FR881218A - Manufacturing process of seamless tubes - Google Patents

Manufacturing process of seamless tubes

Info

Publication number
FR881218A
FR881218A FR881218DA FR881218A FR 881218 A FR881218 A FR 881218A FR 881218D A FR881218D A FR 881218DA FR 881218 A FR881218 A FR 881218A
Authority
FR
France
Prior art keywords
manufacturing process
seamless tubes
seamless
tubes
manufacturing
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
Application number
Other languages
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR881218A publication Critical patent/FR881218A/en
Expired legal-status Critical Current

Links

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
    • B21C37/14—Making tubes from double flat material
FR881218D 1941-02-22 1942-04-15 Manufacturing process of seamless tubes Expired FR881218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE881218X 1941-02-22

Publications (1)

Publication Number Publication Date
FR881218A true FR881218A (en) 1943-04-19

Family

ID=6828331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881218D Expired FR881218A (en) 1941-02-22 1942-04-15 Manufacturing process of seamless tubes

Country Status (1)

Country Link
FR (1) FR881218A (en)

Similar Documents

Publication Publication Date Title
FR886988A (en) Manufacturing process of p-aminobenzenesulfonamidopyrimidines
FR914132A (en) Cryolite manufacturing process
FR905835A (en) Manufacturing process of trans-1, 2-dichlorethylene
FR53825E (en) Manufacturing process of sulfanilamidopyrimidines
FR881218A (en) Manufacturing process of seamless tubes
FR882841A (en) Highly Basic Polyoxamides Manufacturing Process
FR920711A (en) New tube manufacturing process
FR855265A (en) Manufacturing process of seamless tubes
FR870750A (en) Manufacturing process for hollow bodies by windings
FR1015678A (en) Tube manufacturing process
FR881974A (en) Caramel manufacturing process
FR887240A (en) Manufacturing process of 2-methyl-hexahydro-benzthiazol
FR886235A (en) Rhodacyanine manufacturing process
FR885959A (en) Advanced Yeast Manufacturing Process
FR882161A (en) Manufacturing process of artificial resins
FR865667A (en) Tube caps manufacturing process
FR939145A (en) Manufacturing process of insulating substances
FR895750A (en) Superpolymer manufacturing process
FR880625A (en) Beer making process
FR884195A (en) Manufacturing process for emissive masses
FR888228A (en) Manufacturing process of alpha-oxy-carbonyl compounds
FR916471A (en) Manufacturing process of flanged tubes or pipes
FR882263A (en) Camphene manufacturing process
FR873681A (en) Manufacturing process of artificial material tubes
FR878763A (en) Manufacturing process of metallic magnesium