IT993710B - Procedimento per fabbricare tubi a doppia parete - Google Patents

Procedimento per fabbricare tubi a doppia parete

Info

Publication number
IT993710B
IT993710B IT2767573A IT2767573A IT993710B IT 993710 B IT993710 B IT 993710B IT 2767573 A IT2767573 A IT 2767573A IT 2767573 A IT2767573 A IT 2767573A IT 993710 B IT993710 B IT 993710B
Authority
IT
Italy
Prior art keywords
procedure
double wall
wall pipes
manufacturing double
manufacturing
Prior art date
Application number
IT2767573A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT993710B publication Critical patent/IT993710B/it

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 ; 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
    • F01N13/18—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 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
    • B21C37/151—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 ; 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
    • F01N13/18—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 gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
IT2767573A 1972-08-12 1973-08-08 Procedimento per fabbricare tubi a doppia parete IT993710B (it)

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
IT993710B true IT993710B (it) 1975-09-30

Family

ID=5853456

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2767573A IT993710B (it) 1972-08-12 1973-08-08 Procedimento per fabbricare tubi a doppia parete

Country Status (9)

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

Families Citing this family (3)

* 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
US4585059A (en) * 1980-01-15 1986-04-29 H & H Tube & Mfg. Co. Heat transfer tube assembly
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

Also Published As

Publication number Publication date
CH558219A (de) 1975-01-31
BE803351A (fr) 1973-12-03
SE401988B (sv) 1978-06-12
FR2195488A1 (it) 1974-03-08
NL7311067A (it) 1974-02-14
GB1414006A (en) 1975-11-12
AT324088B (de) 1975-08-11
DE2239821A1 (de) 1974-02-21
NL147652B (nl) 1975-11-17
FR2195488B1 (it) 1978-10-27

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