DE2239821A1 - Verfahren zur herstellung von doppelwandigen rohren - Google Patents

Verfahren zur herstellung von doppelwandigen rohren

Info

Publication number
DE2239821A1
DE2239821A1 DE19722239821 DE2239821A DE2239821A1 DE 2239821 A1 DE2239821 A1 DE 2239821A1 DE 19722239821 DE19722239821 DE 19722239821 DE 2239821 A DE2239821 A DE 2239821A DE 2239821 A1 DE2239821 A1 DE 2239821A1
Authority
DE
Germany
Prior art keywords
pipe
pipes
double
outer tube
tube
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Withdrawn
Application number
DE19722239821
Other languages
German (de)
English (en)
Inventor
Hans Meier
Peter Schwarzstein
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.)
Bremshey AG
Original Assignee
Bremshey AG
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 Bremshey AG filed Critical Bremshey AG
Priority to DE19722239821 priority Critical patent/DE2239821A1/de
Priority to GB3053173A priority patent/GB1414006A/en
Priority to IT2767573A priority patent/IT993710B/it
Priority to BE134351A priority patent/BE803351A/xx
Priority to FR7329796A priority patent/FR2195488B1/fr
Priority to AT698473A priority patent/AT324088B/de
Priority to NL7311067A priority patent/NL147652B/xx
Priority to SE7310981A priority patent/SE401988B/xx
Priority to CH1161573A priority patent/CH558219A/xx
Publication of DE2239821A1 publication Critical patent/DE2239821A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/151—Making tubes with multiple passages
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
    • 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
DE19722239821 1972-08-12 1972-08-12 Verfahren zur herstellung von doppelwandigen rohren Withdrawn DE2239821A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE19722239821 DE2239821A1 (de) 1972-08-12 1972-08-12 Verfahren zur herstellung von doppelwandigen rohren
GB3053173A GB1414006A (en) 1972-08-12 1973-06-27 Method for the production of a double walled tube
IT2767573A IT993710B (it) 1972-08-12 1973-08-08 Procedimento per fabbricare tubi a doppia parete
BE134351A BE803351A (fr) 1972-08-12 1973-08-08 Procede pour la fabrication de tuyaux a double paroi
FR7329796A FR2195488B1 (enExample) 1972-08-12 1973-08-09
AT698473A AT324088B (de) 1972-08-12 1973-08-09 Verfahren zur herstellung von doppelwandigen rohren
NL7311067A NL147652B (nl) 1972-08-12 1973-08-10 Werkwijze voor het vervaardigen van dubbelwandige, gebogen buizen.
SE7310981A SE401988B (sv) 1972-08-12 1973-08-10 Forfarande for framstellning av bojda dubbelveggiga ror
CH1161573A CH558219A (de) 1972-08-12 1973-08-13 Verfahren zur herstellung von doppelwandigen rohren.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722239821 DE2239821A1 (de) 1972-08-12 1972-08-12 Verfahren zur herstellung von doppelwandigen rohren

Publications (1)

Publication Number Publication Date
DE2239821A1 true DE2239821A1 (de) 1974-02-21

Family

ID=5853456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722239821 Withdrawn DE2239821A1 (de) 1972-08-12 1972-08-12 Verfahren zur herstellung von doppelwandigen rohren

Country Status (9)

Country Link
AT (1) AT324088B (enExample)
BE (1) BE803351A (enExample)
CH (1) CH558219A (enExample)
DE (1) DE2239821A1 (enExample)
FR (1) FR2195488B1 (enExample)
GB (1) GB1414006A (enExample)
IT (1) IT993710B (enExample)
NL (1) NL147652B (enExample)
SE (1) SE401988B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585059A (en) * 1980-01-15 1986-04-29 H & H Tube & Mfg. Co. Heat transfer tube assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2749589A1 (de) * 1977-11-05 1979-05-10 Schwarze Rigobert Kaltbiege- verfahren und -vorrichtung zur herstellung von gekruemmten mantelrohrleitungen
CN107511643B (zh) * 2017-09-25 2023-09-26 伊顿上飞（上海）航空管路制造有限公司 商用大型客机双壁不锈钢管加工方法及工装

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585059A (en) * 1980-01-15 1986-04-29 H & H Tube & Mfg. Co. Heat transfer tube assembly

Also Published As

Publication number Publication date
FR2195488B1 (enExample) 1978-10-27
CH558219A (de) 1975-01-31
GB1414006A (en) 1975-11-12
SE401988B (sv) 1978-06-12
FR2195488A1 (enExample) 1974-03-08
AT324088B (de) 1975-08-11
NL7311067A (enExample) 1974-02-14
IT993710B (it) 1975-09-30
NL147652B (nl) 1975-11-17
BE803351A (fr) 1973-12-03

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Legal Events

Date Code Title Description
OD Request for examination
8130 Withdrawal