US1935214A

US1935214A - Method and machine for making corrugated fiber board

Info

Publication number: US1935214A
Application number: US464484A
Authority: US
Inventors: Arthur C Schroeder
Original assignee: Consolidated Paper Co
Current assignee: Consolidated Paper Co
Priority date: 1930-06-28
Filing date: 1930-06-28
Publication date: 1933-11-14
Anticipated expiration: 1950-11-14

Description

Nov. 14, 1933. A. c. scHRoEDER METHOD AND MACHINE FORMAKING CORRUGA''ED FIBER BOARD 4 sheets-sheet 1 Filed June 28, 1930- INVENTOR Ae THU/a C. Scf/eoL-DE@ ATTORNEYS NOV- 14, 1933 A. c. scHRoi-:DER

METHOD AND MACHINE FOR MAKING CORRUGATED FIBER BOARD Filed June 28, 1950 e 0 Y E mm M N C m W5. m mC Mm m 4j QN wn. g

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-NOV- 14, 1933- A. c. sCHRoEDl-:R

METHOD AND IIACHINE FOR MAKING CORRUGATED FIBER BOARD 4 Sheets-Sheet 5 Filed June 2s. 1930 INVENTOR Afan/w? C. 5 Meo/50:4

v ATTORNEYS Nov. 14, 1933. A c, scHREDER 1,935,214

METHOD AND IACHINE FOR MAKING CORRUGATED FIBER BOARD Filed June 28, 1930 4 Sheets-Sheet 4 INVENTOR 11E-Ulu@ SC//oL-DEE,

' ATTORNEYS UNITED STATES PATENT OFFICE METHOD AND MACHINE FOR MAKING COR- RUGATED FIBER BOARD Arthur C. Schroeder, Syracuse, N. Y., assignor This invention relates manufacture of fiber bo to Consolidated Paper Company,

Monroe,

Mich., a corporation of Michigan Application June 28, 1930. Serial No. 464,484

25 Claims.

to improvements in the ard and has particular reference to a method and machine for making corrugated board in which the corrugations extend diagonally relative to the edges of the material.

Corrugated fiber board is employed extensively in the manufacture of boxes or cartons used for shipping purposes and, as is well known, such boxes are required to meet certain specifications,

particularly with regard to strength. The corrugated board customarily used at the present time is of the double faced type wherein the corrugated web, commonly known as the straw",

has its corrugations extending perpendicular to the longitudinal edges of the sheet from which the box is formed by a creasing or scoring operation upon the sheet. This known type of board has many advantages which have resulted in practically a universal us e of the same for many purposes but, in some instances, boxes made therefrom have been found to be lacking in required strength, especially at the corners thereof, and furthermore the scorings in the board made to form the bottom, sides, etc. of a box have been known to wrinkle said b oard to such an extent as to damage small cartons packed in the box.

It has been heretofore boxes as above referred which the corrugations o suggested to make such to from fiber board in f the straw run diagonally to the edges of the blank from which the box is formed so that, following the usual scoring and assembly operations, the corrugations will extend diagonally to the various edges of the box. Such a construction results in a box having greater qualities of strength and rigidity, especially at the corners, and eliminates difliculties previously experienced in the scoring operation owing to the fact that all creasing of the board is done in directions transverse to the corrugations.

HOW-

ever, attempts heretofore made to design a commercially practical machine for manufacturing diagonally corrugated boxes have not met with success. plish the desired end hav use of a corrugating roll Previous experiments made to accome generally included the of the spiral type. Such a roll not only necessitates the designing of practically an entire new machine from the kind now in use, but it has been found that the roll frequently breaks the material, thereby lmaking the ultimate cost of production too high for commercial purposes.

ture diagonally corrugate d board, the present invention has been designed, and in accomplishing the desired result it has been made possible to utilize standard types of corrugating, gluing and other necessary machines without material alteration therein.-

In accordance with one of the features of the invention, it is proposed to divide into a plurality of sections a continuous length of corrugated material in which the corrugations extend perpendicularly to edges of said length, and then assemble said sections into another continuous length wherein the corrugations run diagonally relative to said edges.

