DE69425329T2 - Die for the extrusion of hollow bodies - Google Patents

Die for the extrusion of hollow bodies

Info

Publication number
DE69425329T2
DE69425329T2 DE69425329T DE69425329T DE69425329T2 DE 69425329 T2 DE69425329 T2 DE 69425329T2 DE 69425329 T DE69425329 T DE 69425329T DE 69425329 T DE69425329 T DE 69425329T DE 69425329 T2 DE69425329 T2 DE 69425329T2
Authority
DE
Germany
Prior art keywords
die
male die
forming
extrusion
hollow bodies
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 - Fee Related
Application number
DE69425329T
Other languages
German (de)
Other versions
DE69425329D1 (en
Inventor
Sadahide Yano
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.)
YANO ENG YK
Original Assignee
YANO ENG YK
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 YANO ENG YK filed Critical YANO ENG YK
Publication of DE69425329D1 publication Critical patent/DE69425329D1/en
Application granted granted Critical
Publication of DE69425329T2 publication Critical patent/DE69425329T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B21C25/00—Profiling tools for metal extruding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

A male die (2) is composed of an annular base (7), a bridge (8) and a forming lug (9), and a female die (3) tightly fits in the annular base (7) of the corresponding male die (2). A distance between a forming slit (28) and a location where the male die (2) engages with the female die (3) is decreased such that the misalignment of the forming lug (9) with a forming hole (26) is prevented from occurring during an extrusion process. The male die in combination of the female die enables the production of hollow articles of a high dimensional precision free of any unevenness in wall thickness. <IMAGE>
DE69425329T 1994-12-19 1994-12-19 Die for the extrusion of hollow bodies Expired - Fee Related DE69425329T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94309524A EP0718052B1 (en) 1994-12-19 1994-12-19 Die assembly for extruding hollow articles

Publications (2)

Publication Number Publication Date
DE69425329D1 DE69425329D1 (en) 2000-08-24
DE69425329T2 true DE69425329T2 (en) 2001-03-01

Family

ID=8217954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425329T Expired - Fee Related DE69425329T2 (en) 1994-12-19 1994-12-19 Die for the extrusion of hollow bodies

Country Status (3)

Country Link
EP (1) EP0718052B1 (en)
AT (1) ATE194785T1 (en)
DE (1) DE69425329T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09174141A (en) * 1995-12-22 1997-07-08 Yano Eng:Kk Die for extrusion of metal hollow material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651411A (en) * 1948-10-16 1953-09-08 Revere Copper & Brass Inc Die for extrusion presses
US2811253A (en) * 1954-04-12 1957-10-29 Schloemann Ag Extrusion presses
CH400063A (en) * 1962-07-19 1965-10-15 Alusuisse Process and extrusion press for the production of hollow profiles
JP3014506B2 (en) * 1991-08-29 2000-02-28 昭和アルミニウム株式会社 Hollow Rice for Conform Extrusion

Also Published As

Publication number Publication date
DE69425329D1 (en) 2000-08-24
EP0718052B1 (en) 2000-07-19
ATE194785T1 (en) 2000-08-15
EP0718052A1 (en) 1996-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee