Packaging machines and equipment and methods for routing the transport sections of packaging machines.

Abstract

The present invention relates to a packaging machine for packaging and / or handling objects, the packaging machine having a transport section (1) for conveying products, containers and / or packaging units along a transport direction (2), wherein the transport section (1) has a conveyor (3) in the form of a conveyor belt, preferably with at least one drive device. In particular, according to the invention, especially for routing the transport section (1), in at least certain areas or portions, the effective width of the conveyor (3), as observed perpendicular to the transport direction (2), for conveying these products, containers and / or packaging units, is preferably variable, at least within a predetermined or determinable area.

Description

[0001] The present invention particularly relates to a packaging machine for packaging and / or handling objects.

[0002] In particular, the present invention preferably (but not exclusively) relates to a so-called secondary packaging machine designed for producing packaging, especially large packaging (containers), that is, products already assembled in containers, particularly already packaged, wrapped in cardboard and / or film materials.

[0003] As used herein, the term "packaging machine" also includes the term "grouping unit" itself or components of larger systems. Packaging machines, for example, are components of filling lines typically located within a production hall.

[0004] Individually packaged products (e.g., beverages in cartons or flour or similar products in bags) are then grouped into larger parcels for better transport. To this end, these products are conveyed together in a packaging machine and grouped into desired sizes by appropriate control of the conveyor belt or transport belt. Such parcels can then be achieved, for example, by packing multiple products into a cardboard package or by wrapping with a film, which is then tightened to stabilize the container.

[0005] For the processing, gathering, grouping, and packaging of objects, especially using different packaging machines or packaging stations, these are interconnected by corresponding transport sections to correspondingly transport out and into products, containers, and / or packaging units. The transport sections are used here to convey products, packages, and / or packaging units along a preferred horizontal transport direction, where the transport direction is generally not straight but has curved, bent, or arc-shaped areas. The transport sections have conveying devices, especially in the form of conveyor belts or conveyor belts, which preferably have at least one drive unit for driving the conveying device. However, it is not mandatory for the conveying device (i.e., especially the conveyor belt or conveyor belt) to be equipped with a drive unit.

[0006] When designing and planning packaging machines, the routes for transport sections should be determined accordingly. The term "routing" describes the design and determination of the transport section's route, especially in terms of plan and cross-section.

[0007] Preferably, the transport section is routed in such a way that the straight sections of the transport section transition as "gently" as possible to the curved or arc-shaped sections, so as to achieve the smoothest possible transition between the straight and curved sections when transporting products, containers, and / or packaging units. Therefore, corresponding transition arc sections, especially in the form of curved guides, should be provided in the transition areas between the straight sections and the curved or arc-shaped sections of the transport section.

[0008] However, it must be considered that the arc shape of the curved guides also depends on the products, containers, and / or packaging units to be conveyed, and especially their size and shape. This makes it difficult to optimally route the transport section of the packaging machine during the design and planning phase. Therefore, the lateral guides, especially the lateral curved guides, of the transport section of the packaging machine are usually adjusted only after the packaging machine is put into use or after its initial use.

[0009] It must be considered that further modifications to the transport section are usually required when products are changed after the packaging machine has been put into use. The subsequent adjustments and setup of the lateral guides and especially the curved guides of the transport section are relatively time-consuming, and it is often impossible to achieve optimal alignment of the lateral or curved guides with the products, containers, and / or packaging units to be transported.

[0010] In light of this situation, a solution is provided to address the problem of the present invention, which can be used in a particularly simple yet efficient manner to ensure, for example, that the transportation segment can be routed as optimally as possible even after the packaging equipment has been put into use.

[0011] This problem is particularly solved by the device of the present invention for routing the transport section of the packaging machine, and the packaging machine itself.

[0012] Therefore, the present invention relates particularly to a packaging machine for packaging and / or handling objects, having a transport section for conveying products, containers and / or packaging units along a transport direction, wherein the transport section has a conveying device, particularly in the form of a conveyor belt or conveyor belt, the conveying device preferably having at least one drive device.

[0013] According to one aspect of the invention, it is particularly proposed that, especially for the purpose of navigating the transport segment, the effective width of the conveying device, as observed perpendicular to the transport direction, for transporting these products, containers and / or packaging units, can be at least preferably variably set, especially in a predetermined or determinable area.

