US992688A - Feeding and drying apparatus for paper-machines. - Google Patents

Description

O. E. POPE. FEEDING AND DRYING APPARATUS FOR- PAPER MACHINES.

APPLIOATION FILED MAR. 28. 1910,

Papented May 16, 1911.

IV! T NESSES:

A TTORNEY.

UNITED sTA'rns lEf xTENT OFFICE.

enemies n. POPE, F HOLYOKE, nrhsssenosn'r'rs, ASSIGNOR on THREE-FIFTHS T0 JAPANESE TISSUE MILLS, or HOLYOKE, MASSACHUSETTS, AeonPonAnoN or MAS- sA'cHUsE'rTs.

FEEDING em) nnYmo APPARATUS ron-rarnn mricnmnsf Specification of Letters intent. I

Bitte -t a May 1c, 1911.

- Application filed Mereh 2B, 1910. Serial No. 551,991.

To all whom it may concern:

Be it known thet I, CHARLES ELMER Porn, a citizen of the United States of America, and resident ctHolybke, in the county of 5*Ha1npden and State of Massachusetts, have invented certain new and useful Improve- "Inents in Feeding and Drying Apparatuses for Paper-Machines of which the following "is a full clear, and exact description. This invention relates to paper machines, and more espeei'ally tothat class thereof in which the paper after it has left the so called Foi rdrinier machines is thoroughly dried preparatory to the subjectionthereof to the calendering rolls, and it'hzts for one of its objects the provision, in connection with suit-able drying rolls, "of means whereby the wcb of the 'pa-perfin case it should break,

ivill'ibej automatically brought into recon her, with said rolls so that the 'feedingoperation of the paper through will be practically continuous this 'ii'bi k.

The present improvement is particularly in which case by virtue of its thin textiire,

our; and in-Wldclithe' subsequent rethread x fingiq I tll etion'into eontectwith the roll n'e eeding the break in tlie n eb is;

aco'fn'p Yely diliijoultoperationu v ,Iiitliepi esenfi,instanceilrerfiploy in-"co1ihe drying rollsfan "endless: Eapron mhichf-passes' around saidxolls in suc .ne'e-tioif w ith Y cess ion midi-which brings the paper to be -"dr- 'ed into 7 I .he'se\/f'eril rolls are also providedwith-what 4Q inigl' t' he ea l is positive isen-jgaged -ati"o1n Said rolls and this machine and WllShOllt requiring any. manual assistance to perform 'brealteges of-the web are very liable to occontact iivith the ,s'eiieral rolls, and

led 's ereperswherehy 4 thetpriper at .the sanie't1-1ne serve as'ineans for being"- blown aagsinst these plates li'y -an ienpiek the same up end thread V ";wli ieh*is supported" by idlerS- 28 meansa' ie provided e pavperas it'einerrzes" pa 1 r1 F with; the peripheny there'o tirely automatic Inen'ner-so that the manual threading; of the wlfi'b'in the last named machine Wi l he obviated.

J The invention has been clearly, illustrated in the accompanyingdrawinginhwl'ii'ch the machine is illustrated in diagrammatic form, and in which 10 vand 11 denotethe last pair or d1":lWing-0ut-r0lls cf adionrdrinier machine which,furthermore, comprises a band 120i hardielt and a similar band 130i soft "felt. Experience has demonstrated the fact that the paper issuing froni-this ma chine will adhere to the hard felt; and 'co 1i seqhently the drying rolls which constitute part of the present invention are disposed so as to be cooperative with'the hard felt band 12 which conducted lover a roller l l and also anadjus table strai ht roll 15, that portion of the band 14 which isdis posed between-said rolls '14 and 15, being in peripheral contact with the first one of n series fdrying rolls indicated herein by D; D Which-are journaled in a suitable frame shownin dot-and-dash lines f in the drawingand which may be heatedthrohgh the introduction of steam into the hollow interior thereof. I i

Traveling'over the rollers is an endless apron or band 20 which is" conducted over guide-retailers 21 'andxtheupper freernn of which is" also held- 111 pro-eh position by idlers 22 of usual construct-101m Asthe pee e1" to be dried follows along With the hard 1 elt'epronii'it'czl-n heverynead-ily-.intro duced between": the "band t-20 and the' first drying ro'll *Di'atfilie left hand en'tl of the maeh'ine, and the web will thentravel hung with this band-and lie-conducted thence o the second and low'ei ro llefi 134; while a same time 111651181 are provided whereby :roller- D in case: a break-should means :eonsisting' substantially of "25 as shoiv'n; Thepa i ducted int-0 ooltt-iictiwit ie-lowe'r' n which there are p a. series sind :iiihifch fireperipherally engaged by a band-o aprbn""27 td i thesecond pp 6 che -series here it is n g If new nemic-samea ceeeslmesenim t1 e paper web '20- will be "scooped: fi omlthc first 1 occur; these first lower roller 1) and the second upperroller D, the rom aper web will be stri pad the former liy a temper 26 wuch is so inclined as to lead the aper toward the band 20 just before the atter engages the second u 'per roller of the series, and in order to Erin the paper into 'what may be termed fore! 1e contact with the band or apron 20 at that, point, I emplo an air-blast which is generated by a'blower V which ma be, of any desired construction and whic has a blast-pipe 6 extending along the ma chine and connected at proper points with transversely disposed airpipes 30 each c'f which has preferably a slot at that portion of'its wall which is nearest to the ductors or scraper plates 26, said-slotsextending for substantially the entire'length of the transverse ortion of saidpipe. Supposing that a brea in the web shou d occur between the first rollerDand the first lower roller D, the rotation of the upper roller D will strip "the broken end from said roller, so that the the . slotcs lig J forced through said slot .will blowthe-loos'e latter will 'then .hang avitatively and finall come in contact wit the eriphery of st lower roller D whic will then naturally carry the web along until-it is im inged between the surface of said roller and the band 27. v

The construction and operation of the machine thus far described in connection with the first rollers, is substantially the same for the other rollers of the machine and-until the web has reached the end thereof where the web is guided undert a .roll .35 and thence passes'b'eneath a grid 3? gpf ordinary 'construction, and cons1stin"" of a se-' ries. of longitudinally. disposed Llades 36 which -are held bya bracket 37 attached to the frame. At this point a scraper 3,8"is

employed for stripping the web last icilpper roller and an air-bl also p'losed at thisfpoint' so as tlyinelined upward the web along tli'e'underfside of the and into engagement between the first two rolls of a calendering machine which is indicated herein-b y'Oand the coasts-action of which inoiy'be of any orm.

asmuch as-the' purpose of the 'p' machine is: to' dry. the paper. thoroughly before it enters the calendaring rolls, the

"air-blast employedwith. present machine maybe either "hot or cold as desired, s o that 5 in either case "the air-blast in itselfeonstaurean additional means wherebythe web is n-saun s as -;wn,1 be perceivedjon reference to thesdrawing The direction of the 'airblast is such relatively to the apron 20, a lo'wertcourselof which travels: in up- 'w'ard aiid then downward directions between [the lowerdrier'drums as to efi'ect afdrying' '65 "ofsuchapronwas well as a drying'of the web.

.Many changestmay be made in the conirorn the ceases struction and organization of some of the cooperative elements of the machine without de arting from the spirit of the invention.

claim:- I

1. The combination with a series of rollers and a web sup 1y, of a stripper for strip-- ping .theweb ronione of sald rollers and an air blast directed against said stripper for conducting the endof the web into contact with the next rollerof the series.

2. The combination with a series of dr ing rollers, and a series of calendaring ro l ers, of means for stri ping a webfrom the last of the drying to lers, and an air-blast directed against the strippin means for conducting the end'of said we to the first of the calenderi'ng rollers.

3. The combination with a plurality of rollers, ofa stripper contacting with one of said rollers, an air supply pipe extendin v longitudinally of the last named roller 'iacent the point at which said Stripper is coated, 'faidpipe delivering a blast against the face ,of'said stripper.

4. The combination with a web-supply, a series of rollers successively o' er'at ve on the web, and aprons connecte with said rollers, respectively, for maintaining the web in contact therewith, of an air-blast for'conducting the incoming end of the web between the next roller of the series and the apron cooperative therewith.

5. The combination with a web-supply and sets-of superposed rollers for operating upon the web, and means for maintaining the web in contact with the peripheries of said rollers, res ective'ly, of means for disengaging the we from the rollers at a point between two successive rollers, and an air-- blast directed against said disengaging means"- for bringing thestripped web 'be tween the next roller of'the' series and the weberetaining meali s 'eoiip'erative therewith.

'6. The-:cqmbination-with" a' web-supply, aseries' 'ofrollers 'dispo'sed in superposed pa rs for operating'upon the web, 'and an'endless apron cooperative with? the upper set of rollers and having" a partial peripheral'contact with each roll ofsa "of tripp r, platesjfor removing tfi' j s from. the lower rolltoward the upper ioll," said stripper-plate'ielitending from the pe-l' riphery'of th Tower roll 'to the a'pr'on po operative with the upper roll, andmeans 01 propelling thewebga ong thelst tobring the-same between the he the upper ,rollf'and z thef apron therewith,

with each rol er of said series,':-of s 12- plates for removing-the web as 'it 1 0:

series of rollers disno ed'i up p d-Iii a from the lower roll toward the upper roll,

said stripper-plate extending from the pe riphery of the lower roll to the a run 00 operative with the upper roll, anc un aq blue for propelling the web along the Mr, perhlale to ln-iug the some betweentlieffi i'iphery of the upper roll and the e operative. therewith.

8. The combination with we a series of rolls arranged in supe and endless aprons e06 eru fi with sets of rollers, respective 3:. d f Causin". the web to travel therevq' h f means removing the web from Saidrollersj lib/spew vair-pipes disposed longitudinally of lers, and having a perforation to- -1e stripper-plates, and an aiepressure y connected with said pipes and for 0mg air through said perforations to feed the web over the stripper-plates and into Contact with the next roller of the series.

Signed by me at Springfield, Mass, in presence of two subscribing Witnesses.

' CHAS. POPE.

Witnesses:

WM. S. BELLows, G R. D usooLL.

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