IT1155833B - PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE - Google Patents

PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE

Info

Publication number
IT1155833B
IT1155833B IT48094/78A IT4809478A IT1155833B IT 1155833 B IT1155833 B IT 1155833B IT 48094/78 A IT48094/78 A IT 48094/78A IT 4809478 A IT4809478 A IT 4809478A IT 1155833 B IT1155833 B IT 1155833B
Authority
IT
Italy
Prior art keywords
tracks
implementation
procedure
equipment
cold extrusion
Prior art date
Application number
IT48094/78A
Other languages
Italian (it)
Other versions
IT7848094A0 (en
Original Assignee
Its Italtractor Sud Spa
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 Its Italtractor Sud Spa filed Critical Its Italtractor Sud Spa
Priority to IT48094/78A priority Critical patent/IT1155833B/en
Publication of IT7848094A0 publication Critical patent/IT7848094A0/en
Priority to EP79100356A priority patent/EP0003773A1/en
Application granted granted Critical
Publication of IT1155833B publication Critical patent/IT1155833B/en

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
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • 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
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/02—Making machine elements balls, rolls, or rollers, e.g. for bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
IT48094/78A 1978-02-17 1978-02-17 PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE IT1155833B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT48094/78A IT1155833B (en) 1978-02-17 1978-02-17 PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE
EP79100356A EP0003773A1 (en) 1978-02-17 1979-02-08 Process and apparatus for the cold extrusion of metal bushings, in particular, for tracks of track-laying tractors and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48094/78A IT1155833B (en) 1978-02-17 1978-02-17 PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE

Publications (2)

Publication Number Publication Date
IT7848094A0 IT7848094A0 (en) 1978-02-17
IT1155833B true IT1155833B (en) 1987-01-28

Family

ID=11264483

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48094/78A IT1155833B (en) 1978-02-17 1978-02-17 PROCESS PERFECTED FOR THE COLD EXTRUSION OF METAL BUSHINGS, IN PARTICULAR FOR TRACKS OR SIMILAR TRACKS AND EQUIPMENT FOR THE IMPLEMENTATION OF THE PROCEDURE

Country Status (2)

Country Link
EP (1) EP0003773A1 (en)
IT (1) IT1155833B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809841C1 (en) * 1988-03-21 1989-05-11 Arnold & Stolzenberg Gmbh, 3352 Einbeck, De
US7322459B2 (en) * 2006-05-01 2008-01-29 Garvey Corporation Differential speed conveyor accumulation system and method
CN113369329B (en) * 2021-06-11 2022-07-15 中国兵器工业第五九研究所 Multifunctional extrusion die with open cavity
CN116197293B (en) * 2023-04-27 2023-07-21 中北大学 Back extrusion preparation die and method for inner and outer bimetal cup-shaped components
CN117816834A (en) * 2024-03-05 2024-04-05 成都德安金属制品有限公司 Punching device for annular workpiece

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755107C (en) * 1937-11-30 1953-03-16 Rheinmetall Borsig Ag Manufacture of seamless and relatively thin-walled, shell-shaped hollow bodies made of light metal with web-like attachments
FR1112344A (en) * 1953-11-12 1956-03-13 Kabel U Metallwerke Neumeyer A Method and device for press-stamping, in particular cold, flanged-shaped parts made of metal, preferably steel
NL6810120A (en) * 1967-08-04 1969-02-06
GB1207407A (en) * 1968-08-01 1970-09-30 Chesterfield Tube Company Ltd Apparatus for use in forming shells from billets

Also Published As

Publication number Publication date
EP0003773A1 (en) 1979-09-05
IT7848094A0 (en) 1978-02-17

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