JPH0129841B2 - - Google Patents

Info

Publication number
JPH0129841B2
JPH0129841B2 JP6616885A JP6616885A JPH0129841B2 JP H0129841 B2 JPH0129841 B2 JP H0129841B2 JP 6616885 A JP6616885 A JP 6616885A JP 6616885 A JP6616885 A JP 6616885A JP H0129841 B2 JPH0129841 B2 JP H0129841B2
Authority
JP
Japan
Prior art keywords
drill
spiral
tip
mold
material cylinder
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
JP6616885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61227101A (ja
Inventor
Fumio Shimada
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP6616885A priority Critical patent/JPS61227101A/ja
Publication of JPS61227101A publication Critical patent/JPS61227101A/ja
Publication of JPH0129841B2 publication Critical patent/JPH0129841B2/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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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)
  • Extrusion Of Metal (AREA)
  • Powder Metallurgy (AREA)
JP6616885A 1985-03-29 1985-03-29 ドリル用押し出し成型機 Granted JPS61227101A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6616885A JPS61227101A (ja) 1985-03-29 1985-03-29 ドリル用押し出し成型機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6616885A JPS61227101A (ja) 1985-03-29 1985-03-29 ドリル用押し出し成型機

Publications (2)

Publication Number Publication Date
JPS61227101A JPS61227101A (ja) 1986-10-09
JPH0129841B2 true JPH0129841B2 (enrdf_load_stackoverflow) 1989-06-14

Family

ID=13308050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6616885A Granted JPS61227101A (ja) 1985-03-29 1985-03-29 ドリル用押し出し成型機

Country Status (1)

Country Link
JP (1) JPS61227101A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63277702A (ja) * 1986-12-23 1988-11-15 Yoshinobu Kobayashi ドリル素材の製法
DE3714479A1 (de) * 1987-04-30 1988-11-17 Krupp Gmbh Strangpresswerkzeug zur herstellung eines bohrerrohlings mit mindestens einer innenliegenden, wendelfoermig verlaufenden spuelbohrung
JPS63186510U (enrdf_load_stackoverflow) * 1987-05-21 1988-11-30
JPH039934Y2 (enrdf_load_stackoverflow) * 1987-06-15 1991-03-12
JPH01147006A (ja) * 1987-12-01 1989-06-08 Yoshinobu Kobayashi ねじれ内通路を有する焼結棒の加工法
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
DE10229326A1 (de) * 2002-06-29 2004-01-29 Arno Friedrichs Strangpresswerkzeug zur Herstellung eines aus plastischer Masse bestehenden zylindrischen Körpers

Also Published As

Publication number Publication date
JPS61227101A (ja) 1986-10-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term