KR102277153B1 - LAS coating sheet - Google Patents

Abstract

The present invention relates to a lithium aluminum silicate (LAS) coating sheet (1). Provided is an LAS coating sheet which is composed by comprising: a core net body (2) based on metal and composed of a net-shaped net body in order to fuse structures (10) based on polyethylene through electric heating generated by receiving electric power; and a sheet main body (3) applied to be stacked on a surface of the core net body (2) and based on an LAS compound so that the LAS compound, which has less contraction by temperature change and is hardly ruptured even in rapid temperature change, is coated to be stacked on a surface of the core net body based on metal, thereby being adequately applied to a thermosetting hot-wire sheet, which is applied when polyethylene-based floating structures on the sea and synthetic resin pipes such as water and sewage pipes are fused. In the LAS coating sheet (1), coating net bodies (4) based on high density polyethylene (HDPE) are applied to be stacked on both surfaces of the sheet main body (3). The LAS coating sheet (1) is cut to have a size suitable for the structures (10). In a state that the LAS coating sheet (1) is arranged between the structures (10) in a parallel manner, electric power is supplied to the core net body (2) to be heated to fuse the structures (10).

Description

LAS coating sheet

In the present invention, a lithium aluminum silicate (LAS) compound is coated and laminated on the surface of a 'core network' made of 'metal', which has little expansion and contraction due to temperature change and hardly ruptures even under rapid temperature change. It relates to an LAS coating sheet that can be suitably applied to a hot wire sheet for heat welding applied when fusing synthetic resin pipes, such as water and sewage pipes, and floating structures made of a material.

Specifically, it relates to an LAS coating sheet capable of securing structural stability by reducing the difference in physical properties between melts when bonding structures made of a polyethylene (PE; PolyEethylene) material through thermal fusion.

More specifically, not only can it be provided economically, but also parallel fusion is possible to improve usability, and in particular, foreign substances or empty spaces between fusion surfaces do not exist during fusion to eliminate the possibility of ignition, so structural safety It relates to an LAS coating sheet to implement.

In general, as one of the methods of joining sewage pipes made of synthetic resins used for purposes such as rainwater pipes, sewage and wastewater pipes, and agricultural water pipes, there is a method of thermal fusion bonding.

This thermal fusion bonding method cannot precisely fusion the two synthetic resin pipes to be connected, so that water or earth pressure causes water leakage, which causes soil contamination, and is very difficult to bond.

On the other hand, in Korean Utility Model Application No. 20-2000-0013260 (Name: Structure of heat-shrinkable pipe for fusion welding of synthetic resin pipe/2000.05.10.), as known in Gonggop, rainwater pipe, wastewater pipe, agricultural water pipe, etc. In connecting both sides of the synthetic resin pipe connecting the upper and lower sewer pipes, the inside of the heat shrinkable pipe is inserted with a shrinkage interval to the outside of the synthetic resin pipe, an adhesive is applied to the inside, and contracted by heating from the outside to fuse the synthetic resin pipe. The structure of a heat-shrinkable tube which is integrally formed by inserting a circular reinforcing wire in a wavy shape and a transverse reinforcing wire in the transverse direction is described.

And in Korea Utility Model Application No. 20-2001-0010452 (name: heat shrinkable sheet for fusion of synthetic resin tube / 2001.04.13.), as is known in Gonggop, in connecting the synthetic resin tube to the butt, the synthetic resin tube A heat-shrinkable reinforcing wire and adhesive are inserted between the upper and lower sheets installed outside the A heat-shrinkable sheet that is fused and contracted by heating is described.

In addition, in Korean Patent Application No. 10-2005-0111852 (Name: Heat-sealable synthetic resin decorative sheet and manufacturing method/2005.11.22.), as is known in the publication, for surface protection and decoration of plastic products An olefinic synthetic resin decorative sheet that is heat-sealed to the surface of a plastic product, wherein the decorative sheet contains 30-100 parts by weight of an elastomer resin in 100 parts by weight of a polypropylene resin, and is continuously manufactured by a calendar method. is described.

