WO2010058894A2 - Pallet for sandwich panel and roll forming apparatus - Google Patents
Pallet for sandwich panel and roll forming apparatus Download PDFInfo
- Publication number
- WO2010058894A2 WO2010058894A2 PCT/KR2009/004557 KR2009004557W WO2010058894A2 WO 2010058894 A2 WO2010058894 A2 WO 2010058894A2 KR 2009004557 W KR2009004557 W KR 2009004557W WO 2010058894 A2 WO2010058894 A2 WO 2010058894A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- iron plate
- bending
- bent
- roll forming
- forming
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 72
- 229910052742 iron Inorganic materials 0.000 claims description 36
- 238000005452 bending Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 238000004581 coalescence Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
Definitions
- Figure 4 is a front view showing a state in which the bent portion of the iron plate supplied to the coalescence roller
- 11 is a side view showing the bent portion fixing means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
본 발명은 건축용 샌드위치패널에 사용되는 팔레트의 표면에 다양한 형태의 굴곡을 형성하여 심미감을 향상시키도록 하는 팔레트의 상형방법과 롤포밍장치에 관한 것으로, 더욱 상세하게는 각기 다른 철판 2장 또는 그 이상을 연결하여 롤포밍 성형할 수 있도록 한 샌드위치패널용 팔레트와 이를 성형하는 롤포밍장치에 관한 것이다.The present invention relates to a method for forming a pallet and a roll forming apparatus to improve aesthetics by forming various types of bends on a surface of a pallet used for a sandwich panel for construction, and more particularly, two or more different iron plates. The present invention relates to a sandwich panel pallet and a roll forming apparatus for forming the same.
일반적으로 샌드위치패널은, 금속제 철판을 높낮이와 폭이 다른 다양한 형태로 굴곡 성형하여서 된 팔레트 두 장 사이에 단열재 및 흡음재 등을 충진하여 일체화한 것이다.In general, a sandwich panel is integrated by filling a heat insulating material and a sound absorbing material between two sheets of pallets formed by bending a metal iron plate in various forms having different heights and widths.
상기한 샌드위치패널의 경우, 팔레트에 심미감을 가미하기 위하여 다양한 굴곡부를 형성하게 되는데, 통상적으로 굴곡부가 형성된 상하 한 쌍의 포밍로울러 다수 설치하여서 된 롤포밍장치를 이용하여 다양한 형태의 굴곡무늬를 가진 팔레트를 성형하고 있다. 상기한 종래의 롤포밍장치는, 한 대의 언코일러에 적재된 철판코일을 이송받아 연속적으로 롤포밍 가공하도록 된 것으로, 일정한 규격으로 생산되는 철판코일에 의해 정해진 폭을 가진 팔레트만을 가공할 수 있도록 구성되어 있는 것이다.In the case of the sandwich panel, a variety of bends are formed in order to add aesthetics to the pallet, and a pallet having a variety of bend patterns is formed by using a roll forming apparatus in which a plurality of upper and lower pairs of forming rollers are formed. Molding. The conventional roll forming apparatus is configured to continuously roll-form a sheet metal coil loaded on one uncoiler, and to process only a pallet having a predetermined width by a sheet metal coil produced to a certain standard. It is.
상기한 종래의 롤포밍장치는 폭 1m 가량의 정해진 규격을 가진 팔레트를 가공하고, 이들을 샌드위치패널로 성형한 후 일정한 길이로 절단하여 완성된 샌드위치패널을 생산하며, 이들을 고정나사 등을 이용하여 프레임에 고정함으로써 연결하도록 하는 것이다.The conventional roll forming apparatus processes a pallet having a predetermined size having a width of about 1 m, forms them into a sandwich panel, and cuts them to a constant length to produce a finished sandwich panel, and attaches them to the frame using fixing screws. It is to be connected by fixing.
따라서, 종래의 롤포밍장치에 의해 제조되는 샌드위치패널은 항상 동일한 규격으로 제작되게 마련이고, 그 폭을 확장하여 제조할 수 없는 한계와 단일의 색상만을 가진 팔레트를 제작게 되는 한계를 가지게 되는 것이다.Therefore, the sandwich panel manufactured by the conventional roll forming apparatus is always made to be manufactured to the same standard, and has a limit that cannot be manufactured by expanding its width and producing a pallet having only a single color.
