WO2014109470A1 - 롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 - Google Patents
롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 Download PDFInfo
- Publication number
- WO2014109470A1 WO2014109470A1 PCT/KR2013/010043 KR2013010043W WO2014109470A1 WO 2014109470 A1 WO2014109470 A1 WO 2014109470A1 KR 2013010043 W KR2013010043 W KR 2013010043W WO 2014109470 A1 WO2014109470 A1 WO 2014109470A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- roller
- curvature
- flange
- contact
- Prior art date
Links
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
- 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
- B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/18—Spinning using tools guided to produce the required profile
Definitions
- the present invention relates to a long neck flange manufacturing apparatus and a long neck flange manufacturing method using the same, and more particularly, a long neck flange manufacturing apparatus that can easily and efficiently manufacture a long neck flange formed integrally with the flange portion; It relates to a long neck flange manufacturing method using the same
- Long neck flanges are also referred to as lap joint flanges or stub ends, and their structures and manufacturing methods vary.
- the long neck flange manufacturing method is complicated by the process of forming the flange portion 2 to a certain size and shape, as well as the process of coupling the flange portion 2 to the pipe portion 1, the manufacturing process is complicated
- the manufacturing cost is high.
- the welding of the pipe part 1 and the flange part 2 using the welding beads 4a and 4b has a limit in maintaining a stable state for a long time, and the thermal stress is generated locally at the welded part to increase the strength.
- the welded part In addition to weakening, there is an inconvenience in that the welded part must be reprocessed into a desired shape after welding.
- the present invention can simplify the configuration of the manufacturing method and process to efficiently manufacture the long neck flange, and to provide a manufacturing apparatus capable of mass-producing a long neck flange with excellent mechanical properties and a long neck flange manufacturing method using the same. have.
- a pipe support bar in close contact with an inner surface of the pipe 10 to support a pipe shape
- a rotary press body integrally coupled with the pipe to pressurize and transport the pipe to one side while fixing the pipe end;
- a face roller which contacts the end of the pipe and guides the pipe end to bend at a 90 degree angle while preventing the pipe from going straight;
- the roller shape In contact with the outer circumferential surface of the end of the pipe and maintains a predetermined distance from the face roller, the roller shape is provided with a 45 degree inclination straight line portion with respect to the center of the roller and a curved portion formed in a predetermined curved surface along the roller center Curvature roller;
- a circumferential roller moved while being in contact with the circumferential surface of the flange portion formed from the end of the pipe;
- Long neck flange manufacturing apparatus comprising a.
- Long neck flange manufacturing procedure of the present invention is as follows.
- the face roller is arranged to contact the other end of the pipe, the curvature roller contacts the outer peripheral surface of the other end of the pipe, and maintains a predetermined distance between the face roller and the curvature roller, and the circumferential roller is placed on the other side of the pipe. Disposing the end outer peripheral surface (S200);
- the circumferential roller is rotated and linearly moved in contact with the flange circumferential surface as the flange portion of the pipe is formed, and forming the curvature of the flange portion at the pipe end ( S300);
- the long neck flange manufacturing apparatus can improve and simplify the manufacturing process and economical by significantly improving and simplifying the manufacturing process, through which the long neck flange can be easily and quickly manufactured.
- long-neck flanges In addition, it is possible to continuously manufacture long-neck flanges through a series of processes, which enables the application and introduction of automated systems, which is advantageous for mass production.
- the long-neck flange can easily adjust and increase the thickness and width of flanges. There is this.
- FIG. 1 is a cross-sectional view showing a conventional long neck flange.
- 2 to 5 are cross-sectional views showing a plan view and a manufacturing process of the long neck flange manufacturing apparatus step by step.
- 7 and 8 are cross-sectional and perspective views of the completed long neck flange.
- FIGS. 9 is a perspective view of the apparatus of FIGS. 2-5.
- 10 is a cross-sectional view showing the deformation of the pipe and the internal structure of the rotary pressing body and the pipe support bar.
- FIG. 11 is a perspective view of the curvature roller.
- the pipe support bar 30 in close contact with the inner surface of the pipe 10 to support the pipe shape;
- Rotating pressurized body 20 is integrally coupled with the pipe, pressurizing and transporting the pipe to one side while fixing the pipe end;
- a face roller 40 in contact with the end of the pipe and guiding the pipe end to bend at an angle of 90 degrees while preventing straight movement of the pipe;
- a curvature roller 60 having a curvature portion 64 formed along a predetermined curved surface;
- a circumferential roller 50 which moves while being in contact with the circumferential surface 122 of the flange portion 120 formed from an end of the pipe; It includes.
- the long neck flange manufacturing method the step of mounting the one end of the pipe which is the base material for forming the long neck flange to the rotary pressing body (20) (S100);
- the face roller 40 is placed in contact with the other end of the pipe, and the curvature roller 60 is in contact with the outer circumferential surface of the other end of the pipe, and a predetermined distance t between the face roller and the curvature roller is provided.
- Shaping the curvature S300
- And continuing to pressurize the pipe to allow the width of the flange to grow S400).
- FIG. 1 is a cross-sectional view showing a conventional long neck flange
- Figures 2 to 5 are cross-sectional views showing a plan view and a manufacturing process of the long neck flange manufacturing apparatus step by step
- Figure 6 is a long neck flange manufacturing flow chart
- Figures 7 and 8 are completed Sectional view and perspective view of the long neck flange
- Figure 9 is a perspective view of the device of Figures 2 to 5
- Figure 10 is a cross-sectional view showing the internal structure of the rotating pressing body and the pipe support bar and the deformation of the pipe
- Figure 11 is a perspective view of the curvature roller to be.
- FIG. 8 corresponds to a perspective view of FIG. 7 inverted.
- the completed long neck flange corresponds to a plastic working method of forming a pipe end into a flange shape while pressing a straight pipe in one direction, and the flange part and the pipe part have one body.
- W is the width of the flange portion
- 124 is the gasket face of the flange portion
- 122 is the circumferential surface of the flange portion.
- the long neck flange of the present invention does not require the welding process required in the prior art.
- the flange member 2 and the pipe member 1 are separately manufactured and welded 4a and 4b are not required to be combined, thereby reducing the cost and time required for the joining process.
- FIG. 2 shows a state in which devices for manufacturing a long neck flange are prepared.
- three rollers 40, 50, and 60 are disposed around the pipe 10 to be processed.
- the circumferential roller 50 is in contact with the outer circumferential surface of the pipe end side by side (see E1), and the face roller 40 is in contact with the thickness surface portion of the pipe end (see E2).
- the inclined straight portion of the curvature roller 60 is in contact with the outer circumferential surface of the pipe end side by side, such as E3.
- the pipe support bar 30 is in close contact with the pipe so as to maintain its shape while the pipe is being molded.
- the curvature roller 60 is arranged to have an axis having an angle of 45 degrees to the pipe length direction, the face roller 40 is arranged to have an axis orthogonal to the pipe length direction, the circumferential roller 50 and the pipe length direction It is arranged to have a parallel axis.
- the three rollers are rotatable about an axis and are provided to enable linear movement.
- the curvature roller 60 is movable in the front, rear, left, and right directions D1, D2, P1, and P2, and the face roller 40 can translate in the R1 and R2 directions.
- the circumferential roller 50 is movable in the K1 and K2 directions. Means for moving the rollers is a well-known technique used in a conventional conveying apparatus, so detailed description thereof will be omitted.
- the linear motion is the pipe 10 body and the circumferential roller 50.
- the pipe end is slightly raised in the A direction, which shows the initial state that the shape of the flange portion 120 is made little by little.
- the face roller 40 and the curvature roller 60 do not linearly rotate, but only rotate in place.
- the circumferential roller 50 is moved in the direction K2 from the position of FIG. 2 as the flange portion is formed, and during the movement, the flange portion is formed while maintaining the thickness of the flange only when it moves in contact with the circumferential surface 122 of the flange. It is possible.
- the moving means of the circumferential roller may be determined by a moving speed by a predetermined control means (not shown).
- the curvature shaping shape of the pipe end is closely related to the shape of the circumferential roller 50.
- the shape of the circumferential roller is enlarged, and the curvature portion 64 at the center end corresponds to a portion for forming the curvature portion (FIGS. 7, 8, R) of the flange.
- the inclined straight portion 62 in FIG. 11 is a portion that is in contact with the outer peripheral surface of the pipe and the flange lower surface being formed, and the inclination degree of the inclined straight portion is inclined at 45 degrees.
- the portion t denotes a distance between the inclined straight portion 62 (FIG. 11), which is the inclined surface of the end of the curvature roller 50, and the face roller 40.
- This t interval corresponds to a passage for the pipe end to be pushed up in the A direction as shown in FIG. 3, and corresponds to the thickness of the flange part 120. That is, the thickness of the flange portion can be adjusted by adjusting the spacing of t, and the flange portion of various thicknesses can be processed by the present invention.
- the face roller 40 of the three rollers surrounding the pipe end prevents the straight progress of the pipe end It is to plastically deform the pipe end in a direction perpendicular to the pipe length direction (A direction, Fig. 3).
- the means for pushing the pipe toward the face roller 40 is the rotary press body 20.
- the power source for pushing the rotary press body may be any electric motor, hydraulic pressure, or the like.
- FIG. 10 a cross-sectional shape of the rotary press body 20 for moving the pipe is illustrated, and a spring 25 is built in the space around the body of the pipe support bar 30 supporting the pipe and between the press bodies. The spring is compressed during the molding process.
- FIG. 6 the processing sequence described above is summarized.
- the curvature portion of the flange (FIG. 3) is first made, and then the flange has a predetermined thickness t as shown in FIG. 4.
- the molding process is performed.
- the long neck flange manufacturing apparatus of the present invention When the long neck flange manufacturing apparatus of the present invention is used, since the long neck flange can be continuously manufactured by an automation apparatus, it can be said that its usefulness is very high industrially.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
Claims (4)
- 파이프(10)의 내측면에 밀착되어 파이프 형상을 지지하는 파이프지지바(30);상기 파이프와 일체로 결합되어, 파이프 단부를 고정하면서 일측으로 파이프를 가압, 이송하는 회전 가압체(20);상기 회전 가압체를 이송하기 위한 이송수단;상기 파이프의 단부와 접촉하며, 파이프의 직선 진행을 막으면서 파이프 단부가 90도 각도로 휘어지도록 가이드하는 페이스롤러(40);상기 파이프의 단부의 외주면에 접촉함과 동시에, 상기 페이스롤러와 소정의 간격(t)를 유지하며, 곡률롤러 형상은, 곡률롤러중심을 기준으로 45도의 경사직선부(62) 및 곡률롤러 중앙을 따라 소정의 곡면으로 형성된 곡률부(64)를 구비하는 곡률롤러(60);상기 파이프의 단부로부터 성형되는 플랜지부(120)의 원주면(122)에 접촉되면서 이동되는 원주롤러(50);을 포함하는 것을 특징으로 하는 롤러스피닝을 적용한 롱넥 플랜지 제조장치
