WO2019216659A1 - Dispositif de correction d'angle - Google Patents

Dispositif de correction d'angle Download PDF

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Publication number
WO2019216659A1
WO2019216659A1 PCT/KR2019/005546 KR2019005546W WO2019216659A1 WO 2019216659 A1 WO2019216659 A1 WO 2019216659A1 KR 2019005546 W KR2019005546 W KR 2019005546W WO 2019216659 A1 WO2019216659 A1 WO 2019216659A1
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WO
WIPO (PCT)
Prior art keywords
support
angle
fastening
support plate
plate
Prior art date
Application number
PCT/KR2019/005546
Other languages
English (en)
Korean (ko)
Inventor
임재철
Original Assignee
(주)경남금속
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)경남금속 filed Critical (주)경남금속
Priority to PL432498A priority Critical patent/PL432498A1/pl
Publication of WO2019216659A1 publication Critical patent/WO2019216659A1/fr

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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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
    • 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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means

Definitions

  • the present invention relates to an angle correction device, and more particularly to an angle correction device that can correct the error of the angle, in order to satisfy the squareness of the final product.
  • An object of the present invention is to provide an angle correction device that can correct the error of the angle, in order to satisfy the squareness of the final product.
  • the present invention includes a first mold; A second mold part located in correspondence with the first mold part and moving in shanghai; And an angle correction portion positioned between the first mold portion and the second mold portion, wherein the angle correction unit comprises: a fixed support; A movable support positioned on the other side of the fixed support and moving along a surface of the lower plate; One side is supported by the fixed support, the other side is supported by the movable support; An angular support plate fastened to the support part; And an urging body disposed spaced apart from the inclination support plate at a predetermined interval and positioned above the inclination support plate.
  • the angle correction portion of the present invention further comprises a lower plate, the fixing support is fixed to one side of the lower plate, the first mold portion includes a first base plate, the second mold portion is a second And a base plate, wherein the lower plate is fastened to the first base plate, and the pressing body is fastened to the second base plate.
  • variable support plate is a first support plate; And a second support plate which is hinged to the first support plate and pivots with the first support plate at a predetermined angle.
  • the present invention the support portion, the body portion of the bar shape; A first fastening hole positioned in the first predetermined region of the body portion; A second fastening hole positioned in a second predetermined region of the body portion; A first inclined surface positioned on one side surface of the body portion and formed along a longitudinal direction of the body portion; And a second inclined surface disposed on the other side of the body portion and formed along the longitudinal direction of the body portion, wherein an angle formed by the first inclined surface and the second inclined surface is a right angle or an obtuse angle. to provide.
  • the present invention further includes a fastening member for fastening the deflection support plate to the supporting part, wherein the fastening member comprises: a first fastening part; A second fastening part spaced apart from the first fastening part at a predetermined interval; And a hinge shaft connecting the first fastening portion and the second fastening portion, wherein the first fastening portion includes: a fastening member first body; A first elastic member connected to a lower portion of the fastening member first body; A first fixing plate connected to a lower portion of the first elastic member, and wherein the second fastening part comprises: a fastening member second body; A second elastic member connected to a lower portion of the fastening member second body; It provides an angle correction device comprising a second fixing plate connected to the lower portion of the second elastic member.
  • first support plate is fastened to the hinge shaft
  • second support plate is fastened to the hinge shaft, so that the first support plate and the second support plate are mutually based on the hinge axis.
  • the first fixing plate is bottom surface of the support part while the first fixing plate is rotated and the first fixing plate is inserted into the first fastening hole located at a part of the first member of the fastening member and the first elastic member.
  • the second fixing part is coupled to a first area, and a part of the second body of the fastening member and the second elastic member are inserted into the second fastening hole located in the second predetermined area of the support part.
  • the plate is coupled to the bottom second area of the support, thereby providing an angle correcting device, characterized in that the first fastening portion and the second fastening portion of the fastening member is coupled to the supporting portion.
  • the angle correction unit further comprises a moving means for moving the movable support
  • the fixed support includes a seating groove located in the upper predetermined area of the fixed support, one side of the support portion is In the state inserted into the seating groove, one side of the supporting portion is supported by the fixed support, the lower surface of the other side of the supporting portion in contact with the upper surface of the movable support, the other side of the supporting portion by the movable support It provides an angle correction device characterized in that the support.
  • the first support plate of the variable support plate when a predetermined angle formed between the surface and the surface of the mono frame is made at an acute angle, by opening the angle formed by the first support plate and the second support plate at a right angle or obtuse angle, the first support plate of the variable support plate The angle of the inner surface of the mono frame in contact with the upper surface of the upper surface and the upper surface of the second support plate can be corrected.
  • FIG. 1 is a schematic perspective view showing an example of a product according to the present invention.
  • Figure 2 is a combined perspective view showing an angle correction device according to the present invention
  • Figure 3 is an exploded perspective view showing an angle correction device according to the present invention
  • Figure 4 is a front view showing an angle correction device according to the present invention
  • 5 is a rear view showing the angle correction device according to the present invention.
  • FIG. 6 is an exploded perspective view showing the angle correction according to the present invention.
  • Figure 8 is a perspective view for explaining a state in which the other side of the support according to the present invention is supported on the movable support.
  • FIG. 9 is a perspective view for explaining the variable angle support plate according to the present invention
  • Figure 10 is a perspective view for explaining a fastening member according to the present invention.
  • Fig. 11 is a top perspective view showing the base according to the present invention
  • Fig. 12 is a bottom perspective view showing the base according to the present invention
  • Fig. 13 is a bottom view showing the base according to the present invention
  • Fig. 14 is the present invention. It is a top view which shows the support part which concerns on.
  • 15 to 18 are views for explaining the operation of the angle correction device according to the present invention.
  • 19 to 21 are views for explaining the principle of the angle correction by the angle correction device according to the present invention.
  • first, second, etc. are used to describe various components, these components are of course not limited by these terms. These terms are only used to distinguish one component from another. Therefore, of course, the first component mentioned below may be a second component within the technical spirit of the present invention.
  • spatially relative terms below “, “ beneath “, “ lower”, “ above “, “ upper” It can be used to easily describe a component's correlation with other components. Spatially relative terms are to be understood as including terms in different directions of components in use or operation in addition to the directions shown in the figures. For example, when flipping a component shown in the drawing, a component described as “below” or “beneath” of another component may be placed “above” the other component. Can be. Thus, the exemplary term “below” can encompass both an orientation of above and below. The components can be oriented in other directions as well, so that spatially relative terms can be interpreted according to the orientation.
  • FIG. 1 is a schematic perspective view showing an example of a product according to the present invention.
  • the product 10 corresponds to a mono frame, and may be configured in the form of a square barrel in which four surfaces 11, 12, 13, and 14 are continuously positioned. Can be.
  • the mono frame may be configured in the form of a square cylinder.
  • the mono frame may be formed at a point at which each surface meets a surface, for example, at a point 15 at which the second surface 12 and the third surface 13 meet each other. 12) and a predetermined angle between the third surface 13 is present.
  • the predetermined angle is generally designed to correspond to 90 °, that is, the degree of squareness, but in the process of manufacturing the product, the predetermined angle is produced at an acute angle smaller than 90 °.
  • an angle correction device in order to satisfy the squareness of the final product, such as a mono frame, to provide an angle correction device, more specifically, an acute angle correction device for correcting the angle error of the final product.
