GB529120A - Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes - Google Patents

Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes

Info

Publication number
GB529120A
GB529120A GB1519139A GB1519139A GB529120A GB 529120 A GB529120 A GB 529120A GB 1519139 A GB1519139 A GB 1519139A GB 1519139 A GB1519139 A GB 1519139A GB 529120 A GB529120 A GB 529120A
Authority
GB
United Kingdom
Prior art keywords
processes
relating
carrying
metal tubes
making
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
GB1519139A
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
Priority to GB1519139A priority Critical patent/GB529120A/en
Publication of GB529120A publication Critical patent/GB529120A/en
Expired legal-status Critical Current

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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing

Abstract

529,120. Rolling tubes. DVORAK, E. May 22, 1939, No. 15191. Addition to 520,873. Drawings to Specification. [Class 83 (iv)] Billets to be rolled into tubes as described in the parent Specification are obtained by piercing solid blocks in a skew-rolling mill.
GB1519139A 1939-05-22 1939-05-22 Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes Expired GB529120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1519139A GB529120A (en) 1939-05-22 1939-05-22 Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1519139A GB529120A (en) 1939-05-22 1939-05-22 Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes

Publications (1)

Publication Number Publication Date
GB529120A true GB529120A (en) 1940-11-14

Family

ID=10054621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1519139A Expired GB529120A (en) 1939-05-22 1939-05-22 Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes

Country Status (1)

Country Link
GB (1) GB529120A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962247C (en) * 1955-04-30 1957-04-18 Kronprinz Ag Pressing die consisting of an upper and a lower part for the production of round-cross-section pipe pulling bars
US2803154A (en) * 1953-05-11 1957-08-20 Stewarts & Lloyds Ltd Manufacture of metal hollows and apparatus therefor
DE1014513B (en) * 1956-01-02 1957-08-29 Demag Ag Hot rolling process for fishing on rags

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803154A (en) * 1953-05-11 1957-08-20 Stewarts & Lloyds Ltd Manufacture of metal hollows and apparatus therefor
DE962247C (en) * 1955-04-30 1957-04-18 Kronprinz Ag Pressing die consisting of an upper and a lower part for the production of round-cross-section pipe pulling bars
DE1014513B (en) * 1956-01-02 1957-08-29 Demag Ag Hot rolling process for fishing on rags

Similar Documents

Publication Publication Date Title
GB1223164A (en) Rolling mill roll for use in hot rolling mill
GB529120A (en) Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes
GB330840A (en) Improvements in and relating to the production of races
GB332051A (en) Improved method of manufacturing profiled metal pieces, such as metal plates, strips or the like
GB352889A (en)
GB546446A (en) Oxydisable metals and alloys
GB472002A (en) Improvements in or relating to the production of rolled steel billets or sections
GB285896A (en)
GB502492A (en) Method and apparatus for straightening pipes, rods and bars of any profile
GB363845A (en) A method for the production of rolled rims upon the ends of pipes
GB814116A (en) Improvements in the continuous rolling of tubes
GB520920A (en) Improvements in metal rolling
GB870750A (en) Process for piercing solid metal ingots
GB357789A (en) The method of manufacturing t-irons
GB285897A (en)
GB414459A (en) Improvements in and relating to methods of and apparatus for the production of seamless tubes and the like
GB369627A (en) A process for the production of seamless tubes on a pilger rolling mill and apparatus therefor
GB463382A (en) Improvements in and relating to continuous rolling mills
GB1330978A (en) Cold rolling apparatus
GB523561A (en) Improvements in or relating to headers or like upsetting machines
GB403558A (en) Improvements in machines for straightening metal and like bars
GB520873A (en) Improvements in or relating to processes for making weldless metal tubes and means for carrying out said processes
JPS5437054A (en) Universal rolling milis for rails
GB428428A (en) Improvements in or relating to rolling sheet-metal discs
GB410799A (en) Process for the manufacture of wide bands of iron and steel