FR2304416B1 - - Google Patents

Info

Publication number
FR2304416B1
FR2304416B1 FR7508736A FR7508736A FR2304416B1 FR 2304416 B1 FR2304416 B1 FR 2304416B1 FR 7508736 A FR7508736 A FR 7508736A FR 7508736 A FR7508736 A FR 7508736A FR 2304416 B1 FR2304416 B1 FR 2304416B1
Authority
FR
France
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
Application number
FR7508736A
Other languages
French (fr)
Other versions
FR2304416A1 (en
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.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Priority to FR7508736A priority Critical patent/FR2304416A1/en
Publication of FR2304416A1 publication Critical patent/FR2304416A1/en
Application granted granted Critical
Publication of FR2304416B1 publication Critical patent/FR2304416B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B22F5/106—Tube or ring forms
    • 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
    • B21C37/154—Making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
FR7508736A 1975-03-20 1975-03-20 Composite metal tubes mfr. using metal powder - which is inserted between two tubes to make a blank for hot working Granted FR2304416A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7508736A FR2304416A1 (en) 1975-03-20 1975-03-20 Composite metal tubes mfr. using metal powder - which is inserted between two tubes to make a blank for hot working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508736A FR2304416A1 (en) 1975-03-20 1975-03-20 Composite metal tubes mfr. using metal powder - which is inserted between two tubes to make a blank for hot working

Publications (2)

Publication Number Publication Date
FR2304416A1 FR2304416A1 (en) 1976-10-15
FR2304416B1 true FR2304416B1 (en) 1980-01-04

Family

ID=9152831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508736A Granted FR2304416A1 (en) 1975-03-20 1975-03-20 Composite metal tubes mfr. using metal powder - which is inserted between two tubes to make a blank for hot working

Country Status (1)

Country Link
FR (1) FR2304416A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612919A (en) * 2018-04-27 2018-10-02 胡建芳 A kind of phase shell type specialty metal seamless pipe and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436642A1 (en) * 1978-09-25 1980-04-18 Roulements Soc Nouvelle PROCESS FOR MANUFACTURING A COMPOSITE BEARING RING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612919A (en) * 2018-04-27 2018-10-02 胡建芳 A kind of phase shell type specialty metal seamless pipe and preparation method thereof
CN108612919B (en) * 2018-04-27 2020-04-14 扬州巨业耐磨复合材料有限责任公司 Phase-sleeve type special metal seamless pipe and preparation method thereof

Also Published As

Publication number Publication date
FR2304416A1 (en) 1976-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse