US1208000A - Paper-making machine. - Google Patents

Description

E. J. POPE.

PAPER MAKING MACHINE. APPLICATION FIL' ED JUNE 11. I915.

LWMMUU, Patented D60. 12,1916

4 SHEETSSHEET I.

Witwmm MW E. J. POPE.

,PAPER MAKING MACHINE.

APPLICATION FILED JUNE 1|. 19I5- I lfiwwflUfl, Patented Dec. 12, 1916.

4 $HEETS-SHEET 2.

I attoznag/l E. J. POPE.

PAPER MAKING MACHINE.

APPLICATION FILED JUNE 11. 1915.

LQWMW; Patented DEG-12,1916.

4 SHEETS-SHEET 3.

E. J. POPE.

PAPER MAKING MACHINE. APPLICATION FILED JUNE 11. 1915.

LQWMUU, Patented Dec.12,1916.

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Specification of Letters Patent.

Patented ec. l2, TQM,

Application filed June 11, 1915. Serial No. 33,451.

To all whom it may concern Be it known that T, EDWARD ill. Porn, a citizen of the United States, residing at Holyoke, in the county of Hampden and State of Massachusetts, have invented certain new and useful Improvements in Paper- Making Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention has particular reference to the manufacture of paper on machines of the Fourdrinier type, and relates more. particularly to means for producing a web of paper havinga portion of lesser thickness than the major part of the web; also whatis known as deckle edged or feather edged paper, and has for its object to economically produce a uniform product.

The improvement appertains to an attachment for a paper making machine in which a thin section or strip in a web of paper is accomplished by applying fluid pressure to the pulp fiber when distributed over the endless apron or wire web, the'fluid pressure being directed and applied by adjustable elements mounted over the wire web, which operate upon the sheet of pulp product to cause one or more sectionsof the resultant web of paper to be thinner than the main portion thereof.

The improvement also relates to means to give a finished appearance to the thinner.

sectionof the web.

While embodiments of the invention are illustrated in the accompanyingdrawings, it is to be understood that the disclosures therein made a're for the purpose of illus tra-tion only, and not as defining the limits of the invention. I I

Tn the rd'rawings: Figure l is a plan view of a part Tourdrinier machine disclosing the invention applied thereto. 2

is a side.- elevation of apart of the machine illustrated in Fig.1; Fig, 3 is a sectional elevation through the -machine -of l.

ltig. is an enlarged 'section in plan of the deckle forming frame. rag. 5 is an enlarged side elevation, partly in section, disclosing the nettle. his view similarto Fig. h, disclosing an attacl'iment from the nozzle to one of the slices. Fig. 7 isan enlarged plan view disclosing line forming rollers. Fig. 8 is an enlarged side elevation of the device of Fig. 7. Fig. '9 is a detailview of rolls or disks to make the thin strip even;

The invention is designed for use in the manufacture of paper wherein the web of.

paper is provided with a thin strip, the paper so'produced being found advantageous for book making and the like.

The invention is particularly adapted for manufacturing paper havingwhat is known water to the pulp surface after it has been distributed over the endless apron or wire web of a paper making machine. It has been found, however, that these methods do not'produce a satisfactory or uniform product. The disadvantages in the prior methods are overcome by applying fluid pressure to the pulp fiber after it has been operated upon by the slices. Line-forming devices serve to maintain the desired thinness of the material along a defined line of the pulp surface, which line-forming devices are adjustable with relation to its operative action on the pulp surface. v Finishing rolls may engage the material-afterflbeing acted upon by the line forming device to make the thinstrip formed inthe web uniform.

antl-eve n' in appearancdand produce a web of paper having a well-defined, portion of thinner material. H

in the embodiment of the inventionillustrated in the accompanying drawings, the

machine is provided with a rail frame 1,.

