JPH07185357A - Catalytic metal carrier and production thereof - Google Patents

Abstract

PURPOSE:To provide a catalytic metal carrier and a method of producing it by which the catalyst metal carrier is formed of materials of the same size, and is mass-produced even by an existing press, etc., and also cost is sharply lowered. CONSTITUTION:A plurality of blade bodies 14 are projected from a belt-like thin plate 12 in the direction crossing its longitudinal one by punching it at required intervals in the longitudinal direction. The belt-like thin plate from which the plural blade bodies 14 are projected is wound in the shape of a cylinder or an ellipse to form an approximate honeycomb body T of which a catalyst metal carrier 10 is formed. By slit bend work, etc., while mass productivity is maintained, the cost of materials is sharply lowered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a catalyst metal carrier which is installed in an exhaust gas system of an internal combustion engine such as an automobile and carries a catalyst for purifying the exhaust gas.

[0002]

2. Description of the Related Art Conventionally, catalyst carriers include ceramic honeycomb bodies made of ceramics and metal carriers made of stainless steel. This metal carrier must have a structure capable of withstanding high temperature and high velocity exhaust gas discharged from an internal combustion engine, and is also required to have excellent purifying ability, and is generally required. The heat-resistant stainless steel flat plate and the corrugated steel plate as shown in FIG. 17 were alternately stacked and wound in a cylindrical shape to form a honeycomb body, which was then placed in an outer cylinder made of heat-resistant stainless steel. It has a structure.

[0003]

Therefore, the heat-resistant stainless steel plate requires a long flat plate for corrugation and a short flat plate that does not need to be corrugated. Was needed. In addition, a dedicated mechanical equipment such as a corrugated roll is required, which is one of the causes of increasing the cost. Further, the corrugated thin plate has a problem that the corrugated peaks are often deformed during transportation / storage or during the manufacturing process, and a uniform cell shape is not formed.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to form a honeycomb body while forming cells by forming a plurality of blades in a punched shape on a strip-shaped thin steel plate. By configuring the above, it is possible to form the material with the same size, mass-produce it even with an existing press machine, etc., and it is possible to form it as a carrier having a light and uniform cell shape. An object of the present invention is to provide a metal carrier for a catalyst that can be achieved and a method for producing the same.

[0005]

In order to achieve the above-mentioned object, the present invention provides a plurality of blades in a direction intersecting with the longitudinal direction of a strip-shaped thin plate 12 in a punching shape at required intervals. 14 is made to project, and the strip-shaped thin plate projecting the plurality of blades 14 is wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T.

Further, the punched shape of the blade body 14 is such that it has a projecting portion 14a on either side in the longitudinal direction and is formed in parallel in the longitudinal direction of the strip-shaped thin plate 12 in the same shape. Also good.

Further, the shape of the blade body 14 may be any shape.

Next, a plurality of blade bodies 14 are protruded in a direction intersecting the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the strip-shaped thin plate 12, and the plurality of blade bodies 14 are protruded in a belt shape. The thin metal plates 10 are stacked to form a laminated body 22 to form a substantially honeycomb body T having a required shape.

Further, the punched shape of the blade body 14 is such that it has a projecting portion 14a on either side in the longitudinal direction and is formed in parallel in the longitudinal direction of the strip-shaped thin plate 12 in the same shape. Also good.

The shape of the blade body 14 may be any shape.

Next, a plurality of blades 14 are projected in a direction intersecting the longitudinal direction in a punching manner at required intervals in the longitudinal direction of the belt-shaped thin plate 12, and the blades 14 of the thin strip 12 are projected. Side strip-shaped thin plate 24 on the side or non-projecting side
Are stacked, and these are wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T.

The blade body 14 is provided with a projecting portion 14a on either side in the longitudinal direction, and the strip-shaped thin plate 12 is provided.
May be formed in parallel in the same shape in the longitudinal direction.

Further, the shape of the blade body 14 may be any shape.

Further, a plurality of blade bodies 14 are protruded in a direction intersecting the longitudinal direction in a punching manner at required intervals in the longitudinal direction of the belt-shaped thin plate 12, and the strip-shaped thin plate in which the plurality of blade bodies 14 are protruded. Is wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T.