In addition, in Korean Patent Application No. 10-2002-0007290 (Name: Forming apparatus and manufacturing method of heat-shrinkable sheet / 2002.02.08.), as is known in the publication, it is connected to the cylinder and guides the transfer guide shafts on both sides. A reinforcing ring supply device in which a reinforcing ring feeder protrudes to the lower side of the feeder, and a circular reinforcing ring is held below the reinforcing ring holder protruding to both sides of the reinforcing ring feeder, and a cylinder transferred to the lower side of the reinforcing ring feeder And a melting device for melting the fixed portion of the working member by installing a heating member at the tip of the hydraulic shaft, and a transfer fixture having a forming groove installed between the stopper positioned below the reinforcing ring supply device, and the transfer fixture A reinforcing ring forming device installed below the cylinder and installed in front of the cylinder, and rotatably connected to the central axis from the front of the forwarding table and installed with a pusher to move the transfer fixture, and installed at the rear of the stopper, A heat-shrinkable sheet forming apparatus is described, which is connected to a fixed shaft and a transfer shaft on an installation table and is composed of a fixing device for pressing and fixing a fixing part by installing a pressing rod in front of a cylinder.

Korean Utility Model Application No. 20-2000-0013260 (2000.05.10.) Korea Utility Model Application No. 20-2001-0010452 (April 13, 2001) Korean Patent Application No. 10-2005-0111852 (2005.11.22.) Korean Patent Application No. 10-2002-0007290 (2002.02.08.)

However, the conventional heat-sealing sheet and its manufacturing apparatus as described above are structurally complicated and thus uneconomical, as well as have a problem in that structural safety is poor, such as an empty space between the structures during welding, and ignition occurs.

In addition, in particular, when bonding structures made of a polyethylene (PE; PolyEthylene) material through thermal fusion, there is a difference in physical properties between melts, and there is a problem in that oral stability is deteriorated.

The present invention has been proposed to solve the problems of the prior art, and the object of the present invention is to reduce the expansion and contraction according to temperature changes on the surface of the 'core network' made of 'metal' and even with rapid temperature changes. LAS (lithium aluminum silicate) compound, which is not easily ruptured, is coated and laminated to provide an LAS coating sheet that can be suitably applied to a heat-sealing hot wire sheet that is applied when fusing synthetic resin tubes made of polyethylene. have.

Another object of the present invention is to provide an LAS coating sheet capable of securing structural stability by reducing the difference in physical properties between melts when bonding structures made of a polyethylene (PE; PolyEthylene) material through thermal fusion. .

Another object of the present invention is that it can be provided economically, and the usability is improved because parallel welding is possible, and in particular, there is no foreign material or empty space between the fusion surfaces during fusion, so that the possibility of ignition is eliminated. , to provide an LAS coating sheet to implement structural safety.

The LAS coating sheet according to the present invention for achieving the object of the present invention as described above is a 'metal' to fusion-bond the structures made of polyethylene (PE) material through electric heat generated by receiving power. a core net body made of a 'network'-shaped 'network' as a material; In the LAS coating sheet comprising; a sheet body laminated on the surface of the core network and made of a LAS (lithium aluminum silicate) compound; On both surfaces of the sheet body, a coating film made of 'High Density Polyethylene (HDPE)' is laminated and applied.

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The LAS coating sheet according to the present invention made as described above is made to fusion-bond the structures made of polyethylene, and as it can be manufactured through a simple operation of gradually bonding by heating, it can be provided economically. Of course, since parallel fusion is possible, the usability is improved.

In addition, LAS (lithium aluminum silicate) compound is coated and laminated on the surface of the core network body to form the sheet body, which has little expansion and contraction due to temperature change and hardly ruptures even under rapid temperature change, resulting in structural stability during thermal fusion. In addition to this, as the coating film made of 'High Density Polyethylene (HDPE)' of the same material as the structure made of the polyethylene material to be bonded is thermally bonded while fusion, it is possible to reduce the difference in physical properties between the melts to ensure structural stability. have a possible effect.

