Патент USA US2118719код для вставки
May 24, 1938. ‘ v s. F‘. WRAAL ' > COATING -' 2,118,719 _ DEVICE ' Filed Jilly 7, 19s? I s Sheets-sheaf 1 [?' 1 g, :30 1. 6 6 Jar _ ~24 2 -w@ Z5 . . e‘L'P ' 181/" M8524, 1938( s. F. WRAAL’ ‘ 2,118,719 comma DEVICE . Filed July 7, 1937 3 Sheets-Sheet 2 . May 24, 1938. ' s. F. WRAAL 2,1183% COATING DEVI_§E Filed July 7, 19:57 ‘.20 P22 :5 3 Shv'eetseShee-t s , Patented May 24, 1938 ‘ 2,118,719 1 UNITED STATES " PATENT ounce ' 2,118,? 19 COATING DEVICE Sverre Frithjoi' Wraal, London, England, assignor to Ardecor (Products) Limited, London, Eng land Application July '1, 1937, Serial No, 152,408 In Great Britain April _19, 193': 10 ‘Claims. (Cl. ill-62.6) This invention relatesto devices for applying sively decreases as it approaches the centre of 1 paint, distemper and the like to ?at surfaces the roller. such as walls, of the kind comprising a portable appliance in which a printing roller or colour transferring roller is adapted to be moved up and down or across the surface to which the paint or distemper is to be applied. Such a device has comprised a hollow container-con taining one or more colours in troughs and roll 10 ers by which the colour is transferred to the roller which is in contact with the wall, and the colours, when more than one is used, are adapt U tial ridges which are relatively displaced from the ridges in the ?rst-mentioned roller, that‘is to say, the centre portion of this second colour receiving roller has its widest ridges at or near ‘ .the centre. These ridges are progressively di minished in thickness as they approach the ex tremities of the roller and ?nally end in two ed to be applied in stripe-form, the edges of the two contrasting colours being toned down or more rows of ridges which are gapped or in terrupted in a manner similar to that of. the so as to merge one into the other. ?rst-mentionedrollen. The colour, therefore, re 15 The object of the‘ present invention is an im proved appliance of this kind in which better means are provided by which the contrasting colours will be merged one into the other, the 20 arrangement permitting of two or more colours to be simultaneously applied. , In carrying the invention into e?ect with an apparatus for applying two colours, the hollow casing is provided at its lower part with two troughs adapted to contain the two colours that are chosen and these troughs may be replenished from time to time by means of ducts or chan nels‘ leading from the exterior of the appliance to the respective trough. 30 The other roller which is designed to receive colour from the second trough is constructed with a similar series of upstanding circumferen- 5 In order to transfer the colours or the colour or distemper in each trough, a roller is immersed in each and the surface of such rollers is pro vided with a number of small projecting points or protuberances by which the colour transfer ring action of the rollers may be facilitated to other rollers as will be described. Rotating in contact with these rollers in the respective troughs are two other rollers which are made of special form, that is to say,- the 40 roller receiving the colour from one trough is provided at its relatively opposite ends with a series of upstanding ridges of circumferential form, and the width of the respective ridges is progressively narrowed from the extreme end. 35 There are a number of these progressive contin- ' uous ridges which become narrower as they ap proach the centre of the roller and such ridges are continued as smaller ridges which are 50 broken or interrupted by means of gaps formed therein and such gaps are relatively displaced over the respective ridges. ceived on this second roller is of such a charac ter that it is mainly concentrated on the centre portion of the roller and becomes less outwards. Thus, comparing the two colour receiving rollers the?rst one will receive thev greater quantity of 20 colour towards its ends whilst in the other roll er the greater amount of colour will be concen trated on the centre portion of the roller. . .With the colours thus distributed on the two rollers and preferably of contrasting e?ect, there 25 is arranged above the two rollers and riding in contact with their peripheries a colour combin ing roller and this roller rides in contact with the raised circumferential ridges on the colour receiving rollers and is rotated by contact there with, by‘ which the combining roller receives one colour principally on the middle of the roller whilst the two outer portions of the combining roller receive the colour from the ends of the other colour receiving roller.‘ These two prefer 35 ably contrasting colours are caused to merge one into the other by the relatively narrower and interrupted ridges with which the two colour re ceiving rollers are provided and such combining. roller rotates in contact with a still further roll er which may be termed “the colour applying roller”. This colour applying roller has prefer ably a relatively soft felt-like coating which has the e?ect of smoothing out the colours and caus ing them to be merged or toned into one an other to prevent any sharply de?ned edges. It will be evident that this colour applying roller will either be made as a continuous cylindrical periphery, or it may be broken up into a series of circumferential sections, or divided parallel to the axle. From the above it will be appreciated that the The construction of such roller causes, there colour applying roller will rest against the sur fore, the roller to pick up a quantity of colour face to which the colour is to be applied and the 55 at each end and this quantity of colour progres casing is such that as it is worked up and down 55 . 2,118,719 ‘the wall or across the wall, so the colour will be applied by the soft applying roller described. The casing is fitted with suitable projecting guide rollers in addition to the colour applying rollers so that the proper traverse over the wall _ is facilitated and for this purpose the device or casing may be provided with a suitable handle at its rear. Moreover, the rear of the casing may be provided with a horizontal spirit level. 10 The operator may by sight keep this horizontal and he will then know that the up and down movements of the device will be vertical. Referring to the accompanying drawings which illustrate by way of example a device made 15 in accordance with the invention: ‘ Figure '1 shows the device in elevation from the Figure 2 shows a sectional view of the device on line 2-2 of Figure 1. not in use. At the back of the casing a spirit level '26 is 15 provided to enable the operator to maintain the rollers employed in the device. that the travel over the surface to be coloured is effected vertically. _ Figure 3 shows the device in elevation from the front. Figures 4 and 4a show in elevation the ridged ' In these ?gures (1 to 3) l represents the cas 25 ing, preferably of metal, provided with a handle 2. The colour applying roller I9 is adjustably mounted by means of sliding brackets 2| which carry the bearings 22 for the said roller, the ad Justment being effected by means of butter?y nuts 23. The device is provided with roller 24 which keep the‘ device a slight distance from the wall or other surface during the travel thereover by the colour applying roller IS. A foot 25‘is provided to enable the device to rest in a_ substantially horizontal position when , device in a horizontal position and thus ensure rear. 20 merged colours from the feed roller to be de ' posited thereon. ' It is to be understood that the invention is not 20 limited to the use of two colours since by suitable adaptation three or more colours may be used and this will be provided for by ‘additional sets of colour receiving rollers, these being ridged rela tively to one another so as to obtain the effect 25 ,above described that the contrasting stripes of As shown in Figure 2 the casing is divided lon , colour shall be caused to merge one into the other. gitudinally by means of a partition 3 into two In a modification the colour applying roller colour compartments 4 and 5 each of'which is may be formed as an engraved surface either in '30 provided with a spout 6 at the back of the device relief or in intaglio so as to obtain a stencllled enabling the colour to be introduced into the design effect on the stripes applied to the surface respective compartments. The spout of the front desired. compartment is provided with a tubular passage I claim:-‘ way 1 enabling the colour to be conducted through 1. A device for applying colour to surfaces 35 the rear compartment 5 to the front comparta comprising a casing, colour reservoirs at the base of said casing, transfer rollers mounted in said ment 4. Within the casing l two sets of rollers 8, 9, and casing and adapted to dip into each of the said I0, II respectively are provided, 8 and Ill bearing colour reservoirs, ridged rollers mounted in the on the lower ends of guideways l2 and I3 respec said casing and in peripheral contact with each 40 tively, which guideways are provided at each end of the said transfer rollers, the said ridged rollers of the casing l. The upper rollers 9 and Hare being provided with a series of ridges so as to carried in the said guideways and bear on the receive and apply colour over a length different from the adjacent ridged roller, a common colour lower rollers 8 and Ill respectively. I The rollers 8 and Ill which may be made for feed roller mounted in said’ casing in peripheral contact with the said ridged rollers from which 45 example of metal dip into the colour compart ments 4 and 5 respectively and are provided on it receives ‘colours by contact with the ridges their surfaces with a number of projecting points thereof, and an adjustably mounted colour apply or protuberances ll which facilitate the picking ing roller which rotates in contact with the said up of the colourswhich are transferred to the feed roller and with the surface to be coloured. 2. A device for applying colour to surfaces rollers 9 and I l respectively. As shown in Figures 4 and 4a these rollers 9 comprising a casing, two colour reservoirs at the and H which may be made of hard wood are base of said casing, transfer rollers mounted in provided with peripheral ridges some of which the said casing over each colour reservoir, ridged may be discontinuous. The ridges on roller 9 are rollers mounted in the said casing and in pe 55 so disposed that they receive colour in increasing ~ ripheral contact with each of the said transfer quantity towards the centre of the roller while rollers, the said ridged rollers being provided the ridges of roller II are so disposed that they with ridges so that the ridges of one roller are receive colour in increasing quantity towards the wider at the centre of the said roller and diminish towards the ends thereof, while the ridges of the extremities of the roller. other roller are wider at the ends thereof and 60 The colours from the rollers 9 and I l are trans ferred to the colour feed roller l6 and become diminish towards the centre, a common colour merged into each other. As will be seen from feed roller mounted in said casing in peripheral Figure 2 the colour feed roller I6 is supported contact with the said ridged rollers from which‘ it receives colour by contact with the ridges there by and between the rollers 9 and II and is held of, and an adjustably mounted colour applying 65 in guideways I’! provided at each end of the cas roller which rotates in contact with the said feed ing I. . roller and with the surface to be coloured. The colour feed roller 16 may be provided with 3. A device as claimed in claim 1 the transfer a hard rubber or like surface upon which a rela rollers of which have a broken surface to facili 70 tively large number of circumferential grooves tate transference of colour from the reservoirs I8 are formed. This colour feed roller l6 contacts with an ad justably mounted colour applying roller l9 having a soft felt-like surface 20 which in turn contacts 75 with the surface to be coloured thus enablins the to the ridged rollers. 30 35 40 45 55 60 65 70 ' 4. A device as claimed in claim 2 the transfer rollers of which havea broken surface to facili tate transference of colour from the reservoirs to the ridged rollers. 76 9,118,719 5. A device as claimed in claim 1 in whichthe feed roller is mounted on brackets adjustably secured to the casing. . 6. A device as claimed in claim 2 in which the feed roller is mounted on brackets addustably ~ 8. A device as claimed in claim 2 in which guide rollers are provided at the lower part of the casing which co-operate with the feed roller to facilitate movement thereof over-the surface secured to the casing. 7. A device as claimed in claim 1 in which guide rollers are provided at the lowerpart of to be treated. 9. A device as claimed in claim 1. wherein levelling means are provided on the casing. 10. A device as claimed in claim 2 wherein the casing which co-operate with the feed roller levelling means are provided on the casing. 10 to facilitate movement thereof over the surface to be treated. ‘ 10 SVERRE‘ FRITHJOF .