ATA229475A - Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre - Google Patents

Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre

Info

Publication number
ATA229475A
ATA229475A AT229475A AT229475A ATA229475A AT A229475 A ATA229475 A AT A229475A AT 229475 A AT229475 A AT 229475A AT 229475 A AT229475 A AT 229475A AT A229475 A ATA229475 A AT A229475A
Authority
AT
Austria
Prior art keywords
sheet metal
folded tubes
manufacturing folded
manufacturing
tubes
Prior art date
Application number
AT229475A
Other languages
English (en)
Other versions
AT346158B (de
Original Assignee
Schwarz Walter
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 Schwarz Walter filed Critical Schwarz Walter
Priority to AT229475A priority Critical patent/AT346158B/de
Publication of ATA229475A publication Critical patent/ATA229475A/de
Application granted granted Critical
Publication of AT346158B publication Critical patent/AT346158B/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • 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
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with seams being neither welded nor soldered

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Frames And Binding Bands (AREA)
AT229475A 1975-03-26 1975-03-26 Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre AT346158B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT229475A AT346158B (de) 1975-03-26 1975-03-26 Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT229475A AT346158B (de) 1975-03-26 1975-03-26 Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre

Publications (2)

Publication Number Publication Date
ATA229475A true ATA229475A (de) 1978-02-15
AT346158B AT346158B (de) 1978-10-25

Family

ID=3531683

Family Applications (1)

Application Number Title Priority Date Filing Date
AT229475A AT346158B (de) 1975-03-26 1975-03-26 Verfahren zum herstellen gefalzter, vorzugsweise aus blech bestehender rohre

Country Status (1)

Country Link
AT (1) AT346158B (de)

Also Published As

Publication number Publication date
AT346158B (de) 1978-10-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee