JPS6333122A - Method and device for manufacturing reinforced corrugated sheet - Google Patents

Abstract

PURPOSE:To manufacture a corrugated sheet at high speed and with high yield by flattening the width direction distribution of the tension in the face inside flowing direction at the corrugation forming stage of the corrugated sheet on which corrugated bent bar rows are formed in the flow direction. CONSTITUTION:The ratio of the amplitude H to the wavy period L of each corrugated bar line 1 having an apex part 2 and bottom part 3 is taken about >=0.35, the ratio of the amplitude D in meandering shape to the period L about >=0.5 and the ratio of the amplitude D to the period N about >= 0.2, and the all thereof satisfy one or more conditions. Such a corrugated sheet is fed to a work roller, each apex and bottom parts of the bar line are formed, by their bending in a meandering shape in the sheet face inner width direction and the distribution in the sheet width direction of each tension in the face inner flowing direction is flattened. Concsequently the shear stress caused near the bending part is reduced, a tear breakdown is prevented and the manufacture can be performed with high yield at high speed.

Description

[Detailed Description of the Invention] (Industrial Application Field) A reinforced corrugate sheet obtained by forming each top and bottom of a corrugate row in a meandering shape in the sheet in-plane width direction of 7'J is manufactured at high yield and at high speed. It is colored in one color and is also based on Japanese Patent Application No. 1983-201839 entitled "Bent or Composite Corrugated Body and Method for Manufacturing the Same", filed by the same applicant as the present applicant.
No. 0-293214 "Reinforced composite Korgu body and manufacturing method thereof".

[Reinforced composite corrugate body and method for manufacturing the same] of Japanese Patent Application No. 1983-027512, “Reinforced Composite Corrugated Body and Method for Manufacturing the Same”
"Reinforced Composite Corrugate Body and Its Mffi Method", Japanese Patent Application No. 128233/1982 [-Reinforced Composite Corrugate Body and Method for Manufacturing the Same-1 Relating to a Reinforced Composite Corrugate Body and Method for Manufacturing the Same -1] Prior Art) The corrugated sheet 02 shown in FIGS. 15(a) and 15(b) which has been formed in advance is directly supplied in that state to the corrugating roller 10 shown in FIG. Regarding the conventional manufacturing method of obtaining the reinforced corrugated sheet 01 shown in FIG. 1, as shown in FIG. 3, a corrugated sheet 02 is fed to the rollers 10 to become the reinforced corrugated sheet 01- which is in the corrugate forming process. The sea+-o
In the corrugate row 1 during the bending process, i' is deformed by forwarding its serpentine peak 5 and its surrounding area in the flow direction, while its serpentine valley 4 and its surrounding area is pulled back in the opposite flow direction. be transformed. That is, the sheet 01'
is bent by arranging the meandering peaks 5 of the forward deformation and the meandering valleys 4 of the pullback deformation alternately in the width direction of the sheet 01' through the meandering bending part 6. Each internal tension vector in the in-plane flow direction of the sheet 01- to the sheet 1 causes the drop in the width direction distribution of the sheet hoi' to become significantly large, and as a result, the sheet 01 in the process of corrugating
The shear stress generated at and around the meandering curved portion 6 of the corrugated row 1 of = causes tearing failure of the sheet, and furthermore, the shear stress generated in the serpentine bending portion 6 of the corrugated row 1 of There was a drawback that the sheet was prone to play wrinkles.

More specifically, as shown in FIG. 1, the reinforced corrugated sheet 01 has a corrugated shape condition of H/L>0.35, D/L>0.5°D/N.
> 0.2, the difference in the above-mentioned internal tension distributions becomes extremely large, and the corrugate row 1 in the process of bending becomes
An extremely large shearing stress is concentrated at the curved portion 6 and its surrounding area, and as a result, stress damage is forced around the curved portion, especially for materials with low tensile strength, thin materials, or pre-humidified paper, etc. It was considered impossible to process the corrugated sheet 02 made of the material into the reinforced corrugated sheet 01.

Due to the above-mentioned drawbacks, it has been pointed out that it is practically difficult to operate the corrugating roller at high speed, and that high productivity cannot be obtained in manufacturing the reinforced corrugated sheet 01.

(Problems to be solved by the invention) The present invention has been made in view of the above problems.
The purpose is to create a corrugated sheet perpendicular to the flow direction.
According to the present invention, the sheet widthwise distribution of each tension in the in-plane flow direction of the sheet is flattened in advance as much as possible, and then the sheet is fed to a corrugating roller to obtain a reinforced corrugated sheet. The manufacturing method suppresses the occurrence of severe stress such as shearing and tensile stress in each part of the corrugate rows of the reinforced corrugated sheet that is being fed to the corrugating rollers and is being formed, thereby preventing various types of cracking and damage within the sheet surface. The goal is to prevent this from happening.

Therefore, the corrugated shape is H/L > 0.35.

A reinforced corrugate sheet that satisfies the relatively deep bending conditions of D/L > 0.5.0/N > 0.2 can completely avoid the above damage during the bending process, and has a relatively low tensile strength. Corrugate formation can be achieved reliably and stably without causing any breakage or damage to thin or thin sheets, moistened valve seats, etc.

As a result, high-yield products are produced at high speeds,
High productivity and significant reduction in manufacturing costs have been realized, and each of the above (
An object of the present invention is to provide a method for manufacturing a reinforced corrugate sheet that makes it possible to solve the above problems.

(Means for Solving the Problems) In order to achieve the above object, according to the method for manufacturing a reinforced corrugated sheet of the present invention, a corrugated sheet made perpendicular to the flow direction is preliminarily formed in the in-plane flow direction. After each tension distribution is flattened as much as possible in the width direction of the sheet, the sheet is fed to a corrugating roller to obtain a reinforced corrugated sheet.

Preferably, the corrugated sheet is provided in advance in the vicinity of each portion of the reinforced corrugated sheet corresponding to the center of each kettle in the meandering shape of the corrugated rows in the sheet surface in a direction perpendicular to the width direction of the corrugated sheet. After being applied with a tensile external force in advance, the material is supplied to the corrugating row.

Preferably, the corrugated sheet is preliminarily applied with a compressive external force in a direction perpendicular to the width direction of the corrugated sheet in the vicinity of each portion corresponding to the center axis of each ridge of the meandering shape within the sheet surface. After that, it is supplied to the corrugating rollers.

Preferably, the corrugated sheet is pulled back and deformed in the direction opposite to the flow at a linear portion corresponding to the center axis of the meandering pot and a band-like portion around the same, or corresponding to the center axis of the mountain of the meandering shape. The linear portion and its surrounding band-like portion are subjected to forward deformation in the machine direction, or are subjected to both the above-mentioned pullback and forward movement at the same time, and then are supplied to the corrugating rollers.

Preferably, the corrugated sheet is formed by rollers or stationary members disposed in advance in close contact with and in the vicinity of a portion corresponding to the meandering mountain, the cauldron center, or the rain center within the plane of the sheet. , the external force is applied and supplied to the corrugating roller.

Note that the corrugated sheet according to the present invention is a general term for sheets characterized by forming multi-stage rows of wavy folds in the width direction, which are basically perpendicular to the flow direction. The cross-sectional shape in the width direction of the wavy bending row is a continuous curved waveform, a discontinuous curved waveform, a zigzag linear waveform, and other curved waveforms.

There are waveforms that are combinations of various curves and various bent straight lines, intermittent combinations of horizontal straight lines in the sheet surface and each of the above waveforms, and the waveform period of the wavy bending rows is similar to that of the corrugated rows in reinforced corrugated sheets. There are some that are formed as an integer ratio with the meandering period in the width direction, and others that are formed as a non-integer ratio. There are those that are formed unevenly, all of which are effective in the manufacturing method of the present invention, and there are those that are appropriately combined with the various wavy bent rows described above, and there are also those that are formed unevenly, and there are also those that are formed unevenly. All of these methods are easily conceived and are effective in the manufacturing method of the present invention.

The corrugated sheet formed as described above is
The reinforced corrugate sheet is fed to the corrugating rollers and is finally bent and formed. During the formation process, the corrugate rows undergo forward deformation near the serpentine peaks and pullback deformation near the troughs. It is effective in promoting formation reliably and stably. That is, it has the role of suppressing and preventing shear damage that is likely to occur near the meandering curved portion of the corrugate row and tensile damage that is likely to occur at the top and bottom of the meander.

In addition, in the present invention, the flattening of each tension distribution as much as possible means that when the corrugated sheet is supplied and a reinforced corrugate sheet is formed by a corrugating roller, the reinforced corrugate sheet is in the corrugate forming process. On the inner surface of the sheet and the corrugated sheet before formation, each internal tension vector generated in each part and vicinity corresponding to the center axis of each serpentine mountain of the corrugated row, each center axis of each pot, and each center axis. However, with the conventional manufacturing method, the difference between the maximum and minimum values is large, resulting in an uneven distribution with a severe wavy drop in the width direction of the sheet. The non-uniform distribution of tension reduces the mutual deviation of each tension, and approaches as much as possible a quasi-uniform distribution with a wavy head in the sheet width direction or a uniform distribution with no wavy head at all. It is a general term for the principle of action and its method.

