US1432731A - Vacuum pocket - Google Patents

Description

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.FREDERIC .PAYSQN REED, GF E AST ORANGE, NEW'J'ERSEY," ASSIGNUIQ BY MESNE ASSIGNMENTS, i TO CHARLES C. O RCULT. 3 i

`vederne rocxncn Application ledebruaryf?, 1921Seria1No.j443,008. v-

To all whom imag concern.'

Be it knovvn that "I, Fnnnnnro Parson REnmacitizen of the at EastOrangm Statejof N ew Jers new and useful of the invention," s

vcounty ofy Essen, have invented certain uch fas will make ,an'd use the same,

y ',lrlvellfen iS coating machines, mechanism `for use forlthe' described in N o', 434,231', December lectingand removing 'the drying of the Web.

an improvement in paper and "relates especially *to* in connection withdryers paper, of .the character shovvnandj my prior application, Serial y31, 1920, forcolfxflng apart ofthesaid frame.,` As shown in the vapor formed in An: object Aof the invention is to provide mechanism of Another object isto pr nection with the saidniechanism,

` arating the fair,

th adapted 'to fbe arranged jbeneathA the web,` Within the'casin-g of e l character `specified,

from the dryer.: f

o videmeansinconand'deli'vering them from the dryer.A

In the idrawings Figure l'isa'longitudinal vertical 'section' of apart of a dryer'unit'provided `With the improved mechanism,Y

Figure 2 is an enlarged detail section of thesaidmechanlsm,

Figure 3 is a horizontal sectionV at' thev end 'adjacent tothe header.A Indrying paper tliereis` alargeramount condense 1n of steam vaporI Yformed dense upon the drying thesame, and to condenseY upon and Within the dryer. This is of the', charact 1n removing especially true 1n dryers.l erV above-mentionedj because of the quiclrand thorough action oi the units the moisture -from the` paper Wehl Tol facilitate this 'dry-'actiom b y removing the vapors which Would part VVupon the Web,'

in each unit, o r i otherwise mechanism forming the subject-matter of the present inventi 1s shown 1n 'connection on. The .y saidmechanism With a dryer unit,

consisting of a casing 1 having an open top, and having r ollers 2 journaled at the United States, ,residing f or supportinglltheweb t of in the` vor apron 3ds supported Y ,manner thatl at ,theends lof the unit it may nuts 10. @A bar the dryer and near the point Where the web `-leaves thedry' er,' forV sucking up the vapor vas yit is infmedmd on the casing, means "13 and14. TheY I vthe casing, ,beneath inturnedianges 15 on the V side,'and end,`, yvalls ofthecasing, andthe c Clfuipillfe4 bis j for and vapor from the liquid kseries otradial nipples` langedat tits-ends as shown Vat 19 in Figure ,endvvallof thesaidpasing, web Ato again, dampenl `Wall of the ieasing 7 and in the `casing 1 and arethreaded into the nipplesu I arrange' n any selected `unitythe opentop, o veryvhich passes one run of an endless belt orapron of perforate material, paper.' This belt Vpass beneaththecasing 1, on thelovver run of the apron.'li`lectri'cally controlled heating units indicatedat 6 are arranged Within thelc'asing; and' ,'t he vapor removing mechatthe dry end of the unitmthat is' at Vthat end towards which the 'paper ,Web, rnoves.,

The' mechanism" comprisesa pocketin the formgof acasing'@ which is secured to an angle`plate 8 arranged transversely of the Vsupporting frame 9forfthe unit, and form- Figures and "2, the' casng. 7'` rests upon the horizontahportions.of the angle plate, and

j is secured thereto by means ofbolts and 11 is arranged Within the casing yabove the'angle plate, andthebolts `and nuts 10 clampthe bottom of the casing betvveenk the bar.l casing1 has, aetopV 12 ,which is removablyheld l of'clamping bars barsllc af e arranged Within y17 is arrangedfjust outside the end Wall ot thecasing,vanda suitable pumpis connected Withf'one eiid -ofthisl header for making suctipn`-therethrough,and the header has a 18, eachof which is 2. "lhegnipples?` extend toward the casing 1, and the'iiangesof theA nipples abut the vvShort sections preferably of brass, are passed registering openings in the rear the endvvall of 2o 'of' pipe through have registering Opening@ at ,each nipple. 1.8,

and a Washer 21 is threadedjonto the pipe 2O inside the cas ,ing7. Thus v the v'rear gwall andgtheeendvvall of thecaszing 1 are clamped of 'the casing 7 between the yv vashersZl and theanges 19 of v the nipples 18. ,Asshovvn in Figure 2, thevv pipes 20""extend to near the central vertical plane of the casing 7, and eaohpipe has a flaring mouth piece 22 at its inner end, the said mouthpieces being threaded andthe angleplat'e. The