="which serves to support the various features ofthe bed of the machine, including the deckle frames 2. These frames 2 areshown supported by the'rods 3 which in turn are pecured to the supports t at each side of the *rame. e

an endless; apron 5,"sllow'n in the form ofthe wire cloth, is mounted on the rolls 6,. 7, the roll 6 being shown as a breast roll. The

a wire cloth or apron may also be supported by the rolls 7 positioned at the bed of the 8 carried by the frame.

machine, one of which rolls is illustrated in Fig. 3 as being supported'in the bearings The bed of the frame is mounted upon uprights 9 The deckles 10 are shown carried by the pulleys 11, the larger of which pulleys is positioned adjacent the flow box 12 from which the pulp is conveyed to the wire cloth 5. A

plurality of slices 13 having adjusting means 14: at the central portion thereof, are

shown slidably mounted in grooves 15 over the bed .of the machine.

. The line-forming devices are mounted upon the bed of the machine upon suitable cross pieces16, a plurality of which are shown arranged parallel to each other in Fig. 1. These cross pieces are supported by the standards '17 on each side of the. machine, which standards may be bolted to the side rails A as indicated at 18 in Fig. 2. These.

" 21 to produce a receptacle 22, the walls of which are inclined to form a contracted lower end 23 which terminates in a nozzle indicated at 24. The front wall 21 is shown beveled on each side of its lower end so that it terminates in an apex adjacent the nozzle.

. This receptacle formed. at 22 is shown open in the drawings, although it is obvious that a cover 25 may be applied thereto if desired, to employ the chamber in conjunction with fluid under pressure, such as air or steam. It is obvious that the means to conveyfluidunder pressure, such as air or steam,

-which is not jetted into the surface, but

the lineand which is indicated at 26, may extend throughthis forward portion ofthe lineforming device and terminate at the nozzle 24:, thereby eliminating the chamber at 22.

It is desired, however, to employ inone :form ofthe machine, any suitable fluid, such as water, which may fill the chamber 22, and

merely forces against the same by its weight. Extendinfg from the enlarged portion 19 of orming device, are a plurality of members 27 which. are shown arranged parallel to each other, and as a continuation of the side Walls of the chamber 22. These members 27 serve to prevent the pulpy substance from flowing'backfrom the bed of the material into the reduced part the e which is formed by the nozzle, and the parallel members 27 of each of the lineforming devices are adjustably mounted with relation to the bed of the frame.

In, the drawings, the nozzle or enlarged end 19 is shown integral with the parallel members 27, and the whole structure is shown secured to adjusting and supporting elements 28 which are suspended from the cross pieces 16 and are slidably mounted on said pieces whereby the parallel members 27 of each of the line-forming devices may be transversely adjusted at various positions over the bed. The elevation of these parallel members is controlled by a hand wheel 29 which is mounted upon the threaded portion 30 of the supporting element 28. It is obvious therefore, that the forward portion of the line-forming device may be positioned closer or farther away from the bed or pulp than is the rear portion, by the manipulation of the hand wheels 29.

It may be found desirable to mount the line-forming devices in juxtaposition to one of the slices 13, and, if desired, the forward end of the line-forming device maybe connected with one of the slices 13 by a thin strip 31 which is shown in Fig. 6 as extending from the front wall 21 of the head of; the line-forming devices, andextending forwardly, and'upwardly terminating in a. retaining flange 32 which is adapted to engage the opposite face'of the adjacent slices 13. However, the nozzle end of the line-forming device may be spaced away from the adjacent slice 13, such adjustment being effected by the slotted section 33 of the line former and the elements 25, 29.

At the rear of the line-forming devices is provided suitable means to give a finished appearance to the thinner section of the web ofpaper. One of the cross rods or supporting rods 40 of the frame may be provided with a plurality of collars 3a slidably and adjustably mounted therein, and retained in the adjusted positions by any suitable means, such as the screws 35. The collars 34 may be provided with suitable means36 to support arms 37 which carry narrow vrollers or disks 38. The engaging surface of the rollers 38 may be covered with wire cloth, or. any other suitable materia to engage "the pulpy .material where it has been thinned out by the line-forming devices to give a better finish and make the portion of lesser thickness-in; the web of more even appearance. The arms 37 may behinged to their supports at 39,01 the connection may be a rigid one, asdefsired.