First, in order to increase the above-mentioned respective tensions in the vicinity of each part corresponding to each of the above-mentioned small center axes, the above-mentioned corrugated sheet is placed in the vicinity of each part corresponding to each of the meander-shaped pot centers in its plane. There is a method characterized in that a tensile external force is applied in a direction perpendicular to the width direction, and then the corrugated sheet is A compressive external force is applied in the direction perpendicular to the sheet width direction in the vicinity of each portion corresponding to the center axis of the meandering shape in its plane, or each linear portion corresponding to the center axis of the meandering shape and its There is a method characterized in that the tensile external force in the direction opposite to the flow in the peripheral band-shaped portion is removed, and the method is characterized in that the above-mentioned situation at the center of the pot is eliminated.

The corrugated sheet is characterized in that the tensile external force and the compressive external force are simultaneously applied to each predetermined portion of the corrugated sheet in order to increase and decrease the tension in the vicinity of the portion corresponding to the Yamanaka joint axis. There is a method, and there is also a method characterized in that the external tensile force is applied to each of the predetermined portions, and the external tensile force is simultaneously removed from each of the predetermined portions, and both methods are effective for the present invention.

Separately, in order to increase the tension near each meandering valley of the reinforced corrugated sheet in the process of forming corrugated sheets, the corrugated sheet and the reinforced corrugated sheet in the process of forming In each linear part corresponding to each of the above-mentioned pot center conditions and each surrounding band-like part,
There is a method characterized in that the in-plane flow is caused to undergo pullback deformation in the opposite direction, and then, in order to reduce the tension near each ridge of the serpentine shape of the reinforced corrugated sheet in the process of forming a corrugate, the above-mentioned The corrugated sheet and the reinforced corrugated sheet in the process of being formed are caused to undergo forward deformation in the machine direction in their planes at each linear portion corresponding to the Yamanaka joint axis and each peripheral band portion thereof. There is a method characterized in that, in order to increase the tension near the troughs of the reinforced corrugated sheet in the corrugation forming process and at the same time reduce the tension near the peaks, the corrugated sheet and The reinforced corrugated sheet in the formation process undergoes pull-back deformation in each in-plane flow direction and in the flow direction at each linear portion corresponding to each of the above-mentioned pot center conditions and the winter mountain central axis and each surrounding band-like portion thereof. There are methods characterized by causing forward deformation, and any of these methods are effective in the manufacturing method of the present invention, and furthermore, appropriate combinations of the above-mentioned methods are also effective in the present invention.

In addition, various modifications of the above-mentioned methods can be easily conceived and all are effective for the manufacturing method of the present invention.

In addition, the force elements of the manufacturing apparatus according to the present invention are those that adhere only to the vicinity of the respective portions corresponding to the central axes of the meandering peaks and valleys of the reinforced corrugated sheet on that surface of the flow of the corrugated sheet. By being arranged so that its axis is aligned with the sheet width direction, a tensile external force, a compressive external force, or both of the above external forces are applied to the vicinity of the above-mentioned portion in a direction perpendicular to the sheet width direction. It is a general term for manufacturing equipment that makes it possible to apply force, and its forceps can be roughly divided into rotating body-like types and stationary body-like types.

As for the rotating body, the cross-sectional contour in the circumferential ring direction corresponding to the vicinity of the close contact with the corrugated sheet may be a smooth curve, a discontinuous curve, a bent straight line, or a composite shape of the above various curves and various straight lines. There are corrugated rollers in the form of intermittent constrictions with waveforms having a predetermined period and amplitude, and corrugated rollers in the form of a large number of connected discs arranged at predetermined intervals.

Further, each of the above-mentioned corrugated rollers is formed such that the tangent line of each top in the circumferential ring direction is parallel to the central axis, and others are formed in a curved shape. There are two types: a single type in which the roller is placed in close contact with only one side of the plate sheet, and a two-body type in which the roller is placed in close contact with both sides of the sheet through the sheet. There are types in which the large diameter portion or the small diameter portion are provided with the same phase in the axial direction, and types in which the single corrugated roller is provided as a pair with a cylindrical roller without corrugations. All are effective for the present invention. In addition, there are those in which no brake is applied to the rotation, and the above-mentioned corrugated rollers in which a rotation brake is applied. Further, there are those in which the rotating shaft can be moved parallel to the outside or in-plane direction of the corrugated sheet, and those in which the rotating shaft is completely fixed. Furthermore, the corrugated roller is provided so that the corrugated sheet to be supplied flows perpendicularly to the flow direction at a portion in close contact with the corrugation roller, and the corrugated sheet to be supplied is arranged in a manner that the corrugated sheet is bent in the flow direction. There are the above-mentioned corrugated rollers that are provided in a flowing manner, and all of them are effective in the manufacturing method of the present invention.

As a stationary body, the cross-sectional profile in the axial direction of the side surface corresponding to the area in close contact with the corrugated sheet may be a smooth curve, a discontinuous curve, a bent curve, or a combination of each of the above curves and each bent line. There are plate-shaped stationary bodies, bar-shaped stationary bodies, etc., which have a waveform such as a compound shape, and those which are formed with the tangents of each convex part in the axial direction of the side surface of the waveform stationary body parallel to the axial direction, and those which are formed in a curved shape. There are two types: a single type in which each corrugated stationary body is placed in close contact with only one side of the corrugated sheet, and a two-body type in which each corrugated stationary body is placed in close contact with both sides of the corrugated sheet through the sheet. There is.

Furthermore, the above-mentioned objective waveform stationary body is provided with the convex portions or concave portions having the same phase in the axial direction, and the above-mentioned single waveform stationary body with the convex portions or concave portions having the same phase in the axial direction. There is one in which the body is provided as a pair with a rectangular stationary body having no waveform, and both are effective for the present invention. In addition, there are those whose shafts can be moved in parallel in a direction out of the plane of the corrugated sheet, and those whose shafts are completely fixed, and both are effective in the manufacturing method of the present invention. Furthermore, there are many pressurizers of the present invention obtained by appropriately combining each of the above-mentioned corrugated rollers and each corrugated stationary body, and there are many variations of the above-mentioned rollers and each stationary body that can be easily conceived. Effective for inventions.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a reinforced corrugate sheet 01 obtained by bending according to the manufacturing method according to the present invention, which is a first embodiment, and shows each corrugate row 1.
Top of 2. In the bottom part 3, a bent part meandering in a continuous curve horizontally in the axial direction of the column row is formed. /L, 0,35. The ratio of the amplitude of the meandering shape of the corrugated bar row 1 to the above periodicity, that is, the meandering polymerization rate [)/l>0.5. The ratio of the amplitude of the meandering shape to the period N, that is, the meandering rate D/N>0.2, is all satisfied, or any 2
or any one of the above conditions.
It is formed so as to satisfy the above-mentioned conditions.

Although not shown in the drawings, the present invention also includes a reinforced corrugate sheet in which the meandering shape of the corrugate rows is formed into a discontinuous curve, a bent straight line such as a zigzag line, or a composite line of each of the above curves and each of the above straight lines. Bending processing is possible with this manufacturing method.

The material of the corrugated sheet is paper.

Paper-based composite sheets and synthetic resin sheets.

All material sheets that can be bent and deformed in cold or hot conditions can be effectively applied, such as metal sheets, ceramic sheets, carbon sheets, silk cloth, nonwoven fabrics, and composite sheets of the above-mentioned materials.

FIG. 2 shows a second embodiment of the present invention, and shows a corrugating roller 10 used in the manufacturing method of the present invention. Figure (a) is a cutaway perspective view of the roller 10, figure (b) is a partially exploded side view of the roller 10, and figure (C).
) is an S-8 sectional view of the roller 10.

The pair of corrugating rollers 10 is characterized in that the corrugated groove array 7 is formed in a meandering shape with a continuous curve on the roller circumferential surface and in the roller axial direction, and is preferably provided in multiple stages in the same circumferential direction. is the top portion 8. of the corrugated groove row 7. The meandering shape of the bottom part 9 has a width ratio H/L > 0.35
, meandering polymerization rate D/1 >' 0,5. Meandering rate D/N>
0.2, or any two of the above shape conditions, or any one of the above shape conditions. Although not shown in the drawings, the meandering linear portion of the corrugated groove row 7 may be formed as a discontinuous curve, a bent straight line such as a zigzag straight line, or a composite line of each of the above curves and each of the straight lines. This corrugated processing roller is also effective in the manufacturing method and (manufacturing apparatus) of the present invention.

In FIG. 3, which is a conventional example, a corrugated sheet 02 in which the distribution of internal tensions in the sheet width direction in the sheet flow direction is not flattened is fed to a corrugating roller 10 and formed. All the steps of a conventional manufacturing method for obtaining a reinforced corrugate sheet that is finally formed through the reinforced corrugate sheet 01- in the process are schematically shown. Same figure (a).

