US40700A - Improvement in fulling-mills - Google Patents

Description

L Nirnn STATES IMPROVEMENT IN FU LLlNG-MILLS.

Specilication forming part of Letters Patent No. 40,10), dated November 24, 1863.

To all whom it may concern Be it known that I,'I`HOMAS J. MAYALI, of Roxbury, in the county otl Norfolk and State of Massachusetts, have invented oertain new and useful Improvements in Machines for Fuling Cloth; and I do hereby declare that the following description, taken in connection with'the .accompanying drawings, hereinafter referred to, forms a full and exact specification of the same, wherein I have set forth the nature and principles of my improvements, by which my invention may be distinguished from all othersof a similar class, to gether with such parts as I claim and desire to have secured to me by Letters Patent.

In fulling cloth by the ordinary machinery employed considerable difficulty is usually experienced, arising mostly from the fact that the cloth is subjected to very hard straining, squeezing, and pounding, and from the knotting77 of the same, occasioned by the unequal tension in its different parts, to which it is necessarily exposed, and from other causes. These and other difficulties in working fullin gmills render the operation a tedious one, and one requiring much care, producing goodsth at are often unequally fulled.

The delay in time occasioned by the neces- -sity of overhauling as it is termed, the

cloth to take out the knots and allow it to pass freely through the machine is a very serious disadvantage.

In my experiments in fulling goods it has been demonstrated that they need to be subjected to both a rubbing and a squeezing process, but in such a manner that no undue strain sh'all possibly take place upon any portion 0f the cloth, but, on the contrary, that the tension shall be always uniform, and moreover that the devices employed for producing the rubbing and squeezing operations, shall be of such a nature, and so arranged, as to not only keep up the requisite tension, but also to be self-adjusting, elastic, and yielding, so as to prevent the possibility of knotting.

In my new fulling-mill I employ, to produce the rubbing motion, two or more longitudinally corrugated or fluted rubber or other elastic rollers, between which the cloth to be fulled is passed, after having been fed through a trough filled with the proper cleansing liquid, and also two or more elastic rollers with plain and continuous peripheries, which take the cloth and squeeze out the liquid with which it has been saturated. These operations of saturating, rubbing, and squeezing, are successively 'performed until the fulling is completed. From this arrangement it will be seen that by the use of elastic corrugated rollers the rubbing of the clothis accomplished in an entirely novel manner, as the utes of these rollers take up and eft'ectually perform the necessary rubbing manipulations, and at the same time, from their elastic nature, prevent the possibility of any obstruction to the free passage of the cloth, whether from knotting or other causes.

In the accompanying drawings a fullingmill is represented, constructed in accordance with my improvements.

Figure l is a plan or top view of the same.

-Fig. 2 is a side elevation. Fig. 3 is a central vertical longitudinal sect-ion of the same.

a a a a in the drawings represent the sup porting frame-work of the machine.

b b is a trough filled with any proper fullingliquid.

c c are two rollers, formed of india-rubber, gutta-percha, or other similar elastic material, and having longitudinally uted or corrugated peripheries, as shown in Figs. l and 3. These rollers are susceptible of adjustment by means of movable journal-boxes and set-screws, so as to accommodate different thicknesses of goods.

d d are two elastic rollers, also susceptible of adjustment, having plain and continuous peripheries.

The cloth to be fulled is first passed through the liquid in the trough b b, thence between the iiuted rollers c c, and 4finally between the rollers d d, when the two ends are joined together, so as to form an endless band, which is fed continuously through the troughb b, i

between the rollers c c, and lastly between the rollers d d. The rollers c c take up the cloth between their elastic corrugations, and draw the same with a uniform 'and yet yieldingstrain so as to effectively perform the necessary consolidation of the cloth, technically called fulling without the danger of subjecting it to undue straining or the formation of knots during the process. The elastic rollers d d then squeeze out the superuous liquid in the cloth, which is again saturated in the trough b b, and then rubbed and squeezed, as before, until the fulling is completed.

Having thus described my improvements,-

Wliat I claim as my invention, and desire to secure to me by Letters Patent, is

In afullin g-mill, the combinationIof a trough for containing the proper liquid, two or more Witnesses:

JOSEPH GAVETT, ALBERT W. BROWN.

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