US2238050A - Water feed for planographic and analogous presses - Google Patents

Description

15, 1941- J. G. cor-zone: 2.238.050

wnsn mm FOR rmnoamrum AND ANALQGOUS .rnasszs Filed April 12, 1940 2 shuts-snail -/NVNTOR John GIGOedZ/(e BYW HTTORMEY pril 15, 1941.

J. G. GOE DiKE WATER FEED FOR PLANOGRAPHIC AND ANALOGOUS PHESSES 2 Sheets-Sheet 2 /N VIA/ R r/fm Gama/2K6 BY Filed April 12, 1940 1 77' TORNE'Y Patented Apr. 15, 1941 PATENT OFFICE warm ramp FOR moonarnio AND ANAIDGOUS masses John G. Goedike, San Antonio, Tex.

. 7 Application April it, 1940, Serial No. 329,315

(Granted under the act of March 3, 1883, as amended All! 3., 1928; 370 0. G- 757) 6 Claim.

This invention described herein, if patented, maybe manufactured and used by or for the Government for governmental purposes, without the payment to me of any royalty thereon.

This invention relates generally to the art of planography and particularly to the feed of an ink repellent substance, such as water to the dis tribution system of pla'nographic and other analogous presses.

The object of the invention is to provide a water feed to supply water to the distribution system of a planographic or other analogous press, including water carrying rollers adapted to be set in a solid immovable rest and means including a control member adapted to engage a source 0! water supply in such a manner as to displace the water supply into contact with one of said water carrying rollers and to cut off the water supply to said last mentioned water carrying rollers. M

All planographic and analogous presses areequipped with a water feed that is separate from the ink feed and it is general to have a water distributing system that is separate from the ink distributing system. Regardless of the system of distribution in effect on a press, the ultimate ob- 'jective is a constant supply of water at a certain point in the distribution system and the maintenance of an even film of water on the surfaces of the rollers of the distribution system to be transmitted by the distribution system to a plate cylinder for dampening purposes. I

Heretofore, to cut off or, place the water supply in engagement with the distribution system ofthe press, it was necessary to disconnect one of the rollers from the distribution system by means of a movable roller rest, whereby the water feed rollers 01 the distribution system were liable to get out of alignment unless constantly adjusted, and the rollers were not in a position to be cleaned with the cleaning operation of the distribution system.

It is therefore the aim and purpose of this invention to provide a water ieed for planographic and analogous presses, including water contact rollers of the distribution system, which are With the above and other objects and advantages in view, the invention consists in certain features of construction and operation of parts which will hereinafter appear, and in which- Fig. l is a fragmentary diagrammatic view of a planographic or analogous press to which my invention may be applied;

Fig. 2 is an enlarged perspective view of a water trough, having a part of my invention applied thereto: and

Fig. 3 is an enlarged fragmentary perspective view of a portion of a planographic or analogous press, embodying my invention In the illustrated embodiment characterizing the invention, A indicates generally my improved displacement control water'feed system for use 'on a planographic or analogous press indicated generally by B, and including a plate cylinder l containingthe design 2 to be printed and an ink' and water distributing system. including anink distributing drum or roller 3.

The displacement control water feed system A, which may be applied at any convenient point in the distribution system of the press, comprises a pan or trough 4 adapted to contain a dampening fluid 5, such as water, and which is supported on pins S, transversely mounted in solid immovable rests l of the press. as illustrated in Fig. 3. Pivotally mounted on the outer end of the pan or trough l is a water displacement control member 8 in the form of a substantially rectangular-shaped block made of any suitable material, such as wood or hollow metal, and secured at one side thereof in any suitable manner to a rod 9. The rod 8 extends transversely across the pan or trough I and is pivotally mounted in grooves ll, formed in frame members II which are secured to the opposite side walls I2 of the trough l and pivotally support the rod 9 slightly above the side walls I! of the trough. In order to rotate the rod 9.

adapted to be permanently set in their proper to thus -rais or lower the water displacement control member 8 into or out of the trough l, a handle member [3 is mounted in one end of the rod. 9. A stop member I is secured to the trough I on which the handle member l3 may rest when the water displacement control memher I is removed from the trough.

Rotatably mounted on the solid immovable rests l is a water contact roller i5. 2. ductor roller I, and an intermediate roller ii. The water contact roller i5 is so mounted on the immovable rests I that the lower surface thereof extends part way into the trough and is revolved at the required speed by means of a belt ll,

, brought. up! suiliciently tolc oniiact with; 1th

in". the trough is reduced thereby cutting .loilthe control water eed ,sys'te' i Pa d s fibl tia oth .ana oecusp e I l is illu'stra tedias. being applied to'faduai ware ink gdistributioni systeml jin 't'vhich; the ater is Icarried .Irom'frider,25 to ro rmjrouers rv, 'ich contactwithL theTplate surface (cylinder; andasithesy 'mrevol' s i iqe ezsan i. r

:iQ-Hnta R-E 1 l, m wil ihua be en that we i h eme r videda 1 novel displacement cont1 ol water ;ieedig60 to mounted at its upper end in a pulley l9, which is secured to the outer end of a spindle 20 provided on the water contact roller IS. The belt I8 is driven by a. pulley 2| mounted on a shaft 22, which is rotatably mounted in a part of the frame of the press and driven by a pinion 23 whichls in turn driven by gear fl provided on the platecyliuderlz. :4

In operation, assuming that the water displacement control member 8 has been moved;

out of the trough 4 by meansof the handle mem her I 3 to the position as indicated*inf ;dottc line in 'Figs. 1 and 2, with the handleminber l3 lying against the upper surface 01 the stop said source of dampening fluid to increase the depth of said source 0! dampening fluid whereby said dampening fluid at its increased depth contacts with said dampening roller system.