Another feature is to apply a liner to a continuous web of material in laterally offset relation thereto and then cut said web and liner on diagonal lines to form a plurality of sections which are subsequently assembled into another continuous length in which the corrugations extend diagonally and a portion of the liner of each section overlaps a part of the corrugated web of a next adjacent section.

A further feature is to feed a continuous length of corrugated material to a cutter at a certain speed to divide said length into a plurality of sections which are subsequently made to move at a greater speed during-which they are turned so that their'cut edges extend in the direction of the longitudinal movement thereof, after which the speed of the sections is retarded to enable them to come into abutting relation and then be assembled into another continuous length.

- The above and other objects will appear more clearly from the following detailed description, when taken in connection with the accompanying drawings, which illustrate a preferred embodiment of the inventive idea.

In the drawings- Figure 1 is a schematic side elevation of apparatus employed for the manufacture of diagonally corrugated board in accordance with the present invention, the novel mechanism being indicated within the dotted lines and being shown in conjunction with a standard type of corrugating machine at the left thereof and a commonly used gluing and liner-applying apparatus at the right of the iigure;

Figure 2 is also aschematic view in section illustrating the progressive steps through which the ber board passes during the assembly of the sections which constitute the finished product;

Figures 3 and 3a, when placed end to end, illustrate in side elevation the cutting and assembly mechanisms which are shown schematically at the intermediate and right-hand portions of Figure l;

Figures 4 and 4a, when placed end to end, illustrate the mechanismsof Figures 3 and 3a in top plan view; V

Figure 5 is an enlarged fragmentary side elevation of the cutting mechanism and control therefor;

Figure 6 is a fragmentary sectional view of the means for controlling the intermittent operation of the cutting rolls;

Figure 7 is a fragmentary longitudinal section through the cutting and assembly mechanisms;

Figure 8 is a transverse section on the line 8-8 of Figure 7; and

Figure 9 is a sectional view on the line 9 9 of Figure 4. y

As hereinbefore indicated, the novel mechanism embodying the characteristic features of the present invention and generally indicated by the character A in Figure l is capable of being used in conjunction with a standard type of corrugating machine B and gluing and liner-applying mechanism C, said mechanism A being interposed between the apparatus B and C which, in the manufacture of the ordinary double faced fiber board, are directly joined to each other. A brief description of the corrugator B will be sumcient for a complete understanding of the mode of operation of the present machine. The function of the corrugatonB is to produce a continuous length of single faced corrugated material and this is accomplished by feeding a web of straw 10 and a facing liner 1l through a corrugating and gluing apparatus, generally indicated by the numeral 12, where the straw is corrugated and attached to the liner, thereafter being led from the machine-over the guide rollers 13 and 14. In the manufacture of ordinary 4corrugated fiber board, the corrugations are made perpendicular to the longitudinal edges of the straw web 10 and the liner 11, which is of the same width as the web, is applied thereto with their longitudinal edges in registration. However, in accordance with the present invention, it is proposed to apply the liner to the web in laterally offset relation so that a portion 15 (Figure 4) of one longitudinal edge of the liner will project slightly beyond the adjacent edge of the web. while the opposite edge of the liner will terminate short of the contiguous edge of the' web, thus leaving a portion 16 of the latter exposed. During the passage of the web and liner through the corrugator the adhesive is applied across the entire width 10 after it has been corrugated in the same manner as usual so that the small exposed portion of the web which projects from one edge of the liner will also have adhesive thereon which later is employed in the assembly of the sections which are cut from the continuous length of material as it is fed from the corrugato'r. The offset relationship between the web 10 and liner 11 may be obtained by simply shifting laterally the roll from which the liner 11 is drawn. The single faced corrugated board is now withdrawn from the corrugator B by passing the same between a pair of feedrolls 17 driven from the corrugating machine by a drive belt 18 which causes the board to be fed to thevmechanism A at a certain predetermined speed. The continuous strip of material is now ready to be cut into sections each of which successively has its position shifted relative to that in which it was located immediately subsequent to its severance from the continuous strip of board, and

then assembled into another continuous length of material with the corrugations running diagonally across the board.

