GB1106992A - Improvements in or relating to radial extrusion dies - Google Patents

Improvements in or relating to radial extrusion dies

Info

Publication number
GB1106992A
GB1106992A GB25892/64A GB2589264A GB1106992A GB 1106992 A GB1106992 A GB 1106992A GB 25892/64 A GB25892/64 A GB 25892/64A GB 2589264 A GB2589264 A GB 2589264A GB 1106992 A GB1106992 A GB 1106992A
Authority
GB
United Kingdom
Prior art keywords
die
bore
tapered
june
segments
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
GB25892/64A
Inventor
John Dent Richards
Herbert William George Wolley
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB25892/64A priority Critical patent/GB1106992A/en
Priority to FR21987A priority patent/FR1515835A/en
Priority to ES0314544A priority patent/ES314544A1/en
Publication of GB1106992A publication Critical patent/GB1106992A/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 OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)

Abstract

1,106,992. Making finned tubes; forging; extruding. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 23 June, 1965 [23 June, 1964], No. 25892/64. Headings B3A, B3H and B3P. Apparatus for forming the outer surface of a tubular body, particularly for the extrusion of external fins, comprises a die housing 1 having a tapered bore containing two or more die segments 5a-5d with tapered outer surfaces which are slidable axially in the bore and have interior surfaces of the profile required for forming the body. The body is of particular use as a nuclear fuel can and is made of an alloy containing 99% magnesium which is pre-heated to 400‹ C. before inserting into the die. The latter consists of four segments 5a- 5d guided by rollers 7. The tubular workpiece is expanded to cause radial flow of metal, by a tapered mandrel 12 which is forced through the bore; the dies are retracted by a flanged rod 13. Electric heating elements are provided in the die housing and a lubricant is used comprising colloidal graphite in methyl alcohol.
GB25892/64A 1964-06-23 1964-06-23 Improvements in or relating to radial extrusion dies Expired GB1106992A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB25892/64A GB1106992A (en) 1964-06-23 1964-06-23 Improvements in or relating to radial extrusion dies
FR21987A FR1515835A (en) 1964-06-23 1965-06-23 Improvements made to radial extrusion dies
ES0314544A ES314544A1 (en) 1964-06-23 1965-06-23 Improvements in or relating to radial extrusion dies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25892/64A GB1106992A (en) 1964-06-23 1964-06-23 Improvements in or relating to radial extrusion dies

Publications (1)

Publication Number Publication Date
GB1106992A true GB1106992A (en) 1968-03-20

Family

ID=10235061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25892/64A Expired GB1106992A (en) 1964-06-23 1964-06-23 Improvements in or relating to radial extrusion dies

Country Status (3)

Country Link
ES (1) ES314544A1 (en)
FR (1) FR1515835A (en)
GB (1) GB1106992A (en)

Also Published As

Publication number Publication date
FR1515835A (en) 1968-03-08
ES314544A1 (en) 1966-10-16

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