CIK

'formed by the drying lor collector 17.`

over the flaring surfaces of the niouth-"' thebottomoi the casing 7 y arranged below onto thev pipes. A section 23 off pipe is passed through the front wall of the casing 7, the said wall is threaded onto this pipe section at the inner icace of the liront wall of the casing. A coupler or union the pip wall oi' the casing, and the saidiront wall is thus clamped between 24 and the unions 25. A nozzle` 26 isl supported bythe` pipe sections 23, the said nozzle having extensions '27 in the form of threaded nipples, which engage within' the unions. The nozzle has the opening thereof yjust 3, and it'will be evident that when the air air will be drawn in through the nozzle, kand'will carry with it vapor which is of the4 web. `This vapor passes in through the pipe sections 23 to the pocket. The gas and vapor pass out through the pipe sections 20 totheheader The liquid pieces 2,2, onto and means is providedv for permitting the casing to be drained of such products. The said means comprises a collector pipe '28 arranged" beneath the ca sing'7, and' con# nected to the casing at intervals by pipes 29. IOne end ofthe pipe 28 is closedga'nd permitting the liquid 'contents oi' the pocket to be withdrawn when desired. 't

In a dryer 4unit providedwith the improved vapor removing mechanism, all the moisture vaporized by dryer will be sucked into the pocket.7 through the nozzle, condenses in to liquid may be drawnofl` through the pipe 29. 'The gaseous portion passes vout through the header 17. In the usual'arrang'ement, a portion of the vapor will re`conde`nse upon thepaper web, and this moisture must be removed throwing an additional burden on the heaterif such moisture is afterwards removed,V and pro'- ducing an improperly dried paper ifjit isy not removed. t

I claim:` v l. y l. In a dryer comprising a'casing having a heater, and means Jfor supporting a movingv web of paper above the heater, of ymeans within the casing for collecting and removing the vapor orniedin the drying ot the web, said means comprising a suction nozzle the web, and extending transversely thereof, `a collector header, and

a separating box between the suction nozzle and the collector header.

having openings regis- Y tering with` the nipples 18, and a washer2i.V Within the Casing 25 engages that endol e 23 which extends beyond the front,

'a' separating b" xbetween the suction the said washers` below the upper run of the apron 'named Plpes extending nt l lastfnain'ed pipes. 1s exhausted within the pocket or casing passes down sat'econ'necting the l t y 'or'fcollectin' and removiii valves 30` are arranged in the pipes 29 for D g prising a suction of the action of the and the portion which 7.In a dryer 2. In a dryer comprising a casing having a heater, and 'means for supporting amovingl web of paper above the heater,of means ing vthe vapor formed in the drying of the web, said means comprising a suction nozzle varranged"below the web, and 'extending a collector hea-der, and nozzle and the collector header, said box comprising .a casing, v,pipes extending'from the nozzle intofthe casing, and otherpipesextend-- ngifrom theheader into the casing, and" transversely thereoi,

alinement with .the Jfirst-named pipes, and of a'greater `diameter,`the ends of the iirstf.

the ends of the 3. In a dryer for Jforv collectingI and removing lthe vapor formed in the drying' of the paper,` and comprising a suctionnozzle arranged adja cent to the paper,` and versely' thereoff v 4:.. Ina dryerl 'for paper or the like means for Ycollecting Yand removing the vapor for collecting and removf,

paper or the like, means extending trans-tV formed in the -drying ot the paper, and coinprisingasuction nozzle arranged adjacent' Yto the paper, extending transversely theref of, a collector header, and Ameans for sepa` rating the air. and; vapor roin'the conden-r nozzle with the header.

5. In a dryer for paper orthe like meansi the vapor formed lin the dryingpof the paper, and comto the paper, extending transversely thereof, a collector header, and a series of means for separating the, air and vapor from the condensate connecting the nozzle with vthe header. r i

6, In a dryer `forpaper orthe like,a casing, meansfor supportingand guiding a web of paper ing open, andthe web oi paper closing the said top, heating means within the casing below the web, meansgfor withdrawing air `from the casing, said. casinghaving. inlet .the casing saidvcasing having inlets for ail to replace ythat withdrawn.

e or the like to be dried. through 'the casing, the `toplof the casing henozzle arrangedV adjacent for paper or the like, a cas-` In testimony whereof I affix-my signature.-

FREDERIC Parson anni).l

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