In particular, there is no foreign substance or empty space between the fusion surfaces during fusion, thereby eliminating the possibility of ignition, and thus has the effect of realizing structural safety.

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1 to 4 are schematic views showing an LAS coating sheet according to an embodiment according to the present invention.
5 and 6 are schematic exemplary views showing the operating state of the LAS coating sheet according to the present embodiment.
7 is a schematic illustration showing a manufacturing method for manufacturing the LAS coating sheet according to the present embodiment.
8 and 9 are schematic exemplary views showing a manufacturing apparatus for manufacturing the LAS coating sheet according to the present embodiment.
10 is a schematic exemplary view showing the control state of the manufacturing apparatus for manufacturing the LAS coating sheet according to the present embodiment.

Hereinafter, an LAS coating sheet according to a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shape of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations determined to unnecessarily obscure the gist of the present invention will be omitted.

1 to 6 are views showing an LAS coating sheet 1 according to an embodiment according to the present invention, and the LAS coating sheet 1 according to this embodiment is a floating structure and a capital And in synthetic resin pipes such as sewage pipes, in particular, the structures 10 made of 'polyethylene (PE)' are suitably applied to heat-sealing and bonding them.

The LAS coating sheet 1 according to this embodiment is such that the structures 10 are fusion-bonded through a fusion material that is supplied with power and melted through electric heat.

That is, it is applied to fusion-sealing and contacting the structures 10 to be joined while the fusion material is melted through electric heating through power supplied from the outside.

In the above, the structure 10 may be formed of a 'synthetic resin pipe' or a 'synthetic resin frame' made of 'polyethylene (PE)'.

The LAS coating sheet 1 according to the present embodiment made as described above includes a core network body 2 made of a 'network' shape using 'metal' as a material; It is laminated on the surface of the core network body (2) and is made of a LAS (lithium aluminum silicate) compound.

That is, as the sheet body 3 is laminated on the surface of the core network body 2, the sheet body 3 can be stably disposed, and structural stability can be secured.

In the above, the core network body (2) is made of 'metal' as a material to be supplied with power to generate electricity. to be capable of dissipating heat adapted to melt the sheet body 3 when power is supplied; The material is preferably applied according to the user's selection from among the structures to which the conventionally known technology is applied.

In the above, the seat body 3 is made of an LAS compound; It is preferable to suitably apply according to a user's selection from among the structures to which conventionally known techniques are applied.

That is, as the sheet body 3 is made of a LAS compound, there is little expansion and contraction due to temperature change and hardly ruptures even in a sudden temperature change, so when fusion with the structure 10, foreign substances or between the fusion surfaces Structural safety can be realized by eliminating the possibility of ignition as there is no empty space in it.

In the above, the sheet body 3 is provided while being laminated on both surfaces of the core network body 2, and it is preferable that the core network body 2 is accommodated therein.

In [Table 1] expressed below, the structural deformation state at the time of thermal fusion in the conventional heated wire sheet and the LAS coated sheet 1 according to this embodiment is shown.

Bell
rae

Heat
line
city
tree

example
room
city
Yes


nose
chat
city
tree

That is, upon fusion with the structure 10 , the sheet body 3 has little expansion and contraction according to temperature changes and is hardly ruptured even with rapid temperature changes.

Accordingly, there is no foreign material or an empty space between the fusion surfaces, thereby eliminating the possibility of ignition.

On the other hand, a shear stress test was performed on the thermal fusion state of the LAS coated sheet 1 and the structure 10 according to the present embodiment.

[Table 2] shows the shear stress test results for a test speed of 5 mm/min.

example

room
city
Yes

nose
chat
city
tree

That is, it can be seen that a shear stress of 1.56 MPa is formed for a shear load of 26.19 kN, indicating that the shear stress is relatively good.

