combination with a plurality of supply reservoirs, a series of ink pumps supplied from each reservoir, and separate ink deli-very conduits for the pumps, one pump and conduit for each column or section of the form, of a supply common to the reservoirs, a pumpandcirculating ipe for e common supply, branch pipes from saidrcirculating pipe for. the supply reservoirs, and means for automatically controlling the supply of ink to each supply reservoir.

7 machines, thecombination with a lurality conduit for each column or 7: In an inking mechanism for printing of supply reservoirs, a series of in pumps supplied from each reservoir, and separate ink conduits .for the pumps,.one pump and section of the form, of a supply common to the reservoirs, 'a pump and circulating pi e for circulating inkfrom the supply, branc pipes fromsaid circulating pipe for the supply reservoirs, I and float'controlled means for controlling the su plyof ink to each reservoir to maintain t e level of ink. therein.

8. In an inking mechanism for printing machines, the combination with an ink sup ply reservoir, of a plurality of independent 1nk-delivery conduits, and a plurality of valveless plunger pumps in the-supply reservoir, one for each conduit, and means for of means for reg'u automatically regulating the amount of ink supplied by each pump independently of the others.

9. In an inking mechanism for printing machines, the combination with an ink supply reservoir, of a plurality of independent ink delivery conduits, a plurality of valveless plunger pum one for each con pump chamber movable sidewise for suction and discharge, and means for moving the pump chambers and operating the plungers.

10. In an inking mechanism for printing machines, the combination with an ink'supply reservoir, of a plurality of independent ink deliveryconduits, .less plunger pumps in one for each conduit, each pump having a pump chamber movable sidewise for suction and discharge, means for moving the pump the supply reservoir,

a plurality of valves in.the supply reservoir, u1t, each pump having a means for varying the stroke of-each plunger independently of the others to vary the amount of inkdelivered by the pumps.

11. In an inking mechanism for printing machines, the combination with an 1I1k supply reservoir, of a plurality of ink delivery conduits, a plurality of 'valveless plunger pumps in the supply reservoir, one for each conduit, each pump having a pump chamher opening at the end in the line of move; ment of the plunger, and means for moving the pump chamber sidewise to bring the end opening into connection alternately with the 'reservolr for suction and with thefconduit for discharge.

12. In an inking mechanism for printing machines, an

series of small. unobstructed polygonal ink delivery openings, and a distributing incline over which the ink flows from the openings for distributing the ink'sidewise.

13. In an inking mechanism for printing machines, an ink delivery nozzle having a series of small ink delivery openings, and an air blast device arranged to deliver an air current across the outlet ends of the-openings for blowing the ink from said openings on to the ink receiving member.

, 14. In an inking mechanism for printing machines, an ink delivery opening, an air blast device arranged to deliver an air current across the outlet end of the opening for (blowing the ink from said opening onto the ink receiving member, and means for distributing the ing.

15. In an 'inln'ng mechanism for printing machines, an ink delivery nozzle, an air blast device for blowing the inkfrom said nozzle on' to the ink receiving\ member, and adistributing incline below thenozzle.

16. machines, an ink delivery nozzle having a series'of small ink delivery openings, an air blast device for blowing the ink from said ink received from said openink delivery nozzle having a openings on to the ink receiving member, and a distributing incline below the plane of the air blast.

, the ink sidewise.

v 17. ;In an inking mechanismfor printing machlnes, the combination with the ink conduits'E arranged side by side for supplying diiferent columns or sections of thaform, of

chambers 4'6 supplied by said conduits and having a series of small unobstructed polygonal u wardly extending openings. 4 through w ich the ink is delivered,.and an incline 5 below the openings for distributing 18. In an inking mechanism for printing machines, a series of ink delivery nozzles for supplying difl'e'rent columns or sections. of

the form, and a support for'said nozzles adjustable toward andfrom the ink receiving I member and yieldingly mounted for move- I 'the'pumps and nozzles.

ment toward and from the ink receiving member, and a' supply reservoir with ink pumps therein mounted to move with the nozzle support, and ink conduits connecting 20. A printingpress including in combination a form cylinder, an ink drum, and" means for supplying atomized ink to said drum, said means including an atomizing device and a pump presenting intermittently.

thereto minute globules of ink.

21. A printing press including in com bination. a formcylinder, an ink drum, and

means for supplying atomized ink to said I drum in' variable quantities therealong, said means including an atomizing device and a pump presentingintermittently thereto'minute globules of ink.

22. A printing press including in combination a form cylinder,.an ink drum, and means for supplying atomized ink to said a drum n variable quantities. thereabout, said means including an atomizing device and a pump presenting intermittently-thereto minute globules of ink.

'23." A printing press including in com:

' bination a r'otatingink receiving cylinder,

means'for supplying ink theretocomprismg a plurality of. air nozzles, arranged therealong and "means for supplying ink thereto comprising external ink nozzles and positively operating ink supplying means.

24. A printing. press including in combination a rotating inkreceiving cylinder, means for supplying ink thereto comprising along, means for-supplying ink thereto comprising an ink nozzle for each air nozzle and.

a positively acting ink pump.

25. In combination in a printing press, a rotating ink-receiving cylinder, a plurality of pneumatic ink atomizing nozzles supplyingink thereto, an externally located ink supplying nozzle for each atomizing nozzle and a'pump supplying intermittently a globule of ink to each ink nozzle.

a plurality of air nozzles arranged there- In testimony whereof I haveliereunto set my hand in the presence of two subscribing witnesses. p

BRUCE WHITE.

Witnesses: I

CHAS. F. Tmrm, l Y, R. Des'rnma nc.

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420080A (en) * 1942-03-24 1947-05-06 Hoe & Co R Inking mechanism for printing machines
US2469796A (en) * 1945-01-16 1949-05-10 Hoe & Co R Inking mechanism for printing machines
US2672812A (en) * 1951-11-24 1954-03-23 Cottrell C B & Sons Co Ink pumping mechanism for rotary printing presses
US2730947A (en) * 1952-05-31 1956-01-17 Hoe & Co R Inking mechanism for printing machines
US2731914A (en) * 1956-01-24 Inking mechanism for printing machines
US2787216A (en) * 1951-11-16 1957-04-02 Gestetner Ltd Inking mechanism
US2811105A (en) * 1952-06-12 1957-10-29 Cottrell C B & Sons Co Inking mechanism for rotary printing presses
US2821919A (en) * 1951-04-06 1958-02-04 Hoe & Co R Inking mechanisms
US2866411A (en) * 1955-12-07 1958-12-30 Hoe & Co R Ink pumps for printing presses
US2927533A (en) * 1952-06-12 1960-03-08 Cottrell Company Inking mechanisms for rotary printing presses
US3065693A (en) * 1958-07-01 1962-11-27 Hoe & Co R Printing machine ink pumping system
US3207070A (en) * 1961-03-30 1965-09-21 Maschf Augsburg Nuernberg Ag Inking mechanism for rotary printing presses

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731914A (en) * 1956-01-24 Inking mechanism for printing machines
US2420080A (en) * 1942-03-24 1947-05-06 Hoe & Co R Inking mechanism for printing machines
US2469796A (en) * 1945-01-16 1949-05-10 Hoe & Co R Inking mechanism for printing machines
US2821919A (en) * 1951-04-06 1958-02-04 Hoe & Co R Inking mechanisms
US2787216A (en) * 1951-11-16 1957-04-02 Gestetner Ltd Inking mechanism
US2672812A (en) * 1951-11-24 1954-03-23 Cottrell C B & Sons Co Ink pumping mechanism for rotary printing presses
US2730947A (en) * 1952-05-31 1956-01-17 Hoe & Co R Inking mechanism for printing machines
US2811105A (en) * 1952-06-12 1957-10-29 Cottrell C B & Sons Co Inking mechanism for rotary printing presses
US2927533A (en) * 1952-06-12 1960-03-08 Cottrell Company Inking mechanisms for rotary printing presses
US2866411A (en) * 1955-12-07 1958-12-30 Hoe & Co R Ink pumps for printing presses
US3065693A (en) * 1958-07-01 1962-11-27 Hoe & Co R Printing machine ink pumping system
US3207070A (en) * 1961-03-30 1965-09-21 Maschf Augsburg Nuernberg Ag Inking mechanism for rotary printing presses
DE1222510B (en) * 1961-03-30 1966-08-11 Maschf Augsburg Nuernberg Ag Inking unit for rotary printing machines

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