EP3778052A4 - Method and device for molding square tube - Google Patents
Method and device for molding square tube Download PDFInfo
- Publication number
- EP3778052A4 EP3778052A4 EP19785769.1A EP19785769A EP3778052A4 EP 3778052 A4 EP3778052 A4 EP 3778052A4 EP 19785769 A EP19785769 A EP 19785769A EP 3778052 A4 EP3778052 A4 EP 3778052A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- square tube
- molding square
- molding
- tube
- square
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title 1
- 238000000465 moulding Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/155—Making tubes with non circular section
-
- 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
- B21D5/10—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 for making tubes
- B21D5/12—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 for making tubes making use of forming-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
- B21D15/00—Corrugating tubes
- B21D15/02—Corrugating tubes longitudinally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018077349 | 2018-04-13 | ||
PCT/JP2019/015917 WO2019198805A1 (en) | 2018-04-13 | 2019-04-12 | Method and device for molding square tube |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3778052A1 EP3778052A1 (en) | 2021-02-17 |
EP3778052A4 true EP3778052A4 (en) | 2022-01-05 |
Family
ID=68163685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19785769.1A Withdrawn EP3778052A4 (en) | 2018-04-13 | 2019-04-12 | Method and device for molding square tube |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210170465A1 (en) |
EP (1) | EP3778052A4 (en) |
JP (1) | JP6839786B2 (en) |
KR (1) | KR20200139809A (en) |
CN (1) | CN112368089A (en) |
WO (1) | WO2019198805A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021206134A1 (en) | 2020-04-09 | 2021-10-14 | 株式会社中田製作所 | Metal tube manufacturing method and device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6137321A (en) * | 1984-07-27 | 1986-02-22 | Nippon Steel Metal Prod Co Ltd | Forming method of angular steel pipe |
EP1169150A1 (en) * | 1999-04-21 | 2002-01-09 | Nakata Manufacturing Company Limited | Method for manufacturing a pipe with a not circular cross-section and device therefor |
EP1815921A1 (en) * | 2004-11-26 | 2007-08-08 | Nakata Manufacturing Company Limited | Roll for molding square tube and method and device for rollingly molding square tube |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51133079A (en) * | 1975-05-14 | 1976-11-18 | Mitsui Eng & Shipbuild Co Ltd | Liquid for detection of iron contents contaminating surfaces of ti mat erials and stainless steel materials |
JPH0634810U (en) * | 1992-10-09 | 1994-05-10 | 住友重機械工業株式会社 | Square tube bending correction device |
JPH08164426A (en) * | 1994-12-13 | 1996-06-25 | Kawasaki Steel Corp | Production of square steel tube |
JPH10258311A (en) * | 1997-03-14 | 1998-09-29 | Dai Ichi High Frequency Co Ltd | Manufacture of square metallic tube |
JP2004243367A (en) * | 2003-02-13 | 2004-09-02 | Aisin Seiki Co Ltd | Method and device for adjusting roll forming device |
JP5520542B2 (en) * | 2009-08-12 | 2014-06-11 | 正幸 高嶋 | Manufacturing method and manufacturing apparatus for thin metal tube |
-
2019
- 2019-04-12 KR KR1020207032284A patent/KR20200139809A/en not_active Application Discontinuation
- 2019-04-12 WO PCT/JP2019/015917 patent/WO2019198805A1/en active Search and Examination
- 2019-04-12 CN CN201980025553.3A patent/CN112368089A/en active Pending
- 2019-04-12 US US17/046,460 patent/US20210170465A1/en not_active Abandoned
- 2019-04-12 JP JP2020513456A patent/JP6839786B2/en active Active
- 2019-04-12 EP EP19785769.1A patent/EP3778052A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6137321A (en) * | 1984-07-27 | 1986-02-22 | Nippon Steel Metal Prod Co Ltd | Forming method of angular steel pipe |
EP1169150A1 (en) * | 1999-04-21 | 2002-01-09 | Nakata Manufacturing Company Limited | Method for manufacturing a pipe with a not circular cross-section and device therefor |
EP1815921A1 (en) * | 2004-11-26 | 2007-08-08 | Nakata Manufacturing Company Limited | Roll for molding square tube and method and device for rollingly molding square tube |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019198805A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2019198805A1 (en) | 2020-08-20 |
EP3778052A1 (en) | 2021-02-17 |
KR20200139809A (en) | 2020-12-14 |
CN112368089A (en) | 2021-02-12 |
JP6839786B2 (en) | 2021-03-10 |
US20210170465A1 (en) | 2021-06-10 |
WO2019198805A1 (en) | 2019-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20201111 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: B21D0005120000 Ipc: B21D0015020000 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20211203 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B21C 37/08 20060101ALI20211129BHEP Ipc: B21D 15/02 20060101AFI20211129BHEP |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: WANG, FEIZHOU Inventor name: NAKANO, TOMOYASU Inventor name: NISHII, MASATO Inventor name: YIN, JILONG |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20231101 |