|Publication number||US361849 A|
|Publication date||Apr 26, 1887|
|Filing date||Sep 30, 1886|
|Publication number||US 361849 A, US 361849A, US-A-361849, US361849 A, US361849A|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (17), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
. J. E. TAYLOR.
PROGRSS oP AND APPARATUS PoR MAKING RMBOSSRD PAPRR.
No. 361,849. Patented Apr. 26, 1887.
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Unire Smarts Partnr trice.
JOHN E. TAYLOR, OF SPRINGFIELD, MASSACHUSETTS.
SPECIFICATION forming part of Letters Patent No. 361,849, dated April 26, 188'7. Application filed September 30, 1886. Serial No. 214,914. (Specimens.)
T0 @ZZ whom, it may concern.-
Be it known that I, JOHN E. TAYLOR, a citizen of the United States, residing at Springfield, in the county of Hampden and Commonwealth of Massachusetts, have invented a new and useful Process of and Apparatus for Making Embossed Paper, of which the following is a specification, taken in connection with the accompanying drawings, formi ng part thereof.
My invention relates to the manufacture of embossed paper for use in all grades of fancy stationery, and in all of the various arts where the employment of paper having an ornamental finish is customary or desirable. It has for its object to simplify the processes of producing such paper as heretofore practiced, to lessen the cost of such production, to produce a better quality of paper, and to facilitate the reproduction in the body of the paper of any design or pattern the fancy of the user may dictate.
To these ends my invention consists in a new process of making embossed paper, which comprises the application to the web of moist paper at a point between the couch-rolls and the drying-rolls, at which time it is in condition to most readily receive and retain the impression of a textile fabric of vegetable, animal, or analogous ber, having the pattern which it is desired to emboss upon the pulpy sheet. l
My invention consists, further, in the special means devised by me for practicing this novel method, as hereinafter fully described, and particularly pointed out in the claims.
Heretofore, so far as I am aware, the embossed finish has, 'when a textile fabric of vegethe application of shellac; but I do not know that this latter method has been successful in practice. I am also aware that it has been proposed to emboss the moist undried paper by an engraved metallic roll, and I do not wish my claims to be understood as extending, broadly, to the embossing of the moist undried paper by whatever means.
Embossing by an engraved roll, while it secures fairly good results, is open to serious objections, in that the expense of producing `the design upon the metallic roll is very considerable. It necessitates passing the paper through the calenders-an operation additional to and distinct from its manufacture-at an increased cost of time and labor, and the paper thus treated is more or less brittle and unserviceable, owing to the crushing and rupturing of the fiber by the sharp unyielding surface of the metallic die, particularly when the paper is of light weight. These objections are necessarily true of any mode of imparting an embossed ornamentation to paper' after it has passed through the last stage of its manufacture-t0 wit, the drying process-for its ber is then set, and every line impressed in its surface displaces the ber, and to that extent Weakens the paper. I have discovered that these objections can be obviated'and a beautiful finish imparted to paper Without detracting from its tensile strength, at the same time avoiding the expense and other obj ections attending the use of an engraved metallic` roll by applying fabric of vegetable, animal, or analogous ber to the web of paper in its semi-pulp condition before it reaches the drying-rolls. The paper at this stage of its manufacture is of such consistency that the particles thereof adjust themselves to the outlines of the design, so that the latter is literally worked into the body of the,V
The important feature of my invention incident to working the design into the paper at of a soft textile medium for conveying the impression enables me to select designs from the rco to a clear understanding thereof.
almost endless variety of manufactured fabrics, and to change from one to another with great facility.
Vhile it is immaterial to the broad idea embodied in my invention at what particular point within the limits I have mentioned the ornamentingapparatus is located, I have shown in the drawings what I believe to be the best application thereof to an ordinary paper-making machine.
In the drawings, Figure lis a side elevation of so much of a paper-making machine with my invention applied thereto as is necessary Fig. 2 shows a slight modification of the manner of applying my invention to the same machine. Fig.
3 is an enlarged perspective view of the pressroll() in Fig. 1. Figs. 4, 5, and 6 show eX- Y amples of the fabric employed in carrying out my invention.