As previously explained, the corrugations in the straw run perpendicular to the longitudinal edges of the web 10, but in accomplishing the results of the -present invention it is immaterial whether such l-corrugations extend in the above manner, or run longitudinally of the web. As' the single faced board is fed between the rolls 17\ it approaches a cutting mechanism which is intermittently operated to sever from the board a section of predetermined length, which length forms the width of the board after the sections have been assembled to constitute the second continuous strip of material which is the iinal product of the machine. Said cutting mechanism comprises upper and

lower cutting rollers

19 and 20 arranged diagonally across the machine and consequently in a diagonal direction relative to the corrugations in the web 10, and adapted to have the board fed between the same by the rolls 17. The cutting roller 19 has a knife -edge 21, while the roller 20 has a groove 22 therein for receiving said edge as the rollers operate to sever the material. The

rollers

19 and 20 are rotated intermittently under the control of the sheet of material as it passes between the same and when so rotated they make one complete revolution. This operation is accomplished in thefollowing manner: As the forward end of the material passes under a weighted roller 23 (Figure 4) which holds the sheet down, the front edge of the latter strikes the upper end of a rocker arm 24 normally supported in a vertical position upon an oscillatory shaft 25, the ends of which are mounted in bearings 26 which are adjustably carried upon rods 27 arranged beneath the frame of the machine. The engagement of the material with said rocker arm causes the upper end of the latter to swing to the left, as viewed in Figure 5, with the result that the link 28 adjustably secured to the lower end of said arm is moved to the right to operate a lever 29 pivoted at 30. The movement of this lever is employed to control a clutch mechanism to couple the upper cutting roller 19 with the drive for the cutting mechanism. This drive comprises two spiral gears 3l and 32 (Figure 4) continuously driven from the shaft 33 extending transversely of the machine which is rotated in a manner to appear in the course of the description. The shaft 34 upon which the continuously rotating gear 31 is mounted also drives the clutch member 35 having a recess 36 therein. Associated with the member 35 is a second clutch member 37 in which is slidably mounted a spring-pressed plunger 38 adapted to engage in the recess 36 when the

clutch members

35 and 37 are connected so as to cause rotation of the latter member which is carried by the roller 19. Normally the plunger 38 is held in a retracted position from the recess 36 by means of a pivoted latch 39 extending into a slot 40 in the outer end of the plunger 38. The free extremity of the, latch 39 is normally engaged by a trip 41 carried by the lever 29. Thus, as said lever is rocked as previously described, the trip 41 will elevate the latch 39 and disengage the same from the slot 40 in the plunger 38, thus permitting the spring of the latter to force it into the recess 36. Just prior to this action taking place the knife 21 and groove 22 are in the position shown in Figure 5, from which position only a slight movement of the rollers is necessary p to bring said elements into cooperative relation 4lll) to,sever the board along a line which is diagonal to the corrugations in the web 10, whether these corrugations run transversely or longitudinally of said web. Asthe latch 39 reaches the extremity of its upward movement under the lifting inlluence of the trip 41, the latter passes beyond the end of said latch permitting the same to return to its normal position. At this time the plunger 38 has been carried away from the latch by the rotation of the

clutch members

35 and 37 and'the knife 21 and slot 22 have cooperated to sever a section from the length of board. Also, the section is being conveyed, in a manner to presently appear, away from the cutting mechanism and is passing over the rocker arm 24. When the edge of the section which has just been cut has passed beyond and out of engagement with the rocker arm 24 a spring 42 acts to restore the lever 29 and said rocker arm to normal position. In doing so the latch 41 which is pivoted to the lever 29 rides over the extremity of the latch 39 and again assumes the position shown in Figure 5. In the meanwhile, the rollers 19 'and continue to be driven until a complete rotation has been made. As said rollers near the end of their rotation the plunger 38 aproaches the latch 39 and the latter enters the slot 40. Said latch is provided with a cam 43 which, as the latter action occurs, engages an edge of the slot 40, as seen in Figure 6, and continued movement of the plunger causes the latter to beI withdrawn by said cam from the recess 36. Upon complete withdrawal, the clutch member 37 continues to rotate, but the member and the

rollers

19 and 20 come to a stop, the latter having been driven through its rotation by the gears 44 and 45 carried, respectively, by the ends of the

rollers

19 and 20 remote from the clutch mechanism.

Returning now to the point in the operation where the forward end of the uncut board is being passed between the cutting rolls and prior to said end engaging the rocker arm 24, means are provided intermediate said cutting mechanism and rocker arm and at one side of the machine for engaging the flange formed by the projecting edge 15 of the liner 11 to turn said ange upwardly, as indicated in Figure 9, for a purpose which will appear in the course of the description. This means comprises a pair of superposed rollers 44a and 441) carried in an inclined position by a guide 45a extending longitudinally of the machine. As said ange 15 engages between the rollers 44a and 44h it is turned up slightly and remains in this position until the variously cut sections are assembled in the final product.

The length of the severed section, which ultimately becomes the width of the nished product, may be varied at will by adjusting the rocker arm 24 toward and away from the cutting rolls. This is done by' loosening the bearings 26 and the connection of the lower end of the arm 24 with the link 28 and then moving said bearings with said arm and the shaft 25 longitudinally along the rods` 27 until the desired position is reached, whereupon the bearings 26 are secured in their adjusted positions and the link 28 is fixed to said rocker arm.

The severed section is now conveyed away from the cutting mechanism at a speed greaterl than that which is imparted by the rollers 17 to the continuous length of material. This conveying is accomplished through the intermediary of a plurality of longitudinally extending conveyor belts 46 which extend around pulleys carried by the shafts 47 and 48 arranged transversely of the machine at opposite ends of the mechanism A. Said conveyor belts also are engaged with a series of intermediate idler pulleys 49 (Figure 8) revoluble upon the stationary shaft -50 supported in the sides of the machine, these intermediate pulleys being provided to prevent sagging of the belts. The drive for the shafts 47 and 48 is effected from the mechanism-C which derives its power from a suitable source (not shown) through the drive element 51 (Figure 3a) This power is then transmitted through the chain 52 or other endless element to the shaft 48 and thereby to the various conveyor belts 46. The rotation of the shaft 48 is such as to drive the belts at an increased speed over that of the travel of the board before it is cut so as to carry each cut section away from the adjacent end of the following section about to be cut to permit said cut section to be turned ln a manner to presently appear and as indicated by the dot and dash lines in Figure 4.

Shortly after the forward end of the cut section has passed on to the conveyor belts 46 the forward diagonal edge of said section engages with a means for effecting a shift in the position of the section from that which it assumes as it passes on to the conveyor belts from the cutting mechanism to the position wherein the diagonally cut edges of the section are extended in' the direction of movement of the sections through the machine. This shifting movement which is in the plane of the section then brings the latter to the position where the corrugations in the web 10 extend diagonally relative to the then longitudinal edges of the section, as shown toward the right of Figure 4. The means for accomplishing the turning or shifting of each section comprises an endless belt 53 arranged towards one side of the machine so as to engage a section adjacent the projecting portion 16 of the web 10, said belt extending around two

pulleys

54 and 55 and over a large idler pulley 56 which causes a portion of the belt to be elevated above the belts 46. The

