US1428852A - Paper-finishing machine - Google Patents

Description

w. F". McCARTHY.

PAPERHNISHI NG MACHINE. APPLICATION HLED FEB. Z, 1921.

1,428,852, Patented Sept. 12, 1922.

I N VEN TOR.

UNITED STATES Patented SepttlZ, 192 2.

PAT T, Mme

WILLIAM F. cMeCARTHYQ or; srRInGrrELi), MASSACHUSETTS.

PAPER-Ernestine MACHINE; f

Applicationg filed February ,7; 1921. Serial No. 443,20 7 f To all whom it mayconoem: I v I Be itrknown thatWILnI M F. MCCARTHY," a citizen-of the United Statearesiding at Springfield, inthe county of Hampden and- I connection with the manufacturecit fine v quality papers, and more particularly to devices for preventing buckling eitects, wrlnkles and other unevenness of finish takingplace on the finished surfacesot'such paper while being put through the finishing processes, and incidentally eliminating broke. l v

, Some of the objects of this invention include the' following features To provide "a device for controlling the V supply of stock or material in process, in

such a way as to cause -'it to be introduced into the finishing calender-s in a manner best suited l or the finishing process and a the finished surfaces of the-product;

To provide such a device that Will be capable of close adjustment both in regard. I II I II I I I I 'bringabout a 'conchftrori for wrinkling very to positioning in several planes and in regulating the tension of. the device.

To have same readily installable onany general type of calender and adapted for cleaning and facility in inspection testing,

removing or repair.

' other objects which will becomeappar'ent as I I I I I I 'similarparts throughoutj-the drawings;

Jot all theexperiencegand research noted,-

To have the device so arranged that one 7 unit will be suflicient for a single calender. To have the device suitable for insta l.la-' tion on present machinery and mechan sm' used in connection with the present' manutacture 'ofpaper. I II To have a device that Wlll g ve :a'more uniform grade of'finishedpaper and one 'that will automatically as itwere, remove the general conditions that bring about wrinkles,buckling and other serious surface defects, under ordinary cond.1tions,'a nd many the invention is more fully 'set forth.

The paper industry is one of a highly developed nature, and onewhich has received and is receiving the highest degree of technical and practical" research. 1n spite I certain difficulties have been experienced which have rendered that portion ofthe art of paper-making known as c ffinishing Yo'f a i of broke.

higher gradepapers, a matters 0f continual uncertainty, because of thedfre'quent'finishing of the paperfinv an unsuitable commercial condition, requiring a 'discard' ofv the material com ng through and accumulation The matter of broke is serious c because when the paper comes through detectively, radical methods'havetobe introduced to reduce it, in view of the fact that the machine cannot practically,be stopped.

The paperis torn roughly and in doing'so, 'reintroducedinto the calenders, where it may repeat andrepea't the condition of the disturbed finish. With paper being manufactured'in a large paper mill at a jhig'h rate of speed, such a condition in the finishing calenders can quickly accumulate an enor- 'mous amount'of spoiled paper, and consequent loss to all concerned.

This invention serves to prevent this cond tlon, by providing that the paper enterwill assist the stock and at'the same time cooperate with the c'alenders. There is a t'ain sags and uneven'itensions arise, that readily in the calenders and "is the main cause of the difliculties heretoforementionedl I This inventionprovjides for the bridging'of the fspace and the proper guiding of "the material to the 'calenders, and provides a 1neans for insuring proper tightnessifand uniform mobility in entering the: finishing I,

rolls. in c In the drawings,'which show byway of pap r-Z a c F1gure2 1s a side view indlcatlng n genmet-1, represents an upper finishingroll and2 the lower roll; of the set these rolls eral theprinciples and operation of the device. i I

ing the calenders does so in a manner that or calen dersbeing spaced apart just jsufii fcien't to. permit. the paper sto'cktofpass through and finished on I their; surfaces by the calenders, as noted by. the space 3; c

A ca-rrier 4 is in generalproximity to 7, and 8.

the calenders and is provided with rolls 5, Over these rolls run a felt carrier 9, and on this the paper stock 10, flows towards the calenders. I

' The parts just mentioned are indicated in dotted lines in Figure 1 so as not to obstruct the view and position of the device to be described. The arrows in this view indicate the material being processedner, is a bracket or holder 11. This bracket journals a shaft 12, and set screw 13. sets the shaft inthe ournal. The shaft extends across under the carrier belt and is support- I ed in a like manner at its other end.

A plurality of fastening screws 14 are arranged acrosstheshaft and serve to -in sert in the slots 15 provided in a plate or apron 1 6 and hold the same rigidly to the shaft. The apronextends under the roll in the drawings.

.7 and is conformed to come close to it as show-n at17, in a quadrantial curve that embraces the lower roll.' At this point the apron is extended out horizontally towards the tangential or proximate meeting point of the calenders 1 and 2 andstops close thereto, allowing sufficient space to not in .terfere with the full introduction of the paper stock going through the calenders.

