FR971451A - Process and machine for the manufacture of bergmann type insulating tubes and insulating tubes obtained - Google Patents

Process and machine for the manufacture of bergmann type insulating tubes and insulating tubes obtained

Info

Publication number
FR971451A
FR971451A FR971451DA FR971451A FR 971451 A FR971451 A FR 971451A FR 971451D A FR971451D A FR 971451DA FR 971451 A FR971451 A FR 971451A
Authority
FR
France
Prior art keywords
insulating tubes
bergmann
manufacture
machine
type
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.)
MECC TURRI OFF
Original Assignee
MECC TURRI OFF
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 MECC TURRI OFF filed Critical MECC TURRI OFF
Application granted granted Critical
Publication of FR971451A publication Critical patent/FR971451A/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
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/102—Making tubes with riveted seams or with non-welded and non-soldered seams of coated strip material (making multi-wall tubes)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR971451D 1947-02-01 1948-09-09 Process and machine for the manufacture of bergmann type insulating tubes and insulating tubes obtained Expired FR971451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT971451X 1947-02-01

Publications (1)

Publication Number Publication Date
FR971451A true FR971451A (en) 1951-01-17

Family

ID=11332759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971451D Expired FR971451A (en) 1947-02-01 1948-09-09 Process and machine for the manufacture of bergmann type insulating tubes and insulating tubes obtained

Country Status (1)

Country Link
FR (1) FR971451A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003236A1 (en) * 1990-08-18 1992-03-05 Eagle Precision Technologies Limited A method of tube forming

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003236A1 (en) * 1990-08-18 1992-03-05 Eagle Precision Technologies Limited A method of tube forming

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