US507608A - barnes - Google Patents

Description

(No Model.) 2 Sheets-Sheet '1. G. P. BARNES. v

APPARATUS'PDR PRODUCING MARKS UPON PAPER.

Patented Oct. 31, 1893.

(No Model.) 2 Sheets-Sheet 2.

G;P.BARNE& APPARATUS FOR PRODUCING MARKs UPON PAPER. No. 507,608. Patented Oqt. 31,1893.

UNITED STATES PATENT QFFICE.

GEORGE PLANTA BARNES, OF LONDON, ENGLAND.

APPARATUS FOR PRODUClNG MARKS UPON PAPER.

SPECIFICATION forming part of Letters Patent No. 507,608, dated October 31, 1893.

Application filed June 28, 1892.

.To all whom it may concern.-

Beitknown thatI, GEORGE PLANTABARNES, of London, England, have invented a certain new or Improved Apparatus for Producing Marks upon Paper, of which the following is a specification.

Myinvention has for object an improved apparatus whereby designs, figures-,letters or other marks or embossings can be produced upon paperin the course of its manufacture, that is to say, when in the state of a wet web as formed in apaper making machine. Heretofore such designs have been formed by taking up pulp on the side of a sheet which contacts with the pulp, and then withdrawing the pulp so taken up from the same side of the sheet on which it was received.

My invention aims to provide means whereby a more accurate and uniform result may be obtained in the marking operation.

The improved apparatus operates by applying upon a wet Web of paper as formedin a paper making machine, such for example as an ordinary Fourdrinier machine, or a cylinder machine, or a machine such as that described in my application for patent, Serial No. 438,297, filed June 28,1892, and whether such wet web be single, duplex or otherwise, paper or other-pulp allowed to flow through a perforated sheet, which is preferably an endless traveling surface which is perforated or stenciled only at such parts as correspond with the designs, figures, letters, marks or embossing to be produced.

In the accompanying drawings :Figure 1 is aside elevation illustrating a machine constructed according to my present invention. Fig. 2 is a plan of the same. Fig. 3 is a side elevation illustrating a modification of the machine. Fig. 4 is a plan on a larger scale of part of one of the designs or marking cylinders shown in Fig. 3.

Referring first to the modification shown in Figs. 1 and 2, a. is an endless traveling wire or sieve of ordinary make guided by the'rollers b b b and the couching rolls 0 c.

d is a pulp box fed from apulp supply chest e. One side of thebox d is continuously formed by a portion of the upwardly travel- 5o ing part of the wire a so that the pulp is drawn or sucked upon the wire as described Serial No. 438,298. No model.)

in my said application, Serial No. 438,297, partly by the action of the vacuum box f an partly by gravitation.

g is an endless traveling sheet of thin brass or other material guided by the rollers h h h and having perforations or stencilings corresponding with the designs or marks to be produced upon the paper, such for example as those shown at z" 2' i 2' 2' in Fig. 2. The endless sheet 9 and the endless wire a run parallel and in close contiguity with each other from a point above the pulp box (1 until they pass a second pulp boxj of similar construction. This pulp box is supplied from the pulp chest is. Z is a vacuum box fitted in connection with this pulp box j.

The operation is as follows: As the wire a travels past the pulp box d a web of paper becomes formed thereon and this web is carried up to the upper pulpbox j but before reaching this box the endless sheet 9 comes upon it so that it is as it were sandwiched between the endless sheet g and the endless wire a. While passing the pulp box j pulp, which may be either paper pulp or other material such for example as china clay in the state of thin paste or slip, passes through the perforations or stencilings of the sheet g and through these parts only, the result being that the designs or marks which the perforations or stencilings represent become deposited upon the wet web of paper. The wire a and the metal sheet gseparate at their respective guide rollers b and h above the pulp box j and the wire a with the wet paper web having the designs or markings upon it proceeds to the couching rolls 0 c, passing on its way over another vacuum boxm. The pulp used to produce the designs or markings may be of the same texture and color as that used to form the wet paper web, or. it may be of difierent texture or color as may be desired. The wire a can receive its motion from the lower couching roll which is driven in the ordinary manner while the endless metal sheet g can either be driven by a belt from the shaft of the lower couching roller, or it can receive its motion as shown in the drawings by means of the belt q which passes over a pulley on the shaft of one of the guide roll ers of this sheet and over a pulley on the shaft of one of the guide rollers of the wire a. The sheet g must travel at the same speed as the wire a.