The apron, curve and plate are preferably of one plece andrelatlvely thin so' as to give a general resiliency to the device without taking. away from its functional ability/ Mounted adjustably onthe end portions of the shaft 12: are the arms 18. These arms are made preferably of the outline indicated The fastening screws 19 secure the arms in "place and the slots 20 in which. they stand enable sidewise movement to be made. The plate ends of the arms are formed inwardly as shown at121 and support the edge portions of the plate.

fThe operation of the device is as follows :"-The device is positioned as indicated in the drawings and the machines started into their various processes. As the stock comes down the carrier 3 it flows. on to the feeding plate and then is guided into the .a smooth and flat manner.

or by calenders and is finished. The plate is preferably at a slight slant pointing towards the space 3. As the stock flows along it becomes tightened and the paper given a uniform stretch. The plate being'across the fullwidth ,of the calender keeps the whole width uniformly and positively feeding in The plate is positively straight either by its own strength the reenforcing action of the arms. The adjustable screws 14: enable the plate to be pushed forward or backward as the stock may require, and to be tightened when the device is properly set. I

Adjustment in a radial way of the plate may be made turning the whole shaft 12 in Suitably secured to the framework of the machinery or in any other preferable manthe journals and setting the rotatably acting set-screws 18 firmly in place. Thus the device meets every general requirement of adj ustability either to the paper stock or the machinery connected therewith in the, finishingf i I While but one form of this invention is shown in the drawings, it is not desired to limit the invention to that particular form or in any other way, otherwise than limited by theprior art, as'many constructions can be made of this invention that will embody its principles and come within the-scope of the appended claims.

having thus described the inventlon, what is claimed is 1. A. finish feeder in combination with a set of calenders, a flat plate extending the 7 length of one of the calender rolls having its feeding edge broughtadjacent to the finishing point of the calenders against the roll, and means for adjustably holding the plate in position, and wherebythe rough. stock" will be received thereby and slid thereon, ironed and fed from the plate to the calenders.

2. A finish feeder in combination with oalenders and stock flowing through the same comprising a feeding plate, a resilient apron supporting the same and means for adjusting the apron to bring theplate adjacent to the finishing point of the cal enders. I

8. A. finish feeder in combination wlth calenders' a feed ng plate having a curve portion in rear of the plate and anapron secured to the curved portion, and means for rotating and adjusting the plate.

,4. A finish feeder comprising a plate I adapted to'receive a relatively large layof flowing rough stock, an apron attached th reto having a plurality of adjusting points in the rear thereof, a bar supporting the apron at the adjusting points, fastening means 1n the bar arranged for insertion in the adjusting points "of the apron, .and'means for rotatably raising. and lowering the plate on the bar forholding'the 7 same. I e 5. A finish feedercomprisinga fiat plate, an apron attached thereto inthe rear thereof and arranged tolresiliently support the plate, a bar, means for adjustablymounting in a forward and rearward manner the apron onthe' bar, means for adjusting the bar rotatably and supporting means for the last mentioned means.

6. A finish plate comprising. a plate for 7 A finish plate feeder in combination with a set of calenders and stock carrier,

a plate adapted to fit closely between the carrier and the finishing point of the calenders and provided with a rear apron formed to conform with the contour of the feed roll of the carrier and fit closely thereto and carry the rough stock to the finishing point of the calenders in a smooth and uniform manner, the rear portion thereof being arranged for securing to the framework of the carrier or calenders.

8. A finish feeder comprising in combination with a calender machine and carrier adjacent thereto, a feeding plate having a stock receiving surface formed between the carrier and the calender machine, whereby the rough stock from the carrier may be continuously flowed or carried between the carrier and the finishing point of the calender machine without appreciably allowing the stock to be stressed by its own weight, and means for holding the plate close to the carrier and the upper roll of the calender machine at its finishing line.

9. A device of the class described comprising a plate having a front and rear portion, the front portion being adapted to point to the contact line of the calender rolls and come adjacent thereto, and the rear portion to embrace a carrier for the calender rolls and to extend as an apron therefrom, and a bar supporting the apron portion, and means connected with the bar for adjustably pressing the front portion against the stock as it flows into the calender rolls.

10. A finish feeder for calender machines comprising in combination, a fiat feeding plate having its feeding edge at the finishing line of the calender machine, means for adjusting the feeding edge with relation to the finishing line, a cylindrical sleeve holding the plate, a system of journals for holding the sleeve, adjusting screws in the sleeve for rotating the sleeve and causing the plate to press against the upper calender roll of the machines, said set screws being weighted to cause a rotative action in the journal, and means holding the plate in close proximity against the parts of the calender machine whereby the stock will be supported continuously between the carrier and the finishing point or line of the rolls thereof.

11. A device of the class described in combination with a stock carrier and a finishing machine, a plate having a plurality of portions, one of said portions being arranged to carry and guide the stock against the calenderrolls, another portion to embrace the carrier contour and take the stock therefrom, and an intermediate portion adapted to carry and guide the stock from the last mentioned portion to the first, and means for keeping the plate in pressing contact with the stock so as to, carry and iron it as it passes from the carrier to the finishing machine, and means for adjustably supporting the last mentioned means.

12. A device of the class described comprising a plate having a lip, along the edge of its front portion, said plate being relatively straight, an apexed portion rising up from the rear-thereof, and a curved portion extending rearwards from the apexed portion, and an apron extending from the curved portion said apron having a plurality of slots therein, a bar for supporting the apron and having means therein engaging in the slots thereof, and threaded means connected with the bar for giving a rotative adjustability to the bar and the portions of the plate attached therewith, and whereby a pressure may be adjustably transmitted to the lip, and means for supporting all the mentioned means securely with a finishing machine.

In testimony whereof I hereunto afiix my signature in the presence of two witnesses.

WILLIAM F. MoOARTHY.

Witnesses:

A. r. CONNOR, ADRIAN KRAMER.

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