(b), (C), and (d') are a plan view, S, -S, sectional view, and 82-82 sectional view of each of the above steps.

It is S3-83 sectional view of the same. Note that the corrugating rollers are omitted in the plan view and are indicated by dotted lines in the cross-sectional view in the flow direction.

The corrugated sheet is supplied to the corrugating roller 10 without any local external force acting on it in the direction perpendicular to the width direction within the sheet plane or without causing any local movement deformation in the same direction. The resulting reinforced corrugated sheet 01' in the forming process is deformed in its corrugate row 1 by forwarding its serpentine peaks 5 in the flow direction of the sheet 01-, while its serpentine troughs 4 are deformed in the opposite direction of the same flow. While being pulled back and deformed in the direction, the bending of the corrugate rows progresses, and finally the reinforced corrugate sheet 01 is formed.

More specifically, the linear mark 1 provided in the width direction of the corrugated sheet 02! In the reinforced corrugated sheet 01' in the forming process, +-+ is a meandering curved landmark line L2
As can be seen from the above, when the corrugated column row is bent, the peaks 5 and valleys 4 are forced to undergo relatively deep movement and deformation in opposite directions through the bending section 6. As a result, in each corrugate row 1 in the forming process, a sudden shearing stress is generated in the inflection part 6 and its surrounding area, which eventually causes tearing failure of the sheet surface 01-.

Also, in the straight corrugated sheet 02 supplied to the processing roller 10 of Korgu 1, the pot center of the meandering valley portion 4 @ 309, the joint shaft 31 of the circumferential ridge portion 5, and the Each internal tension vector T4 is applied to each part corresponding to the neutral axis 32.
, Ts, and Ts occur, resulting in an uneven tension distribution with a severe wave-like drop in the width direction of the sheet 02.

The reinforced corrugate sheet 01-, which is in the process of being formed as described above, was invented in such a way that the shear failure, that is, tear failure, does not occur within its plane. In the third embodiment, a corrugated sheet 02' in which the distribution of internal tensions in the sheet width direction in the sheet flow direction is flattened as much as possible is fed to a corrugating roller 10 and subjected to the forming process. A reinforced corrugated sheet 0
All steps of the manufacturing method according to the present invention are schematically shown to obtain the reinforced corrugated sheet 01 which has been formed through step 1'. Figures 4(a) and (b).

(C) and (d) are plan views of all the above steps, and S+
S+ sectional view, 32-82 sectional view, and 33-83 sectional view, and Fig. 5 (a), (b), (c)
, (d) are a plan view, a S+81 sectional view, a 32-82 sectional view, and an 83-8x sectional view of each of the above steps. Note that the corrugating roller 10 is omitted in the plan view.
In the cross-sectional view in the flow direction, it is indicated by a dotted line.

Although not shown, a conventional corrugated sheet 02 shown in FIG. By applying an external tensile force in the direction opposite to the sheet flow at a close distance, the corrugated sheet 02' shown in FIG. 4 and the reinforced corrugated sheet 01' in the process of being formed are The internal tension vector T4- in the flow direction near the portion corresponding to the total central axis 30 in the corrugated sheet 02 on which the tensile force cannot be applied and the reinforced corrugated sheet 01 in the process of being formed are shown in FIG. Since the internal tension vector T4 in the machine direction is increased from the internal tension vector T4 in the machine direction, the widthwise distribution of the internal tension in the machine direction within the sheet plane can be made even more flat, as shown in FIG.

As a result, in the reinforced corrugate sheet 01-, when the valley portions 4 and peak portions 5 of the corrugate row 1 in the forming process are subjected to relatively deep deformation movement in opposite directions via the inflection portions 6, Since the shearing stress can be reduced, shear failure near the bending part 6, that is, tearing failure of the sheet 01- can be suppressed and prevented, and at the same time, play wrinkles in the flow direction near the valley part 4 of the corrugated row 1 can be suppressed. suppress the occurrence of
It has the effect of preventing In addition, as described above, the internal tension is made as flat as possible, and within the sheet surface.

The linear mark ML on the corrugated sheet 02', which is supplied without causing the meandering shape to locally deform and move in the width direction, is the final meandering curved mark line on the reinforced corrugate sheet 01. As is clear from the smooth and rapid deformation to L2, it is possible to reliably and stably bend the corrugate rows 1 on the reinforced corrugate sheet 01.

The corrugated sheet 02 shown in FIGS. 5(a) and 5(b) is
Although not shown, the flow of the sheet 02 is reversed at the closest possible distance to the corrugating roller 10 in the vicinity of each part on the sheet 02 corresponding to each of the central axes 30 of the meandering shape. At the same time, a relatively large tensile external force in the direction is applied, and at the same time, near each part on the sheet 02 corresponding to the center axis 31 of each serpentine mountain, at the closest possible distance to the corrugating roller 10. By applying a relatively large compressive external force in the flow direction of the sheet 02, a corrugated sheet 02° with a flattened internal tension distribution shown in FIG. 5 is obtained, and the sheet 02 ” is the internal tension vector T4 in the flow direction near the top in its sheet o2n corresponding to the total central axis 30.
At the same time, the internal tension vector T5'' in the flow direction near each part on the sheet 02'' corresponding to the mountain center axis 31 is This is significantly reduced compared to the internal tension vector T5 in the flow direction in FIG.

Furthermore, at the same time, a relatively small pullback deformation in the opposite flow direction is caused in the linear region on the sheet 02'' corresponding to the entire central axis 30 and the peripheral band region thereof,
By causing relatively small advance deformation in the flow direction in the upper linear portion of the sheet 02'' corresponding to the central axis 31 of the mountain and its surrounding band-like portion, the corrugated sheet 02'' After being formed by flattening the widthwise distribution of internal tension in the flow direction, the corrugating roller 10
be supplied to As a result, in the reinforced corrugate sheet 01- which is in the process of being formed, the troughs 4 and peaks 5 of the corrugate rows 1 which are being formed undergo relatively deep deformation movement in opposite directions via the inflection portions 6. Since the shear stress can be reduced when the bending part 6 is brought about, shear failure, that is, tear failure in the vicinity of the bending part 6 can be suppressed and prevented, and at the same time,
This has the effect of suppressing and preventing the occurrence of play wrinkles in the flow direction near the troughs 4 of the corrugated rows 1. Further, since the internal tension of the corrugated sheet 02 is flattened, the sheet o2 is deformed in advance and pulled back in the in-plane flow direction and in the opposite flow direction, thereby supplying the corrugated sheet 02°. . The reinforced corrugated sheet 01 is further bent by the corrugating rollers 10, and in the entire process, a meandering curve with a relatively shallow fold width is formed on the sheet 02'' from the linear mark line L1 on the sheet 02. As is clear from the smooth and rapid deformation of the marking lines L and - to the meandering curved marking line L2 with a relatively deep width on the sheet 02, the corrugated row 1 can be folded reliably and quickly. This makes it possible to form a curve, which is effective for the present invention.

The fifth to twelfth embodiments shown in FIGS. 6 to 13 are as follows:
Various devices 1 consisting of a corrugating roller and various forcers arranged as close as possible to the upstream position thereof
Various main manufacturing devices according to the present invention are characterized in that the equipment bends a corrugated sheet to obtain a reinforced corrugated sheet. Each figure (a) of the above-mentioned fifth to 12th embodiments is a perspective view of the above-mentioned main manufacturing process, and each figure (b) is a perspective view of the above-mentioned main manufacturing process.
is a plan view of the above main manufacturing process. The same figures (C) and (d).

([3) is a cross-sectional view of the width direction part, and each figure (f> is a cross-sectional view of the flow direction. In each of the embodiments shown in FIGS. 6 to 13 above, the corrugating roller 10 has an opposite cylindrical shape. Although it is shown as a roller, its shape is almost the same as the corrugating roller of the second embodiment.

The fifth embodiment shown in FIG.
It is characterized in that the corrugated sheet 02 is fed by the action of the corrugated sheet 02 to obtain the reinforced corrugated sheet 01.

More specifically, the corrugated sheet 02 is attached to the corrugated roller 20.
The braking effect of the pair of corrugated rollers 20 applies a tensile external force in the flow direction of the sheet 02 to a portion of the sheet 02 corresponding to the meandering pot center 30 of the reinforced corrugated sheet 01 and its vicinity. As a result, the corrugated sheet 02'', which has been made to have a gentle waveform in the cross section in the width direction of the above-mentioned sheet 02 and to have a more even internal tension distribution in the machine direction, is suitable for corrugating. By being supplied to the rollers 10, the reinforced corrugated sheet 01', which is in the process of forming a corrugate, is prevented from being torn and damaged during the bending process, and at the same time, the generation of play wrinkles in the flow direction during the bending process is prevented. , and the final reinforced corrugated sheet is folded reliably and at high speed.

Further, the paired corrugated rollers 20 are preferably in the form of a two-axis disk connected body arranged and fixed at a constant interval, and each of the pair of disks is arranged in a circumferential direction. The object of the present invention is to provide a force force element characterized in that the circumferential surfaces of the forceps are brought into close contact with the corrugated sheet 02 without periodic deviation, the shaft is fixed, and the rotation of the shaft is braked. Although not shown in the drawings, there is a forcer according to the present invention in which the single corrugated roller 20- in the form of a connected disc body and the single cylindrical roller 18 are arranged as a pair, which is the same as in the fifth embodiment. The effect of this can be obtained.

In the sixth embodiment shown in FIG. 7, a corrugated sheet 02 is supplied by the action of a corrugating roller 10 and an opposing corrugated roller 21 disposed at a predetermined position upstream thereof. It is characterized by being able to obtain More specifically, the corrugated sheet 02 is supplied to the corrugated roller 21, and the corrugated sheet 02 is applied to the region on both sides of the corrugated sheet 02 corresponding to the meandering central axis 30 of the reinforced corrugated sheet o1 and its vicinity. After the roller 21 is kept in close contact with the sheet 02 for a day, the roller 21 flows on both sides of the sheet 02 without slipping upwardly and is moved in parallel in the opposite direction when the rotation is stopped.
Since a tensile external force in the opposite direction of the flow is applied to the vicinity of the above-mentioned portion on the corrugated sheet o2, the waveform of the cross-section in the width direction of the corrugated sheet o2 is made to be extremely gentle, and the internal tension in the flow direction is By feeding the corrugated sheet 02-, which has a more flat width distribution, to the corrugating roller 10, the reinforced corrugated sheet 01=, which is in the process of forming a corrugate, is prevented from tearing and breaking during bending. At the same time, it is possible to prevent play wrinkles from occurring in the flow direction, and the final reinforced corrugate sheet 01 can be folded and formed reliably and at high speed.

Further, the pair of corrugated rollers 21 are arranged and fixed at a predetermined interval in the form of a two-axis disk connected body, and each of the pair of corrugated rollers 21 has a circumferential direction. The phases of VI! are alternately provided in the same phase without shifting in the axial direction, and the VI! After being dressed, the objective corrugated roller 21 indicated by the dotted line in the figure
Once the shaft rotation is stopped, the shaft is moved parallel to the shaft in the direction opposite to the in-plane flow without skidding on the surface of the sheet 02 to the predetermined position of the roller 21 indicated by the solid line in the figure, and then the shaft rotation is stopped. This force element is characterized in that it starts its predetermined action when it is released. Preferably, the disc peripheral surface 60 is provided with various protrusions, depressions, or grooves, or the disc peripheral surface 60 is made of various elastic materials, or composites or mixtures of these various elastic materials and other materials. , is formed from a compound material.

Although not shown, a pair of the above-mentioned single corrugated roller in the form of a connected disk and a single cylindrical roller can also provide the same effect as the sixth embodiment and is effective in the present invention. .

The seventh embodiment shown in FIG. 8 includes a corrugating roller 10 and an opposing roller 21-. 18, the corrugated sheet 02 is fed and the reinforced corrugated sheet 01 is obtained. More specifically, the corrugated sheet 02 is the roller 21'.

18, and once the opposing rollers 21-, 18 are brought into close contact with the portions on both sides of the corrugated sheet 020 corresponding to the meandering peak center axis 31 of the reinforced corrugated sheet 01 and their vicinity, After the sheet 02 is moved in parallel in the flow direction without upward slip on the surface of the sheet 02 while the rotation is stopped, the rotation stop is released, so that a part of the corrugated sheet 02 to be supplied is moved in the flow direction. Since compressive external force is applied, the corrugated sheet 02
By supplying the corrugated sheet 02'', which has a waveform in the cross section in the width direction that is extremely gentle and has a flattened distribution of internal tension in the machine direction in the width direction, to the corrugating roller 10. , the reinforced corrugate sheet 01' in the corrugate forming process is prevented from being torn and damaged during bending and formation, and at the same time, the generation of play wrinkles in the flow direction is prevented, and the final reinforced corrugate sheet 01 is ensured. And it can be bent and formed at high speed.

Further, the pair of opposing rollers 21-118 are
After the single corrugated roller 21- in the form of a uniaxial disk-like connected body and the single cylindrical roller 18 are made into a pair and are brought into close contact with each other through the corrugated sheet 02, they are moved to the position indicated by the dotted line in the figure. The object row 521-. 18 temporarily stops its axial rotation and is fixed, and directs it toward the predetermined position of the opposing row 521- and 18 indicated by the solid line in the figure, in the in-plane flow direction without sliding upward on the surface of the sheet 02. The force element is characterized in that it starts its original function by canceling the shaft rotation stop after being caused to move in parallel with the axis. Further, desirably, the disk peripheral surface portion 6
0 are provided with various protrusions, depressions, or grooves, or the disk circumferential surface portion 60 is formed of various elastic materials, or composites, mixtures, or combinations of these elastic materials and other materials. Although not shown, the opposing roller 21-
．． In place of 18, a pair of two-axis disc-like coupled corrugated rows 52 are provided.
1 is also effective for the present invention, as it provides the same effects as the seventh embodiment.

In the eighth embodiment shown in FIG. 9, a corrugated sheet is supplied by the functions of a corrugating roller 10, and a corrugating roller 20 and a corrugating roller 21 disposed at predetermined positions upstream of the corrugating roller 10. 02 is bent to obtain a reinforced corrugate sheet 01. More specifically, the corrugated sheet 02 is supplied to the pair of rollers 20, and the rollers 20 are once stopped to rotate, and then the corrugated sheet 02 corresponding to the meandering row center information 30 of the reinforced corrugated sheet 01 is produced. At the same time, the respective disc circumferential surfaces 60 are brought into close contact with each of the upper parts and their respective parts without upward slipping, and at the same time, the rollers 21 shown in dotted lines are placed downstream at predetermined positions.
is once stopped rotating, and the center axis 31 of each mountain in the meandering shape is rotated.
After each disc circumferential surface portion 60 is firmly brought into close contact with each portion of the corrugated sheet 02 corresponding to the corrugated sheet 02 and its vicinity, the roller 21 slides upwardly on the sheet 02 while its rotation is stopped. By being moved in parallel in the axial direction to the predetermined position shown by the solid line without any movement, a tensile external force in the opposite flow direction is applied to the vicinity of each part on the corrugated sheet 02 corresponding to the meandering row center information 30. That is, the vicinity of each of the above-mentioned parts is pulled back and deformed in the opposite direction of the flow, and at the same time, a compressive external force in the flow direction is applied to the vicinity of each part of the corrugated sheet 02 corresponding to the central axis 31 of each ridge, i.e. A corrugated sheet 02'' is obtained in which the vicinity of the above portion is forward-deformed in the machine direction to flatten each internal tension in the machine direction as much as possible in the width direction. 20 and 21 are both released from the axis rotation stop and rotated at the same speed without upward slipping on the sheet 02-, so that the corrugated sheet 02'' has a cross-sectional shape in the width direction than that of the sheet 02. The reinforced corrugate sheet 01 is supplied with a gentle and gentle waveform, that is, the internal stress is flattened as much as possible, and as a result, the reinforced corrugate sheet 01 is in the process of being bent in the corrugating roller 10.
'In the inflection part 6 of the corrugated column 1 and its surroundings,
Since the shearing stress is reduced and tearing damage is prevented, each corrugate row 1 can be bent reliably and at high speed, and the final reinforced corrugate sheet 01 can be obtained, which is effective in the present invention.

The roller 20 is a fixed-shaft type isotopic corrugated roller, which has a pair of disc-shaped connected rollers arranged and fixed at a constant interval, and the upper and lower discs are arranged in the arrangement period. The force generator is characterized in that there is no misalignment, that is, the rollers are arranged in the same phase, and both rollers have their rotational axes fixed in principle. It is a corrugated roller, and the roller 2 above is
This is a force generator which has almost the same shape and arrangement position as 0, but is characterized in that the axis of rotation is movable in parallel.

Further, it is also effective in the manufacturing method of the present invention to replace the disc-connected idle roller with an intermittent constricted roller whose axial curved cross-sectional shape is a waveform with a predetermined period.
．． It is also effective in the present invention even if the pair of rollers 21 is replaced with a cylindrical roller.

In the ninth embodiment shown in FIG. 10, a supplied corrugated sheet 02 is bent by the action of a corrugating roller 10 and a car body corrugating roller 20- disposed at a predetermined position upstream thereof. The corrugated sheet 02 is strengthened by being curved to a predetermined curvature along the circumferential direction of the circumferential surface of one of the rollers.]Meandering of the corrugated sheet 01 By bringing each disc circumferential surface portion 60 of the single roller 20 into close contact with each region on the corrugated sheet 02 corresponding to the row center information 30 of the shape and its vicinity, a tension in the opposite direction of the flow is applied to the vicinity of the region. At the same time as the external force is applied, each linear portion on the corrugated sheet 02 corresponding to the center axis 31 of each serpentine ridge and its surrounding band-like portion starts near each disk connecting portion 61 of the roller 20'. As a result, a predetermined play length is created in the flow direction, and as a result, the cross-sectional waveform in the width direction is made much gentler than that of the corrugated sheet 02, and the widthwise distribution of internal tension in the flow direction is flattened. The reinforced corrugated sheet 02'' is fed by the roller 20-, and as a result, the corrugated sheet 01-, which is in the process of being bent, is fed by the roller 20-.
Since the shearing stress at the bending part 6 of the corrugate row 1 and its surroundings is reduced and tearing damage is prevented, each corrugate row 1 is bent reliably and at high speed, and the final reinforced corrugate is formed. Sheet 01 was obtained and is effective in the present invention.