  • Figure 2 is a combined perspective view showing an angle correction device according to the present invention
  • Figure 3 is an exploded perspective view showing an angle correction device according to the present invention
  • Figure 4 is a front view showing an angle correction device according to the present invention
  • 5 is a rear view showing the angle correction device according to the present invention.
  • the angle correction device 100 is located in correspondence with the first mold part 110 and the first mold part 110, and is located in Shanghai-dong (Z of FIG. 2).
  • Direction includes a second mold portion 120.
  • the second mold part may be located in an upper region of the first mold part, but the present invention restricts the positional relationship between the first mold part and the second mold part.
  • the angle correction device 100 may include a gap retainer 20 for maintaining the interval between the first mold portion 110 and the second mold portion 120, the second mold The part 120 may move in the direction of the first mold part 110 along the gap retainer 20.
  • the movement of the second mold part 120 may be defined as moving in the height direction (Z direction of FIG. 2) of the angle correction device 100.
  • first mold part 110 includes a first base plate 111
  • second mold part 120 includes a second base plate 121
  • the gap retainer 20 One end may be fastened to the first base plate 111, and the other end of the spacer 20 may be fastened to the second base plate 121.
  • the angle correction device 100 may include an angle correction unit positioned between the first mold part 110 and the second mold part 120. 200).
  • the angle correction unit 200 may correct an angle error of a final product such as a mono frame.
  • the angle correction unit 200 the lower plate 260; A fixed support 210 fixed to one side of the lower plate; A movable support 220 positioned on the other side of the fixed support 210 and moving along a surface of the lower plate; One side is supported by the fixed support 210, the other side is supported by the movable support 220 230; An inverted support plate 240 fastened to the support part 230; And a press body 250 disposed to be spaced apart from the variable support plate 240 at a predetermined interval and positioned above the variable support plate 240.
  • the fixed support 210 and the movable support 220 may be disposed long in the longitudinal direction (X direction of Fig. 2) of the angle correction device 100, the support 230 is the angle correction
  • the device 100 may be disposed to be long in the width direction (the Y direction in FIG. 2).
  • the movable support 220 moves along the surface of the lower plate, and thus, the angle corrector 200 moves the movable means 221 for moving the movable support 220. It may include.
  • the moving means 221 may be a known hydraulic piston, but the type of the moving means 221 is not limited in the present invention.
  • the lower plate 260 may be fastened to the first base plate 111, and the press body 250 may be fastened to the second base plate 121. Therefore, the second mold part 120 is fastened to the second base plate 121 by moving along the gap holder 20 in the direction of the first mold part 110. The pressurized body 250 may move in the direction of the first mold part 110.
  • FIG. 6 is an exploded perspective view showing the angle correction according to the present invention.
  • the angle corrector 200 includes a lower plate 260; A fixed support 210 fixed to one side of the lower plate; A movable support 220 positioned on the other side of the fixed support 210 and moving along a surface of the lower plate; One side is supported by the fixed support 210, the other side is supported by the movable support 220 230; An inverted support plate 240 fastened to the support part 230; And a press body 250 disposed to be spaced apart from the variable support plate 240 at a predetermined interval and positioned above the variable support plate 240.
  • the angle corrector 200 includes a fastening member 270 for fastening the deflection support plate 240 to the support part 230.
  • the fixed support 210 includes a seating groove 211 positioned in an upper predetermined region of the fixed support 210.
  • Figure 8 is a perspective view for explaining a state in which the other side of the support according to the present invention is supported on the movable support.
  • the fixed support 210 includes a seating groove 211 positioned at an upper predetermined region of the fixed support 210, and the support portion 230 of the support 230.
  • One side of the supporting portion 230 may be supported by the fixed support 210 with one side inserted into the seating groove 211.
  • the other side of the supporting portion 230 is the movable support 220. It can be supported by).
  • variable angle support plate 240 is fastened to the support part 230, and the variable angle support plate 240 includes a first support plate 241; And a second support plate 242 hinged to the first support plate 241 and rotated at an angle from the first support plate 241.
  • the angle corrector 200 includes a fastening member 270 for fastening the deformable support plate 240 to the support part 230.
  • FIG. 9 is a perspective view for explaining the variable angle support plate according to the present invention
  • Figure 10 is a perspective view for explaining a fastening member 270 according to the present invention.
  • the fastening member 270 includes a first fastening part 271; A second fastening part 272 positioned to be spaced apart from the first fastening part 271 at a predetermined interval; And a hinge shaft 273 connecting the first fastening part 271 and the second fastening part 272.
  • the first fastening portion 271 may include a fastening member first body 271a; A first elastic member 271c connected to a lower portion of the fastening member first body 271a; And a first fixing plate 271b connected to a lower portion of the first elastic member 271c, wherein the second fastening portion 272 includes: a fastening member second body 272a; A second elastic member 272c connected to a lower portion of the fastening member second body 272a; The second fixing plate 272b is connected to the lower portion of the second elastic member 272c.
  • variable angle support plate 240 may include a first support plate 241; And a second support plate 242 hinged to the first support plate 241 and rotated at an angle from the first support plate 241, wherein one side of the first support plate 241 is the hinge shaft ( 273, and one side of the second support plate 242 is fastened to the hinge shaft 273, such that the first support plate 241 and the second support plate 242 are connected to the hinge shaft 273.
  • the first support plate 241 and the second support plate 242 may be rotated with each other.
  • first support plate 241 and the second support plate 242 can rotate with respect to the hinge axis 273, the first support plate 241 and the second support plate.
  • the angle formed by 242 may be altered.
  • the fastening member 270, the variable support plate 240 is fastened to the support 230.
  • the first fixing plate 271b in a state where a part of the fastening member first body 271a and the first elastic member 271c are inserted into a first predetermined region of the support part 230.
  • the second fastening plate 272b is coupled to the bottom second area of the support part 230 while being inserted into a predetermined area, whereby the first fastening part 271 and the second fastening part of the fastening member 270 are fastened.
  • the portion 272 is coupled to the support 230.
  • the fastening member 270 may fasten the deflection support plate 240 to the support part 230.
  • Fig. 11 is a top perspective view showing the base according to the present invention
  • Fig. 12 is a bottom perspective view showing the base according to the present invention
  • Fig. 13 is a bottom view showing the base according to the present invention
  • Fig. 14 is the present invention. It is a top view which shows the support part which concerns on.
  • the support portion 230 according to the present invention, the bar portion body portion 231; A first fastening hole 232 positioned in a first predetermined region of the body portion 231; The second fastening hole 233 is positioned in the second predetermined region of the body 231.
  • the second fixing plate 272b is attached to the second fastening hole 233 positioned in the second predetermined region of the support part 230, and the second fixing plate 272b is disposed on the bottom surface of the support part 230.
  • the support portion 230 is located on the upper surface of one side of the body portion 231, the first inclined surface 234 formed along the longitudinal direction of the body portion 231; And a second inclined surface 235 disposed on the other upper surface of the body portion 231 and formed along the longitudinal direction of the body portion 231.
  • an angle formed by the first inclined surface 234 and the second inclined surface 235 may correspond to a right angle or an obtuse angle.
  • the obtuse angle may be set according to a user's needs, and for example, the obtuse angle may be set in a range of more than 90 ° and 150 ° or less, but the present invention does not limit the range of the obtuse angle.
  • first slope 234 and the second slope 235 may be defined as being located in the shape of " ⁇ ".
  • 15 to 18 are views for explaining the operation of the angle correction device according to the present invention.
  • the movable support 220 is retracted.
  • the movable support 220 may move along the surface of the lower plate, and in this case, the movable support 220 is along the surface of the lower plate through the moving means 221.
  • the movable support 220 may be moved.
  • the support part 230 and the angle support plate 240 of the angle correcting part 200 are inside the mono frame 10. In the positioned state, the mono frame 10 is inserted into the angle correction device.
  • the moving support 220 in order to position the support 230 and the angle support plate 240 of the angle correction unit 200 in the interior of the mono frame 10, the moving support 220 is retracted, Thus, the retracted movable support 220 does not interfere with the insertion of the mono frame 10.
  • the mono frame 10 in the state in which the support part 230 and the angle support plate 240 of the angle correction part 200 are positioned inside the mono frame 10, the mono frame 10 is located. Since this is inserted into the angle correction device, the pressing body 250 is located above the outside of the mono frame 10, and thus, the pressing body 250 is formed of the mono frame 10. The mono frame 10 may be pressed from the outside.
  • the other side of the support 230 may be supported by the movable support 220 by advancing the movable support 220.
  • the mono frame 10 may be pressurized through the press body 250.
  • the press body 250 may be fastened to the second base plate 121, and thus, the second mold part 120 may be along the gap holder 20.
  • the pressing body 250 By moving in the direction of the first mold portion 110, the pressing body 250 is fastened to the second base plate 121 can move in the direction of the first mold portion 110, such As the pressing body 250 moves downward, the mono frame 10 may be pressed through the pressing body 250.
  • 19 to 21 are views for explaining the principle of the angle correction by the angle correction device according to the present invention.
  • the mono frame 10 and the support plate 240 of the angle correction unit 200 are positioned inside the mono frame 10, and the mono frame is positioned. 10 is inserted into the angle correction device.
  • the pressing body 250 is located above the outside of the mono frame 10, and thus, the pressing body 250 is the mono frame outside the mono frame 10. (10) can be pressurized.
  • the inner surface of the mono frame 10 corresponds to a state in contact with the upper surface of the first support plate 241 and the upper surface of the second support plate 242 of the variable support plate 240.
  • the second mold part 120 moves downward along the gap holder 20 in the direction of the first mold part 110.
  • the lower surface is in contact with the mono frame 10.
  • first support plate 241 and the second support plate 241 maintain the first angle ⁇ 1.
  • first support plate 241 and the second support plate 242 are spaced apart by a first interval d1.
  • first support plate 241 and the second support plate 241 move downward along the first slope 234 and the second slope 235, respectively, and the first slope 234. And the first support plate 241 and the second support plate 241 move downward along the second inclined surface 235, so that the first support plate 241 and the second support plate 241 have a second angle. ( ⁇ 2).
  • the first angle ⁇ 1 opens at the second angle ⁇ 2, the first angle ⁇ 1 is in contact with the top surface of the first support plate 241 of the variable angle support plate 240 and the top surface of the second support plate 242.
  • the angle of the inner surface of the mono frame 10 is corrected.
  • the angle formed by the first inclined surface 234 and the second inclined surface 235 is characterized in that it corresponds to a right angle or obtuse angle.
  • the second angle ⁇ 2 between the first support plate 241 and the second support plate 241 is perpendicular to each other. It may correspond to.
  • the acute angle corrected at right angles is restored by the restoring force of the product itself, so that the mono frame can still maintain acute angle (a large acute angle at the first acute angle).
  • the first inclined surface 234 is, in order to maintain the right angle when the acute angle corrected by the obtuse angle is restored, the first inclined surface 234 ) And the second inclined surface 235 are preferably at an obtuse angle.
  • the angle formed between the first inclined surface 234 and the second inclined surface 235 is an obtuse angle.
  • the second angle ⁇ 2 formed by the first support plate 241 and the second support plate 241 is Therefore, in the present invention, since the acute angle is corrected to an obtuse angle, that is, the right angle can be maintained even when the acute angle corrected by the obtuse angle is restored.
  • the mono frame is formed at a point at which each face meets, for example, at a point 15 at which the second face 12 and the third face 13 meet each other. There is an angle formed between the second surface 12 and the third surface 13.
  • the predetermined angle is generally designed to correspond to 90 °, that is, the right angle, but in the manufacturing process of the product, when the predetermined angle is produced at an acute angle smaller than 90 ° occurs.
  • the first support plate An upper surface and a second surface of the first support plate 241 of the variable support plate 240 are formed by opening an angle formed between the 241 and the second support plate 241 at a second angle ⁇ 2, that is, at a right angle or an obtuse angle.
  • the angle of the inner surface of the mono frame 10, which is in contact with the upper surface of the support plate 242, that is, the predetermined angle formed by the second surface 12 and the third surface 13 may be corrected.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

La présente invention concerne un dispositif de correction d'angle comprenant : une première partie de moule ; une seconde partie de moule disposée de manière à correspondre à la première partie de moule et se déplaçant vers le haut et vers le bas ; et une partie de correction d'angle disposée entre la première partie de moule et la seconde partie de moule, la partie de correction d'angle comprenant : un support fixe ; un support mobile disposé sur l'autre côté du support fixe et se déplaçant le long d'une surface d'une plaque inférieure ; une partie de support présentant un côté supporté par le support fixe et l'autre côté supporté par le support mobile ; une plaque de support à angle variable fixée à la partie de support ; et un corps de pression espacé de la plaque de support à angle variable d'un intervalle prédéterminé et disposé au-dessus de la plaque de support à angle variable. La présente invention peut fournir un dispositif de correction d'angle qui peut corriger une erreur d'un angle afin de satisfaire la rectitude d'un produit fini.
PCT/KR2019/005546 2018-05-10 2019-05-09 Dispositif de correction d'angle WO2019216659A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL432498A PL432498A1 (pl) 2018-05-10 2019-05-09 Urządzenie do kalibracji kąta

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0053632 2018-05-10
KR1020180053632A KR101928372B1 (ko) 2018-05-10 2018-05-10 각도 교정 장치

Publications (1)

Publication Number Publication Date
WO2019216659A1 true WO2019216659A1 (fr) 2019-11-14

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Application Number Title Priority Date Filing Date
PCT/KR2019/005546 WO2019216659A1 (fr) 2018-05-10 2019-05-09 Dispositif de correction d'angle

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KR (1) KR101928372B1 (fr)
PL (1) PL432498A1 (fr)
WO (1) WO2019216659A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11779983B1 (en) 2021-07-20 2023-10-10 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Tube straightening tool and method of straightening a tube

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101928372B1 (ko) * 2018-05-10 2018-12-13 (주)경남금속 각도 교정 장치
KR102517918B1 (ko) * 2022-07-11 2023-04-04 변상일 전기차 배터리 케이스 교정 시스템

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353317U (fr) * 1986-09-26 1988-04-09
KR900001406Y1 (ko) * 1987-07-09 1990-02-26 현대중공업주식회사 앵글 벤딩기
JPH05322551A (ja) * 1992-05-20 1993-12-07 Amada Co Ltd ワーク曲げ角度測定装置
JP2957994B1 (ja) * 1998-07-01 1999-10-06 太洋株式会社 鋼矢板の矯正具及び矯正方法
KR200257399Y1 (ko) * 2001-09-06 2001-12-24 (주)신정정밀 인쇄용 피에스판의 절곡 성형장치
KR101928372B1 (ko) * 2018-05-10 2018-12-13 (주)경남금속 각도 교정 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353317U (fr) * 1986-09-26 1988-04-09
KR900001406Y1 (ko) * 1987-07-09 1990-02-26 현대중공업주식회사 앵글 벤딩기
JPH05322551A (ja) * 1992-05-20 1993-12-07 Amada Co Ltd ワーク曲げ角度測定装置
JP2957994B1 (ja) * 1998-07-01 1999-10-06 太洋株式会社 鋼矢板の矯正具及び矯正方法
KR200257399Y1 (ko) * 2001-09-06 2001-12-24 (주)신정정밀 인쇄용 피에스판의 절곡 성형장치
KR101928372B1 (ko) * 2018-05-10 2018-12-13 (주)경남금속 각도 교정 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11779983B1 (en) 2021-07-20 2023-10-10 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Tube straightening tool and method of straightening a tube

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KR101928372B1 (ko) 2018-12-13
PL432498A1 (pl) 2021-02-08

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