- 청구항 1에 있어서, 상기 곡률롤러(60)를 전후좌우로 이송시키는 이송장치를 더 포함하여, 페이스롤러(40)와 곡률롤러의 경사직선부(62) 의 간격을 조절할 수 있음을 특징으로 하는 롤러스피닝을 적용한 롱넥 플랜지 제조장치
- 청구항 1에 있어서, 원주롤러(50)를 파이프길이방향과 수직인 방향으로 이송시키는 이송장치를 더 포함하여, 플랜지부 원주면(122)에 접촉되면서 원주롤러가 이송되도록함을 특징으로 하는 롤러스피닝을 적용한 롱넥 플랜지 제조장치
- 롱넥 플랜지를 성형하기 위한 모재인 파이프 일측 단부를 회전 가압체(20)에 장착하는 단계(S100);상기 파이프의 타측 단부에 페이스롤러(40)를 접촉하도록 배치하고, 곡률롤러(60)를 상기 파이프의 타측단부 외주면에 접촉함과 동시에, 상기 페이스롤러와 곡률롤러 사이의 소정의 간격(t)를 유지하며, 원주롤러(50)를 파이프의 타측단부 외주면에 접촉하도록 배치하는 단계(S200);파이프를 회전 가압체에 의하여 직선이동시킴과 동시에, 원주롤러(50)는 파이프의 플랜지부가 형성됨에 따라, 플랜지 원주면(122)과 접촉한 상태로 회전 및 직선 이동하며, 파이프 단부에 플랜지부의 곡률을 성형하는 단계(S300);상기 파이프 가압을 지속하여 플랜지의 폭이 성장하도록 하는 단계(S400);를 포함하되,상기 곡률롤러(60)에는,곡률롤러 중심을 기준으로 45도의 경사직선부(62) 및 곡률롤러 중앙을 따라 소정의 곡면으로 된 곡률부(64)가 형성되어 있어서, 플랜지부(120)가 파이프 길이방향과 수직으로 형성되도록 하며, 곡률부(64)에 대응한 형상(64)의 플랜지 곡면 부분이 성형되는 것을 특징으로 하는롱넥 플랜지 제조장치를 이용한 롱넥 플랜지 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/759,660 US9724744B2 (en) | 2013-01-08 | 2013-11-07 | Apparatus for manufacturing long-neck flange by applying roller spinning and method therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130002153A KR101254225B1 (ko) | 2013-01-08 | 2013-01-08 | 롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 |
KR10-2013-0002153 | 2013-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014109470A1 true WO2014109470A1 (ko) | 2014-07-17 |
Family
ID=48443066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2013/010043 WO2014109470A1 (ko) | 2013-01-08 | 2013-11-07 | 롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9724744B2 (ko) |
KR (1) | KR101254225B1 (ko) |
WO (1) | WO2014109470A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9724744B2 (en) | 2013-01-08 | 2017-08-08 | Jaesoo Kim | Apparatus for manufacturing long-neck flange by applying roller spinning and method therefor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104339129B (zh) * | 2014-08-25 | 2016-05-25 | 中国航天科技集团公司长征机械厂 | 一种小圆角等壁厚法兰制造方法 |
CN104439030A (zh) * | 2014-11-11 | 2015-03-25 | 连云港珍珠河石化管件有限公司 | 大口径高颈法兰锻造加工方法 |
JP6956649B2 (ja) * | 2018-02-16 | 2021-11-02 | 三菱電機株式会社 | 加工方法および加工装置 |
WO2021040133A1 (ko) * | 2019-08-27 | 2021-03-04 | 김동규 | 파이프를 이용한 소형 실린더를 성형하는 열간스피닝 장치 |
KR102084006B1 (ko) | 2019-09-03 | 2020-03-04 | 주식회사 서원기술 | 비대칭 압착식 조인트의 제조장치 및 그 제조방법 |
CN113426874B (zh) * | 2021-07-23 | 2023-06-02 | 江苏长江智能制造研究院有限责任公司 | 一种液压斜口旋压翻边机 |
KR102517031B1 (ko) | 2021-09-13 | 2023-03-31 | 조길래 | 스피닝 공정을 이용한 스터브 엔드 제조장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61279315A (ja) * | 1985-06-05 | 1986-12-10 | Kubota Ltd | 金属管の端部成形方法 |
JPH08164433A (ja) * | 1994-12-14 | 1996-06-25 | Toyota Motor Corp | ヘミング加工装置 |
JPH10156450A (ja) * | 1996-11-27 | 1998-06-16 | Toyota Motor Corp | かしめ方法およびかしめ装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2310158A (en) * | 1940-11-09 | 1943-02-02 | Kellogg M W Co | Method for flanging tubular bodies |