The above-mentioned roller 20- is a single corrugated roller of a fixed shaft type, and is a single-shaft corrugated roller arranged and fixed at a predetermined interval and shaped like a coaxial disk connected body. The force generator is characterized in that the axis is fixed without parallel movement, and it is also effective in the present invention even if the above-mentioned disk-connected corrugated roller is replaced with an intermittent constricted corrugated roller. . Furthermore, although not shown, the corrugated sheet 02, which is supplied to the corrugating roller 10 after passing through a plurality of curved portions or bent portions, has a plurality of The above single corrugated roller 20”
The present invention provides a manufacturing method characterized in that a corrugated sheet 02- is obtained which is supplied in close contact with each region of the sheet 02 corresponding to each row center information 30 to flatten the internal tension. It is effective for

In the tenth embodiment shown in FIG. 11, the supplied corrugated sheet 02 is bent by the action of a corrugating roller 10 and a corrugating roller 22 disposed at a predetermined position upstream thereof. Reinforced corrugated sheet 01
More specifically, the corrugated sheet 02 is supplied to the roller 22 and curved to a predetermined curvature in the circumferential direction of one of the pair of rollers 22. At the same time, each disc circumferential surface portion 60 of one of the rollers 22 is brought into close contact with each part of the corrugated sheet 02 corresponding to each meandering row center line 30 of the reinforced corrugated sheet 01 and its vicinity, and at the same time, the same meandering shape each mountain center axis 31
By bringing each portion of the corrugated sheet 02 corresponding to each portion of the corrugated sheet 02 into close contact with each peripheral surface portion of the disc of one of the rollers 22 in the vicinity thereof, each portion of the corrugated sheet 02 corresponding to each row center information 30 is brought into close contact. At the same time, a tensile external force in the opposite direction of the flow is applied to the vicinity, and at the same time, play length in the flow direction is generated in the vicinity of each part corresponding to the central axis 31 of the same winter mountain, so that the cross-sectional corrugation in the width direction of the corrugated sheet is A corrugated sheet 02 in which the widthwise distribution of internal tensions in the flow direction is flattened.
'' is supplied, and as a result, the reinforced corrugated sheet 01' is in the process of being bent on the corrugating roller 10.
In order to reduce the shear stress at the bending part 6 of the corrugate row 1 and its surroundings and prevent tearing damage, each corrugate row 1 is bent reliably and at high speed, and the final shape is It is possible to provide a manufacturing apparatus according to the present invention that is effective in obtaining the reinforced corrugate sheet 01.

Book 9th fruit! Example i is a modification of the eighth embodiment, that is, by replacing the single corrugated roller 20- with the opposing corrugated roller 22, the flow is reduced in the vicinity of each part on the corrugated sheet 02 corresponding to the central axis of each mountain. It is possible to generate and increase the play length in the direction more stably, and the bending formation of the corrugate row 1 can be achieved more reliably and at high speed.

The pair roller 22 is a wave-shaped roller with a fixed shaft and a parallel displacement type, and has a shape of a connected disc body.
Each disc of the shaft has a phase shift with an alignment shift of half a period from the top and bottom, and preferably, one roller of the pair of rollers 22 is movable in the axial direction. Although not shown, it is also effective for the present invention to replace the above-mentioned disk-shaped corrugated roller with an intermittent constricted corrugated roller.

In the eleventh embodiment shown in FIG. 12, a corrugated sheet 0 is supplied by the action of a corrugating roller 10 and a rod-shaped corrugated stationary body 24 disposed at a predetermined position upstream thereof.
2 is bent to obtain a reinforced corrugate sheet 01. More specifically, the corrugated sheet 02 is supplied to the rod-shaped corrugated stationary material 24, and a predetermined shape is formed along the side surface of the stationary body 24. Each convex portion 60 of the stationary body 24 is curved or bent at an angle to each portion on the corrugated sheet 02 corresponding to each meandering row center line 30 of the reinforced corrugated sheet 01 and its vicinity. By bringing the corrugated sheet 02 into close contact with each other, a tensile external force in the opposite direction of the flow is applied to the vicinity of each portion of the corrugated sheet 02 corresponding to each row center axis 30, and at the same time, a tensile force in the opposite flow direction is applied to each portion of the corrugated sheet 02 corresponding to each row center axis 30. Each linear portion of the corrugated sheet 02 and its peripheral band portion are made to generate a predetermined play length in the flow direction starting from the vicinity of each concave portion 61 of the stationary member 24, and A corrugated sheet 02 is supplied whose cross-sectional waveform in the width direction is made gentle, that is, the widthwise distribution of internal tension in the machine direction is flattened, and as a result,] for corrugate processing. Since the bending 16 of the corrugate rows 1 of the reinforced corrugate sheet 0'M in the process of bending at the roller 0 and the shear stress in the surrounding area are reduced and tearing damage is prevented, each corrugate row 1 is securely fixed. And the final reinforced corrugate sheet 01 is formed by bending at high speed.
is obtained and is effective for the present invention.

The stationary body 25 is a single rod-shaped stationary material with a corrugated shape, and the axial cross section of the side surface near the contact surface with the corrugated sheet 02 is formed as a waveform with a predetermined period and amplitude. Although not shown in the drawings, in addition to this, there are side surface corrugations that face each other and are offset by approximately half a turn +uJ and have the above-mentioned predetermined shape, and are arranged as a pair with a predetermined interval maintained. There is a stationary bar-like material to be installed, and a flat plate having its axis in the width direction of the corrugated sheet 02 and having wavy grooves in multiple steps in the width direction and perpendicular to the flow direction, is provided at right angles to the wavy grooves. There is a curved plate-shaped single wave stationary material which is curved in the direction, and has the same function as the rod-shaped single wave stationary material and is effective in the present invention, and furthermore,
A pair of corrugated stationary members curved in the same direction are arranged through a corrugated sheet 02 so that the wave grooves on each stationary body are shifted by a half period from each other and are kept at a predetermined interval. There are curved plate-shaped single wave stationary materials, all of which are effective as forceps according to the present invention, and other modifications of these can be easily conceived, and any of them are effective as forceps of the present invention. .

In the twelfth embodiment shown in FIG. 13, a supplied flat sheet 03 is corrugated by the action of a corrugating roller 1o and an opposing corrugating roller 23 disposed at a predetermined position upstream thereof. After being bent and formed, it is bent into a corrugated shape to obtain a reinforced corrugated sheet 01. More specifically, the flat sheet 03 is supplied to the roller 23, and one of the rollers is A corrugated sheet 03-" which is curved or bent at a predetermined angle along the circumferential surface and is in the process of forming a wavy bend facing each meandering row center axis 30 and each mountain center axis 31 of the reinforced corrugate sheet 01. The flat sheet 03 is bent into a corrugated shape by bringing the large diameter portions of the opposing corrugated row 23 into close contact with the vicinity of each portion of the corrugated sheet 02, and furthermore, Objective corrugated roller 2
3 so that both axial tangents of the circumferential surfaces of the large diameter portions of both rollers or the axial image tangents of the circumferential surfaces of the large diameter portion of the roller and the small diameter portion of the other roller are substantially parallel to each other. formed,
In addition, since both tangents are curved out of the plane in the width direction of the corrugated sheet 02, the formation process centering on the opposed corrugated roller 23 that occurs when the corrugated sheet is bent is prevented. A certain corrugated sheet 02'' and the formed corrugated sheet 02' are characterized in that the width direction gradient distribution of the internal tension in the flow direction and the opposite direction are flattened in the width direction, and the opposing roller The corrugated sheet 03-, which is being formed and supplied to the roller 23, is curved or bent in the circumferential direction of the circumferential surface of the roller 23 to form a corrugated sheet corresponding to the meandering row center information 30 of the reinforced corrugated sheet 01. For each part of sheet 03- and its vicinity, the sheet 03'
One of the rollers 23, which is curved convexly out of the plane in the width direction, is brought into close contact with the circumferential surface of each of its large diameter portions 60, so that an external tensile force in the opposite direction of the flow is applied to the vicinity of each portion, and at the same time, the meandering For each part of the corrugated sheet 03'' corresponding to the central axis 31 of each mountain of the shape and its vicinity, the sheet 03 is
'One of the rollers 23, which is curved concavely out of the plane in the width direction, is brought into close contact with the circumferential surface of each of its large diameter portions 60, thereby generating play length in the flow direction starting from the vicinity of each of the above-mentioned portions, Therefore, the corrugated sheet 02'' obtained by flattening the widthwise distribution of the internal tension in the flow direction is supplied to the corrugating roller 10, and as a result, the corrugated sheet 02'' of the reinforced corrugated sheet 01- which is in the process of being formed is The shearing stress at the bending part 6 of the column row 1 and its surroundings is reduced, and damage is subsequently prevented, and each corrugate column 1 is folded reliably and at high speed, resulting in the final reinforced corrugate sheet 01. obtained and effective for the present invention.

The twelfth embodiment is a modification of the tenth embodiment, that is, the light body corrugated roller 22 of the present invention is modified, and the force roller, the corrugated sheet bending roller, and the slope distribution of internal tension are flattened. The lamp corrugated roller 23 of the present invention, which can also function as a corrugating roller at the same time, is intended to be featured, and as a result, the manufacturing apparatus for the reinforced corrugated sheet 01 can be made compact. In addition, we were able to significantly reduce related costs. Although not shown in the drawings, the light body corrugated roller 23 has a tangent line to the circumferential surface of the large diameter portion 60 in the axial direction parallel to the surface of the sheet 02''. It is effective in the present invention if it also functions as a bending roller at the same time.

The light body corrugated roller 23 is preferably a curved type fixed axis type or an axis parallel moving type misaligned body corrugated roller,
The large diameter parts of both shafts, which have an intermittent and gentle constricted peripheral surface in the axial direction, are arranged in a phase shift having a half-period misalignment with respect to each other, and in principle, one roller can move parallel to the axis. It is a force element characterized by the following.

In addition, the lamp rod-shaped or plate-shaped static material shown in the eleventh embodiment of FIG. The one formed as a curved line out of the plane has the function of the above-mentioned force, and at the same time, the flat sheet 03 that is supplied
A corrugated sheet 02 which has the function of bending into a corrugated sheet 02, and also flattens the gradient distribution in the sheet width direction of the internal tension generated in the sheet flow direction during the processing.
,02=,02'', and is effective in the present invention.

Although not shown in the drawings, each forcer disposed in each embodiment of the manufacturing apparatus according to the present invention is attached thereto.

In a manufacturing process in which a plurality of stages are appropriately provided on the downstream corrugated sheet 02.02- in the flow direction, the predetermined total image of various external forces to be applied to the sheet 02.02- is formed in multiple stages. Since the stressors are distributed over a plurality of locations, the width stress generated within the sheet surface does not increase rapidly, and as a result, various corrugated sheet
3,02゜0: l", 02" is various stress fractures in-plane and out-of-plane.

It is effective for the invention because it prevents damage.

Although not shown, a new manufacturing process in which forcers arranged in each embodiment of the manufacturing process according to the present invention are appropriately combined is also effective for the present invention, and an example thereof As for the single row 520 in the ninth embodiment of FIG.
- and an eighth corrugating roller 10,
A pair of rollers 21- and 18 in the seventh embodiment of the figure
The manufacturing apparatus in which the rollers 20=, 21-, . Each external force exerted by 9th. It is more dispersed than that of the seventh embodiment, and the sheet 0 against the external force.
2-. 02 Keoru Yamanaka Gojiku 31. Since predetermined forward deformations and pullback deformations can be easily achieved in the vicinity of the region corresponding to the valley center axis 30, various stress fractures can be achieved on the sheet 02'.

This invention is effective in preventing the same damage.

Other modifications of the above embodiments can be easily conceived and are effective in the manufacturing method according to the present invention.

13. shown in FIG. 14th. In the fifteenth embodiment, the shape of the disc circumferential surface portion 60 of the light body corrugated roller 20 of the force element according to the present invention is shown, and FIG.
A perspective view of 0, same figure (b).

(b->+ (c), (c-) (d) are elevation views of the above disk, and the same figures (e) and (f)
, ((+) is each 81 81, 82 of the above disk
S2. S3. S3 is a partial sectional view in the radial direction. The same figure (a
), (b).

(The roller 20 shown in bi is the thirteenth embodiment,
Grooves 50a, 50a' having curved tops or bottoms in the circumferential direction of the disk are formed in multiple stages in the circumferential direction, and the grooves 50a, 5 of each pair of upper and lower disks are
0a' are mutually phase-shifted in a gear-like manner, that is, formed in a male-to-female shape, and preferably, the cross sections of the paired upper and lower disks in the circumferential ring direction are each convexly curved and concavely curved. The roller 20 shown in Figures (c) and (c') is a fourteenth embodiment, and has a groove 50b having a top or bottom bent in the circumferential direction of the circumferential surface of a disc.

50b - are formed in multiple stages in the circumferential direction, and the grooves 50b and 5Qb''' of each of the paired upper and lower disks.
are formed in a gear-like manner with a phase shift from each other, and preferably, the cross sections of the upper and lower disks in the circumferential ring direction are bent into convex and concave curves, as shown in the figure. (d
) is a 15th embodiment of the roller 20, in which grooves 50c extending directly in the axial direction of the circumferential surface of the disk are formed in multiple stages in the circumferential direction, and each of the upper and lower disks forming a pair has grooves 50c extending in the axial direction. A feature is that the grooves 50C are formed and arranged with a phase shift so that the grooves mesh with each other like gears.

The opposed corrugated roller 20, on which the grooves 5Qa, 50a, 50b, 50b' or 50c are formed on the peripheral surface 60, is connected to the corrugated sheets 02, 02.
By closely contacting the sheet 0 and rotating the axis, the width direction meandering bend 43 having a relatively shallow amplitude is formed in a meandering or bent shape in the sheet width direction.
2'', 02 is effectively prevented from slipping upwards, and at the same time, the rollers 20 apply a compressive external force in the flow direction and a tensile external force in the opposite flow direction to the corrugated sheets 02, 02=. The above-mentioned sheet 02.0 corresponding to the serpentine winter mountain center axis 31 and each valley center axis 30
Each predetermined advance deformation 41. It is effective because the pullback deformation 42 is sufficiently and stably formed by a relatively small external force, avoiding unnecessary residual stress, and as a result, the corrugated sheet 02' absorbs the internal tension in the flow direction in the width direction. The reinforced corrugated sheet 01' can be completely flattened and completely prevented from being damaged by shear stress during the forming process.

Note that the grooves provided on the roller peripheral surface 60 are a general term for various uneven shapes, and in addition to the grooves 50a, 50b, and 50C, there are various types of protrusions, depressions, and independent types having ridge lines in directions other than those described above. There are many types such as embossing, various gentle wavy undulations, etc., and suitable combinations and modifications of various grooves are easy to come up with, and all of them are effective in the present invention.

Although the roller 20 is shown as being in the shape of a connected disc, it is also effective to form the grooves in a shape that is intermittently constricted in the axial direction.

Although any material is effective as the material for the circumferential surface of the roller 20, it is preferable to use an elastic material such as rubber or soft plastic, or a hard material such as metal or ceramics.

The 16th to 21st embodiments shown in FIG. 15 are the corrugated sheet sheets 02゜02''', 02'' according to the present invention, which are formed with a wavy bent row 40 perpendicular to the flow direction. It is a partial perspective view, and the same figure (a).

(b) each 16th. In the seventeenth embodiment, each wavy bending column 4
0 has a substantially uniform step repetition rate in the direction perpendicular to the flow direction, that is, in the width direction, and more specifically, each linear portion of the sheet 02 corresponds to the central axis 30 of each meandering valley of the reinforced corrugated sheet 01. or the step repetition rate of the wavy bending row 40 in the band-like region around it, and the wavy bending row 40 in each linear region of the sheet 02 corresponding to the central axis 31 of each serpentine ridge and its peripheral band-like region; It is characterized in that the stage repetition rate per unit width in the width direction is formed so that the stage repetition rate is almost the same as that of the stage repetition rate per unit width in the width direction. The amount of deformation per unit width in the width direction that is forced when the flat sheet T-03 is bent into the reinforced corrugated sheet 01 according to the present invention, that is, it is set to be substantially commensurate with the reduction rate in the width direction. Is Rukoto.

Also, this 16th. In the seventeenth embodiment, each wavy bending row 40 has a period in the width direction of each valley and peak center axis 30.
Although shown in the figure as being formed in sync with the widthwise period of the rows 40 without deviation, the widthwise period of the rows 40 and the valleys are shown in FIG.

The corrugated sheet described above, which is characterized in that it is formed out of synchronization with the period in the width direction of the central axes 30 and 31 of the ridges, is also effective in the manufacturing method and the manufacturing apparatus of the present invention.

In the 18th embodiment shown in FIG. central axis 3
It is characterized by being formed so as to be smaller than the step repetition rate of 4° in the wavy bend rows in each linear portion and its peripheral band portion corresponding to 1.
In the embodiment, the corrugated sheet 02'' is flat at each linear portion corresponding to each pot center axis 30 and its surrounding band-like portion, and at each linear portion corresponding to each mountain center axis 31 and its surrounding band-like portion. , the above-mentioned wavy bending rows 40 are formed, and in each linear portion corresponding to each pot center line 30 to each mountain center axis 31 in the 18th and 19th embodiments and the surrounding band-shaped portions. The stage repetition rate in the width direction of each wavy bending row 40 is determined by using the average value as the reduction rate in the width direction of the reinforced corrugated sheet 01 obtained by bending the flat sheet 03 supplied to the corrugating roller 10. This means that they are substantially equivalent.

