USRE13863E - Meuts - Google Patents

Description

G. w, SWIFT, JB.

MAHINE FOR FACING QORRUGATED PAPER. mrniculon r1121: MAR. 13, 1911. r I Reissued Jan. 5, 1915. v V 1 3,863. f f

2 snnn'rssnm 1i FIG. 1

G. W. SWIFT, Jn. MACHINE FOR FACING CORRUGATED PAPER.

APPLIUATIIOH mm 1I.AR..13:1911- 13, 3. 2 BHEE'l'l-QIEET 2.

" Reissued Jan. 5, 1915.

WIN/8858 a $2,310

ArmmlEr s raw;

()FFIOE.

GEORGE W. SWIFT, JR., D13 BOKDE NTDWIN, NEW JEREEY, ASSIGKDk, BY MESNE ASSIGN MENTS ,'TO GOBRUGA'I'EIE) IAZFER PATENT?- Ctl, Q TDA'YTGN, GRID.

13,863. I ori inal 1%. 917,593,;1ated April 6, hate,

To all'whom'z't may concern:

Be it known that 1, Gnonsn 'W. SWIFT, J12, of Bordentown, in the county of Burlington and State of New Jersey, have invented cer tain new and useful Improvements Machines or Facing Corrugated Paper, of which the following is a specification.

This inventionfrelates to a machine which being supplied with a Web of corrugated pa per having plane paper Weiss upon opposite --sides thereof and adhesive material at the contiguous surfaces oi. said webs, advances said webs continuously through the machine under pressure which retains said plane webs in substantially uniform contact With said corrugated web throughout the entire area thereof, and contemporaneously dries the adhesive material, thus producing what is termed a plane faced cellular paper hoard which, on account 01 its exceedingly light weight and comparatively great stiffness and resiliency, provides 'amost desirable material for packing and shipping cases and dividing partitions therefor.

It will be apparent that the. size and flexibility of the individual webs, prior to their being secured to each other, render it difficult to keep said wchs in proper contact with each other throughout the entire area thereof while the liquid adhesive material is setting and hardening. Obviously, the superposedwebs must be subjected to a uniform pressure to hold them in contact with each other, and this pressure necessarily createsfriction which must be overcome in advancing the webs through the machine. Inasmuch as it is the practice .to cut the product of the machine into sheets, as it passes from the machine, it will be apparent that the connected webs must be subjected to the additional pressure of moving members, such pressure generating sufiici'ent friction to grip the webs and overcome the friction due to the pressure of the means employed for preliminarily keeping said webs in contact with each other. The problems pre- .sented in the construction of machines of this character comprise, first, that of facili tating the drying operation in order that the machine will not be of undue length, and, second, to subject the webs to advancing forces sufiiomnt to'ovrcome the friction of MACHINE FOR FACING CORRUGATED PAYER.

Specification o7? Reissu'ed Letters Eatentd "fiefigs red Jan, 5, 1915,

Serial its. 443 ani. Application as filed March 13, 1911.

serial No.

asses.

the heating" compressing surfaces and yet insuificient to crush corrugations and thus destroy the desired qualities of the product.

The principal objects of the. present in vention are, first, to so coinhine the cormpressing and advancing; mechanisms as to materially reduce friction and thus 'econo misc power and insure the application of advancing it'orces in such manneras-to 'keep them well i means for facilitating the dryingcperat'ion,

within the crushing or destrucy tive lliflli); second, to provide improved;

and thus increase the speed at Which'the ma chine may be operated and, in connection Wlill'l'illlQ combining oi the advancing and compressing mechanisms, materially shorten the usual excessive length of machines of this character; third, to improve upon the means for ad iusting the heating and compressing surfaces, to adapt the same to multiple webs of varying thicknesses; fourth, to provide improved mechanism for severing said multiple Web into sheets, as it is discharged from the machine, without interruption of advancing movement, and, fifth, to otherwise simplify the construction and operation of machines of this character, and to increase the capacity improve the product thereof.

My invention will be readily understood by reference to the accompanying drawings, forming a part of this specification, in which Figures l 11 show" complementaryportions of a side elevation of a machine conveniently embodying my invention; said elevation being made in two views for corn venience of illustration. Fig. HT is a frag? mentary perspective view showing one of the upper heaters raised from its normal position to afford access to the belts extending between the upper snd lower heaters.