pulleys

54 and 55 are carried, respectively, on

shafts

57 and 58, the latter of which is driven off of the shaft 48 by means of the chain 59. The sprocket carried by the shaft 58 and with which the chain 59 engages is smaller than the sprocket on the shaft 48 so that the shaft 58, and consequently the belt 53, will be driven at an increased speed over that of the belts 46. By reason of this increased speed and the frictional engagement oi the belt 53 with the under side of the section the latter has imparted thereto a turning movement at the same time that it is being moved forwardly. Immediately following the engagement of the forward edge of the section with the belt 53, said section will come into contact and ride over a guide 60 which is coextensive longitudinally with the belt 53 and which is also inclined downwardly transverse of the machine, as best shown in Figure 8. To facilitate the movement of the section over the guide 60, the then elevated portion of said section is engaged by a soft felt roll 61 which may be driven from the shaft 58 by a chain 62. To prevent any possibility of the section sliding oif of the guide 60 in the direction of the side of the machine, the conveyor belt 46 at the extreme left of Figure 8 is provided with a raised portion 63 against which the lower edge of the section abuts as it is being moved along. As the section is being turned it rides over the guide 60 and then4 again passes on to the conveyor belts 46 at which time it is in its completely turned position, as shown at the right of Figure 4.

ward the mechanism C in slightly spaced relation to the preceding section. As each section approaches the mechanism C it engages a guide 64 which is adjustable to the width of the finished product, that is the length of each section before the latter is turned, and then passes between the superposed pressure rolls 65 which are driven by the shaft 48 through the medium of a chain 66 at a slower'speed than that of said shaft. This slower speed of the pressure rollers retards the said following section passes under the flange 15\" of the section in front thereof, which flange at this time is slightly raised, as indicated atthe left of Figure 2, this raising of the flange having been accomplished by the rollers 44a and 44h. After' this has been accomplished the overlapping portions of the adjacent sections pass between the pressure rolls 65 which then force the flange 15 downwardly into contact with the portion 16 having the adhesive thereon. The adjacent sections are thus assembled and securely connected to each other, whereupon they pass to the gluing or adhesive-applying apparatus of the mechanism C preparatory to having a backing liner applied to the under surface of the web 10. Briefly, the gluing apparatus (Figure 3a) comprises a large roll 67 partially immersed in a reservoir loi adhesive and driven in the direction of the arrow by the endless element 68. Contacting with the roll 67 is a Small adhesive-applying roll 69 which engages with the under surface of the web 10 to apply adhesive thereto, there being a weighted roll 69a superposed above said roll 69 to engage the upper surface of the material. As soon as the continuous length of material passes from the gluing apparatus, the backing liner 70, which is fed from a roll 71 and which extends around a roller 72, is brought into contact with the under surface of the web 10 and adheres thereto. From the mechanism C the finished product passes on to the customary drying apparatus (not shown) and after coming therefrom is ready to be cut into suitable lengths.

What is claimed is:

l. The method of making iiber board which comprises moving a continuous length of material in one direction, dividingsaid length into sections having edges diagonal to the longitudinal edges of vsaid length, and, while continuing to move said sections in said direction, assembling the same into another continuous length wherein said diagonal edges form the longitudinal edges of said other length.

2. The method of making fiber board which comprises moving in one direction a continuous length of corrugated material in which the corrugations extend transverse to said direction of movement, dividing said length into sections and assembling said sections into another continuous length, while moving them in said direction, with said corrugations then extending diagonally'to the direction of movement.

3. The method of making fiber board which comprises cutting a continuous length of corrugated material along lines extending diagonally to the corrugations thereof to form a plurality o' sections, turning said sections so that the edges thereof which constituted the longitudinal edges of said length are in abutting relation, and

1,986,214 'The section is now carried along lon the belts tosecuring together said abutting edges to form another continuous length.

4. The method of making ber board which comprises cutting into sections `a continuous length of corrugated material in which the corrugations are perpendicular to the longitudinal iprovide a plurality of sections, and assembling said sections into another continuous length with a portion of the liner of each section overlapping a portion of the web of a next adjacent section.

v6. 'Ihe method of making fiber board which comprises attaching a liner to a continuous web of corrugated material in which the corrugations are perpendicular to the longitudinal edges of said web while said liner and web are being moved in one direction, cutting said web and liner into a plurality of sections, and, while continuing to move said sections in the same direction, assembling the same into another continuous length in which said corrugations extend diagonally thereacross.