If desiredthe rolls 38 may be mounted directly upon the element 40, which may be a rotatable shaft for the rolls 38 and deckle pulleys 11, and these rollers 38 may be provided with bushings 41 having means, such as the screws 45 to secure the rollers in naoaooo longitudinally adjusted positions on the shaft 40, as in Fig. 9. Where the machine is arranged to make but one grade of paper, the finishing devices for the thinner sections may be permanently mounted on the machine. l or example, the finishing rollers 38 may be entirely dispensed with and in lieu thereof the dandy roll 42 may be provided with a narrow strip, or several strips of wire cloth,-or other suitable material... indicated at 4:3, to contact with the pulp at the thin part formed by the line formers.

In the operation of the machine when forming paper having a thin strip in the web thereof, the parallel members 27 are adjusted at the proper point above the wire cloth 5 to prevent the pulp from flowing into the space between therparallel members 27 of each of the line-forming devices to the extent which it flows under the slices 18. The chamber 22 may be filled with water, or a stream of water, air or steam may run into the chamber, the nozzle 24 of which allows the force ot'water, air or steam to regulate the amount of pulp which shall flow in alinement with the space between theparallel members 27. The thickness of the pulp to be passed between the parallel members 27 can be regulated by the amount of pressure of water, air or steam which is admitted through the nozzle 24 and also by the line finishing devices 38 or at. in the construction of Fig. 6, the strip of pulp may also be obtained by the extended strip 31 which projects under the slice 13, in which event the fluid pressure maybe eliminated.

lln forming the deckle ed e, the line-form in g device 27 may be adJusted closer together over the bed of the machine and the amount .otfiuid pressure used may be adjusted to secure the desired result so that before the web of paper is entirely finished,

the web will separate at the thin place formed by the line forming devices and thereby present an unfinished edge to the web of paper to imitate paper made by the hand process. v

Where a feather edge is desired, the lineforming devices are adjusted to allow but a small amount of thepulp to enter at the forward ends 19 thereof, while the rear ends 4st may be elevated from the bed toa greater extent than the forwardend to permit the pulp to flouuin frome'ach side of the parallel members 27 of the line-forming frames,

thus making the web of paper provided with a portion which is thinner at the center than at each edge, which was formed by the parallel members 27, by reason of the era that the pulp material will flow in between the parallel members 27 as the material is passed; over the bed of'the machine. The finished product will separate at the line so formed, making each edge thereof tapered.

Having thus described my invention, what ll claim as new and desire to secure by Letters Patent is:

1. in a machinerof the class specified, the combination with an apron, of meansto direct fluid pressure against material carried by said apron formed as a part of a lineforming element comprising an elongated bar to engage the material carried bythe apron after it has been acted upon by fluid pressure.

2. ln a machine of the class described, the combination with an apron, of means .to direct fluid pressure into contact with material on the apron and a stationary line-forming element adjustably mounted with relation to the, apron to engage the material on the apron after it has been acted upon by fluid pressure.

3. Tn a machine of the class described, the combination with an apron, of means to direct fluid pressure into contact with the material on the apron to reduce the thickness of the material. and a stationary line-forming element adjustable longitudinally with relation to the surface of the apron.

i. In a machine of the class described, the combination with an apron, of means to exert pressure on the material of the apron to reduce the thickness of material, and a sta tionary line-forming element adjustable longitudinally and transversely with relation to the surface of the apron.