2. In a printing press the combination of a printing member, mechanism for applying a ,dampen lng -fluid toJflid member; said mechafl'in s impnsing a dampening system including contact rollers, a source of dampening fluid and means including a control member adapted to be submergedinto said source of dampening d'iorihcreasing the depth of the dampening id whereby said dampening fluid is raised into q contacty with one of said contact rollers of said member I, and that a predeterminedamount 01.

water or other dampening fluid i hasbeefi-placed in the trough so that the water wili beg out oi; contact with the lower surface of the water con tact roller I 5, upon taking hold of thehandle'j' member l3 and pulling it to 'the' lef-t or in W counter-clockwise direction, the rod 9 is rotated v inthe.same direction whereby the water disa m kcq rb member! ;i w d ent rou h. and c nt c w h-the a e her which .causeslthe level-oflthe water- 5 to besurface of the water contaetroller li,

n it revolvesecarriesrthelwelteri,upgto the line of closecontactlwith the-roller. l6, and a -headof water or reservoir 1s; formedat thiSQline JI' he roller 16, WhiChv'iS a;ductor;rol ler,,allowlonly the necessary, mm' ol' water pass and reach the intermediate roller ll]. upo the surface Qof which t is. carried to, a. rider" 2s, andi'continues': through the train of. distributing :rollers tolithe plate'z cyl 4 'iinder' l for dampeningthe plate cyl der.', ,Upon

returning the displacement control member] [to inoperative position theldepth 'of the water waterrr m th iiwater contact r'ollerflil a It. is readily understood that" the displacement cair rbe applied any 'nl fof blan'og-raphic nor In th ese a e? it 2 0 ither-1 plate rection as; indicated by the arrows,.theQfiIInY-OI: water charges the suriace oigthe ientire districonnecting. roller i n "m m ist ibu i sa l llers n Whe e Wat n r n s Qductor/ roller at, t is goalie}; jier T its the ductor froller ,.i nk l on 3 v from ink fountain roller .31 which urns on ink yst rw i hd el dapt x llth u s v indi a d veni ous ths e a h m-h re I- described: ,certain features of cqnsifWti operation. oi; parts it is; nevertheless to be upd rstood. t t: a ou 2 .1 86; m be l madees therein; tithe; changes do not depart1trom the sp rit r-vsc ezc t l s- 3,; Having described v my invention wha claim as new and. wishto. secure by Letters -Patent; is-

Vnism :comprisi .a K. ampen r: s s einr dampening system.

"3:"-In"a"'priiiting press the combination of a printing member, mechanism for applying a dampeningfluid to said member, said mechanism comprising a -dampening system including "rollers mounted on an immovable rest, a source 5 ci' darnpening. fluid andimeans including a controljmembr adgbtedjtoo beisubmerged intosaid Jsource otfldampe l il iluicl v for. "increasing. -the d pth Jor {sa d 1 dampenin fluid, whereby said amp ning? i fdla its increased db h c ntacts {with tem e? i aid iq l af 's d m ne. Y

I k veterans? i b i wit a printing member, mechanism or; applying a a0 eep n n flui 9. sa m b t is me n' "mn amewammne emi -mam amp rung cB 'Y 8 {bile-11s mounted on, an

immovable rest'i printing; r'riemh L dampening t leai winc m m e n fluid' carrying rollers. a roller contactin ith 1 another drsmddamp nmgf fluid carrying jrollers,

a source? or dampening fluid andmeans includ- 1.- In-aprinting 1 press the combination of aprinting mem r.- me hanism I0 9 3 8 a ie ie ea s a ae Slibiiligd i ritb baid dampehing zflllid vthe dampening} fluid, hereby said dampening i fluid; at itS increased astom ntion'ed dampgn iugcenyin rope v .v r t 4, for. .apply1ng' a fluid, tp seld" member, @said mecha- Y 7 dampeningfsylstemfl cludin a dampening-fluid ontact roller," a. trough". containin dampeningdol nd aamnemne fluid c bell'mlq z ia i -i l a be operated into? engagement} with h n 7.. heuami iinsin ic 'bus Qitsiin'cirieasedfldrith i'sjjtor'ced 'intp contactwith in ,a: printin 8 biit iha ailme ng fluid, and a dampeni g mi d fcont l member a. pm n gement oiish madam m, I le into gel j-t fq'u I911 hsakm n n awn n n uaimea u e depth r-fli'hti'flaw d edem i s i iis r i 1 a ee aat w th, ne a sai de be e Tfluid larryingjrollers, said-control member'being also adapted tabelmovedioutorsai trou h-for dei 2; th idammmncn iq-a lowered ioutpf contact time 1 source, of dampening fluid and means including rying Ixa control member adapted to be submerged into

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