GB1299872A - Improvements relating to extrusion - Google Patents

Improvements relating to extrusion

Info

Publication number
GB1299872A
GB1299872A GB1237969A GB1237969A GB1299872A GB 1299872 A GB1299872 A GB 1299872A GB 1237969 A GB1237969 A GB 1237969A GB 1237969 A GB1237969 A GB 1237969A GB 1299872 A GB1299872 A GB 1299872A
Authority
GB
United Kingdom
Prior art keywords
extrusion
march
fluid
die
billet
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
GB1237969A
Inventor
Dalip Tarachand Malkani
Derek Cyril Oxley
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.)
British Iron and Steel Research Association BISRA
Original Assignee
British Iron and Steel Research Association BISRA
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 British Iron and Steel Research Association BISRA filed Critical British Iron and Steel Research Association BISRA
Priority to GB1237969A priority Critical patent/GB1299872A/en
Publication of GB1299872A publication Critical patent/GB1299872A/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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/007—Hydrostatic extrusion

Landscapes

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

Abstract

1299872 Extrusion BRITISH IRON & STEEL RESEARCH ASSOCIATION 16 March 1970 [10 March 1969] 12379/69 Heading B3P A metal billet 17 is hot extruded hydrostatically using a fluid 16 of molten material which is heated by electric resistance heaters in the material. The material may be glass, salts or low melting point metals which also act as a die lubricant and may form a coating on the extruded product. The container 10 has a lining 12 and is cooled to maintain the material at the optimum working temperature. The billet is preheated and made of low carbon steel which is heated sufficiently by the fluid to allow controlled recrystallization as it leaves the die 13.
GB1237969A 1969-03-10 1969-03-10 Improvements relating to extrusion Expired GB1299872A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1237969A GB1299872A (en) 1969-03-10 1969-03-10 Improvements relating to extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1237969A GB1299872A (en) 1969-03-10 1969-03-10 Improvements relating to extrusion

Publications (1)

Publication Number Publication Date
GB1299872A true GB1299872A (en) 1972-12-13

Family

ID=1759682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1237969A Expired GB1299872A (en) 1969-03-10 1969-03-10 Improvements relating to extrusion

Country Status (1)

Country Link
GB (1) GB1299872A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358544A (en) 1980-07-04 1982-11-09 Daniel Doncaster & Sons Limited Single phase glass compositions for use in protective and lubricating coatings for the heat treatment and hot working of metals
GB2251569A (en) * 1990-11-06 1992-07-15 Alform Alloys Ltd Continuous extrusion of pre-heated billets
CN108015116A (en) * 2017-12-26 2018-05-11 北京大学深圳研究院 Rare earth strengthens magnesium-zinc alloy seamless tubular goods hot extrusion technique and temperature control extrusion die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358544A (en) 1980-07-04 1982-11-09 Daniel Doncaster & Sons Limited Single phase glass compositions for use in protective and lubricating coatings for the heat treatment and hot working of metals
GB2251569A (en) * 1990-11-06 1992-07-15 Alform Alloys Ltd Continuous extrusion of pre-heated billets
CN108015116A (en) * 2017-12-26 2018-05-11 北京大学深圳研究院 Rare earth strengthens magnesium-zinc alloy seamless tubular goods hot extrusion technique and temperature control extrusion die

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Legal Events

Date Code Title Description
PS Patent sealed
CSNS Application of which complete specification have been accepted and published, but patent is not sealed