GB2449458B - Forming multi-walled components - Google Patents

Forming multi-walled components

Info

Publication number
GB2449458B
GB2449458B GB0709826A GB0709826A GB2449458B GB 2449458 B GB2449458 B GB 2449458B GB 0709826 A GB0709826 A GB 0709826A GB 0709826 A GB0709826 A GB 0709826A GB 2449458 B GB2449458 B GB 2449458B
Authority
GB
United Kingdom
Prior art keywords
forming multi
walled components
walled
components
forming
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.)
Expired - Fee Related
Application number
GB0709826A
Other versions
GB2449458A (en
GB0709826D0 (en
Inventor
Paul Stuart Slater
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EXTEX Ltd LIABILITY PARTNERSHIP
Original Assignee
EXTEX Ltd LIABILITY PARTNERSHIP
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 EXTEX Ltd LIABILITY PARTNERSHIP filed Critical EXTEX Ltd LIABILITY PARTNERSHIP
Priority to GB0709826A priority Critical patent/GB2449458B/en
Publication of GB0709826D0 publication Critical patent/GB0709826D0/en
Priority to PCT/GB2008/001641 priority patent/WO2008142370A2/en
Publication of GB2449458A publication Critical patent/GB2449458A/en
Application granted granted Critical
Publication of GB2449458B publication Critical patent/GB2449458B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/051—Deforming double-walled bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
GB0709826A 2007-05-22 2007-05-22 Forming multi-walled components Expired - Fee Related GB2449458B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0709826A GB2449458B (en) 2007-05-22 2007-05-22 Forming multi-walled components
PCT/GB2008/001641 WO2008142370A2 (en) 2007-05-22 2008-05-12 Forming multi-walled components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0709826A GB2449458B (en) 2007-05-22 2007-05-22 Forming multi-walled components

Publications (3)

Publication Number Publication Date
GB0709826D0 GB0709826D0 (en) 2007-07-04
GB2449458A GB2449458A (en) 2008-11-26
GB2449458B true GB2449458B (en) 2009-04-29

Family

ID=38265176

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0709826A Expired - Fee Related GB2449458B (en) 2007-05-22 2007-05-22 Forming multi-walled components

Country Status (2)

Country Link
GB (1) GB2449458B (en)
WO (1) WO2008142370A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106363070B (en) * 2016-08-25 2018-08-17 宁波市沃瑞斯机械科技有限公司 A kind of processing technology of metal bi multiple tube
CN106269978B (en) * 2016-08-25 2019-01-25 宁波市沃瑞斯机械科技有限公司 A kind of metal bi multiple tube and its manufacture craft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475911A (en) * 1993-05-20 1995-12-19 Wells; Gary L. Multi-stage dual wall hydroforming
US5673470A (en) * 1995-08-31 1997-10-07 Benteler Automotive Corporation Extended jacket end, double expansion hydroforming
US6254488B1 (en) * 1999-07-13 2001-07-03 Daimlerchrysler Corporation Hydroformed drive shaft and method of making the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019899C1 (en) * 1990-06-22 1991-12-19 Benteler Ag, 4790 Paderborn, De
US5170557A (en) * 1991-05-01 1992-12-15 Benteler Industries, Inc. Method of forming a double wall, air gap exhaust duct component
JP2832702B2 (en) * 1996-08-08 1998-12-09 株式会社三五 Double pipe manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475911A (en) * 1993-05-20 1995-12-19 Wells; Gary L. Multi-stage dual wall hydroforming
US5673470A (en) * 1995-08-31 1997-10-07 Benteler Automotive Corporation Extended jacket end, double expansion hydroforming
US6254488B1 (en) * 1999-07-13 2001-07-03 Daimlerchrysler Corporation Hydroformed drive shaft and method of making the same

Also Published As

Publication number Publication date
GB2449458A (en) 2008-11-26
GB0709826D0 (en) 2007-07-04
WO2008142370A2 (en) 2008-11-27
WO2008142370A3 (en) 2009-01-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110522