GB1376116A - Extrusion of metals - Google Patents

Extrusion of metals

Info

Publication number
GB1376116A
GB1376116A GB416373A GB416373A GB1376116A GB 1376116 A GB1376116 A GB 1376116A GB 416373 A GB416373 A GB 416373A GB 416373 A GB416373 A GB 416373A GB 1376116 A GB1376116 A GB 1376116A
Authority
GB
United Kingdom
Prior art keywords
billet
layer
amorphous material
powdered metal
extrusion
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
GB416373A
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.)
Cefilac SA
Original Assignee
Cefilac SA
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 Cefilac SA filed Critical Cefilac SA
Publication of GB1376116A publication Critical patent/GB1376116A/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
    • B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated

Landscapes

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

Abstract

1376116 Extruding CEFILAC 26 Jan 1973 [16 March 1972] 4163/73 Heading B3P In a hot extrusion process the starting billet is coated with a layer of powdered metal and a layer of amorphous material before heating and extrusion to seal the surface of the billet against contamination. Each coating may be applied separately or simultaneously to the lateral external surface of the billet, the end surfaces and to the interior surface of the billet if it is hollow. The powdered metal may be copper applied by a spray gun. The amorphous material is applied by dipping, spraying or painting and comprises enamel or one or more vitreous salts or citreous oxides or mixtures thereof. A thin layer of molydenum disulphide may be used as a lubricant. The billet is a titanium, zirconium or their alloys.
GB416373A 1972-03-16 1973-01-26 Extrusion of metals Expired GB1376116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7209133A FR2175613B1 (en) 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
GB1376116A true GB1376116A (en) 1974-12-04

Family

ID=9095284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB416373A Expired GB1376116A (en) 1972-03-16 1973-01-26 Extrusion of metals

Country Status (8)

Country Link
JP (1) JPS4991947A (en)
AR (1) AR201999A1 (en)
BR (1) BR7301878D0 (en)
DE (1) DE2312914A1 (en)
FR (1) FR2175613B1 (en)
GB (1) GB1376116A (en)
SE (1) SE410828B (en)
ZA (1) ZA731819B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1515184A (en) * 1967-01-18 1968-03-01 Brev C L S Soc D Expl Des Metal spinning process, especially stainless steels

Also Published As

Publication number Publication date
AR201999A1 (en) 1975-05-09
SE410828B (en) 1979-11-12
JPS4991947A (en) 1974-09-03
DE2312914A1 (en) 1973-09-27
FR2175613B1 (en) 1974-08-02
ZA731819B (en) 1974-03-27
BR7301878D0 (en) 1974-06-27
FR2175613A1 (en) 1973-10-26

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Legal Events

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