FR483887A - Flexible tube and method and apparatus for its manufacture - Google Patents

Flexible tube and method and apparatus for its manufacture

Info

Publication number
FR483887A
FR483887A FR483887A FR483887DA FR483887A FR 483887 A FR483887 A FR 483887A FR 483887 A FR483887 A FR 483887A FR 483887D A FR483887D A FR 483887DA FR 483887 A FR483887 A FR 483887A
Authority
FR
France
Prior art keywords
manufacture
flexible tube
flexible
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.)
Expired
Application number
FR483887A
Other languages
French (fr)
Inventor
Daniel Corbit Spruance
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR483887A publication Critical patent/FR483887A/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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR483887A 1915-09-07 1916-09-04 Flexible tube and method and apparatus for its manufacture Expired FR483887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483887XA 1915-09-07 1915-09-07

Publications (1)

Publication Number Publication Date
FR483887A true FR483887A (en) 1917-08-17

Family

ID=1520739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR483887A Expired FR483887A (en) 1915-09-07 1916-09-04 Flexible tube and method and apparatus for its manufacture

Country Status (1)

Country Link
FR (1) FR483887A (en)

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