FR2135177A1 - Billet extrusion die - with the die and or punch made of silicon nitride for self lubrication - Google Patents

Billet extrusion die - with the die and or punch made of silicon nitride for self lubrication

Info

Publication number
FR2135177A1
FR2135177A1 FR7214535A FR7214535A FR2135177A1 FR 2135177 A1 FR2135177 A1 FR 2135177A1 FR 7214535 A FR7214535 A FR 7214535A FR 7214535 A FR7214535 A FR 7214535A FR 2135177 A1 FR2135177 A1 FR 2135177A1
Authority
FR
France
Prior art keywords
die
punch
silicon nitride
self lubrication
metal
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.)
Granted
Application number
FR7214535A
Other languages
English (en)
French (fr)
Other versions
FR2135177B1 (enExample
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2135177A1 publication Critical patent/FR2135177A1/fr
Application granted granted Critical
Publication of FR2135177B1 publication Critical patent/FR2135177B1/fr
Granted 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies
    • B21C25/025—Selection of materials therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Punching Or Piercing (AREA)
  • Extrusion Of Metal (AREA)
FR7214535A 1971-04-27 1972-04-19 Billet extrusion die - with the die and or punch made of silicon nitride for self lubrication Granted FR2135177A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1130971 1971-04-27

Publications (2)

Publication Number Publication Date
FR2135177A1 true FR2135177A1 (en) 1972-12-15
FR2135177B1 FR2135177B1 (enExample) 1974-12-20

Family

ID=9983883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214535A Granted FR2135177A1 (en) 1971-04-27 1972-04-19 Billet extrusion die - with the die and or punch made of silicon nitride for self lubrication

Country Status (1)

Country Link
FR (1) FR2135177A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468947A (en) * 1980-12-27 1984-09-04 Ngk Spark Plug Co., Ltd. Die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468947A (en) * 1980-12-27 1984-09-04 Ngk Spark Plug Co., Ltd. Die

Also Published As

Publication number Publication date
FR2135177B1 (enExample) 1974-12-20

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Legal Events

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