GB338144A - A method of and apparatus for reducing the cross-sectional area of bars - Google Patents

A method of and apparatus for reducing the cross-sectional area of bars

Info

Publication number
GB338144A
GB338144A GB14377/29A GB1437729A GB338144A GB 338144 A GB338144 A GB 338144A GB 14377/29 A GB14377/29 A GB 14377/29A GB 1437729 A GB1437729 A GB 1437729A GB 338144 A GB338144 A GB 338144A
Authority
GB
United Kingdom
Prior art keywords
work
tubes
rolls
roll
mandrel
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
GB14377/29A
Other languages
English (en)
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.)
PIPE AND TUBE BENDING CORP OF
Original Assignee
PIPE AND TUBE BENDING CORP OF
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 PIPE AND TUBE BENDING CORP OF filed Critical PIPE AND TUBE BENDING CORP OF
Publication of GB338144A publication Critical patent/GB338144A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/18—Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB14377/29A 1928-11-19 1929-05-08 A method of and apparatus for reducing the cross-sectional area of bars Expired GB338144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US338144XA 1928-11-19 1928-11-19

Publications (1)

Publication Number Publication Date
GB338144A true GB338144A (en) 1930-11-10

Family

ID=21872593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14377/29A Expired GB338144A (en) 1928-11-19 1929-05-08 A method of and apparatus for reducing the cross-sectional area of bars

Country Status (4)

Country Link
BE (1) BE360514A (nl)
FR (1) FR674771A (nl)
GB (1) GB338144A (nl)
NL (1) NL44546C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2528850C3 (de) * 1975-06-27 1979-09-20 Oskar Aleksandrovitsch Pljazkovskij Pilgerschrittwalzwerk zum Rohrkaltwalzen

Also Published As

Publication number Publication date
NL44546C (nl) 1938-12-15
BE360514A (nl) 1929-06-29
FR674771A (fr) 1930-02-01

Similar Documents

Publication Publication Date Title
US3075484A (en) Method of and apparatus for continuously producing small section welded steel tubes
ES418268A1 (es) Procedimiento de laminacion.
ZA201907301B (en) Continuous tube rolling method and mandrel assembly for the implementation thereof
GB338144A (en) A method of and apparatus for reducing the cross-sectional area of bars
GB1202105A (en) Method for producing tubes
US2023727A (en) Manufacture of seamless tubes
US3581384A (en) Method of producing seamless metal tubes
US2025148A (en) Apparatus for the manufacture of pipes and tubes
GB409983A (en) An improved process of and apparatus for the production of bent iron and steel sections
US2005155A (en) Tube expanding mill
US2025146A (en) Method and apparatus for the manufacture of seamless tubes
US2215933A (en) Method of making tubing
US1662680A (en) Method of rolling down hollow bodies
US1712972A (en) Method of forming blanks for making seamless tubes
SU418238A1 (nl)
US1617936A (en) Tube mill and process
US2204491A (en) Rolling mill plant for the manufacture of seamless tubes
US2071208A (en) Push bench drive
US1898779A (en) Method of rolling tubes with internally thickened ends
SU657880A1 (ru) Способ прокатки трубы с утоненными концами
US1939524A (en) Rolling mill
US1771420A (en) Method of rolling tubes from hollow blocks
US1685402A (en) Manufacture op highest pressure conduits
GB312352A (en) A method of and apparatus for reducing the cross-sectional area of bars
SU656686A1 (ru) Способ волочени труб