GB1251175A - - Google Patents

Info

Publication number
GB1251175A
GB1251175A GB1251175DA GB1251175A GB 1251175 A GB1251175 A GB 1251175A GB 1251175D A GB1251175D A GB 1251175DA GB 1251175 A GB1251175 A GB 1251175A
Authority
GB
United Kingdom
Prior art keywords
section
cross
rolls
corner
edges
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
English (en)
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
Publication of GB1251175A publication Critical patent/GB1251175A/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, 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB1251175D 1969-06-10 1970-05-22 Expired GB1251175A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT548469A AT287452B (de) 1969-06-10 1969-06-10 Verfahren zum Herstellen kantiger Einnahtformrohre

Publications (1)

Publication Number Publication Date
GB1251175A true GB1251175A (enrdf_load_stackoverflow) 1971-10-27

Family

ID=3576309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251175D Expired GB1251175A (enrdf_load_stackoverflow) 1969-06-10 1970-05-22

Country Status (5)

Country Link
AT (1) AT287452B (enrdf_load_stackoverflow)
CH (1) CH504250A (enrdf_load_stackoverflow)
DE (1) DE2026141A1 (enrdf_load_stackoverflow)
FR (1) FR2049898A5 (enrdf_load_stackoverflow)
GB (1) GB1251175A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715904A1 (de) * 1994-11-29 1996-06-12 Josef Welser Ohg Profilier- Und Stanzwerk Verfahren zum Herstellen rollgeformter Hohlprofile aus Blech

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715904A1 (de) * 1994-11-29 1996-06-12 Josef Welser Ohg Profilier- Und Stanzwerk Verfahren zum Herstellen rollgeformter Hohlprofile aus Blech

Also Published As

Publication number Publication date
FR2049898A5 (enrdf_load_stackoverflow) 1971-03-26
DE2026141A1 (enrdf_load_stackoverflow) 1970-12-23
CH504250A (de) 1971-03-15
AT287452B (de) 1971-01-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees