US2110306A - Selvedge printing apparatus for woven goods - Google Patents

Description

March 8, 1938. H. NABHOLZ 2,110,306

SELVEDGE PRINTING APPARATUS 'FOR WOVEN GOODS Fi led Feb. 10, 1936 Patented Mar. 8, 1938 UNITED STATES SELVEDGE PRINTING APPARATUS FOR WOVEN GOODS Hans Nabholz, Zurich, Switzerland, assignor to Maschinenfabrik Riiti vormals Caspar Honegger, Ruti, Switerland Application February 10, 1936, Serial No. 63,230

1 Claim.

Machines for printing trade marks or other indications on the selvedges of clothare already known; in such machines the cloth, which is always slightly varying in width, is guided by a special appliance generally actuated by com pressed air or by electricity, in such a way that the stamp is put onv the selvedge always at exactly the same distance from the cloth-border.

In the apparatus according to the present invention it is not the cloth selvedge which is guided under the stamp, but the stamp is displaced or steered and follows the track of the selvedge.

Further for getting exact prints it is necessary, that all the letters of the stamp are covered with an evenfilm of the ink; therefore it is necessary that the roller which applies the ink to the stamp turn with the same circumferential speed as the stamp and does so, before the stamp comes into contact with the roller. If the speed of the roller were less than the speed of the stamp thenthe first letter of the mark would get too much ink and produce an uneven print.

In the present invention a selvedge-printing apparatus is shown, in which the stamp is steered to follow exactly the selvedge-track and which is provided with a special appliance for laying a thin film of ink on the stamp by means of a roller, rotating with the same circumferential speed as the stamp.

The annexed drawing shows diagrammatically an embodiment of the invention:

Fig. 1 is a side View of the selvedge printing apparatus, fixed to a Palmer cloth finishing machine;

Fig. 2 shows the shaft-end of the stamp-bearer and the parts for displacing the latter on th shaft;

Fig. 3 shows the ink-box and the ink rollers, and as well as the stamp-bearer;

Fig. 4 shows some details of the stamp-bearer.

In order to show the working of the selvedgeprinting apparatus, the latter is represented in Fig. 1 applied to a felt-cloth calender, a so-called Palmer, for finishing woven fabrics. I is the frame of such a Palmer, 2 is a heated cylinder, 3 a guiding cylinder for the felt-cloth 4, and 5, 6, 1, 8, 9, Ill, II and I2 are guiding rollers for the felt cloth. The fabric I1 runs through the Palmer between the heated cylinder 2 and the felt cloth 4, and is conducted over the guiding rollers l3, l4, l5, I6 and on its way one selvedge is marked by the stamp of the selvedge-printing apparatus, mounted on the supports I8, which are fixed to the Palmer.

These supports l8 carry a shaft l9, on which is placed the carrier 20 of the stamp plate 2|, movable to the right and to the left by means of a key and a groove. The shaft I9 is driven from the guiding roller 1 by a chain by means of the chain wheels 22a and 22b and by the spur gear wheels 23 and 24.

The boss of the stamp-bearer 2!! has a groove 25, in which the end 26 of the spindle 21 enters, the latter being guided in a box 28 in the support ill by means of a key fixed to the box 28 and a groove along the spindle 21. The spindle 21 has a threaded surface and a chain wheel 33 with a corresponding threaded bore mounted thereon. Said wheel 33 is secured by its flange 34 to the support is. Thus the wheel 33 when actuated causes the spindle 21 to slide inwardly or outwardly in its bearing and adjusts the stamp carrier 2B.

A pin 35a on the rod 35 which is placed at an adequate distance of the roller l4 and which is fixed to the spindle 21, indicates whether the cloth-selvedge runs straight or whether its track deviates to the right or to the left. When such a deviation takes place, then the chain wheel 33 is turned by the attendant of the machine by means of the handwheel 30 on the steering post 29, whereby the chain wheel 32 and the chainalso are turned so that the spindle 2-1 is made to slide along the key fixed to the box 28, carrying with it the stamp-carrier 20. The chain wheel 33 is turned. so long, until the track of the cloth selvedge coincides again with the pin 35a. The distance between the pin 35a and the roller I4 is such that the time wanted for the cloth to run through this distance, is just sufficient for removing the spindle 21 so much that when the part of the cloth which was deviating from the straight track arrives on the roller M, then its border runs at an unchanged distance of the stamp track.

The stamp-ink is poured in the box 36 and is taken from there by a system of rollers 31, 38, 39, 40, 4!, driven from the shaft I9 by means of the chain-wheels 42 and 43, the small shaft 44 and the toothed spur-wheels 4546. These rollers 31-4! grind well the ink and transform it into a thin film, which is applied evenly on a swinging roller 41, which by means of the cam 38, the double lever 49 and the connecting rod 50 is oscillated about the pin 5|. The cam 48 is so formed that the swinging roller 41 is brought to a point in the track of the stamp before the stamp arrives at that point. To the bearer 20 on the side of the stamp 2| is screwed a segmentlike piece 52, the track of which has exactly the 15 a v the features specifically mentioned above and it diameter as thetrack or the stamp; this piece 52 rotatesthe roller 41 before the stamp touches it, whereby the circumferential speed ,of the roller 5Iand of the stamp 20 will beex- 'actly the same and the ink-film is evenly transferred onto the stamp.

The printing by the vedge takes place'at the moment when the cloth runs'over theroller 14, covered with rubber-and supported by the bearing levers 53 on the shaft 54; by means of the handwheel 56, with spindle 51 and the lever 55 the roller 54 is put into the right position according to the thickness of the fabric:

" the said invention, and that it might be applied 1 Obviously the present invention is not limited to must be understood that various constructional modifications may be-adopted within the scope of stamp on the cloth-selr not only to a Palmer, butto any kind of machine through which cloth is conducted.

What I claim is:

In an apparatus for printingtrade-marksor other indications on the selvedge of woven cloth: pieces, without thecloth borders being forclbly guided, the-combination with a member enabling the {attendant to ascertainthe deviation of the cloth border from'a straight line'at an adequate distance from the place in the printing apparatus where the stamping takes place, of means enabling the attendantto laterally adjust the stamp bearer. according to the said deviation before the deviating part of the cloth has reachedthe said place forthe purpose of obtaining p ints on the laterally adjusted cloth border always {in the same distancefrom this border.

' HANS NABHOIQZ.

Images