Referring now to the drawings, in detail, numeral l refers to a reel supporting a roll of corrugated paper web 2 which iswound with a plane paper web Said two webs pass beneath the guide roller 1, conveniently supported in the, brackets 5 extending from the machineframe As shownin Fig. I,

the corrugated papenweb 2 passes in contact with paste roll 8 wh ch is mounted pair of 55 lids-r cos to mimic in time asie receptacle 9, which is provided with tie dofier ported in a stationary position on said frame 6, and said corrugated web 2 is thus 5 coated with adhesivc its lower surface.

The reel 2, shown in Fig. l, carries a roll or piane paper web 13 which passes between ihc, am pipes 14, wand 16., more the curi from it before being brought o contact with :lhcsire coated suri of said corrug b 2. The opposed rexible sheer, znetsi beles 3.1% and 19, are respecti'veiy supported on the drums and 21' and their proximsi rims between the lids roiis 22, and the pair of feed roiis 23 and 2% which are so mounted in bearings on said frame com the space between them for passage of tile paper, may be stijustobiy varied by rotation of tbs so screws 25. Said belts l8 and 19 are mainrsined as the proper tension by the respec-' tire tightening rollers 26 and 2i which are res actively adjustsbicupos the studs 29 an carried in rigid relation with said fmms '6; such sd iusizmenis being ccnves- 'eeted bymesris of arms 3:2 and 83 WiLJil have tigiificned or loos ned with respect is said 29 said 31 F: scans c1 sire Iociss and Cilia; pros osi runs of said. b'ciis l8 and Tim) pl bsisw on this op heaters which convenicnily fo eo r sepsrabie metal borw and former being main- 35 and s bosses 39 being versicslly sdjusiable to vary the space time! and. she 3.8 bymczms screws so which extend through corrospondisg screw thread- 2 ed soclr'es in are iizgs 40 upper surfaces ofthe lugs Steam-is supplied to ooodensssc with rawn from said hestersii and 39 by rooms of the pipes and. 46, shown in Hi1, extending upon respectively opposite sides 45 of she i in rigio mission with zfid pipes have permanenfi branch connections 4-7 with the beses 38, and bars stufiing boxes filirsiigii which the branch connections 51 52cm; disconnection, so as to not only peri nib such variation in the between the wiser and iowsr bearers as is nccessr ering thicknesses of the celrodiicb she mscliise but siso izo pernni; fiche Wiper iisnters 120 be raised tsiod the cii so an aimori em: 1 as shown in Fig. HI

as so sL irci sccess the upper and io wer hesiers and the me- 6Q tallic' belts estsndiog bezfiwcen them and thus ready rsrriss'sl of any obstrucfrom said spaces i be observed that by the arrangero-czit @LMIVQ described, she opposed runs oi.

roll 10 and su t so as to respeed said belts 18 and 19 and may bc 1 in stssionsry' posi'tiori on said. frantic 1 and bear upon "511s Q ..:rsinc ii and cozivsnieintly supported tbs axis of Q i rim to the boxes may be reciprociited so the space between the plane-face cellular paper board product of the machine, may be adjustably varied by changing the relative position of the feed rolls 23 and 24, independently of the drums .20 and 21, which support and drive said belts.

In order to positively progress at con'stans tiie cciluiar the mam driv 52, shown in Fig. IL isprovided driving gear 53 in mesh with the 21, said meshed with the gear 55 said feed. rolls 23 and 24 are connected by the gears 56, and said roll 2-1 has the gear 57 meshed with the gear58 driven by the gear 55) carried by said drum 23;. Said. gears 56 to permit variation of the have long teeth space between them as above described.

the shearing mecl1sboard formed between them ing shaft with the on the shaft 70, and both being adjustable circumferentisllybn their shafts and hav- 111g means to secure them in sd usted p051 tion Said shaft carries the gear 71 shaft 73 and the latter is the center of oscillation of the adjustabie frame 74: which may be manually shifted to change rile gearing,

meshed with the gear 72 on the but is retained in s-normaliy stationary pm sition by the boil? 75 which on ages Elle frame of the machine ,Saicl slis. t 73 car ries the gear 76 meshed with the gear 77 on the shaft 78 carried by said frsme 74, and said shaft 78 is provided with the gear 2'9 meshed with the gear 59 on drum 21. As above noted, said frame Y4 and the gears carried thereby may e manually shifted to change-the ratio of the gearing connecting the main driving shaft with the shearing mechanism; for instance, said frame 74 may be turned on its center of us cillation co-incident with the shaft 73, to withdraw the gear 7 9 fromengagcment with the gear 59'u'nd present the gear 7? in engagement with said gesrfi with the result on the drum 20,

chat the shearing mechanism will be rotated slower than when the gears are connected as shown in Fig. 11. As the speed of traverse of the Webs forming the cellular board 80 is maintained constant as above described, the

length of said board passed through the shearing'mechanism during a single revolution of the latter will be greater, with the proposed change of: gearing, and consequently the sheets cut from said board '80 Will be longer than the sheets cut with the gearing connected as shown in Fig. II.

It may be observed that equal circular gears might be substituted for the elliptical gears above described it the shearingmech.

anism were always rotated at such speed that the length of the cellular board passed -therethrough during a single revolution variable angular/position on their r s .shafts, so that, in accordance with such equaled the respective circumferences of the counterpart circles described by the complementary shearing radii of the knives (30 and 61; because, under such conditions, the speed of the knives at the instant of the shearing operation, as well during the .other part of their rotation, would equal the speed of traverse-of said board and the latter would be cleanly out. However, it

-While the speed of the webs is maintained constant, the shearing mechanism were caused to rotate faster. tocut sheets of less length than said described circumference, said knives would travel faster than said board at the instant of the shearing operation, and would tend to tear it, and on the other hand, 1f the shearing mechanism were,

caused to rotate slower, to cut sheets of greater length than said circumference, the knives would travel slower than said board at the instant of the shearing operation and Would tend to retard and crush it. Therefore, I include in the train of gearing to drive the shearing mechanism, the elliptical, gears above described, which. are circumferentially adjustable and may be ecured in pcctivc variations in the rate of rotation of said knives as are required to shear sheets of different lengths, said gears may be so set that the speed ofthe knives at the instant of each shearing operation shall be ea ual to the speed of traverse of said board,'so as to cleanly cut the latter. In other words, it being characteristic of the-machine above described that the webs are fed'thercthrough at a constant rate, by means of the frictional engagement of the metallic belts 18 and. 19 between the feed rolls and 24. the

length of the sheets out from the cellular board 80 .is varied. by varying the rate of rotation of the knives and (51, and. to insure that the paper shall be sheared without tearing or crushing it, said knives are caused to move at the same speed as said -tate the drying operation.

webs While in engagement therewith, re-

gardless of the time required for them to make a complete revolution, such momentary speed of the knives being determined by the adjusted angular position of the elliptical gears.

- IVith respect {to the machine just described, it will be apparent, first, that'in the use of a'series ot comparatively narrow belts, to provide the conveying means, I eX- pose a relatively large area of the outside faces of the combined webs and thus facilitate the drying operation, which, obviously, is merely the process ot evaporation; sec- 0nd, that evenai' other advanc ng means than these belts are employed, I. have practically eliminated friction in'drawing the webs between the heating plates. Furthermore, it will be noted that the means for advancing the. paper webs, instead of being at one end of the machine, are located between the heating plates, whereby the-machine is of comparatively shortiength and occupies less space than machines in which the heating and advancing means.are sepa rated It may be said, therefore, that a machine embodying my complete invention possesses the manifold advantages of, first, occupying comparatively but little space; second, reducing friction and therefore economizing power and insuring against the necessity for the application of crushing or destructr iorces to advance the paper; and, third, providing advancing means which does not cover the entireouter sur faces ,of the webs, but exposes the major portion of the area of said surfaces to facili- Furthermore, I prefer to employ endless conveyer belts of ie-Xible sheet metal, primarily because the weight of bolts of this character, throughout the extent oi the runs, not only serves to keep the webs in contact with each other during the drying operation, but also provides sullicient gripping friction to engage and advance said Webs. In this manner, the

upper heating plate, instead of being held in contact with the upper facing web, may be raised slightly above the same to provide an air space to facilitate evaporation. In addition to this, belts of leather, fabric or the like materials, are subject to changes under dili'erent conditions of humidity and temperature, while a sheet-metal belt, While suliiciently flexible, does not expand and contract under such conditions to an extent suificient to impair-the proper performance of its functions.