Further, a plurality of blade bodies 14 are projected in a direction intersecting the longitudinal direction in a punching shape at a required interval in the longitudinal direction of the belt-shaped thin plate 12, and the blade body 1 of the belt-shaped thin plate is formed.
4 is formed by stacking flat strip-shaped thin plates 24 on the protruding side or the non-projecting side and winding them into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T. .

Next, the strip-shaped thin plate 12 is punched out at a required interval in a half portion 12a which is divided substantially equally in the longitudinal direction.
A plurality of blades 14 are projected in a direction intersecting with the longitudinal direction, and the blades 14 are bent and overlapped at the protruding side or the non-projecting side of the blades 14 at substantially equal positions to form a cylindrical shape. Or a method of manufacturing a metal carrier for a catalyst, which is formed by winding an elliptical shape to form a substantially honeycomb body T.

[0017]

In the metal carrier for catalysts according to the present invention, a plurality of blades are protruded in a direction intersecting with the longitudinal direction in a punching shape at required intervals in the longitudinal direction. For example, slit bend processing is applied, and a strip-shaped thin plate with multiple blades protruding is cylindrical,
Alternatively, it is wound into an elliptical shape to form a substantially honeycomb body. Therefore, this honeycomb body is formed in a spiral shape, and the respective layers communicate with each other through the punched holes of the blade body. The honeycomb body wound in a cylindrical shape tends to diffuse due to its elastic force, and the honeycomb body T inserted in the outer cylinder can be easily locked to the inner wall of the outer cylinder. The length of the strip-shaped thin plate as a material is shorter than that of a corrugated metal carrier, and the same type of material can be used for manufacturing.

Further, a plurality of blade bodies are formed in a punching manner in a direction intersecting with the longitudinal direction at a required interval in the longitudinal direction,
When a laminated body is formed by stacking strip-shaped thin plates from which a plurality of blades are projected, a winding operation or the like is not necessary, and a honeycomb body can be formed by simply stacking, and the working process is extremely simple.

Further, by forming the slit pattern in the slit bend processing into an arbitrary shape, it is possible to change the cell size while maintaining a required aperture ratio.

Further, a plurality of blade bodies are projected in a direction intersecting the longitudinal direction in a punching shape at a required interval in the longitudinal direction of the belt-shaped thin plate, and the protruding side or the non-projecting side of the blade body of the belt-shaped thin plate. Since a flat strip-shaped thin plate is superposed on and is wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body, at the time of winding, by the strip-shaped thin plate forming a spiral layer, The blade body is stably locked and evenly divides the spiral layer.

Further, the punched shape of the blade body is provided with a projecting portion on either side in the longitudinal direction and is formed in parallel in the longitudinal direction of the strip-shaped thin plates, so that it is wound. In the laminated state, the protruding portion functions as a reinforcing piece and is not easily deformed.

Further, a plurality of blades are projected in a direction intersecting the longitudinal direction in a punched shape at a required interval at a half of the longitudinal direction of the strip thin plate, and the blade thin plate is substantially cut. According to the method for producing a metal carrier for a catalyst, which is bent and overlapped on the protruding side or the non-projecting side of the blade body at equal positions and wound in a cylindrical shape or an elliptical shape to form a substantially honeycomb body, By bending and overlapping one strip-shaped thin plate, the complicated work of stacking two strip-shaped thin plates is released. Further, even when the plurality of blades are superposed only on the substantially both ends on the protruding side, there is no deviation between the superposed strips.

[0023]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a thin plate state of a metal carrier 10 for a catalyst according to a first embodiment of the present invention, that is, a strip thin plate 12.
It is a top view of the state where the blade | wing body 14 was planted.

In the figure, the catalyst metal carrier 10 is formed of a strip-shaped thin plate made of, for example, a metal steel plate. The blade body 14 is formed in a punched shape at required intervals in the longitudinal direction of the strip-shaped thin plate. That is, the blade body 14 is attached to the strip-shaped thin plate 1
2 While connecting a part of the main body with the main body, a plurality of blades 14 are pushed up in a punching shape in a direction intersecting the longitudinal direction of the strip-shaped thin plate to project. Then, as shown in FIG. 2 (a), a plurality of blade bodies 14 are formed in parallel so as to project in a cylindrical shape or are wound into an elliptical shape to form a substantially honeycomb body T as shown in FIG. 2 (b). Formed, which forms the metal support 10 for the catalyst.

As the material for the strip-shaped thin plate, stainless steel is usually used in many cases, but in the examples, from the viewpoint of heat resistance and acid resistance, a thin plate of ferritic stainless steel containing aluminum is preferably used.

Further, in the present embodiment, the punched blades 14 for the thin strip are formed by slit bending. Slit bending of this stainless steel thin plate is performed by a press equipped with a mold K having a required slit (cutting cut) shape as shown in FIG. In FIG. 4, by setting the required feed amount P for each pressing step, the pitch between the slits is always fixed, and the punching is performed continuously. By providing a plurality of slit bending processes, a plurality of slit bending processes can be performed at the same time, and mass production is possible.

FIG. 5 shows a cutting edge S having a V-shaped edge having the same shape as the required blade shape for a thin plate.
The blade edge S first cuts the thin plate into a desired slit shape during pressing, and simply shears it into a push-cut shape while maintaining the connection with the main body portion of the thin plate. The portion surrounded by the slit shape is vertically bent downward to continuously bend the blade body 1.
4 is formed. Feather body 14 in a pushed state
The angle may be any angle.

In the embodiment, the protruding structure of the plurality of blades 14 is formed by slit bend processing, but other processing methods may be used, and the point is that the plurality of blades can be formed in a punched shape. For example, as a configuration in which a cutting blade having a required blade body shape is attached to the tip portion of the blade tip S, a groove is first cut by a press, and the blade body is pushed up by pushing it down as it is. Is also good.

Then, in a state in which a plurality of blades 14 are formed in a protruding manner, the blades are wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T. The winding direction is such that the side where the blades 14 protrude is the inside. It may be wound or may be wound in the opposite direction.

As described above, since the blade 14 is formed by pressing the flat thin plate as it is, the metal according to the present invention is more suitable than the conventional corrugated thin plate shown in FIG. Considering the length of the strip-shaped thin plate 12 as the material of the carrier 10 to be, for example, L, in the case of the conventional type, a material having a length shown by l (el) is required for the corrugated processing, and therefore, when mass-produced. Therefore, the total material cost can be significantly reduced.

As described above, the shape of the blade body 14 is formed in a U shape in the embodiment, and as shown in FIG. 1, the punched shape of the blade body 14 or the slit pattern is either in the longitudinal direction. Is provided with a protruding portion 14a and is formed in parallel in the longitudinal direction in the same shape. As a result, continuous processing and mass production thereof can be effectively realized.

As described above, the punched shape of the blade body 14 is such that the protruding portion 14a is provided on either side in the longitudinal direction, and the shape of the blade body 14 itself may be arbitrary as long as that. For example, as shown in FIGS. 6, 7, and 8, it may be formed in an arc shape, a mountain shape, an arc shape, or the like.

The slit pattern has a U shape, an arch shape,
Any shape such as an arc shape may be used and is not particularly limited, but if the pitch between the slits is minimized within the processing limit, the size of each cell 16 of the honeycomb body T is small and dense. The purification performance is further improved.

Then, a catalyst agent is applied to the catalyst metal carrier 10 thus formed. Examples of the catalyst agent include white metals such as Pt, Pd and Rh, homologues such as Cu, Ag and Au, rare earth elements such as Nd, Ce, La and Th, and Mn and C.
r, Ni, Al, Ba or the like or compounds thereof are used. Further, the coating method of the catalyst agent, when the catalyst carrier is electrically conductive, a coating means such as electroplating is also possible,
Further, a method of applying electricity by applying electric current or induction heating to the catalyst carrier to raise the temperature and coating it is used.

As shown in FIG. 10, the metal carrier 10 coated with a catalyst is wound into, for example, a cylindrical shape and inserted into a hollow cylindrical outer cylinder 18 made of stainless steel.
It is fixed in the outer cylinder 18 by the fixing pieces 20 at both ends of the.

This honeycomb body T wound in a cylindrical shape
The catalyst carrier 10 as described above tends to diffuse due to its elastic force, and the honeycomb body T inserted in the outer cylinder 18 can be easily locked to the inner wall of the outer cylinder, but a spiral honeycomb is formed. There is nothing that is attached to the substantially central portion of the body T, and the body T is easily displaced in the longitudinal direction. In order to prevent this lateral displacement, the outer cylinder 18 is fixed by being sandwiched by the fixing pieces 20 at both ends.

11 and 12 show a second embodiment of the present invention, in which the same members as those in the first embodiment are designated by the same reference numerals. In FIG. 11, a strip-shaped thin plate 12 formed in the punched shape of the first embodiment and provided with a plurality of blade bodies protruding therefrom.
Are stacked in the vertical direction to form a honeycomb-shaped stacked body 22. With this, the same effect as that of the first embodiment can be obtained.

In FIG. 12, the catalyst carrier 10 as the honeycomb body T is assembled in an outer shape of a substantially elliptic cylinder, and is mounted and fixed in the outer cylinder 18 as an oval hollow cylinder. Also in this embodiment, the shape of the blade body 14 may be arbitrary.

FIG. 13 shows a third embodiment of the present invention. The same members as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. In this embodiment, in this embodiment, a plurality of blade bodies 14 are projected in a direction intersecting the longitudinal direction in a punching shape at a required interval in the longitudinal direction of the belt-shaped thin plate 12, and the blades of the belt-shaped thin plate 14 are projected. A flat metal thin plate 24 is stacked on the non-projecting side of the body 14, and these are wound in a cylindrical shape or an elliptical shape to form a substantially honeycomb body T, thereby forming the catalyst metal carrier 10.

As described above, the strip-shaped thin plate 1 having the plurality of blades 14 projected by slit bending with the press machine
2 and a flat strip-shaped thin plate 24 on the non-protruding side of the blade body 14 of the thin strip 12, and these are wound in a cylindrical shape or an elliptical shape to form a substantially honeycomb body T. The strip 12 forms a spiral layer of uniform width.

The blade body 14 divides the spiral layer to form each cell 16 having a hollow columnar shape.
The number is not only closely related to the aperture ratio of the substantially circular cross section, but also affects the purification performance, and therefore it is necessary to form a uniform shape. The plurality of blade bodies 14 formed by the slit bend processing according to the present invention form a spiral layer having a uniform width while being stably locked to the flat strip-shaped thin plate 12 during winding.

In this embodiment, the flat strip-shaped thin plate 24 is stacked on the non-projecting side of the blade body 14 of the strip-shaped thin plate 12, but it may be stacked on the projecting side of the blade body 14 and is not particularly limited. It is not something that will be done. In addition, the strip thin plate,
Without winding these into a cylindrical or elliptical shape,
You may form a substantially honeycomb body T by stacking.

FIG. 14 shows a strip-shaped thin plate 12 according to the fourth embodiment of the present invention. In this embodiment, the thin strip 1
2 in a half portion 12a that is substantially equally divided with respect to the longitudinal direction, and a plurality of blade bodies 14 in a direction intersecting the longitudinal direction at required intervals.
Is protruding.

In the embodiment, for example, slit bending is performed to project a plurality of blade bodies 14, and the strip-shaped thin plate 1
The other half portion 12b of the strip-shaped thin plate 12 is bent and superposed on the projecting side or the non-projecting side of the blade body 14 at substantially equal positions of 2.
These are wound into a cylindrical shape or an elliptical shape to form a substantially honeycomb body T.

In this way, since one strip-shaped thin plate 12 is bent and overlapped, the deviation of the winding start of the half portion 12b of the stacked strip-shaped thin plates 12 during winding is reduced, and the workability is extremely good. It will be

In the fourth embodiment, the half portion 12b on the side where the blade body 14 is not formed may have a notch 26 at the central portion along the longitudinal direction as shown in FIG.
As shown in FIG. 5, the metal catalyst carrier as the honeycomb body T can be formed by bending and overlapping at substantially equal positions and winding. Although not shown in the drawing, both ends in the width direction are cut out in the longitudinal direction of the half portion 12b so that the cutout portion 26 remains so that the half portion 1b.
2b may be formed. Also, the winding direction may be such that it is wound around the protruding side of the blade body.

As described above, in the metal carrier for catalysts according to the present invention, basically, a plurality of blades are punched in the longitudinal direction of the strip-shaped thin plate at required intervals and in a direction intersecting with the longitudinal direction. Since it is configured to project, it is possible to perform continuous processing by pressing or the like and has high mass productivity.

Further, not only when the honeycomb body T is formed by simply winding the blade body, but also when the flat plate-like thin plates 24 are wound in a superposed state and stored in the outer cylinder 18, A turbulent flow is generated inside the honeycomb, and the waste gas uniformly reacts with the surface of the blade body or the like coated with the catalyst agent, thereby promoting the purification efficiency. The metal carrier for a catalyst according to the present invention is not limited to the configuration of the above-described embodiment, and may be arbitrarily modified without departing from the spirit of the invention described in the claims. For example, the material of the band-shaped thin plate is not limited to the thin plate of ferritic stainless steel, and a band-shaped thin plate formed of other metal or alloy may be used. Further, the step of adhering the catalyst to the metal carrier described above may be performed by using a dashing method, or any other adhering method may be used.

[0049]

As described above, according to the catalyst metal carrier of the first aspect of the present invention, a plurality of blades are punched in the longitudinal direction of the strip-shaped thin plate at required intervals and in a direction intersecting the longitudinal direction. A thin honeycomb plate having a body protruding and a plurality of blades protruding into a cylindrical or elliptical shape
Since it is formed, it is possible to perform continuous processing with a normal press machine without using special mechanical equipment, and it is possible to keep the equipment cost and processing cost low, and at the same time, material cost can be significantly reduced. Further, it is possible to increase or decrease the number of communication holes between the spiral layers while maintaining the required aperture ratio, and since the blades can be increased without changing the pitch between the slits, turbulent flow of exhaust gas is promoted. Purification performance is further improved.

Further, according to the catalyst metal carrier of the second aspect, the blade body is provided with the projecting portion on either side in the longitudinal direction, and is arranged in parallel in the longitudinal direction of the strip-shaped thin plates in the same shape. Since the blade bodies having the same shape are continuously formed, the continuous processing can be realized effectively.

In addition, according to the metal carrier for a catalyst of the third aspect, the shape of the blade can be any shape, so that the degree of freedom in blade formation is high and the shape of the press die or the like is also high. Metal catalyst supports can be mass-produced at low cost without requiring precision.

Further, according to the catalyst metal carrier of the fourth aspect, a plurality of blades are protruded in a direction intersecting the longitudinal direction in a punching shape at a required interval in the longitudinal direction of the strip-shaped thin plate, By stacking strip-shaped thin plates with a plurality of blades protruding to form a laminated body and forming a substantially honeycomb body T of a required shape, work such as winding is unnecessary, and the work process is simplified to assemble. Work efficiency can be improved.

Further, according to the catalyst metal carrier of the fifth aspect, the blade body is provided with the projecting portions on either side in the longitudinal direction, and the vane bodies are arranged in parallel in the longitudinal direction of the strip-shaped thin plates. Since it is formed as described above, the strip-shaped thin plate can be formed into a uniform cell shape by winding or stacking.

Further, according to the metal carrier for a catalyst of the sixth aspect, since the shape of the blade is arbitrary, the degree of freedom in forming the blade is high and the shape of the press die or the like needs to be highly accurate. The metal carrier for catalyst can be mass-produced at low cost.