[0014] Alternatively or in particular, it is proposed that the transport segment preferably extends at least generally horizontally, wherein the transport segment has at least one curved region or at least one arched or curved region by means of which the products, containers and / or packaging units deflect and / or turn horizontally. Particularly for the purpose of routing the transport segment, it is proposed here that, at least in certain areas or portions, the longitudinal inclination of the at least one curved region or the at least one arched or curved region of the transport segment... The curvature and / or curvature variation are preferably adjustable, especially within a predetermined or determinable region.

[0015] The advantages available with respect to the solution according to the invention are apparent: depending on selection or need, at least in certain areas or sections, the effective width of the conveying device, observed perpendicular to the transport direction of the conveyed products, containers, and / or packaging units, can preferably be variably adjusted, thereby enabling the transport section to be flexibly adjusted in a simple manner and, particularly optimally, adapted to the corresponding characteristics and, especially, the size, of the products, containers, and / or packaging units being transported. This aspect relates to the straight sections of the transport section.

[0016] In order to further adjust the curved guide of the transport section so that it can be optimally adapted to the characteristics and, in particular, the size of the product, container and / or packaging unit to be transported, according to one aspect of the invention, the longitudinal inclination, curvature and / or curvature variation of the at least one curved area or the at least one arched or arcuate area of ​​the transport section is preferably variably adjustable, especially in certain areas or portions, at least in predetermined or determinable areas.

[0017] Therefore, this ensures that the transport segment is optimally routed even after product changes, or can be routed in a simple manner, and in particular ensures trouble-free transport or delivery of products, containers and / or packaging units, where the required route (i.e., adjustments to the transport segment, especially for the products, containers and / or packaging units to be transported) can be achieved in an easy-to-implement yet efficient manner.

[0018] According to an embodiment of the packaging machine of the invention, the transport section is provided with at least one lateral guiding element, particularly in the form of a guide rail or guide bar, which is adjustable at least relative to the conveying device (i.e., relative to the conveyor belt or conveyor belt) and perpendicular to the transport direction, so as to selectively or as needed change and set the effective width of the conveying device for transporting products, containers and / or packaging units.

[0019] In particular, an improvement proposed according to the last mentioned aspect is that the at least one lateral guide element has a preferred bending-resistant first region in which the lateral guide element extends at least substantially in a straight line and serves as a lateral guide.

[0020] The at least one lateral guide element preferably has an additional second region in which the lateral guide element extends arcuately, wherein the second region of the lateral guide element is at least partially formed of a flexible material, especially a plastic material, so that in at least some areas or portions, the curvature and / or curvature variation (gradient of variation) of the arcuate shape of the second region is variably (preferably reversibly) adjustable, especially at least in a predetermined or determinable region.

[0021] The term “bending resistance” as used herein should be understood as the characteristic of the first region of the lateral guide element under normally applied load. In particular, it should be understood that buckling or bending of the lateral guide element is not required or desired when using the packaging machine, because the first region of the lateral guide element serves as a guide for straight lines (i.e., not as a bending guide in curved or arc-shaped areas of the transport section).

[0022] In contrast, the second region of the lateral guide element is correspondingly flexibly designed so that the curvature and / or curvature variation of the arc shape of the second region can be variably adjusted at least within a predetermined or determinable region.

[0023] For example, a plastic material with correspondingly flexible properties can be used as the material for the second region of the lateral guide element. For the first region of the lateral guide element, stainless steel is preferred.

[0024] However, it is also possible to consider using other materials for the first and / or second regions of the lateral guide element.

[0025] Preferably, a support is provided between the end region of the first region or the end region of the second region adjacent to the at least one lateral guide element and the end region of the second region or the end region of the first region adjacent to the lateral guide element, so as to mechanically connect the two regions and the corresponding end regions to each other.

[0026] According to the proposed implementation of the support member, the support member is implemented as a sliding support member or a linear support member, and is designed to guide or allow linear movement between the end regions of the first region and the end regions of the second region of the lateral guide element, at least partially along the longitudinal direction of the lateral guide element. This support member, preferably implemented as a sliding support member or a linear support member, preferably has only one degree of freedom (i.e., along the longitudinal direction of the lateral guide element).

[0027] In this regard, it is proposed that the support member be associated with a locking device to selectively and / or as needed prevent movement of the end regions of the first region and the end regions of the second region relative to each other. Such a locking device may be, for example, in the form of a clamp or a screw.

[0028] According to an improved embodiment of the invention, the at least one lateral guide element has a preferably bending-resistant third region, wherein a second region of the lateral guide element is arranged between the first and third regions of the lateral guide element.

[0029] In particular (but not exclusively) in the recently mentioned embodiments, it is preferred that the first and / or third regions of the lateral guide element are equipped with at least one adjustment device, so that, at least in certain areas or portions, the first and / or third regions are adjustable by the at least one adjustment device when viewed relative to the conveying device and perpendicular to the transport direction. In this way, the effective width of the conveying device, viewed perpendicular to the transport direction for conveying products, containers, and / or packaging units, can be variably set.

[0030] Furthermore, at least in certain areas or portions, the longitudinal inclination, curvature, and / or curvature variation of the curved or arched or arc-shaped areas of the transport segment can preferably be variably set, especially in areas that are predetermined or determinable.

[0031] In a recently mentioned improvement of the invention (in which the lateral guide element has a third region in addition to the first and second regions), the end region of the third region can also be connected to the end region of the second region by means of a sliding support or a linear support. However, it is preferred that the end region of the second region be securely connected to the end region of the third region.

[0032] According to a preferred embodiment of the invention, the transport section of the packaging machine is provided with two lateral guide elements of the type described above, which are opposed to each other. These two lateral guide elements are at least partially, and especially independently of each other, adjustable relative to the conveying device and perpendicular to the transport direction, so as to thereby change the effective width of the conveying device used for transporting these products, containers and / or packaging units and / or change the curvature, curvature variation or shape of the curved area of ​​the transport section.

[0033] The present invention is not limited to packaging machines having transport sections that can be selectively or as needed routed in the manner described above. On the other hand, the invention also generally relates to a device for routed transport sections of a packaging machine, wherein the transport section has a conveying device, particularly in the form of a conveyor belt, for conveying products, containers, and / or packaging units along the transport direction. In this case, the route-setting device has at least one lateral guiding element, particularly in the form of a guide rail or guide bar.

[0034] The lateral guide element is adjustable, at least partially or partially, relative to the conveying device and perpendicular to the transport direction, to change the effective width of the conveying device for conveying products, containers, and / or packaging units.

[0035] The routing device according to the invention preferably has two lateral guide elements facing each other, which laterally define the transport section of the packaging machine, and these two lateral guide elements are independently adjustable, at least partially, especially relative to the conveying device and perpendicular to the transport direction, so as to change the effective width of the conveying device for transporting these products, containers and / or packaging units as needed or selectively.

[0036] The at least one or both lateral guide elements of the directional device according to the invention have, or each has, a first region preferably resistant to bending, in which the lateral guide element extends at least substantially linearly. The corresponding lateral guide element also has a second region in which it extends arcuately and serves as a bending guide. The second region of the lateral guide element is at least partially formed of a flexible material (particularly plastic), such that, at least in certain areas or portions, the curvature and / or curvature variation of the arcuate shape of the second region is preferably reversibly and, particularly, at least within a predetermined or determinable region, variably adjustable.

[0037] In particular, it is proposed that the first end region of the first region of the lateral guide element and the end region of the second region of the second guide element are mechanically connected, so that the two end regions are able to move relative to each other in the longitudinal direction of the lateral guide element.

[0038] According to a preferred improvement of the directional device of the present invention, the at least one lateral guide element has a preferably bending-resistant third region, wherein a second region of the lateral guide element is arranged between the first region and the third region of the lateral guide element.

[0039] In this case, preferably, at least one adjusting device is associated with a first region of the lateral guide element and preferably further associated with a third region of the lateral guide element. At least in some regions or portions, the first region and preferably the third region of the lateral guide element are adjustable by the at least one adjusting device relative to the conveying device and perpendicular to the transport direction.

[0040] This method not only allows for adjustment of the curvature, arc shape, and curvature variation of the curved areas of the transport section, but also enables a particularly smooth transition from the straight areas forming the first and third regions of the lateral guide elements to the second arc-shaped area. The invention also relates to a method for routing a transport section of a packaging machine, wherein the transport section has a conveying device, particularly in the form of a conveyor belt, for conveying products, containers, and / or packaging units along the transport direction (preferably along a horizontally extending transport direction).

[0041] In the routing method according to the invention, the aforementioned routing device according to the invention is used to determine the various regions of the transport segment in an optimal manner. In particular, it is proposed that, at least in certain regions or portions, viewed relative to the conveying device and perpendicular to the transport direction, the first and / or third regions of at least one lateral guide element of the routing device are adjusted such that, at least in certain regions or portions, the longitudinal inclination, curvature, and / or curvature variation of at least one curved region or at least one arched or arcuate region of the transport segment is set; and / or at least in certain regions or portions, the effective width of the conveying device, viewed perpendicular to the transport direction, for transporting these products, containers, and / or packaging units is adjusted.

[0042] Exemplary embodiments of the routing device according to the present invention will now be described with reference to the accompanying drawings.

[0043] In the attached diagram:

[0044] Figure 1 An exemplary embodiment of the route-setting device according to the invention is shown schematically and in isometric view of the transport section of the packaging machine.

[0045] Figure 1 A sub-area of ​​transport section 1, a packaging machine or equipment used for packaging and / or handling objects, is shown schematically and in isometric view. The transport section 1 is used to... Figure 1 The direction of transport indicated by the arrow 2 is for transporting or conveying products, containers and / or packaging units.

[0046] If possible Figure 1 As shown in the diagram, the portion of transport segment 1 shown there has an upstream straight area (observed along transport direction 2 or conveying direction 2) and a downstream straight area (also observed along transport direction 2), wherein these two straight areas of transport segment 1 are connected to each other by corresponding curved areas or arched or arc-shaped areas.

[0047] In particular, the curved or arched sections of transport section 1 are adjusted to suit the characteristics and / or size of the products, containers, and / or packaging units to be transported when the packaging machine or system is put into use or when changing products. Special attention is paid to guiding these products, containers, and / or packaging units in a “gentle” manner through the curved or arched sections of transport section 1 during transport to avoid interruptions and / or damage to the products during transport.

[0048] In this regard, particular attention should be paid to the transition from curved or arched / curved areas to straight areas. In this context, it is especially preferable that the transition area is designed as an Euler spiral to ensure a continuous and smooth change in curvature between the straight areas and the circular or arched areas of transport section 1.

[0049] exist Figure 1 The transport section 1 shown in the middle part has a conveyor device 3 in the form of a conveyor belt or conveyor belt (especially in the form of a circulating conveyor belt or conveyor belt), wherein the conveyor device 3 can be associated with... Figure 1 The drive unit for driving the conveyor device 3 is not shown.

[0050] In order to enable transport section 1 to be adjusted for the size and / or characteristics of the products / containers / packaging units to be transported, especially when it is first put into use or when products are changed, Figure 1 The corresponding route-setting equipment 14 is used in the transport section 1 shown in the middle part.

[0051] The routing device 14 has two lateral guide elements 4 facing each other, each of which is at least partially designed as a guide rail or guide bar. These two lateral guide elements 4 define the effective width of the conveyor 3 for conveying products, containers, and / or packaging units in the horizontal direction. In other words, the lateral guide elements 4 function as lateral guide rails.

[0052] It is particularly noteworthy here that each lateral guide element 4 is divided into different regions.

[0053] Specifically, in the routing device 14 according to the present invention... Figure 1 In the schematically illustrated embodiment, each lateral guide element 4 is provided with a first straight region 5, a second arched region 6 connected to the first (straight) region 5, and a third straight region 7 behind the second (arched) region 6.

[0054] The first region 5 and the third (straight) region 7 of the two lateral guide elements 4 are preferably formed of a bending-resistant material, especially stainless steel, and serve as lateral straight guides for the straight sections of the transport section 1. In contrast, the middle second region 6 of each lateral guide element 4 is flexibly designed and, in particular, curved. Due to the flexible properties of the material of the second region 6 of the lateral guide element 4, the curvature, curvature variation, and curvature change of the second region can be variably adjusted.

[0055] For example, the second arcuate region 6 of the lateral guide element 4 can be formed of a corresponding flexible plastic material. However, it is also conceivable that a chain of joints consisting of various bending joints can be used as the second (arc) region 6 of the lateral guide element 4, which are pivotally connected to each other, especially about a vertical axis.