I do not desire to limit myself to the pre- -cise details of construction and arrangement above dcscribed,,as it is obvious that various modifications may be made therein without departing from the essential features of my invention as defined in the appended claims.-

I claim as new and desire to secure by Letters Patent: a. machine for facing corrugated "'e combination, with members lo'r'mlscd and substantially,continuous and pressing surfaces, of endless convey means passing between said surano adapted to advance the super posed i er webs therethrough, the total operative area of said conveying means cov caring a minor portion only of the area of outer faces of said webs and the major portion the latter being in direct Contact with said heating and pressing surfaces.

In a aper, the combination, with members forming opposed and substantially continuous heatiin, and pressing surfaces, of a plurality oi endless conveyor belts spaced at a distancefrcm each other and directed between surfaces to advance the superposed paper webs thercthrough, the total area of belts covering a minor portion only of the area of the outer faces of said webs and ties major rect cents.

8 in a machine for facing corrugated paper, the combination, with members pcoriding opposed and substantially continusting and pressing surfaces, and

adjustably varying the distance se n said opposed members, of a series of opposed endless belts spaced at from each otherand running be rid members to guide and advance r webs therethrough with a substanwith said heating and pressing said heating and pressing sura machine for facing corrugated the combination, with means for noons'ly' subjectin the superposed oer webs in transit to opposed stationary .ting and pressing members, of advancnseains operating between said webs and re area of said advancing means covminor portion only of the surfaces abs whereby a substantial portion is continuously in direct Contact said heating and pressing members In a machine for facing corrugated combination, with a series of.

or applying heat and substantially continuous pressure to said webs during transit through the machine, substantial portions of said webs being in direct machine for facing corrugated ntion of the latter being in diof the area thereof in direct coneating and pressing means, the total I contact with said heating and pressing tween said rollers and thereb' corres' 0nd J P ingly varying the space between said i'EHlS, and means for applying heat and substan tially continuous pressure to the superposed webs during transit through the machine,

substantial portions of the areas of said webs being indirect contact with said heating and pressing means.

7. In a machine for facing corrugated paper, the combination, with movable cndless belts of flexible sheet metal having opposed runs, of means arranged to direct between said opposed belt-runs a corrugated paper Web with and between plane facing webs, drums supporting said belts arranged to drive them in unison, feed rolls between which said belt-runs pass, having means an ranged to adplst'ably vary the space between said runs, whereby said. webs are carried by and moved in unison with belts, and means arranged to heat said belt-runs independently of the other portions of the bolts.

8. In' a machine for facing corrugated paper, the combination, with a series of pairs of movable endless belts of flexible sheet metal spaced at a distance from each other and having opposed runs, r 1' means arranged to direct between said opp-sedbelt-runs a corrugated paper web with and between plane facing webs, drums supporting said belts arranged to drive them in unison, feed rolls between which said belt-runs pass, having means arranged to adjust/ably" r space between said runs, whereby sai webs are'carricd by and moved in unison with said belts, and means arranged to heat said belt-runs independentlybf the other portions of the belts, said ieans comprising stationary planefaced steam boxes between Which said belt-runs extend.