JP3753542B2 (ja) | 1998-06-23 | 2006-03-08 | 株式会社荏原製作所 | 鍛造装置 |
DE10047310A1 (de) * | 2000-09-25 | 2002-05-02 | Meinig Metu System | Verfahren und Vorrichtung zum Anformen eines Flansches oder Bordes am Ende eines Rohres aus Blech |
KR101254225B1 (ko) | 2013-01-08 | 2013-04-18 | 김재수 | 롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 |
-
2013
- 2013-01-08 KR KR1020130002153A patent/KR101254225B1/ko active IP Right Grant
- 2013-11-07 US US14/759,660 patent/US9724744B2/en active Active
- 2013-11-07 WO PCT/KR2013/010043 patent/WO2014109470A1/ko active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61279315A (ja) * | 1985-06-05 | 1986-12-10 | Kubota Ltd | 金属管の端部成形方法 |
JPH08164433A (ja) * | 1994-12-14 | 1996-06-25 | Toyota Motor Corp | ヘミング加工装置 |
JPH10156450A (ja) * | 1996-11-27 | 1998-06-16 | Toyota Motor Corp | かしめ方法およびかしめ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9724744B2 (en) | 2013-01-08 | 2017-08-08 | Jaesoo Kim | Apparatus for manufacturing long-neck flange by applying roller spinning and method therefor |
Also Published As
Publication number | Publication date |
---|---|
KR101254225B1 (ko) | 2013-04-18 |
US9724744B2 (en) | 2017-08-08 |
US20150343511A1 (en) | 2015-12-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014109470A1 (ko) | 롤러스피닝을 적용한 롱넥 플랜지 제조장치 및 이를 이용한 롱넥 플랜지 제조방법 | |
CN107614207B (zh) | 多工位传递机械手机构 | |
WO2013115513A1 (ko) | 파이프 배관용 스토퍼 그립 링 | |
CN107614137B (zh) | Usb金属外壳的扩管传递冲床 | |
CN211614805U (zh) | 一种卡环夹取压装系统 | |
WO2009113767A2 (ko) | 차량용 패널의 헤밍장치 | |
WO2018119753A1 (zh) | 一种多工位管材缩口设备 | |
WO2016024702A1 (ko) | 다중관 제조장치 및 이것을 이용한 다중관의 제조방법 | |
WO2015160081A1 (ko) | 다중 가변전극을 이용한 통전소성 장치 | |
ITMI940020A1 (it) | Apparecchiatura per formare materiali in fogli | |
WO2017155143A1 (ko) | 차량 범퍼용 빔의 제조장치 | |
EP2109529B1 (en) | Method, plant and apparatus for making parts made of composite material | |
US20150165699A1 (en) | Tool and a method for forming and assembling beams of composite material | |
WO2018092966A1 (ko) | 가변단면을 가진 파이프 제조 장치 및 방법 | |
CN116552033A (zh) | 一种具备夹持功能的辊压装置 | |
WO2014058107A1 (ko) | 자동차 벌브용 튜브 제조방법과 장치 | |
WO2016186372A1 (ko) | 밴딩장치 | |
CN207952295U (zh) | 一种汽车管件加工设备 | |
CN211591269U (zh) | 一种带限位组件的吹瓶机 | |
CN211360202U (zh) | 一种弯管设备 | |
US10906255B2 (en) | Method for producing molded body | |
CN219057823U (zh) | 一种铜管芯棒搬运机械手 | |
WO2013008970A1 (ko) | 하이브리드 스태빌라이저 링크 제조장치 | |
CN206351550U (zh) | 一种大直径薄壁管材辅助对接装置 | |
CN205771770U (zh) | 一种砖块输送整理机构 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13870892 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14759660 Country of ref document: US |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 12/11/2015) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13870892 Country of ref document: EP Kind code of ref document: A1 |