And a tensile stress test was performed on the thermal fusion state of the LAS coated sheet 1 and the structure 10 according to this embodiment.

[Table 3] shows the tensile stress test results for a test speed of 5 mm/min.

example

room
city
Yes

nose
chat
city
tree

That is, it can be seen that a tensile stress of 1.42 MPa is formed for a tensile load of 23.85 kN, which shows that the tensile stress is relatively good.

The LAS coated sheet 1 according to this embodiment made as described above is made of the same material as the structures 10 to be bonded, and is laminated on the surface of the sheet body 3 . It is made to further include a; coating film body (4).

That is, the outer surface of the sheet body 3 is coated with a thickness of a size according to the user's selection on the portion (surface) in contact with the structure 10 to protect the sheet body 3 and the structure at the time of fusion. It can be fusion-bonded while in contact with (10).

Accordingly, structural stability can be secured by reducing the difference in physical properties through fusion of the coating film body 4 made of the same material as the structure 10 .

In the above, the coating film body (4) may be applied by heating and pressing to a thickness of 1 to 2 mm on the surface of the sheet body (3); It is preferable to be appropriately applied according to the user's selection.

In the above, the coating film body 4 may be made of 'High Density Polyethylene (HDPE)' as a material.

The coating film body 4 made of such 'high-density polyethylene (HDPE)' is 'high-density polyethylene' and has excellent hardness, mechanical strength, heat resistance, etc. In the case of fusion, it is less susceptible to thermal expansion and contraction during thermal fusion, and structural stability can be further secured.

[Table 4] shows a preferred example of a temperature distribution state for 200 s during thermal fusion of the LAS coated sheet 1 and the structure 10 according to this embodiment.

Heat
Jung
wear
On
Degree
minute
artillery

That is, it is preferable that the core network body 2 has a heat dissipation temperature of approximately 300°C.

The LAS coating sheet 1 according to the present embodiment made as described above may be stored and transported in a state wound on a separate winding roll (not shown) in a state of molding and manufacturing to have a length. ; After being cut to a length selected by the user to be suitable according to the structures 10 made of polyrethylene (PE) material to be joined at the job site and cut to a size to be customized, between the structures 10 In a state in which the core network body (2) is arranged in parallel, by supplying power selected by the user to heat it, the sheet body (3) and the coating film body (4) are melted between the structures (10) to be fusion-bonded can be

At this time, the sheet body 3 having a material characteristic that is less stretched according to temperature change and hardly ruptured even in a sudden temperature change, and the coating film body 4 having the same physical properties as the structures 10 , structurally The structure 10 can be fusion-bonded while securing stability and structural safety at the same time, so that the quality of use can be maximized.

On the other hand, FIG. 7 is a view showing a method of manufacturing an LAS coating sheet according to an embodiment according to the present invention. This is a view for manufacturing the LAS coating sheet 1 according to the present embodiment as described above. In the manufacturing method of the LAS coating sheet according to an embodiment according to the present invention, the core forming the core network body 2 consisting of a 'network' shape 'network' using 'metal' as a material Network formation step (S100) and; A sheet body forming step (S200) of forming the sheet body 3 by thermally pressing and laminating a LAS compound on the surface of the core network body 2 formed through the core network forming step (S100). Wow; Heating 'high-density polyethylene (HDPE)' on the surface of the sheet body 3 in a state in which the sheet body 3 is integrally provided on the surface of the core network body 2 through the sheet body forming step (S200) The coating film body forming step (S300) of forming the coating film body (4) by combining it while pressing and laminating it; may be included.

That is, in the state in which the sheet body 3 is formed on both surfaces of the core network 2 formed through the core network forming step (S100), and the metal LAS is primarily formed, the metal LA When the coating film body 4 is formed on both surfaces of the S (metal LAS) through the coating film body forming step (S300), the manufacturing of the LAS (LAS) coating sheet 1 according to this embodiment is completed.