9. In a machine for. facing corrugated paper, the combination, with a series of pairs of movable endless belts of flexible sheet metal' having opposed runs, of means arranged to direct between said opposed belt -'runs a corrugated paper web with, and between plane facing webs, drums supporting said belts arranged to dl ive themin unison, feed rolls between which said belt-runs pass, having means arranged to adjustably vary the space hethe Tied by and moved in unison with said belts, and means arranged to heat said belt'runs independently of the other portions of the "belts, comprising steam receptacles above and below said belt-runs having telescopic connection with pipes leading to the steam supply. 10. In a machine for facing corrugated paper, the combinatiomwith a series-of pairs of movable endless belts flexible sheet metal spaced at a distance from other and having opposed runs, of means arranged to direct between said opposed belt-runs a corrugated. paper web with and between plane facing webs, drums supporting said belts arranged to drive them in unison, feed rolls between which said belt-runs pass, having means arranged to. adjustably vary the spacebetwecn sai'n runs, whereby said webs are carried by and moved in unison said belts, means adjustable to vary the tension on said belts in correspondence with the ad ustment oisald iced rolls, and means arranged to heat said belt-runs independently 1 mg means arranged to adju'stably vary the space beta son said runs, whereby said webs are carried bvand moved in unison with said belts. means adjustable to vary the torn si on on said belts in correspondence with the ad ustment of said feed rolls, said means comprising independently adjustable rollers for the respective bolts, and means arranged to heat said belt-runs independently of the other portions of the belts.

12. In a machine for facing corrugated paper, the combination, with means for ad vancing a corrugated paper web with facing -Webs upon opposite sides thereof between opposed heaters, of shearing mechanism for said webs comprising opposed and 1ntergeared rotary lUllVES, and a, train of gears for rotating said knives, said train including,

elliptical gears for varying the speed of rotatlon of said knives, and said gearing 11nsuring operation of said shearing mechanism in definite relation to said advancing means.

13. In a, machine for facing corrugated paper, the combination, with means for progrossing a corrugated paper web with plane facing webs upon opposite sides thereof, and opposed heaters between which said webs conti' pressure of shearing mec a 1 i for Webs comprising intergcarec. opposed rotary 1 means.

cred iiinivesand rncans'rotating said knives, said 'Ineans being variable to change the speed of rotation bil said'lcnives and comprising connections to operate said shearing mechanism in definite relation to said progressing 14. In a fmachine for facing corrugated paper, the combination, with means for progressing a corrugated paper web with plane facing webs upon opposite sides thereof, said means inoluding'opposed endless belts between which said webs are directed, and opposed heaters upon opposite sides of said webs, of shearing mechanism for said webs comprising opposed and intergeared rotary knives, and a train of gears for rotating said knives, said train including elliptical gears for varying the speed of rotation of said knives, and said gearing insuring operation of said shearing mechanism in definite rela- "tionto said progressing means.

15. in a machine for facing corrugated paper, the combination, with means for progressing a corrugated paper web with and between plane-facing webs, said means including opposedendless belts of sheet metal respectively in contact with ,said fiicing webs, opposed heaters between which said Webs are directed, and means for varying the space between said heaters, of shear" ing mechanism for said web, said mechanism comprising opposed and intergeared rotary knives, said 'lmives being driven by gearing which includes elliptical gears and which is variable to change the speed of rotation of said knives, and said gearing insuring operation of said shearing mechanism in definite relation to said progressing means.

16. In a machine for facing corrugated paper, themombination, with means for progressing a corrugated paper Web with and between plane facing webs, said means ins eluding opposed endless belts of sheet metal respectively in contact with said facing webs, opposed heaters comprising plane-..

faced steam boxes, means for adj ustably supporting said heaters upon respectively opposite sides of webs, means for connecting said heaters with a source of steam supply, the connecting means for one of said heaters comprising a telescopic pipe connection whereby s; id heater may be raised and low- 17.1121 a machine for facing corrugated paper, the combination, with means for progressing a corrugated paper web with and between plane facing Webs, said means including opposed endless belts of sheet metal mspectively in contact with said facing webs, opposed heaters comprising plane,- faced steam boxes, means for 'adjustably supporting heaters upon respectively opposite sides of said webs, means for connecting heaters with a source of steam supply,

the connecfiing means for one at said heaters iiGIJ. @fsaisi sham am dafinira 19 comprising 221 telescopic pipe connect-ion relation 30 said pmgressing whereby said heater may be raised and low In tasairmmy 0f the fm'eg-uing 3 have fired, qf sl'leal'ing mechanism far said Webs hereunta set my hand in the presence sf two 5 comprising intgrgeared opposed rotary witnesses. I

knives, said knives being driven by gearing if SWEET, which inuludss elliptical gears and which is Witnesses: variable t0 chn nge the $peed of ro hation of mm; HEXSLER 32mm,

said knives, and said gearing insuring opem- "WM. H.

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