[0056] like Figure 1 As shown, by means of the two lateral guide elements 4, at least in certain areas or portions, the effective width of the conveying device 3, viewed perpendicularly to the transport direction 2, for conveying products, containers, and / or packaging units, can preferably be variably adjusted. This also applies to the curvature and / or curvature variations of the two lateral guide elements 4 in the curved or arc-shaped areas of the transport section 1.

[0057] Specifically, in the routing device 14 according to the present invention... Figure 1 In the schematically illustrated embodiment, it is proposed that, when viewed relative to the conveying device 3 and perpendicular to the transport direction 2, the first region 5 and the third region 7 of the two lateral guide elements 4 are adjustable separately.

[0058] In particular, it is proposed that, on the one hand, when viewed relative to the conveying device 3 and perpendicular to the transport direction 2, the first region 5 and the third region 7 of each individual lateral guide element 4 are independently adjustable.

[0059] On the other hand, it is proposed that when viewed relative to the conveying device 3 and perpendicular to the transport direction 2, the corresponding areas (first area 5 and third area 7) of the two lateral guide elements 4 can also be adjusted independently.

[0060] Therefore, in the routing device 14 according to the present invention Figure 1 In the schematically illustrated embodiment, the first region 5 and the third region 7 of the two lateral guide elements 4 are respectively associated with the corresponding adjustment device 11, by means of which the corresponding first region 5 and second region 7 of the lateral guide elements 4 can be adjusted and set at least in some regions or parts when viewed relative to the conveying device 3 and perpendicular to the transport direction 2.

[0061] like Figure 1 As shown, the corresponding adjustment device 11 may, for example, have a horizontally adjustable retaining plunger 12 connected to one of the regions 5 or 7 of the corresponding lateral guide element 4, and the retaining plunger can be inserted or retracted in the direction of the conveying device 3, i.e. perpendicular to the transport direction 2, so as to position one of the regions 5 or 7 of the corresponding lateral guide element 4 in a suitable manner.

[0062] Here, the corresponding retaining plunger 12 of the adjusting device 11 can be supported in a suitable manner by means of the bracket 13. Furthermore, it is proposed that the corresponding retaining plunger 12 is associated with a locking device 9, in particular in the form of a fastening screw, so as to selectively or as needed fix the set position of the retaining plunger 12.

[0063] It should be noted that, instead of manual adjustment of the corresponding first region 5 and second region 7 of the lateral guide element 4, it is conceivable that the adjustment could be made by means of, for example, at least one suitable stepper motor, with power, especially electric force.

[0064] exist Figure 1 In the embodiments proposed, the end region of the second region 6 of the lateral guide element 4 facing the third region 7 is firmly (e.g. by means of bolts / threaded connectors 10) connected to the corresponding end region of the second region 6 of the third region 7 facing the lateral guide element 4.

[0065] Furthermore, in the illustrated embodiment of the directional device 14 according to the present invention, the end region of the second region 6 of the lateral guide element 4 facing the first region 5 of the lateral guide element 4 is connected to the end region of the first region 5 of the lateral guide element 4 facing the second region 6 of the lateral guide element 4 by means of a support member 8.

[0066] The support 8 is particularly a sliding support or a linear support, which is designed to guide linear movement between the end regions of the first region 5 and the end regions of the second region 6 of the lateral guide element 4, at least partially, in the longitudinal direction of the lateral guide element 4.

[0067] In addition, a locking device 9 is used, which is associated with the support member 8, and is used to selectively or as needed to prevent the end regions of the first region 5 and the end regions of the second region 6 from moving relative to each other.

[0068] In summary, it has been found that, with the aid of the routing device 14 according to the invention, transport segment 1, and especially the curved areas of transport segment 1, can be adjusted for the size and / or characteristics of the product to be transported in an easy-to-implement yet efficient manner.

[0069] This invention is not limited to the routing device 14 according to the present invention. Figure 1 The exemplary implementation shown is derived after taking into account all the features disclosed herein.