이러한 한계는, 롤포밍성형된 팔레트를 이용하여 제조된 샌드위치 패널이 장착되는 건물의 외벽이나 실내, 칸막이로 사용되는 경우에는 한 장의 샌드위치패널을 연결하기 위한 연결프레임이 필수적으로 구비되어야 하며, 이 연결프레임에 고정하기 위한 나사못이 외부로 노출되는 등 디자인적인 심미감이 저하되고, 이 샌드위치패널의 설치에 많은 시간과 전문인력을 필요로 하게 되는 문제점들이 발생하였던 것이다.This limitation requires that a connection frame for connecting a single sandwich panel is essential when used as a partition, an interior wall or a partition of a building where sandwich panels manufactured using roll-formed pallets are used. The design aesthetics are deteriorated, such as the screws for fixing to the frame is exposed to the outside, and the problems that require a lot of time and professional personnel to install the sandwich panel.
본 발명은 상기한 바와 같은 문제점을 해결하기 위한 것으로, 일정한 규격으로 제공되는 철판을 다양한 굴곡을 가진 팔레트로 롤포밍 성형하되, 정해진 규격과 단일의 색상 한계를 극복하여 다양한 폭과 각기 다른 색상을 가진 팔레트를 제조 및 성형할 수 있도록 하는 것을 목적으로 하는 것이다.The present invention is to solve the problems as described above, roll forming the iron plate provided in a certain standard with a variety of bends, but with various widths and different colors by overcoming a predetermined standard and a single color limitation It is an object to be able to manufacture and shape a pallet.
본 발명의 다른 목적은, 각기 다른 색상을 가진 철판을 이용하여 롤포밍 성형된 샌드위치패널을 얻을 수 있는 롤포밍장치를 제공하는 것을 목적으로 한다.Another object of the present invention is to provide a roll forming apparatus which can obtain a sandwich panel roll-formed using iron plates having different colors.
상기한 목적을 해결하기 위한 본 발명은, 한 대의 롤포밍장치에 두 장 또는 그 이상의 철판을 롤포밍 가공하여 팔레트를 성형할 수 있도록 하며, 롤포밍 성형된 각각의 팔레트 일단에 연결부를 형성하는 연결부 형성수단과, 이 연결부를 합체하여 고정하는 고정수단을 제공하여 해결하고자 하는 것이다.The present invention for solving the above object, to form a pallet by roll forming a sheet or two or more iron plate in one roll forming apparatus, the connection portion for forming a connection portion on each end of the roll-formed pallet It is intended to provide a forming means and a fixing means for coalescing and fixing the connecting portion.
상기한 본 발명에 의해 제조되는 샌드위치패널용 팔레트는, 하나의 롤포밍 장치에서 다양한 폭을 가진 팔레트의 롤포밍 성형할 수 있는 특징이 있으며, 하나의 샌드위치패널에 각기 다른 색상을 가진 팔레트를 제공함으로써 디자인적인 심미감도 향상시킬 수 있는 특징이 있는 것이다.Sandwich panel pallets produced by the present invention is characterized in that the roll forming of the pallet having a variety of widths in one roll forming apparatus, by providing a pallet having a different color in one sandwich panel There is also a feature that can improve the design aesthetics.
또한, 넓은 면적에 샌드위치패널을 장착하게 되는 경우, 장착 시공시간을 단축할 수 있는 효과도 부가적으로 얻을 수 있는 것이다.In addition, when the sandwich panel is mounted on a large area, the effect of shortening the installation time can be additionally obtained.
도 1은 본 발명의 롤포밍장치에 의해 성형된 팔레트의 사시도1 is a perspective view of a pallet formed by the roll forming apparatus of the present invention
도 2는 본 발명의 롤포밍장치를 나타낸 측면도Figure 2 is a side view showing a roll forming apparatus of the present invention
도 3은 철판에 절곡부를 성형하는 상태를 나타낸 정면도3 is a front view showing a state of forming a bent portion on the iron plate
도 4는 철판의 절곡부가 합체로울러에 공급된 상태를 나타낸 정면도Figure 4 is a front view showing a state in which the bent portion of the iron plate supplied to the coalescence roller
도 5는 철판의 절곡부를 가압하여 고정하는 상태를 나타낸 정면도5 is a front view showing a state of fixing by pressing the bent portion of the iron plate.
도 6, 7, 8은 절곡부를 성형하는 과정을 단계별로 나타낸 정면도6, 7, 8 is a front view showing the step of forming the bent portion step by step
도 9는 절곡부의 확대단면도9 is an enlarged cross-sectional view of the bent portion;
도 10은 도 5의 A-A선 단면도로서, 가압 고정된 상태를 나타낸 단면도FIG. 10 is a cross-sectional view taken along the line A-A of FIG. 5, showing a pressure-fixed state
도 11은 절곡부 고정수단을 나타낸 측면도11 is a side view showing the bent portion fixing means
도 12는 본 발명의 롤포밍성형공정 순서를 나타낸 순서도12 is a flow chart showing a roll forming process sequence of the present invention.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
S1 : 철판공급공정 S2 : 포밍공정S1: Iron plate supply process S2: Forming process
S3 : 절단공정 SP1 : 절곡포밍공정S3: Cutting Process SP1: Bending Forming Process
SP2 : 절곡부 합체공정 SP3 : 절곡부 고정공정SP2: Bend Consolidation Process SP3: Bend Consolidation Process
U1, U2 : 언코일러 C1, C2 철판코일U1, U2: Uncoiler C1, C2 iron plate coil
1, 1a : 철판 3, 3a : 절곡부1, 1a: iron plate 3, 3a: bend
4, 4a : 절곡성형부 5 : 베이스4, 4a: bending part 5: base
6 : 가이드 10, 10a : 롤포밍기6: guide 10, 10a: roll forming machine
11, 11a, 12, 12a : 포밍로울러11, 11a, 12, 12a: forming roller
14 : 합체요홈 15 : 힙체로울러14: union home 15: hip roller
21, 21' : 가압로울러 22 : 프레임21, 21 ': Pressing roller 22: Frame
23 : 기판 24 : 압축실린더23 substrate 24 compression cylinder
Claims (4)
- 코일의 형태로 권취된 철판을 공급하는 철판공급공정(S1);과,Iron plate supplying step (S1) for supplying the iron plate wound in the form of a coil; And,공급된 철판을 포밍로울러로 가압하여 요철무늬를 가진 철판으로 성형하는 롤포밍공정(S2);과,A roll forming process (S2) of pressing the supplied iron plate with a forming roller to form an iron plate having an uneven pattern; and철판을 일정한 규격으로 절단하는 절단공정(S3);으로 제조되는 샌드위치패널용 팔레트 제조방법에 있어서, In the manufacturing method of the sandwich panel pallet produced by the cutting step (S3) for cutting the iron plate to a certain standard,상기 철판공급공정(S1)은, 철판이 권취된 철판코일을 2개 또는 그 이상으로 공급하도록 하되, 상·하로 구분하여 공급하도록 하며,In the iron plate supplying step (S1), two or more iron plate coils wound around the iron plate are to be supplied.상기 롤포밍공정(S2)에는, 공급된 철판을 포밍로울러로 가압하여 요철무늬를 가진 철판으로 성형함과 동시에, 철판의 일단부 또는 양단부를 "∩"형으로 절곡하여 절곡부를 형성하는 절곡롤포밍공정(SP1);과,In the roll forming step (S2), press the supplied iron plate with a forming roller to form an iron plate having a concave-convex pattern, and at the same time bending the end or both ends of the iron plate in a "∩" shape to form a bending roll forming Step SP1; and"∩"형으로 절곡된 각 철판의 절곡부를 합체하여 결합하는 절곡부합체공정(SP2);과,A bending unit coalescing step (SP2) of combining and bending the bent portions of each iron plate bent in a "∩" shape; and합체된 철판의 절곡부를 가압하여 연결 고정하도록 하는 절곡부 고정공정(SP3);을 더 부가하여, 2장 이상의 철판에 요철무늬를 성형함과 동시에 측단을 서로 연결하여 고정한 것을 특징으로 하는 샌드위치패널용 팔레트.For the sandwich panel, characterized in that the bent portion fixing step (SP3) to press the bent portion of the combined iron plate to fix the connection; palette.
- 제 1항에 있어서,The method of claim 1,상기 2장 이상의 철판은 각기 다른 색상을 가진 것을 특징으로 하는 샌드위치패널용 팔레트.The two or more iron plate is a sandwich panel pallet, characterized in that different colors.
- 철판코일(C1)을 장착하여 서서히 공급하도록 된 언코일러(U1);와,Uncoiler (U1) to be supplied slowly by mounting the iron plate coil (C1); And,공급된 철판(1)을 후방으로 이송시키면서 순차적으로 절곡 성형하는 다수의 포밍로울러(11)를 구비한 롤포밍기(10);와, A roll forming machine 10 having a plurality of forming rollers 11 which are sequentially bent and formed while transferring the supplied iron plate 1 to the rear; and롤포밍 성형된 철판(1)을 일정한 길이로 절단하는 절단기(도시되지 않음)로 구성된 통상의 롤포밍장치에 있어서,In a conventional roll forming apparatus composed of a cutter (not shown) for cutting a roll-formed iron plate 1 into a predetermined length,각기 다른 철판코일(C1)(C2)를 장착하여 공급하는 2대 또는 그 이상의 언코일러(U1)(U2)를 더 구비하고, Further provided with two or more uncoilers (U1) (U2) for mounting and supplying different iron plate coils (C1) (C2),상기 언코일러(U1)(U2)에서 공급되는 각각의 철판(1)(1a)을 분배하는 철판공급부(2)를 구비하되,Is provided with an iron plate supply unit (2) for distributing each iron plate (1) (1a) supplied from the uncoiler (U1) (U2),상기 롤포밍기(10)는, 철판(1)(1a)에 요철무늬를 성형함과 동시에, 철판(1)(1a)의 일단 또는 양단부에 "∩"형의 절곡부(3)(3a)를 형성하는 절곡롤포밍수단; 을 더 구비하고,The roll forming machine 10 forms an uneven pattern on the iron plate 1, 1a, and at the one or both ends of the iron plate 1, 1a, the bent portion 3 (3a) Bending roll forming means for forming a; Further provided,"∩"형으로 절곡된 절곡부(3)(3a)를 합체로울러(13)를 통과시켜 어느 하나의 절곡부(3)에 다른 절곡부(3a)가 삽입되도록 하는 절곡부합체수단; 과,Bending unit union means for allowing the other bending portion 3a to be inserted into one of the bending portions 3 by passing the bending portions 3 and 3a bent in a “∩” shape through the coalescence roller 13; and,합체된 절곡부(3)(3a)를 수평으로 양측에서 가압하도록 가압로울러(21)(21')를 배치하여, 상기 절곡부(3)(3a)를 긴밀하게 압착하여 고정하는 절곡부 고정수단; 을 더 추가하며,Bending part fixing means for arranging the pressing rollers 21 and 21 'to press the combined bent parts 3 and 3a horizontally on both sides, and to press and close the bent parts 3 and 3a. ; Add more,상기 절곡롤포밍수단은, 다수의 포밍로울러(11)(12)를 상하에 다단으로 구비하되, 이 포밍로울러(11)(12)에는, 일측단 또는 양 측단에 "∩"형의 절곡부(3)(3a)를 성형하기 위한 절곡성형부(4)(4a)를 구비하되,The bending roll forming means is provided with a plurality of forming rollers (11, 12) in multiple stages up and down, the forming rollers (11) (12), a bent portion of the "형" type on one side or both ends ( 3) having a bent portion (4) (4a) for molding (3a),상기한 포밍로울러(11)(12)에 형성되는 절곡성형부(4)(4a)는, 다수의 포밍로울러(4)(4a)가 조금씩 절곡하도록 순차적으로 절곡각도(θ)가 증가되어 최종적으로 직각을 이루도록 구성하고,The bending molded parts 4 and 4a formed in the forming rollers 11 and 12 sequentially increase the bending angle θ so that the plurality of forming rollers 4 and 4a are bent little by little. To be right angles,상기 절곡부합체수단은, 각각의 철판(1)(1a)이 진입하여 안착하는 기판(13)과, 이 기판(13)의 상측에 중앙에 합체요홈(14)을 형성한 합체로울러(15)를 배치하여 구성한 것으로, 포밍로울러(11)(12)를 통과하면서 "∩"형으로 절곡된 각 철판(1)(1a)의 일단 또는 양단 절곡부(3)(3a)를 상하로 배열하여 합체함으로써, 큰 직경으로 성형된 절곡부(3)에 작은 직경으로 성형된 절곡부(3a)가 삽입되어 합체되게 되고, 합체로울러(15)에 형성된 합체요홈(14)를 통과하면서 안정적으로 합체상태를 유지하면서 이송토록 하며,The bending joint unit includes a substrate 13 on which each iron plate 1 (1a) enters and sits, and a coalescing roller (15) having a union groove (14) formed on the center of the substrate (13). And one end or both ends of the bent portion (3) (3a) of each iron plate (1) (1a) bent in a "형" shape while passing through the forming roller (11) (12), arranged up and down As a result, the bent portion 3a formed into the small diameter is inserted into the bent portion 3 formed into the large diameter and coalesced, and the