Патент USA US2108700код для вставки
Feb. 15, 1938. 2,108,7UQ R. H. ADEY APPARATUS FOR THE ELECTRODEPOSITION OF METALS Filed March 26, 1956 13w £921 1 4' 5§ 9 10 a’? a .9 ) J1 1?; 14 v.” #125,917 f'\ PF '33 A In’ M r I \ 27] a0 .23 #0 £9 #1 - 1??’ _- _' 2,108,706 Patented at. 15, 1938 V UNITED STATES 'TPATENIT 2,108,700 APPARATUS FOR T?E ELECTRODEPOSI TION OF METALS OFFICE ‘ Ralph Harold Adey, London, England] Application March 26, 1935, Serial No. 711,035 4 Claims. (Ci. 2ll4—5) . This invention relates to devices for use in: anism. A piston 9 provided in the cylinder 8 effecting the electro-deposition of metals in ac cordance yvith the known method of operation is adapted to be reciprocated by means of the rod iii, bell-crank lever ill and push rod l2, the wherein an electrode formed from the metal to . latter being provided with a knob i3 for con venience of operation by the thumb of the hand _ ed toreceive the deposit with the intervention < of the user of the vdevice which is ‘adapted to _ 5 be deposited is traversed upon the surface adapt of an absorbent pad for holding an appropriate electrolyte, the said electrode and the said sur face being electrically connected to the appro grip the'handle it. ,Said handle I4 is hollow and encloses a spring l5 which co-operates with ' the push4rod°i2 and functions to cause the de scent of the piston 9 after said piston hasbeen 10 10 priate poles of an electric current supply. Now, in accordance with the present invention raised by the manual cperation of the push. rod ardevice for use in effecting'the electro-deposi - I2. Such operation 0 the pump mechanism is tion of metal comprises an electrode formed from adapted to draw electrolyte from the container the metal to .be deposited, an. absorbent pad’ 4 through .the inlet opening it to the cylinder 8v and force it through- the conduit I‘! to the. port 10 15 adapted to come between said electrode and the surface receiving the deposit, a reservoir for an I 8 of a valve box I'il'disposed beneath the bot-_ appropriate electrolyte, means for‘ transferringv tom wall 5. ‘ such electrolyte from said reservoir to the said absorbent pad’ and means for changing the po 20 sition of delivery of the electrolyte to the pad >,1 -- ' This valve box also includes ports 20 and 2| which communicate with conduits 22 and 23 ' respectively, whilst within the said box is dis accordingto whether the device is employed posed a loose ,ball 24 which constitutes a valve member adapted to co-operate with seatings pro upon a horizontally or vertically disposed sur .20 vided in the ports 20 and 2! as will be clearly . face. . The said means for changing the position of delivery of the electrolyte to the absorbent pad 2 preferably operates automatically .to effect the necessary change according .to whether the de'-_ 30 evident from‘ the drawing. which’ is held, in a removable manner, by means vice is employed upon a horizontally or verti of spring clips T26, a‘ pair of absorbent pads 21 cally disposed surface. and 28 between which is accommodated an elec trode it formed from the metal it is ‘desired to One preferred embodi- _ ment of the inventionprovides’such an auto. matically operating means for changing the po deposit.- This‘, electrode 2a is perforated and at sition of delivery’of the velectrolyte to vthe ab sorbent pad by incorporating a gravity operated valve. - Below the'valve box it and cylinder 8 there 25 is provided a perforated base member 25 against ' In order that the invention can be fully ap one end is formed ‘with an extension 30 for en gaging with a spring blade M in electrical con nection with a socket 32 by which the said elec trode can be coupled to one pole of an electric 35 preciated, two examples of‘devices constructed current supply. The absorbent .pad la is adapted Figs. 1 and 2 show respectively an. elevation partly in section and a plan view of a ‘preferred ‘employed upon a l'iorizon-tally‘disposed~ surface (position shown in drawing), or a vertically dis posed surface, in which latter case the left hand portion of the device shown on the drawing in accordance therewith will now be more par- ' to be brought into‘contact with the surface re-v ceiving the'deposit‘ and to be maintained sat ‘ ticularly described with reference to the accom urated with electrolyte whether the device is panying drawing, wherein:-— 40 ' embodiment of, the invention for use in e?‘ecting the electro-deposition of metal uponv fiat sur faces, 45 and _ i I _ . ' Fig. 3 is an elevational'view of a further em; bodiment of ‘the invention for use in e?ecting v electrolyte over the entire area of the pad 28 when the device is employed on a horizontally _ the electro-deposition of metal upon curved sur faces. - Y ' ‘ Referring to Figs. 1 and 2, the reference nu ‘so would be uppermost. > To assure a satisfactory distribution of the meral ‘It indicates a container adapted to con stitute a reservoir for electrolyte, this container having a bottom wall 5 and a ?lling aperture "closable by a cap 6. One end portion of the bot tom wall 5 is recessed to provide a well ‘i in 5b which is disposed the cylinder 8 of a pump mech disposed surface, the conduit 22 delivers elec trolyte to the center portion vof the perforated base 25 after which it passes through the aper tures therein to ‘the pad 2?, and subsequently through the apertures 'in the'electrode 29 to the ‘ pad 2%. It should be observed that when the. device is in position upon a horizontally disposed surface the ball 245i closes the port 2i, whilst 65 , 2,108,700. 2 the port 20 remains open and permits the flow of electrolyte from the conduit I ‘i to- the con duit 22 when the pump is manipulated. deposition of metal comprising as a unitary structure, an electrode formed from the metal to be deposited, an absorbent pad adapted to To assure a satisfactory distribution of the electrolyte to the pad 28 when the device is em come between said electrode and the surface receiving the deposit, a reservoir for an appropri ployed upon a vertically disposed surface the conduit 23 is extended as shown in the drawing to deliver the electrolyte through an aperture 33 provided in the pad 21 and electrode 29 di 10 rectly to the end portion of the pad 28, from whence it will'percolate over the entire area of the pad. When the device is in position upon a vertically disposed surface the ball 26 will close the port 20, the port 2| being then open to per 15 mit a ?ow of electrolyte from the conduit H to the conduit 23.. It will be readily understood that upon chang ing the device from the “horizontal position” to ate electrolyte on which reservoir said pad and said electrode are mounted, a pair of conduits having delivery openings situated at different positions with' respect to the absorbent pad, manually operable pump means integral with said reservoir for transferring the electrolyte from the reservoir through said conduits to the absorbent pad and a gravity operable valve capable of occupyingeithe'r one of two different positions for the "vertical position” or vice ,versa, the ball 24 20 moves, as a result of gravitational force, from one to the other of the two ports 20 and 2|, the rendering, inoperative either one or the other of said pair of conduits, accordingly as the device is held in one position or another. 2. A device for use in effecting the electro deposition of metal comprising as a unitary struc ture an electrode formed from the metal to be 20 deposited, an absorbent pad adapted to come be,-v position of delivery of the electrolyte to the pad being thus automatically changed according to tween said electrode and the surface receiving the deposit, a reservoir for an appropriate electrolyte whether the device is employed -.upon a horizon on which reservoir said pad and said electrode are 25 tally or vertically disposed surface. mounted, an integrally arranged manually oper 25 able pump for withdrawing electrolyte from said ing drawing is. in general similar to that herein reservoir, avalve box, a conduit for conducting before more particularly described’With reference electrolyte from the said pump to said valve box, to Figs. 1 and '2, but in this case the electrode 34 a pair 'of conduits leading from said valve box to '30 formed from the metal it is desired to deposit and" different positions with respect to the absorbent 30 the,.a‘s'sociated absorbent pad 35 are of curved pad and a loose ball member in said valve box formation, the curvature being chosen in accord for automatically rendering inoperative either ange- with the curvature of the surface upon oneor the other of said pair of conduits, accord which it is desired to deposit the metal, for ex ingly as the device is held in one position or an 35 ample the curved surface of mill rollers or the like. ‘. 3. A device for use in effecting the electro Further, in this particular example various deposition of metal as claimed in claim. 1 includ parts of the pump operating mechanism are en ing a handle for traversing the electrode and its closed within a casing 36 which is formed as an associated absorbent pad upon the surface adapt ed to receive the deposit and manually operable 40 40 extension of the handle 31 of the device. It will be appreciated that the invention is not means incorporated in said handle and mechani I limited to the particular examples hereinbefore cally coupled to the pump means to actuate the The device shown in Fig. 3 of the accompany other. more particularly described and that various em bodiments of the invention are possible to meet same. “ 1 - - 4. A device for usein effecting the electro 46 particular requirements without departing from deposition of metal as claimed in claim 1 wherein 45 the spirit thereof. ‘ the electrode formed from the metal it is desiredv What I claim and desire to secure by Letters to deposit and its associated absorbent pad are Patent of the United States of America is:— of curved formation. 1. A device for use in effecting the electro-v RALPH HAROLD ADEY.