Further, according to the catalyst metal carrier of the seventh aspect, a plurality of blades are protruded in a direction intersecting the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the strip-shaped thin plate. Since flat plate-shaped thin strips are superposed on the protruding side or the non-projecting side of the blade of the thin strips, and these are wound in a cylindrical shape or an elliptical shape to form a substantially honeycomb body T, at the time of winding, The protruding portion of the blade body is locked by the stacked thin strip plates to be in a stable state, and a uniform cell shape can be formed.

According to the catalyst metal carrier of the eighth aspect, the blade body is provided with the projecting portion on either side in the longitudinal direction, and is arranged in parallel in the longitudinal direction of the strip-shaped thin plates. Since it is formed as described above, the strip-shaped thin plate can be formed into a uniform cell shape even when wound or laminated.

Further, according to the catalyst metal carrier of the ninth aspect, since the shape of the blade body is arbitrary, the degree of freedom of blade formation is high, and the shape of the press die or the like requires high accuracy. Mass production of metal supports for catalysts at low cost.

Further, according to the method of manufacturing a metal carrier for a catalyst according to the tenth aspect, a plurality of blades are protruded in a direction intersecting with the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the strip-shaped thin plate. Then, the strip-shaped thin plate from which the plurality of blades are projected is wound into a cylindrical shape or an elliptical shape to form the substantially honeycomb body T. Therefore, continuous processing is performed by a normal press machine without using special mechanical equipment. It is possible to significantly reduce the material cost while keeping the equipment cost and the processing cost low.

Further, according to the method for producing a metal carrier for a catalyst according to the eleventh aspect, a plurality of blades are protruded in a direction intersecting with the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the strip-shaped thin plate. The flat plate-shaped thin plates are superposed on the protruding side or the non-protruding side of the blade body of the thin band-shaped thin plate, and these are wound in a cylindrical shape or an elliptical shape to form a substantially honeycomb body T. The projecting portions of the blades are locked by the stacked thin strips and are in a stable state, so that a uniform cell shape can be formed.

Further, according to the method for producing a metal carrier for a catalyst according to claim 12, a half portion that is approximately equally divided with respect to the longitudinal direction of the strip-shaped thin plate is punched out at required intervals and intersects the longitudinal direction. A plurality of blades are projected in the direction of, and are bent and overlapped on the protruding side or the non-projecting side of the blades at substantially equal positions of the strip-shaped thin plate, and these are wound into a cylindrical shape or an elliptical shape. Since the substantially honeycomb body T is formed, the complicated work of stacking two strip-shaped thin plates is released, and at the same time,
Since there is no deviation of the strip-shaped thin plates that are overlapped during winding, workability can be greatly improved.

[Brief description of drawings]

FIG. 1 is a plan view showing a state in which a blade body is erected on a strip-shaped thin plate of a metal carrier for catalyst according to a first embodiment of the present invention.

2A is a perspective explanatory view showing a wound state of the strip-shaped thin plate of FIG. 1. FIG. (B) is a front explanatory view of a strip-shaped thin plate rolled up into a honeycomb body.

FIG. 3 is a perspective explanatory view of a state of slit bend processing by using a press machine.

FIG. 4 is a vertical cross-sectional view of the main part.

FIG. 5 is a perspective explanatory view showing a die blade edge portion in slit bend processing.

FIG. 6 is a schematic plan view showing another shape of the blade body.

FIG. 7 is a schematic plan view showing another shape of the blade body.

FIG. 8 is a schematic plan view showing another shape of the blade body.

9 is a perspective explanatory view of a state in which the blade body shown in FIG. 8 is erected.

FIG. 10 is an exploded perspective view of the catalyst metal carrier according to the embodiment mounted on the outer cylinder.

FIG. 11 is a perspective view illustrating a case where the catalyst metal carrier according to the second embodiment of the present invention is formed as a laminated body.

FIG. 12 is a perspective explanatory view showing a state in which a catalyst metal carrier according to a second embodiment of the present invention formed as a laminated body is mounted in an oval outer cylinder.

FIG. 13 is an operation explanatory view in the case where a flat plate-shaped thin plate is superposed and wound on a strip-shaped thin plate having a blade body according to the third embodiment of the present invention.

FIG. 14 is a plan view for explaining a blade body to be formed according to a fourth embodiment of the present invention in a strip-shaped thin plate state.

FIG. 15 is a plan explanatory view of a strip-shaped thin plate state showing another example of forming the half part of the blade body to be formed according to the fourth example of the invention.

FIG. 16 is an operation explanatory view of a bent state of the strip-shaped thin plate according to the fourth embodiment of the present invention.

FIG. 17 is a perspective explanatory view of a conventional corrugated metal carrier for a catalyst.

[Explanation of symbols]

 10 Metallic Carrier for Catalyst 12 Band-shaped Thin Plate 14 Blade Body 14a Projection 16 Cell 18 Outer Cylinder 22 Laminated Body 24 Plate-shaped Band-shaped Thin Plate S Blade Edge K Mold

Claims (12)

[Claims] 1. A plurality of blade bodies are projected in a direction intersecting the longitudinal direction in a punching shape at a required interval in the longitudinal direction of the belt-shaped thin plate, and the belt-shaped thin plate from which the plurality of blade bodies are projected has a cylindrical shape. Or, a metal carrier for a catalyst formed by winding in an elliptical shape to form a substantially honeycomb body. 2. The punched shape of the blade body is provided with a projecting portion on either side in the longitudinal direction, and is formed in parallel in the same shape in the longitudinal direction of the strip-shaped thin plates. Metal catalyst carrier. 3. The metal carrier for catalyst according to claim 1, wherein the blade body has an arbitrary shape. 4. A plurality of blade bodies are protruded in a direction intersecting the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the belt-shaped thin plate, and the belt-shaped thin plates protruding from the plurality of blade bodies are stacked. A metal carrier for a catalyst, which is formed by forming a laminated body to form a substantially honeycomb body having a required shape. 5. The punched shape of the blade body comprises a protruding portion on either side in the longitudinal direction, and is formed in parallel in the longitudinal direction of the strip-shaped thin plates in the same shape. Metal catalyst carrier. 6. The metal carrier for catalyst according to claim 4, wherein the shape of the blade body is an arbitrary shape. 7. A plurality of blade bodies are projected in a direction intersecting the longitudinal direction in a punching shape at required intervals in the longitudinal direction of the belt-shaped thin plate, and the protruding side or the non-projecting side of the blade body of the belt-shaped thin plate. A metal carrier for a catalyst, which is obtained by stacking flat strip-shaped thin plates on a sheet and winding them into a cylindrical or elliptical shape to form a substantially honeycomb body. 8. The catalyst according to claim 7, wherein the blade body is provided with a projecting portion on either side in the longitudinal direction, and is formed in parallel in the longitudinal direction of the strip-shaped thin plate in the same shape. Metal carrier. 9. The metal carrier for a catalyst according to claim 7, wherein the shape of the blade body is an arbitrary shape. 10. A strip-shaped thin plate is punched out at a required interval in a longitudinal direction of the strip-shaped thin plate to project a plurality of blade bodies in a direction intersecting with the longitudinal direction, and the strip-shaped thin plate having the plurality of blade bodies projected is a cylindrical shape. Or a method for producing a metal carrier for a catalyst, which is formed by winding an elliptical shape to form a substantially honeycomb body. 11. A plurality of blade bodies are projected in a direction intersecting the longitudinal direction in a punched shape at a required interval in the longitudinal direction of the belt-shaped thin plate, and the protruding side or the non-projecting side of the blade body of the belt-shaped thin plate. A method for producing a metal carrier for a catalyst, which comprises stacking flat plate-shaped thin plates on a substrate and winding them into a cylindrical or elliptical shape to form a substantially honeycomb body. 12. A plurality of blade bodies are protruded in a direction intersecting with the longitudinal direction in a punched shape at required intervals at a half portion approximately equally divided with respect to the longitudinal direction of the belt-shaped thin plate. A method for producing a metal carrier for a catalyst, which is formed by bending and overlapping the protruding side or the non-projecting side of the blade body at equal positions and winding them into a cylindrical shape or an elliptical shape to form a substantially honeycomb body.