7. The method of making fiber board which comprises moving a continuous web of corrugated material past a cutter at a certain speed. cutting said web on lines diagonal to the corrugations therein to form a plurality of sections, moving each section at a greater speed than the rst named speed and simultaneously turning said section to position the cut edges thereof so as to extend longitudinally of the direction of movement of said web, and assembling said sections in their turned positions into another continuous length.

8. The method of making liber board which comprises moving a continuous web of corrugated material past a cutter at a certain speed, cutting said web on lines diagonal to the corrugations therein to form a plurality of sections, moving each section at a greater speed than the rst named speed and simultaneously turning said section to position the cut edges thereof so as to extend longitudinally of the direction of movement of said web, then retarding the speed of movement of said sections to bring adjacent ones into abutting relation, and assembling said sections into another continuous length.

9. The method of making ber board which comprises applying a liner to a continuous web of corrugated material in laterally oiset relation thereto, moving said liner and web past a cutter at a certain speed, cutting said liner and web on lines diagonal to the corrugations in the latter to form a plurality of sections, moving each section at a greater speed than that of the continuous web, turning said section to present its cut edges in the direction of movement of said web, and thereafter assembling said sections into another continuous length with a portion of the liner of each section overlapping a portion of the web of a next adjacent section.

10. The method of making fiber board which comprises applying a liner to a continuous web of corrugated material in laterally oiset relation thereto, moving said liner and web past a cutter at a certain speed, cutting said liner and web on lines diagonal to the corrugations in the latter to form a plurality of sections, moving each section at a greater speed than that of the continuous web, turning said section to present its cut edges in the direction of movement of said web, then retarding the speed of movement of said sections to bring a portion of the liner of each section into overlapping relation to a portion of the web of a next adjacent section, and attaching said portions together to form another continuous length.

11. In a machine for making corrugated board, a mechanism for cutting into a plurality of sections a continuous length of corrugated material in which the corrugations run in one direction relative to said length, means to turn said sections so that the corrugations extend diagonally to the first-named position thereof, and means to assemble said sections in their turned positions into another continuous length.

12. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction, means to apply a liner to said length in laterally oifset relationto opposed edges thereof, a cutting mechanism for severing said length on lines diagonal to the direction of movement of said length for dividing the same. into a plurality of sections, and means to thereafter assemble said sections into another continuous length wherein the corrugations in the material are disposed diagonally relative to the positions thereof in the ilrst-named length and wherein the offset portion of the liner on each section overlaps a part of a next adjacent section.

13. In a machine for making corrugated board,

-means to move a continuous length of corrugated material in one direction, means to cut said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of. said sections in the first-named direction and also turn each section so that its cut edges extend in said direction, and means to assemble said sections in their turned positions into another continuous length.

14. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction, and a cutting mechanism extending diagonally to the direction of movement of said length and operable to sever the same into a plurality of sections which are afterwards reassembled into another continuous length in which the corrugations are disposed diagonally to the longitudinal edges thereof, said mechanism including superposed rolls between which said material passes.

15. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of said sections in said direction at an increased speed, means operable during the latter movement to shift each section so that its cut edges extend in a direction of the longitudinal movement thereof, and means to thereafter assemble said sections into another continuous length. of material.

16. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to `the section so that its cut edges extend longidivide lthe same into a plurality of sections, means to continue the movement of said sections in said direction at an increased speed, means operable during the latter movement to shift each section so that its cut edges extend in the direction of the longitudinal movement thereof, means to retard the speed of movement of said sections after being turned tp cause the same to come into abutting relation, and means to secure together said sections at their points of engagement to` form another continuous length of material.

17. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of said sections in said direction at an increased speed, an endless element movable in the direction of travel of said sections and engageable with each of them adjacent one of the edges thereof to turn the section so that its cut edges extend longitudinally of 'said direction of travel, and means to thereafter assemble said sections into another continuous length of material.

18. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means tocontinue the movement of said sections in said direction at an increased speed, an endless element movable in the direction of travel of said sections and engageable with each of them adjacent one of the edges thereof to turn the section so that its cut edges extend longitudinally of said direction of travel, means to drive said element at a greater speed than the last-named 1 5 speed, and means to thereafter assemble said sections into another continuous length of material.

19. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of said sections in said direction at an increased speed, an endless element movable in the direction of travel of said sections and engageable with each of them adjacent one of the edges thereof to turn tudinally of said direction of travel, means to retard the speed of movementl of said sections after being turned to cause the same to come into abutting relation, and means to secure together said sections at their points of engagement to form another continuous length of material.

20. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at acertain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of said sections in said direction at an increased speed, an endless element movable in the direction of travel of said sections and engageable with each of them adjacent one of the edges thereof to turn the section so that its cut edges extend longitudinally of said direction of travel, means to drive said 150 element at a greater speed than the last-named speed, means to retard the speed of movement of said sections after being turned to cause the same to come into abutting relation, and means to secure together said sections at their points of engagement to form another continuous length oi' material.

21. In a machine for making corrugated board, means to move a continuous length of corrugated material in one direction and at a certain speed, a cutting mechanism operable to sever said length on lines diagonal to the edges thereof to divide the same into a plurality of sections, means to continue the movement of said sections in said direction at 'an increased speed, an endless element movable in the direction of travel of said sections and engageable with each of them adjacent one of the edges thereof to turn the section so that its cut edges extend longitudinally of said direction of travel, an inclined guide over which the sections pass While being turned, and means operable after the sections have passed beyond said guide for assembling said sections into another continuous length of material.

22. In a machine for making corrugated board, means to apply a liner in laterally offset relation to a continuous web of corrugated material so as to expose a portion of said web along one edge thereof and project a portion of said liner beyond the other edge of said web, a cutting mechanism past which the material is moved and which cuts said web and liner on lines diagonal to said corrugations to form a plurality of sections, and means to thereafter assemble said sections into another continuous length with the projecting portion of the liner of one section overlapping the exposed portion of the web of a next adjacent section.

23. In a machine for making corrugated board, means to apply a liner in laterally onset relation to a continuous web of corrugated material so as to expose a portion of said web along one edge thereof and project a portion of said liner beyond the other edge of said web, a cutting mechanism past which the material is moved and which cuts said web and liner on lines diagonal to said corrugations to form a plurality of sections, means thereupon operable to turn each section so that its cut edges extend in the direction of movement of said web and liner, and means to assemble said sections into another continuous length with the projecting portion of the liner of each section overlapping the exposed portion of the web of a next adjacent section. l

24. In a machine for making corrugated board, means to apply a liner in laterally offset relation to a continuous web of corrugated material so as to expose a portion of said web along one edge thereof and project a portion of said liner beyond the other edge of said web, a cutting mechanism past which the material is moved and which cuts said web and liner on lines diagonal to said corrugations to form a plurality of sections, means to feed said web and liner to said cutting mechanism at a certain speed, a conveyor for moving the cut sections away from said cutting mechanism at an increased speed, means operable during the passage of said sections over said conveyor to turn said sections so that the cut edges thereof extend in the direction of movement of said conveyor, and means to thereafter assemble said sections into another continuous length with the projecting portion oi the liner of one section overlapping the exposed portion of the web of a next adjacent section.

25. In a machine for making corrugated board, means to apply a liner in laterally oiiset relation to a continuous web of corrugated material so as to expose a portion of said web along one edge thereof and project a portion of said liner beyond the other edge of said web, a cutting mechanism past which the material is moved and which cuts said web and liner on lines diagonal to said corrugations to form a plurality of sections, means to feed said web and liner to said cutting mechanism at a certain speed, a conveyor for moving the cut sections away from said cutting mechanism at an increased speed, means operable during the passage of said sections over said conveyor to turn said sections so that the cut edges thereof extend inthe direction of movement of said conveyor, means to retard the movement of said sections after being turned to bring them into abutting relation with the projecting portion of the liner of each section overlapping the exposed portion of the web of a next adjacent section, and means to secure said portions together to form another continuous length of material.

ARTHUR C. SCOEDER.