state of coalescence is stably maintained while passing through the union groove 14 formed in the coalescence roller 15. To keep it moving,상기 절곡부 고정수단은, 한 쌍의 가압로울러(21)(21')를 압축실린더(24)에 의해 승강 작동하도록 장착된 프레임(22)에 자유 회동 가능하게 축착하되, 한 쌍의 가압로울러(21)(21')는 소정의 진입간격(t)을 이격하여 고정하고, 이 진입간격(t)으로 철판(1)(1a)의 절곡부(3)(3a)를 진입시키고, 양 측벽을 압착하여 고정하도록 한 것을 특징으로 샌드위치패널용 팔레트 롤포밍장치.The bent portion fixing means, the pair of pressure rollers (21) (21 ') freely rotatable on the frame 22 mounted so as to lift and operate by the compression cylinder 24, a pair of pressure rollers ( 21 and 21 'are fixed at a predetermined entry interval t, and the bent portions 3 and 3a of the iron plate 1 and 1a are entered into the entry interval t, and both sidewalls are closed. Sandwich panel pallet roll forming apparatus characterized in that the crimping and fixing.
- 제 3항에 있어서,The method of claim 3, wherein상기 가압로울러(21)(21')는, 외주연부에 기어부(21a)(21a')를 형성한 것을 특징으로 하는 샌드위치패널용 팔레트 롤포밍장치The press rollers 21 and 21 'are formed on the outer circumferential edge of the roller roll forming apparatus for a sandwich panel, characterized in that the gear parts 21a and 21a' are formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080115504A KR100906106B1 (en) | 2008-11-20 | 2008-11-20 | Palette that is used in a sandwich panel molding methods and rolpoming device rolpoming |
| KR10-2008-0115504 | 2008-11-20 |
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| Publication Number | Publication Date |
|---|---|
| WO2010058894A2 true WO2010058894A2 (en) | 2010-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2009/004557 WO2010058894A2 (en) | 2008-11-20 | 2009-08-14 | Pallet for sandwich panel and roll forming apparatus |
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| Country | Link |
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| KR (1) | KR100906106B1 (en) |
| WO (1) | WO2010058894A2 (en) |
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| CN107825138A (en) * | 2017-10-31 | 2018-03-23 | 天津贵和鸿兴钢结构工程有限公司 | Streamline for chromatic steel sandwich plate production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100952954B1 (en) | 2009-07-30 | 2010-04-15 | 주식회사 엠케이중공업 | Equipment for producing dual type corrugation pipes |
| KR101213214B1 (en) * | 2011-02-16 | 2012-12-18 | 에스와이패널 주식회사 | Sandwich panel |
| KR101137593B1 (en) * | 2011-07-22 | 2012-04-19 | 유복선 | Apparatus for roll forming of palette using sandwitch panel and manufactured palette for sandwitch panel by that |
| KR101979339B1 (en) * | 2019-01-03 | 2019-05-15 | 주식회사 호남스틸 | Apparatus and method for manufacturing corrugated steel pipe with double layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS56114532A (en) | 1980-02-15 | 1981-09-09 | Matsushita Electric Works Ltd | Roll forming method |
| JPH0577987A (en) * | 1991-09-17 | 1993-03-30 | Sanwa Shutter Corp | Switching structure for roll material in roll molding line |
| KR200314633Y1 (en) | 2003-02-20 | 2003-05-27 | 윤석규 | a manufacturing apparatus of noise absorption panel |
| JP2007107380A (en) * | 2006-12-01 | 2007-04-26 | Tsuka Kanamono Kk | Steel hollow material and its manufacturing system |
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| CN107825138A (en) * | 2017-10-31 | 2018-03-23 | 天津贵和鸿兴钢结构工程有限公司 | Streamline for chromatic steel sandwich plate production |
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