18th. The corrugated sheet 02= of the 19th embodiment is supplied to the corrugating roller 10, and each linear portion corresponding to each crest center axis 31 is generated in each internal tension in the flow direction that occurs when corrugated folding is performed. Each of the above-mentioned tensions in the vicinity and surrounding band-shaped parts can be reduced, and the above-mentioned tensions in the vicinity of each linear part and its surrounding band-like parts corresponding to each pot center line 30 can be increased, so that each meander-shaped inflection part This is effective in preventing shear damage when forming bends at and around the troughs 5, and at the same time suppressing play wrinkles in the flow direction around the troughs 5.

No. 20 in (e) and (f) of the same figure. In the 21st embodiment, the corrugated sheet 02'' is formed with a wavy bend row 40 at each linear portion corresponding to each pot center line 30 and its peripheral band portion, and at the same time is pulled back and deformed in the opposite flow direction. A forming portion 41 is provided, and a wavy bending row 40 is formed in each linear portion corresponding to each mountain center axis 31 and its peripheral band portion, and at the same time, a forward deformation forming portion 42 in the flow direction is provided.
Further, a meandering bend 43 in the width direction of the sheet is formed in advance in a serpentine or zigzag shape so as to cross the double-double shape forming portions 41 and 42 of the pulling back and forward feeding. Preferably, the meandering bends 43 in the width direction are made as small as possible along with one period of amplitude in the cross section in the sheet flow direction, and the wavy bend row 40 is preferably made as small as possible in the cross section in the sheet width direction. The amplitude thereof is made as small as possible, and the retracting and advancing deformation forming portions 41, 42 are deformed and moved as deeply as possible in the respective flow directions and in the reverse flow direction.

Although not shown, in addition to this, the corrugated sheet 02″
However, the present invention is characterized in that either the pullback deformation forming part 41 or the forward deformation forming part 42 is formed at the predetermined portion, and the wavy bending row 40 is formed. It is effective for

The widthwise meandering bend 43 may have a continuous curved meandering shape or a zigzag meandering shape, a discontinuous curved shape, various bent curved shapes, or a combination of the discontinuous curved line and the bent curved line. A meandering shape such as a compound linear shape, an intermittent curved curved curved shape, etc. is also effective in the present invention. Various corrugated sheets shown in the above examples 02.02-. 0
2", which can be obtained by appropriately combining their shapes, and which can be obtained by easily deforming the shapes, are effective in the present invention.

In addition, various corrugated sheets 02.02-. 0
2" is formed into a wavy shape in the corrugate folding process, and there is a type in which the 2" is formed into a wavy shape in the papermaking process in advance, and both are effective in the present invention.

(Effects of the Invention) As described above, in the method for manufacturing a reinforced corrugated sheet according to the present invention, a corrugated sheet in which a row of wavy folds perpendicular to the flow direction is formed in advance is supplied to a corrugating roller. The reinforced corrugated sheet, which is in the process of being bent at the top and bottom of each of the rugate rows in a serpentine shape, etc. in the sheet width direction in the sheet width direction, has a distribution of each tension in the sheet width direction. By flattening the sheet as much as possible, the shear stress that is forced to occur near the bending part in the corrugate rows of the reinforced corrugate sheet during the formation process can be reduced, thereby preventing tearing and damage. It has become possible to manufacture rugate sheets with high yields and high speeds that could not be expected with conventional manufacturing methods.

More specifically, a roller and a stationary body whose shape near the contact portion is intermittently constricted or convex in the axial direction are placed near each part on the corrugated sheet corresponding to the center axis of each mountain and the center axis of each valley. By applying a compressive external force and a tensile external force to the material in close contact with each other, and preferably by forming forward deformation and retracting deformation in advance, each region on the reinforced corrugated sheet in the forming process corresponding to each intermediate axis is By reducing the shear stress that is forced to occur in the vicinity, it is possible to suppress and prevent shear damage of the reinforced corrugate sheet in the vicinity of that area, and the shape condition is adjusted to the amplitude ratio H/L>0. 35° meandering polymerization rate [)/l>
0.5. With a meandering ratio D/N > 0.2, it was considered difficult to bend a reinforced corrugated sheet with a relatively deep degree of bending using conventional manufacturing methods, but the manufacturing method and manufacturing apparatus of the present invention can Since the folding process of the reinforced corrugate sheet can be achieved reliably, stably, and at high speed, the productivity of the reinforced corrugate sheet can be greatly improved and the manufacturing cost can be reduced.

In the first embodiment shown in FIG. The reinforced corrugate sheet 01 is characterized in that the bottom portion 3 is formed in a meandering shape in the width direction within the seal surface, and the reinforced corrugate sheet 01 is a building material made of a synthetic resin sheet, paper, etc., respectively. It was used as an interference sheet for corrugated sheets, packaging materials, etc., and was able to demonstrate higher mechanical performance than similar conventional sheets. Further, a reinforced corrugate sheet composite in which the reinforced corrugate sheet 01 is formed with a flat sheet or a corrugated sheet on one or both sides thereof by a method such as pasting, welding, or binding, further comprising a plurality of reinforced corrugate sheets 01 as described above. Laminated and fused to each other via flat sheets or corrugated sheets.

There are many unnecessary items such as composite reinforced corrugate composites formed by methods such as fastening, and the present invention can be used as packaging sheets, building material sheets, etc. obtained using various materials such as paper 2 synthetic resin sheets and Kinku sheets. It has been revealed that various reinforced corrugate composites related to the above have higher mechanical performance than similar conventional sheets.

Separately from this, there is a molding method in which extrusion is performed in the full gate axial direction through a mold or molding die that can repeat a predetermined reciprocating motion in a direction perpendicular to the extrusion direction using materials such as synthetic resin or aluminum. Accordingly, a sheet having a shape equivalent to the reinforced corrugated sheet 01 according to the present invention is manufactured, and the sheet having the shape is further integrally formed with one or more flat sheet-like portions on one or both sides thereof using the method described above. The resulting reinforced corrugated integrally molded sheet exhibited extremely high mechanical properties compared to conventional similar corrugated integrally molded sheets.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a first embodiment of a reinforced corrugated sheet obtained by the production method according to the present invention, and FIG. 2 is a second embodiment of a corrugated processing roller constituting the production method of the present invention. The same figure (a) is a broken perspective view, the same figure (11') is a partially exploded view of its peripheral surface, the same figure (C) is its S-8 sectional view, and Fig. 3 shows all the steps of the conventional manufacturing method. The conventional example is shown schematically, and the same figure (
a) is its plan view, (b), (c),
(d) is a sectional view 81-81, S2 32 sectional view, and S3-83 sectional view, and FIG. Figure (a) is a plan view thereof, and figures (b) and (c). (d) is its S, -S, sectional view, 82 82 sectional view,
83-83 sectional view and FIG. 5 schematically show a fourth embodiment regarding all steps of the manufacturing method of the present invention,
) is its plan view, and (b) of the same figure. (c), (d), (e) are each S,
-S, sectional view, 82 82 sectional view, S3 83 sectional view,
8434 is a sectional view. 6 to 13 show the fifth to twelfth embodiments of the manufacturing method of the present invention and the main devices constituting it, and each figure (a) is a perspective view thereof, and each figure (a) is a perspective view thereof. b) is its plan view, each figure (C), (d). (e), (f) is each Ss S+ sectional view, 5232
They are a sectional view, an 83-33 sectional view, and a 54S4 sectional view. FIG. 14 shows 13th to 15th embodiments regarding rollers that are forcers according to the present invention, and FIG.
>, (b), (b i, (e) are the first
Each perspective partial view of the 3rd embodiment, 2 partial side view, 3+-81 sectional view, the same figure (c), (c') each partial side view of the 14th embodiment, S2 S2 sectional view, the same figure (d) , (g) is the first
FIG. 5 is a partial side view and a sectional view taken along S3-83 of the fifth embodiment. FIG. 15 shows the corrugated plate-like sheet [-] according to the present invention.
It is a partial perspective view of Example - 12th Example. 01...Reinforced corrugate sheet 01-...Reinforced corrugate sheet 02 in the process of formation...Corrugated sheet 02-. 02''... Corrugated sheet with as flattened tension distribution as possible 03... Flat sheet 03'... Corrugated sheet in the process of being formed.・・・・・・
・・・Corrugate column 2・・・・・・Top part of corrugate column 3・・・
...Bottom part 4 of corrugated column...
Meandering valley part 5 of the corrugated column row...Meandering peak part 6 of the corrugate column column...Inflection part 7 of the corrugate column column... ... Corrugated groove row 8 ... ... Top part of corrugated groove row 9 ...
...Bottom part of corrugate groove row 10 ...Roller for corrugate processing 18 ... Fixed shaft type / Single unit /
Cylindrical roller 19...Axis parallel moving type, single unit, cylindrical roller 20...Axis fixed type, same phase, opposing corrugated roller 20''...Axis fixed type, single unit, corrugated roller 21・・・
...Axis-parallel moving type, same phase, opposing corrugated roller 21-
...Axis-parallel movement type, single unit, corrugated roller 22...
・Axis parallel movement type ・Shift phase ・Opposite roller 23...
・Axis fixed type・Curved type・Shift phase・Opposite corrugated roller 24... Corrugated stationary material 30...Meandering line center information 31...Meandering mountain center Axis 32...Meandering neutral shaft 40...Wave-shaped bending row 41...Forward deformation forming section 42...Pullback deformation forming section 43. ...Axis meandering bend 50a, 50a =, 50b, 50b', 50c
...Groove line 60...Disc circumferential surface portion, large diameter circumferential surface portion, convex portion 61
・・・・・・Disc connecting part, small diameter peripheral part, concave part T4
, T4- , T4''...Tension vector T on the hook center axis
s,, Ts = , Ts”... Tension vector on the center axis of the mountain Ts, Te =, Ts”... Tension vector on the neutral axis L+, L+ -... Mark line on the corrugated sheet L2... Mark line on reinforced corrugate sheet L... Corrugate period length in orthogonal cross section of corrugate column row H...... Orthogonal cross section of corrugate column row Inner corrugate amplitude length N・・・・・・Meandering period length D of corrugate row
・・・・・・・・・Hiroshi Ichikawa, patent applicant for corrugated row of meandering matrons Husband procedure? 11
1 Correct writing method) October 29, 1985 Commissioner of the Japan Patent Office Black 1) Yu Akira 1, Indication of the case Patent Application No. 177945 of 1988 2, Name of the invention Method for manufacturing reinforced corrugate sheet and apparatus for manufacturing the same 3 , Relationship with the case of the person making the amendment Patent applicant address 3-19-114 Takada, Toshima-ku, Tokyo Date of amendment order September 30, 1985 (shipment date) 5. Drawings subject to amendment 6. Amendment contents of

Claims (17)

[Claims] (1) A corrugated sheet with pre-formed wavy folded rows perpendicular to the flow direction is fed to a corrugating roller, and the top and bottom of each corrugated row is aligned in the width direction of the sheet surface. In the manufacturing method of a reinforced corrugated sheet obtained by bending and forming a serpentine shape, the corrugated sheet and the reinforced corrugated sheet in the process of forming a corrugate allow the sheet widthwise distribution of each tension in the in-plane flow direction. A method for producing a reinforced corrugate sheet, characterized in that the reinforced corrugate sheet is flattened. (2) The corrugated sheet is pulled back and deformed in the opposite direction of the flow at each linear portion corresponding to the central axis of each valley of the meandering shape and its surrounding band-like portion, and at the same time, the corrugated sheet is pulled back and deformed in the opposite direction of the flow, and at the same time Each of the linear portions corresponding to the shaft and the peripheral band portions thereof are forward deformed in the flow direction, or either one of the above deformations is caused, and then the material is fed to the corrugating roller. A method for manufacturing a reinforced corrugate sheet according to claim 1. (3) The corrugated sheet is applied with a tensile external force in a direction perpendicular to the in-plane width direction of the sheet in each region corresponding to the central axis of each valley of the meandering shape and in the vicinity thereof, for the corrugating process. A method for manufacturing a reinforced corrugated sheet according to claims 1 and 2, characterized in that the reinforced corrugate sheet is fed to rollers. (4) The corrugated sheet is subjected to a compressive external force in a direction orthogonal to the width direction within the sheet surface at each portion corresponding to the center axis of each ridge of the meandering shape and in the vicinity thereof,
The method for manufacturing a reinforced corrugated sheet according to any one of claims 1 to 3, characterized in that the reinforced corrugated sheet is supplied to the corrugating roller. (5) A patent characterized in that the above-mentioned corrugated sheet is formed in advance so as to have a substantially uniform stage repetition rate in the width direction and a wavy fold row arranged perpendicular to the flow direction. A method for manufacturing a reinforced corrugate sheet according to any one of claims 1 to 4. (6) The corrugated sheet is aligned with the center axis of the crest of the serpentine shape by adjusting the step repetition rate of the corrugated folded rows formed in advance in the vicinity of each portion corresponding to the center axis of the valley of the serpentine shape. The reinforcement according to any one of claims 1 to 4, characterized in that the reinforcement is formed near each corresponding portion and is relatively smaller than the step repetition rate of the wavy folded row. Method of manufacturing corrugated sheet. (7) The corrugated sheet is formed in advance as a flat surface without being provided in a wavy bent row at each linear portion corresponding to the center axis of the meandering valley and its peripheral band portion. Claim 1 characterized in that
4. A method for producing a reinforced corrugate sheet according to any one of Items 4 to 4. (8) The corrugated sheet is previously pulled back and deformed in the opposite flow direction at each linear portion corresponding to the center axis of the serpentine valley and its peripheral band portion, and at the same time, the corrugated sheet The invention is characterized in that each linear portion and its surrounding band-like portion are formed so as to be deformed forward in the flow direction, or to be deformed in either one of the abovementioned areas. Method for manufacturing a reinforced corrugate sheet according to any one of Items 1 to 7 (9) In a corrugated sheet in which a row of wavy folds perpendicular to the flow direction is formed in advance, each part corresponding to the center axis of each serpentine valley and its vicinity is within the sheet plane. Applying a tensile external force in a direction perpendicular to the width direction, or applying a compressive external force in a direction perpendicular to the width direction within the sheet surface on each part corresponding to the central axis of each ridge of the meandering shape and its vicinity, Alternatively, a means for applying both the tensile and compressive external forces to a predetermined portion is used, and the corrugated sheet is corrugated by the corrugating roller provided at a close distance downstream thereof. In an apparatus for manufacturing a reinforced corrugate sheet obtained by bending each top and bottom of the column rows into a meandering shape in the width direction within the sheet surface, A reinforced corrugate manufacturing apparatus characterized in that the external force is applied by one or more forcers disposed on the corresponding corrugated sheet so as to be in close contact with each region and its vicinity. (10) An axial direction in which the corrugated sheet is in close contact with the vicinity of each portion corresponding to the central axis or both of the meandering peaks or valleys of the corrugated sheet and substantially coincides with the width direction of the corrugated sheet. 10. The reinforced corrugate sheet manufacturing apparatus according to claim 9, wherein a single roller or a paired roller arranged so as to be used as the force element. (11) An axial direction in which the corrugated sheet is in close contact with the vicinity of each portion corresponding to the central axis or both of the meandering peaks or valleys of the corrugated sheet and substantially coincides with the width direction of the corrugated sheet. 10. The reinforced corrugate sheet manufacturing apparatus according to claim 9, wherein a single or paired stationary member arranged so as to be used as the force element. (12) Claim 9, characterized in that the opposing roller, which is formed by forming a plurality of grooves on the rotating surface that is brought into close contact with the corrugated sheet, is used as the force element. and the reinforced corrugate sheet manufacturing apparatus according to any one of Item 10. (13) The function of the roller for folding the corrugated sheet, which is formed by the roller forming a row of wavy folds perpendicular to the flow direction, or the bending process that occurs during processing of the corrugated sheet. Claims 9, 10, and 12, characterized in that the roller has the function of flattening the gradient distribution of each tension in the sheet flow direction in the sheet width direction, or functions as both of the above rollers. An apparatus for manufacturing a reinforced corrugate sheet according to any one of the items. (14) A patent characterized in that the above-mentioned corrugated sheet is formed in advance so as to have a substantially uniform stage repetition rate in its width direction and a wavy fold row arranged perpendicular to the flow direction. An apparatus for manufacturing a reinforced corrugate sheet according to any one of claims 9 to 13. (15) The corrugated sheet is aligned with the central axis of the crest of the meandering shape by adjusting the step repetition rate of the corrugated folded rows formed in advance in the vicinity of each portion corresponding to the center axis of the valley of the meandering shape. The reinforced corrugate according to any one of claims 9 to 13, characterized in that the reinforcing corrugate is formed near each corresponding portion and is relatively smaller than the step repetition rate of the wavy bending row. Sheet manufacturing equipment. (16) The corrugated sheet is arranged in advance in each linear portion corresponding to the central axis of the serpentine valley and its surrounding band-like portions,
14. The reinforced corrugate sheet manufacturing apparatus according to any one of claims 9 to 13, wherein the reinforced corrugate sheet is formed as a flat surface without being provided in a row of wavy folds. (17) The corrugated sheet is previously pulled back and deformed in the opposite flow direction at each linear portion corresponding to the center axis of the serpentine valley and its peripheral band portion, and at the same time, the corrugated sheet Each of the linear portions and the peripheral band portion thereof is formed so as to be deformed forward in the flow direction, or to be deformed in either one of the abovementioned areas. The reinforced corrugate sheet manufacturing apparatus according to any one of Items 9 to 13.