US1610379A - Fabric buffing wheel - Google Patents

Description

J. P. HOOPER FABRIC BUFFING WHEEL Dec. 14, 1926.

Filed March 24, 1925 I UNITED sT Ares PATE

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FABRIC BUFFING WHEEL.

Thereare nowon the marketer otherwise obtainable through the regular commercial sources, various makes of fabric bufiin Wheels consisting each of a circular block or disk of cotton duck composed of numerous thicknesses of duck or similar fabric having a a central aperture for the arbor. These wheels are well adapted for use in polishing metallic and similar articles having substantially regular surfaces Whether they be flat or curved, but they are not adapte for use in lace of a soft cloth to produce the final hig polish that is desired in many instances or to clean and polish irregular surfaces as chased silverware or'the like where the cleaning or polishing member must reach into the crevices and must not be so hard as remove projecting portions, or where p in other .Words a comparatively soft butter 1s necessa 1 I r The, dlfiiculg incident to providing a soft butter for suc purposes is to produce one which meets this requirement, and is at the same time of s'ufiicient length of life to be more elficient in operation. than a handwielded wheels w flatten out until thgy become a shapeless mass of disintegrate fibre. 7 The object of the present invention is to produce a soft butting wheel which will retain its shape and function as intended through a reasonable length of life.

In the preferred form the buffing wheel of the invention consists of a disk or circular block of fabric having a central aperture for the arbor and composed of alternate-layers of soft cotton padding and of duck, the duck forming the outside surface on both sides of the wheel and being also placed beta een the respective layers of padding. The paddin while it may be of any suitable type is, in t eform of the invention shown and preferably of the variety shown iii-my United States Patent No. 1,471,029, dated Oct. 16, 1923. This" ype of padding has a weft or filling of soft cotton resembling a cotton roving and a warp of thread or yarn uhich is interwoven between and about the filling, holding the soft cotton weft in posiich have been made soon flare and polishing cloth. The soft bufiing Application flled March 24,1825. Serial No. 17,874.

ressing the soft city and cushiontion without undulycom cotton or reducing its elasti ing properties. a

In building up the buffer wheel the re spective thicknesses laid with the cotton instance at right an ing wefts or r0 vin roving or weft in each gles to the corresponds of the adjacent ayers of similar materia, the manner of laying" the .duck between the thicknesses of cotton padding being less important, though this may to advantage be likewise laid with the warp. and filling of each layer of duck at r1 ht angles to the warp' and filling ,of the a jacent layersof the duck. f I When the fabric is thus laid in the construction of each \wheel, it is preferably stitched through and through with a series of spaced circular seams concentric with the wheel and with the central opening therein for the arbor, and also with a series of radial seams which ma loop or U-shaped curve spaced sllghtly outwardl from the centre or in the form of a V wit the vertices near the centre so as to give sufiicient room for the stitchin y In the preferred form the U-shaped or looped seams are combined with the V-type radial seam.' a I Within the scope of my invention I also provide the buffing wheels when desired of cotton padding are be either 'arran ed with a T OFFICE.

with an abrasive element which may be com- V posed of afinely powdered abrasive as tripoli, corundum, rouge or pumice applied to the fabric in the form of'a paste before assembling the wheel. This may be applied to all of the materials or to the soft padding only, or to alternate layers of the Soft ding, and the paste may be formed by mixing with the finely powdered abrasive either water, adhesive, a drying oil or a non'drying oil, depending u on the character of. the work to be done and the nature of the articles to be buffed. The paste may be made thin and the fabric which is so treated may be saturated with it, or the abrasive may be otherwise applied to the fabric within the scope of my in vention,

In the :mcon'ipanying r'lrawing I have illustrated preferred and secondary form of pad- ' larged scale.

. fabric and padding broken away to'disclose bufier wheel constructed in accordance with 7 my Y 7 p of soft cotton or similar This padding, as shown,

invention. In the drawings- Figure 1 is a side elevation of the preferred form of wheel. v

Figure 2 is a plan of the same. Fi ure 3 is a'fragmentary section onthe line 3 of Figure 1 and on a somewhat en- Figure 4 is a fragmentary perspective of the wheel showing the different layers of the underlying portions Figure 5 is a side elevation ofa slightly modified form of-wheel in accordance with the invention.