5. l'na machine of the class described, the combination with an apron, of means to exert pressure on the material carried by the apron to reduce the thickness of said material, and a stationary line-forming elecontact with the material on the apron to re-' ducethe thickness of the material, said .means being arranged in juxtaposition to saidslice, and a line-forming element for each fluid pressure means comprising a plurality of elongated members extending longitudinally of said apron from said fluid pressure means.

7. In a machine of the class described,;the combination with an apron and a slice adap llltl ed to be positioned transversely thereolh'ct means to exert pressure 'on material carried by the apron to reduce the thickness of the material, means to connect said pressure means-with said slice and to engage the ma-.

terial on the apron, and a line-forming element comprising a plurality of elongated members extending longitudinally of said apron from said-pressuremeans. a p

8. Tu a machine of the class described, the

combination with an apron, of stationary line forming means having as apart thereof a fluid chamber provided with a material contacting nozzle to direct fluid pressure into contact with material on the apron to reduce the thickness of material which is thereafter engaged by the line forming, means.

9. In a machine bf the class described, the combination with an apron and a slice, of fluid pressure means having a material contacting nozzleand -a strip extending from said nozzle to the lower edge of said slice to contact with the material prior to its engagement by fluid from said nozzle.

10. In a machine of the class described, the combination with an apron of a fluid pressure device having a material-contacting nozzle, a line-forming element formed as a partof saidnozzle, said element being divided longitudinally to produce a plurality of line-forming members extending from the fluid contacting-nozzle to maintain the material of the apron in its relative thickness as formed by said nozzle.

11, A device of the class described comprising a line-forming element for paper making machines havin a fluid receptacle provided with a contracted lower end terminating in a forwardly and downwardly directed nozzle, and a plurality of spaced members extending rearwardly of said nozzle. 1

12. A device of the class described-comprising a line-forming element for paper machines having a fluid receptacle near one end thereof provided with a contracted lower end terminating in a broadmouthed nozzle, and a plurality of spaced members extending rearwardly of said nozzle substantially in alinement with the outer edges thereof.

13. A device of the class described comprising a line-forming element for paper making machines having a fluid receptacle provided with a contracted lower end terminating in a forwardly and downwardly directed nozzle, and a plurality of spaced members extending rearwardly from said nozzle to engage pulp material of a paper making machine after a part of said material has been treated by substances passing through said nozzle to maintain a defined line in the material of substantially the width and thicknessproduced by said'nozzle.

, 14:; In a machine of the class described, the combination with an apron, of a line- :torming device. adjustably mountedlongitudinally andtransversely with relation to said apron, said line-forming device having a nozzle and a plurality of spaced members extending rearwardly of said nozzle which are adapted-to engage the material carried by the apron after a part of said material has been treated by substance passing through said nozzle.

15. In a machine of the class described, a movable element for paper-making material, line-forming means to engage the material on the movable element, and finishing means for that part of the material which has been engaged by the line-forming means.

16. In a machine of the class described,

the combination with an apron for papermaking material, of line-forming means over the apron to engage the paper-making material, and line-finishing means positioned at the rear of the line-forming means.

17. In a device of the class described, the

web of paper, and means positioned to engage the material of lesser thickness to clearly define the line of thinner material in the finished product.

19.-A machine of the class described having a plurality of line-forming elements capable of adjustment longitudinally and transversely of the machine, each of said line-forming elements comprising. a receptacle at one end thereof, terminating in a nozzle having a broad mouth and a plurality of parallel spaced members connected to the nozzle and receptacle to engage pulp material and maintain a defined line in the material after thepulp material has been subjected to the action of substances passing through the nozzle.

20. In a machine of the class described, a plurality of-lineforming elements capable of adjustment longitudinally and transversely of the machine, each of said lineformingelements comprising a nozzle and a plurality of parallel spaced members connected to the nozzle,-said spaced members having substantially sharpened materialengaging edges.

in testimony whereof, I aflix my signature, in presence of two witnesse.

EDWARD J. POPE.

Vi-itnesses:

Enron J. MARLAND, GEORGE AHNERT.

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