US1695437A - Printing roller - Google Patents

Description

l'Dern 1s, 1928.`

J. P. NISSEN, JR PRINTING ROLLER `Filed Jan. 17, 1925 nega-e ocaso 777177 7? 771' ssen, fr'.

. PatenteclDec. 18, 1928. l

UNITEDL STATES PATENT OFFICE.

PRINTING ROLLER( Application 'filed January 17, 1925. Serial No. 3,653.

The present invention relates more particularly to the means for transferring ink from an inking surface to a printing surface.

'Ihe primary object is to provide a transfer roller that Will carry an adequate supply of ink, and deliver it to the printing surface Y without smearing it overthe parts, and thus causing an improper imprint. The invention has been found particularly useful in the printing of fabric, and especially hosiery, wherein designs, trademarks, and the like, are permanently applied. L In this Work I have found that a plain surface roller `will not supply a suiiiciently heavy body of ink, and if the amount of ink is increased, it is smeared by the roller over portions other than the desired printing surface. These coming into contact With the fabric, produce an obviously undesirable impression. This is overcome by the following invention.

In the accompanying drawings:

Figure 1 is a view diagrammatic in its character of a printing press employing the ink-transferring roller, l

Figure 2 is a side elevation of said roller,

Figure 3 is a cross sectional view therethrough.

The roller is of the usual cylindrical form, and comprises a body 4 of elastie'character. Q I have found a high grade resilient rubber to be the most satisfactory. The surface of the roller is provided with a series of opensided pockets 5. These pockets preferably are elongated longitudinally of the roller and are disposed in staggered relatipn, as shown l in Figure 2.

In Figure l there is illustrated at 6 an inking surface and a printing die or member at 7 the latter cooperating with a platen 8 on which the stocking or other article to be printed is placed. The roller, as usual, is

mounted to swing between the inking surface and the die 7, collecting ink from the former and transferring it to the latter.

Actual practice has demonstrated that with the employment of pockets in a roller of highly flexiblematerial, the ink is carried in sufficient quantities to the stamping or printing die, so that When the latter operates on the article to be printed, the amount of ink gives a very clear impression and the design is actually elevated upon the surface of the fabric. The pockets moreover make the surface of the transfer roller more yielding than is the case with a smooth surfaced roller, and this apparently adds to the desirabley effect secured. By having the pockets elongated the roller may be more effectively cleaned byrubbing its surface longitudinally -With a cleansing rag or cloth.

From the foregoing, it is thought that the construction, operation and many advantages of the herein described invention will be apparent to those skilled in the art, Without further description, and it will be understood 6 that various changes in the size, shape, proportion and minor details of construction maybe resorted to Without departing from the spirit or sacrificing any of the advantages of the invention. i

What I claim, is:

An inking roller for printing presses comprising a substantially cylindrical solid bodyr of resilient rubber-like material, having integral outstanding peripheral Walls of said yielding material forming'ink-holding pock-l ets in its periphery that are elongated longitudinally of the axis of rotation of the roller and open through its periphery.

In testimony whereof, I aiix my signature.

JOHN P. NIssEN J".

Images