Referrin to-the drawings by numerals, each of which is used to indicate, the same or similar parts in thedifi'erent figures, the bufling wheel 1', as shown in Figures 1, 2, 3 and 4 consists otfour layers or thicknesses padding 2,3, 4,15. consists of parallel lines or strands 6 of soft cotton and a knitted thread mesh 7 consisting of loops or other arrangement of the threads extending transversely to the soft strands and holding the soft strands in position. This is the preferred arrangement, though the minute details described are-not regarded as essential to the invention. The alternate adjacent layers or thicknesses of cotton paddingv this 2, 3,4, 5,. are preferabl "arranged with the soft strands 6 resembling roving which though described as of cotton,may be of any suita le fibre, at right angles to each other, that is the soft strands 6 of the layers or thicknesses of cotton padding 2and. 4 are at right an les or at an angle approaching aright ang e to the soft strands 6 of the layers of padding 3 and 5.

While thecotton padding arranged as described presents a considerable resistance to wear, it is preferably sustained by alternate layers of duck 8, 9, 10, 11, 12, or other material, sufficiently soft and having suflicient supporting and wear-resisting properties for purpose. The alternate layers of duck 8, 10, 12 may to advantage be placed with their warp and weft at right angles to the respective warp and weft threads of the alternate intermediate layers 9 and 11.

Each of the bufiing members 1 is preferably of a disk form with a central aperture 14for the arbor. v The respective layers of material may be secured together in any suitable manner. Preferably and as shown, the thicknesses or layers of fabric are sewed together by circular seams 15 sewed through and through the registering overlying layers of padding and duck or other'fabric and concentric with .the arbor hole 14 and in addition to the concentric seams 15, in the form shown in Figures 1, 2, 3, and 4, I have also shown radial centric seams 15, the circular "exceedingly difficult an layers of seams 16, and placed intermediately of the radial seams 16 I haveshown alternatelyplaced U-pattern seams 17 having their legs 18 substantially radial and the bend of the U, 19

tangent to one of the inner circles 15, though this exact arrangement is not essential, and in addition to the main U-shaped seams '17,

I have shown lesser intermediate 'U-pattern seams 20, having their legsradial and the bend of the U tangent to one of the intermediate circular seams '15.

In Figure 5, I have shown a ferent form of buffer wheel having the through and through seams diflt'erently ar- C v wheel has circular conseams in both instances being preferably continuous for ranged. This bufier convenience in sewing, and radialv V-seams' 21 extending outwardly. from -one of the circular seams 15 near the centre but spaced slightly outwardly to prevent undue thickening and rigsdity of the central portion. 1'

. own in this connection four rahave also s dial seams 16.

While soft buiier wheels have been found desirable .for various 'urposes, it hasbeen hasany considproduce a soft/wheel which this erable length of life suflicient to make type of wheel commerciallg structure disclosed is foun to serve the purpose to great advantage, as the arrangement. of cotton padding between the duck with the circular seams and of the layers the radial seams provides a soft wheel which will perform the give the highest olish and at the same time has a considerab e length of life.

The abrasive material referred to in the preamble is not shown in the drawing, as it does not necessarily change the appearance of the fabric as illustrated.

The arrangement of the particular type of padding described with the soft cotton strands 6 in the alternate layers at right angles to each other, is of great advantage as the fabric as shown with the threadloops 7 almostimpossible to acceptable. The

finest bufling operation and slightlydiff a tends to retain its shape and the arrangement 7 of the soft strands at right angles, so that the ends of substantially half of these soft. strands or an average of half of them are presented atthe operative edge ofthe wheel at all points is of great advantage in that it gives a uniform polishing effect and pre-' vents disintegration, and with the protec tion incident to the arrangement of the alter-' 3 nate layers of duck with the through and through sewing, gives a wheel the length of life which compares favorably even with the solid duck wheels and which is much more effective where asoft bufiing efi'ect is* desired.

I have thus described specifically and in detail two slightly difierent forms of my invention in order that the nature and operation of the device may be fully understood; however, the specific terms herein are used ties than the padding serving to protect the descriptively rather than in a limitin sense,

v the scope of the invention being de ned in padding and prevent disintegration of the wheel, and means for securing the respective layers together.

2. A buffer wheel composed of layers of padding, the padding consisting of arallelt soft strands and transverse threads olding the soft strands in position, alternate layers of a flexible material having greater wear resisting properties than the padding serving to protect the padding and prevent disintegration of the wheel, and means for securin the respective layers together.

i ned by me at Baltimore, Maryland, thi 23d day of March, 1925.

JAMES P. HOOPER. I

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