`The letters A B and C D indicate the two sets of press-rolls, and E Fl one of the pairs of that, however much the various styles of main the drawings.
chines differ in other respects, they are all substantially the same at this point, and also for the reason that my invention is confined to this part of the machine. It will be understood, therefore, by those skilled in the art that the web of pulp, after leaving the couchrolls, (not shown,) passes, as indicated by the arrows in Fig. l, directly to and between the first set of press-rolls, A B, thence to and between the second set of press-rolls, C D, and thence to the drying-rolls E F, which vary in number in different machines, and from which drying-rolls-the web issues in the form of finished paper.
rI he couch-rolls press the bulk of the water from the web, and the two sets of press-rolls extract the greater part `of what remains; but until it reaches the drying-rolls it retains its moist semi-pulp condition. At any `point between the couch and drying rolls,
therefore, the paper is of the proper consistency to have vmy invention successfully applied thereto; but I have found that the best results can be obtained by utilizing one of the second set vof press-rolls for the purpose, as illustrated In thus carrying out my invention I secure to the periphery of the roller `C a strip of fabric, L, (see Fig. 3,) having-the figure which I desire to reproduce in the paper. The meeting edges of the strip should come together without overlapping, and in such a manner as to match77 the parts of the gure on each.
The fabric should embrace the roll with sufficient strain to prevent all puckering or wrinkling, and I have found that a convenient manner of securing this result is to put the fabric around the roll in a dry condition and unite its meeting edges by a line of stitches with strong thread, the shrinkage of the fabric,when wet by its contact with the paper, -causing it to embrace the roll with sufficient force. If desired, the sides of the strip of fabric can also be anchored by loops of thread or twine eX- tendingl therefrom at shortintervals to collars of felt or other fabric placed upon the shaft of the roll at the ends thereof. The roll thus equipped is lowered into contact with roll D, and as the web of paper passes between them the weight of roll O causes the particles of the plastic vmass to assume the outline of the pattern of the fabric, and the web passes on through the drying-rolls and issues therefrom in the form of finished paper, having a beautifully embossed surface.
In Fig. 2 I have shown another mode of applying the fabric to the paper, in which C' D indicate two rolls, which may be one of the two sets of press-rolls shown in Fig. 1, or two additional rolls placed on the machine at some point between the couch and drying rolls. H
the strip of fabric secures the same result as v the one rst described; but, as it necessitates placing additional rollers on the machine, I prefer to utilize the regular press-roll, in the manner first described.
I am not limited in the fabric to be employed to any particular class or grade of fabrics; but
to obtain the best results it should be either loosely woven or consist of open-worked iig- IOO lires-such, for instance, as I have shown in Figs. 4, 5, and 6.
The meeting edges of the strip may be reenforced by a cloth facing on the under side in the use of delicate fabrics, and if very delicate the meeting edges may overlap, care being taken to correctly match the figure.
From the above description it will be ob-f vious that I not only have a vast eld from which to select ready-made patterns, but that various combinations of such patterns can be readily arranged by placing strips of fabric containing them side by side upon ythe same roll, the figures of the different patterns being so blended as to obscure the lines of division between the strips. I am thus enabled by my invention to produce embossed paper of any desired pattern and to change the pattern at will at a cost which is trifling compared to the cost of its production by the engraved metallic rolls heretofore employed. Moreover, the paper made according to my invention is of a far better quality than that produced by the old process, as I have hereinbefore stated, owing to the difference between the action of the textile pattern upon the particles of the plastic web, as practiced under my invention,
serale I e and the action of the engraved metallic pattern upon the ber of the finished paper, as heretofore practiced.
My invention is applicable alike to the production of the fancy grades of writing-papers now in general use and of embossed papers used in book-binding and the arts generally.
I do not wish to limit myself to the use of textile fabrics alone as the medium for transmitting the design, inasmuch as other fabricssuch as leather and soft rubber-could be successfully employed within the scope of my invention, in which case, however, the pattern would have to be first impressed within the surface of such fabric.
I claim- 1. The method of making embossed paper, consisting in impressing fabric having a raised ornamentation upon its Surface within the surface of the web of pulp after the latter has been subjected to sufficient pressure to remove the bulk of the water therefrom and `before it is subjected to heat, substantially as described.
2. The method of making embossed paper,
consisting in impressing a relatively soft, exible, and figured material within the surface of the web of pulp after the latter has been subjected to sufficient pressure-to compact the same and remove a part of the water and before it is dried and set, whereby injury to the ber of the paper is avoided, substantially as described.
3. In a machine for making paper, the combination, with the couch, press, and drying rolls, of an endless strip of fabric having an ornamental design upon its surface, and means located between said couch and drying rolls for supporting said strip of fabric in such manner as to continuously impress a portion of its ornamented surface within the surface of the web of pulp as it passes through the machine,
substantially in the manner and for the purpose set forth.
JOHN E. TAYLOR.
W. H. CHAPMAN, J. E. CHAPMAN.
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