In the modification represented in Figs. 3 and 4 the endless sheet g which is perforated or stenciled with the designs or marks to be produced forms the periphery or circumference of a rotating skeleton drum j which has closed ends and constitutes the box for the pulp used to produce the designs or marks, the pulp being supplied through the hollow axlej' of the drum. The paper web from the couching rolls 0 c of a machine constructed according to my application for patent, Serial No. 438,297, filed June 28, 1892, or from the couching rolls of an ordinary Fourdrinier or other paper making machine is led on to an endless wire a (which may if preferred be the same wire as that of the paper making machine) which is guided by rollers 19 b b and couching rolls and conducts it under and against the drum or pulp box In its passage under this box the paper web has pulp deposited or drawn upon it through the perforations or stencilings of the endless sheet g. The wire a then conducts the paper web to the couching rolls 0 c from which it may either go to the endless felt a which conducts it to the press rolls 1) p or as shown in Fig. 3 the wire may conduct the paper web to a second endless design sheet on a second and similarly constructed rotating pulp box and to another pair of couching rolls 0 0 before it goes to the felt a.

What I claim, and desire to secure by Letters Patent, is-

1. The combination with a machine for making a wet web of paper, of a pulp box, a sheet or surface, perforated or stenciled according to a given design, receiving at one side pulp from said box, and a web at the other side of said sheet, whereby pulp fed to the latter at one side will flow through its perforations or stencilings to said web and be deposited thereon in the shape of said perforations or stencilings, substantially as and for the purpose set forth.

2. Thecombination with a machine for making a wet web of paper upon atraveling sheet, of an endless perforated sheet stenciled according to a given design contacting with the side of said traveling sheet on which said wet web is formed at one side, and moving therewith through a pre-determined distance, and a pulp-box supplying pulp against the other side of said perforated sheet, whereby the pulp can flow through the perforations in said sheet to the web on said traveling sheet and will be deposited on said web in the shape of such perforations, substantially as set forth.

3. The combination with a paper making machine comprising an endless traveling surface a, guide rollers b I) over which it travels, and a pulp-box cl depositing awet web of paper thereon, of an endless perforated sheet g perforated according to a given design, moving throughout a part of its length with, and in contact with, the wet web of said sheet to beyond said pulp'box d, guide rollers 71 h over which said sheet 9 travels, and a pulp-box supplying pulp to the opposite side of said perforated sheet at the point where it contacts with said sheet a, whereby the pulp may flow through the perforations of said perforated sheet onto the wet web and will be deposited thereon according to the shape of such perforations.

4. The combination with a machine for forming a wet web of paper consisting of an endless sheet a, guide rollers Z) I) over which said sheet travels, a pulp-box cl depositing pulp on one side of said sheet, and a vacuum boxf at the other side of said sheet opposite said box d, of an endless perforated sheet g, perforated according to a given design, contacting at one side with the side of said sheet a on which the wet web of pulp is deposited, above said pulp-box d, and moving with said sheet a, guide rollers h h over which said per forated sheet 9 travels, the one of said rollers bringing said perforated sheet into contact with said sheet a and the other of said rollers taking it off therefrom, pulp-box between said guide rollers and supplying pulp to the other side of said perforated sheet, avacuumbox Z opposite said pulp-boxj and contacting with the side of said sheet a for Withdrawing the moisture from the pulp from said box j, and means, substantially as described, for driving said sheets a and g at uniform speeds, whereby pulp will flow from said boxj through the perforations of said sheet g and be deposited on the wet web formed on said sheet a in the shape of said perforations, substantially as set forth.

In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.

GEORGE PLANTA BARNES. \Vitnesses:

JOHN C. NEWBURN, GEORGE (J. BACON.

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