In the above, the manufacturing process of the core network body 2 is preferably applied according to the user's selection from among the conventionally known techniques.

In the above, when the metal LAS is formed, the compression environment of the sheet body 3 with respect to the core network body 2 depends on the heating conditions suitably applied according to the user's selection among the conventionally known techniques. It is preferable to have a 'heating compression environment' according to the

In the above, it is preferable that the compression environment of the coating film body 4 to the metal LAS is a 'heating compression environment' according to the heating conditions suitably applied according to the user's selection among the conventionally known techniques. Do.

In addition, according to the present invention, the manufacturing method of the LAS coating sheet 1 according to the present embodiment as described above is applied to manufacture the LAS coating sheet 1 according to the present embodiment. An apparatus 100 for manufacturing an LAS (LAS) coating sheet according to an embodiment includes an apparatus body 110; A pair of fixing brackets 120 provided with a gap between the device body 110 and; a movable compression roller 130 rotatably disposed between the fixing brackets 120; a driven crimping roller 140 disposed between the fixed brackets 120 and idlingly disposed at an upper portion with respect to the movable crimping roller 130; a movable motor 150 configured to receive power through the control of the control means 181 to control the power of the power supply unit 180 to generate rotational force; A power transmission member 160 configured to transmit the rotational force generated by the movable motor 150 to the movable compression roller 130 to rotate the movable compression roller 130; may include.

That is, between the movable compression roller 130 and the driven compression roller 140, the sheet body 3 made of a LAS compound is placed on the upper and lower sides of the core network body 2 while overlapping with each other. By performing the sheet body forming step (S200) while being compressed while being pressed through the movable compression roller 130 and the driven compression roller 140 while passing, the metal LAS can be formed. .

At this time, rotational force is generated in the movable motor 150 through the power applied through the control of the control means 181 , and the movable compression roller 130 is rotated through the power transmission member 160 to make the The core network body 2 and the sheet body 3 may be driven while being compressed between the movable compression roller 130 and the driven compression roller 140 .

Accordingly, the metal LAS may be continuously formed while having a length.

In the above power transmission member 160, the movable gear 161 coupled to the rotation shaft of the movable motor 150; a driven gear 162 coupled to the rotation shaft of the movable gear 161; A transmission belt 163 wound around the movable gear 161 and the driven gear 162 to make a circulating motion; may be included.

In the above, the movable gear 161 and the driven gear 162 are made of a 'chain sprocket', and the transmission belt 163 is made of a 'chain belt'; that the power transmission member 160 can be configured to transmit power at a constant speed; The power transmission member 160 is preferably applied according to a user's selection from among the conventionally known technologies.

In the above, the movable compression roller 130 and the driven compression roller 140 may be formed to have a load configured to form a compression load, respectively; It is preferable to be appropriately applied according to a user's selection from among the conventionally known techniques.

On the other hand, in the apparatus 100 for manufacturing a LAS coating sheet according to this embodiment, the apparatus body 110 has the movable compression roller 130 and the driven compression roller 140 supplied between the Each of the core network body 2 and the sheet body 3 may be provided with fixed drums 111 fixed so that each winding roll is rotated and unwound, respectively.

That is, the winding rolls in which the core network body 2 and the sheet body 3 are wound on the fixed drums 111 are respectively fixed, and the movable compression roller 130 and the driven compression roller 140 are respectively fixed. It is released while rotating in the same direction during the rotational movement of the movable compression roller 130 among them, and may be continuously supplied to the space between the movable compression roller 130 and the driven compression roller 140 .

Accordingly, the metal LAS may be continuously formed while having a length.

In addition, the apparatus 100 for manufacturing a LAS coating sheet according to this embodiment is the coating film body in the form of a sheet having the metal LAS and a length in each of the fixing drums 111 . The movable compression roller 130 and the driven compression roller while passing while overlapping the coating film bodies 4 on both surfaces of the metal LAS in a state in which (4) is wound, respectively. It is bonded while being compressed through 140, and the coating film body forming step (S300) is performed to complete the manufacturing operation of the LAS coating sheet 1 according to this embodiment.

That is, through the apparatus 100 for manufacturing a LAS coating sheet according to this embodiment, the sheet body forming step S200 or the coating film body forming step S300 may be selectively performed, respectively.

Accordingly, it is possible to structurally and simply form with respect to the facilities applied to the entire manufacturing process, it is possible to realize economic benefits.

The apparatus 100 for manufacturing a LAS coating sheet according to this embodiment made as described above is provided in the movable compression roller 130 and the driven compression roller 140, respectively, and the control means 181 is controlled The core network body or the metal while heating the sheet body 3 or the coating film body 4 passing between the movable compression roller 130 and the driven compression roller 140 by receiving power through It further comprises a; heating means 170 to be heat-compressed to the LAS.

That is, the movable compression roller 130 and the driven compression roller 140 are connected to the sheet body 3 or the seat body through the heating means 170 that receives power through the control of the control means 181 and generates heat. While heating the coating film body (4), it is heat-compressed to the core network body (2) or the metal LAS.

Accordingly, according to the applied process, the metal LAS may be primarily manufactured, as well as the LAS coating sheet 1 according to the present embodiment may be manufactured.

In the apparatus 100 for manufacturing a LAS coating sheet according to the present embodiment made as described above, the fixing brackets 120 have the driven compression roller 140 idling while adjusting the vertical position. A shaft-coupled adjustment member 121 may be provided.

That is, by adjusting the vertical position of the driven compression roller 140 by adjusting the adjustment member 121 according to the user's selection, the interval between the movable compression roller 130 and the movable compression roller 130 can be selectively adjusted.

Accordingly, the metal LAS having a thickness selected by the user and/or the LAS coating sheet 1 according to the present embodiment can be individually molded and manufactured, so that the quality of use can be improved.

In the above adjustment member 121, each of the fixing brackets 120, each having a vertical length and provided with guide holes; Adjusting bodies 122 which are vertically movably bound to the guide holes and both ends of the driven compression roller 140 are shaft-coupled to each other; each of the nut tubes provided while having a vertical length with respect to the adjustment body 122; Each of the adjusting screw rods screwed to the nut tubes and axially coupled to the fixing bracket 120 to be idling; may be included.

That is, when the adjustment screw rod is rotated forward and reverse according to the user's selection, the position of the adjustment body 122 can be adjusted vertically in each of the guide grooves according to the screw movement with the nut tubes.

Accordingly, it is possible to selectively adjust the interval between the movable compression roller 130 according to the user's selection.

One embodiment of the present invention described above is merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

1: LAS coating sheet 10: structure
100: LAS coating sheet manufacturing apparatus
110: device body 111: fixed drum
120: fixing bracket 121: adjusting member
122: adjustment body 130: movable compression roller
140: driven compression roller 150: movable motor
160: power transmission member 161: movable gear
162: driven gear 163: transmission belt
170: heating means 180: power supply
181: control means 2: core network body
3: sheet body 4: coating film body

Claims (3)

A core net body (2) made of a 'net'-shaped 'net' with 'metal' as a material to fusion-bond the structures 10 made of polyethylene (PE) through electrical heat generated by receiving power (2) Wow; In the LAS coating sheet (1) comprising; a sheet body (3) laminated on the surface of the core network body (2) and made of a LAS (lithium aluminum silicate) compound;
On both surfaces of the sheet body 3,
The coating film body 4 made of 'High Density Polyethylene (HDPE)' is laminated and applied;
After being cut to a size tailored according to the structures 10, power is supplied to the core network body 2 in a state arranged in parallel between the structures 10 to generate heat to generate the structures 10 LAS coated sheet, characterized in that it is fusion-bonded. delete delete

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