JPH0344121B2 - - Google Patents

Info

Publication number
JPH0344121B2
JPH0344121B2 JP31459887A JP31459887A JPH0344121B2 JP H0344121 B2 JPH0344121 B2 JP H0344121B2 JP 31459887 A JP31459887 A JP 31459887A JP 31459887 A JP31459887 A JP 31459887A JP H0344121 B2 JPH0344121 B2 JP H0344121B2
Authority
JP
Japan
Prior art keywords
hole
die
pin
twisted
angle
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
JP31459887A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01156405A (ja
Inventor
Masao Maruyama
Atsushi Seki
Susumu Mori
Shigeru Noda
Yoshikatsu Mori
Masahiko Mizukami
Hitoshi Ootani
Ichiro Tsukahara
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP31459887A priority Critical patent/JPH01156405A/ja
Publication of JPH01156405A publication Critical patent/JPH01156405A/ja
Publication of JPH0344121B2 publication Critical patent/JPH0344121B2/ja
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 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
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/147—Making drill blanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
JP31459887A 1987-12-10 1987-12-10 ねじれ孔付きドリル中間品の押出し成形装置 Granted JPH01156405A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31459887A JPH01156405A (ja) 1987-12-10 1987-12-10 ねじれ孔付きドリル中間品の押出し成形装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31459887A JPH01156405A (ja) 1987-12-10 1987-12-10 ねじれ孔付きドリル中間品の押出し成形装置

Publications (2)

Publication Number Publication Date
JPH01156405A JPH01156405A (ja) 1989-06-20
JPH0344121B2 true JPH0344121B2 (ru) 1991-07-05

Family

ID=18055225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31459887A Granted JPH01156405A (ja) 1987-12-10 1987-12-10 ねじれ孔付きドリル中間品の押出し成形装置

Country Status (1)

Country Link
JP (1) JPH01156405A (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400687B (de) * 1989-12-04 1996-02-26 Plansee Tizit Gmbh Verfahren und strangpresswerkzeug zur herstellung eines rohlings mit innenliegenden bohrungen
DE4120165C2 (de) * 1990-07-05 1995-01-26 Friedrichs Konrad Kg Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikstabes
JPH05117717A (ja) * 1991-10-25 1993-05-14 Kobe Steel Ltd 螺旋孔を有する棒状部材の押出成形方法及び装置
US5342189A (en) * 1992-10-01 1994-08-30 Mitsubishi Aluminum Co., Ltd. Extrusion dies
DE10229326A1 (de) * 2002-06-29 2004-01-29 Arno Friedrichs Strangpresswerkzeug zur Herstellung eines aus plastischer Masse bestehenden zylindrischen Körpers
DE10229325B4 (de) 2002-06-29 2005-06-09 Arno Friedrichs Strangpresswerkzeug zur Herstellung eines aus plastischer Masse bestehenden zylindrischen Körpers

Also Published As

Publication number Publication date
JPH01156405A (ja) 1989-06-20

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