Claims

1. A packaging machine for packaging and / or handling objects, the packaging machine having a transport section for conveying products, containers, and / or packaging units along a transport direction, wherein the transport section includes a conveying device having at least one drive unit. In order to determine the route for the transport segment, the effective width of the conveying device for transporting the product, container and / or packaging unit, as viewed perpendicularly to the transport direction, is variably set at least within a predetermined or determinable area; The transport section is designated to be equipped with at least one lateral guide element, which is adjustable at least partially relative to the conveying device and perpendicular to the transport direction to change the effective width of the conveying device; The at least one lateral guide element has a first region that resists bending and a second region, the lateral guide element extending at least linearly in the first region and arcuately in the second region, the second region being at least partially formed of a flexible material, such that the curvature and / or curvature change of the arcuate shape of the second region is reversibly and variablely set at least within a predetermined or determinable region; A support member is provided between the first region and the second region for mechanically connecting the first region and the second region; The support member is configured as a sliding support member or a linear support member and is designed to guide linear movement between the end regions of the first region and the end regions of the second region, at least partially along the longitudinal direction of the lateral guide element. The support member is provided with a locking device to prevent movement of the end regions of the first region and the end regions of the second region relative to each other, depending on selection and / or need.

2. The packaging machine according to claim 1, wherein the transport section extends at least horizontally, and wherein the transport section has at least one curved region or at least one arched or arcuate region, by means of the at least one curved region or the at least one arched or arcuate region, causing the product, container and / or packaging unit to deflect and / or turn in the horizontal direction, wherein, in order to route the transport section, at least in certain areas or portions, the longitudinal inclination, curvature and / or curvature variation of the at least one curved region or the at least one arched or arcuate region of the transport section is variably set at least within a predetermined or determinable area.

3. The packaging machine according to claim 1, The at least one lateral guide element has a bending-resistant third region, wherein the second region of the lateral guide element is disposed between the first region and the third region of the lateral guide element.

4. The packaging machine according to claim 3, wherein the first region and / or the third region of the lateral guide element are provided with at least one adjusting device, and at least in some regions or portions, when viewed relative to the conveying device and perpendicular to the transport direction, the first region and / or the third region are adjustable by means of the at least one adjusting device.

5. The packaging machine according to claim 3, The end region of the second region is firmly connected to the end region of the third region.

6. The packaging machine according to claim 5, The transport section is provided with two lateral guide elements that are opposed to each other, the two lateral guide elements being adjustable at least partially and independently of each other relative to the transport device and perpendicular to the transport direction, to change the effective width of the transport device for transporting the product, container and / or packaging unit.

7. The packaging machine according to claim 1, The conveying device is in the form of a conveyor belt; The at least one lateral guide element is in the form of a guide rail or guide bar; and / or The material mentioned is a plastic material.

8. A method for route determination of a transport section of a packaging machine according to any one of claims 1 to 7, wherein the method comprises the following steps: A device is provided for routing a transport section of a packaging machine, wherein the transport section has a conveying device for conveying products, containers and / or packaging units along a transport direction, and wherein the device has at least one lateral guide element, wherein the at least one lateral guide element has a first bending-resistant region and a second region, wherein the lateral guide element extends at least linearly in the first region and arcuately in the second region, wherein the second region of the at least one lateral guide element is at least partially formed of a flexible material, such that at least in some regions or portions, the curvature and / or curvature change of the arcuate shape of the second region is reversibly and at least within a predetermined or determinable region is variably configurable; The at least one lateral guide element has a bending-resistant third region, wherein the second region is arranged between the first region and the third region, wherein at least in some regions or portions, viewed relative to the conveying device and perpendicular to the transport direction, the first region and / or the third region of the lateral guide element are adjustable; Relative to the conveying device and viewed perpendicularly to the transport direction, the first region and / or the third region are adjusted in at least certain areas or portions such that the longitudinal inclination, curvature, and / or curvature variation of at least one curved region or at least one arched or arc-shaped region of the transport segment is provided in at least certain areas or portions, and / or the effective width of the conveying device for conveying the product, container, and / or packaging unit is provided in at least certain areas or portions when viewed perpendicularly to the transport direction.

9. The method according to claim 8, The end region of the first region of the lateral guide element is connected to the end region of the second region of the lateral guide element, such that linear movement between the end regions of the first region and the end regions of the second region can be achieved at least as needed, wherein movement between the end regions of the first region and the end regions of the second region relative to each other can be selectively and / or prevented as needed.

10. The method according to claim 8, The conveying device is in the form of a conveyor belt; The at least one lateral guide element is in the form of a guide rail or guide bar; and / or The material mentioned is a plastic material.

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