NL7202480A - - Google Patents

Info

Publication number
NL7202480A
NL7202480A NL7202480A NL7202480A NL7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A NL 7202480 A NL7202480 A NL 7202480A
Authority
NL
Netherlands
Application number
NL7202480A
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 filed Critical
Priority to NL7202480A priority Critical patent/NL7202480A/xx
Publication of NL7202480A publication Critical patent/NL7202480A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
NL7202480A 1972-02-25 1972-02-25 NL7202480A (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7202480A NL7202480A (2) 1972-02-25 1972-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7202480A NL7202480A (2) 1972-02-25 1972-02-25

Publications (1)

Publication Number Publication Date
NL7202480A true NL7202480A (2) 1973-08-28

Family

ID=19815460

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7202480A NL7202480A (2) 1972-02-25 1972-02-25

Country Status (1)

Country Link
NL (1) NL7202480A (2)

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Legal Events

Date Code Title Description
BV The patent application has lapsed