DE3814687C2 - - Google Patents

Info

Publication number
DE3814687C2
DE3814687C2 DE3814687A DE3814687A DE3814687C2 DE 3814687 C2 DE3814687 C2 DE 3814687C2 DE 3814687 A DE3814687 A DE 3814687A DE 3814687 A DE3814687 A DE 3814687A DE 3814687 C2 DE3814687 C2 DE 3814687C2
Authority
DE
Germany
Prior art keywords
die
tool according
extrusion tool
mandrel
ribs
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 - Lifetime
Application number
DE3814687A
Other languages
German (de)
English (en)
Other versions
DE3814687A1 (de
Inventor
Alfons 4250 Bottrop De Lomberg
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.)
Widia GmbH
Original Assignee
Krupp Widia GmbH
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 Krupp Widia GmbH filed Critical Krupp Widia GmbH
Priority to DE3814687A priority Critical patent/DE3814687A1/de
Priority to EP19890106574 priority patent/EP0340495A3/de
Priority to JP1100352A priority patent/JPH0390213A/ja
Priority to US07/344,976 priority patent/US4909720A/en
Publication of DE3814687A1 publication Critical patent/DE3814687A1/de
Application granted granted Critical
Publication of DE3814687C2 publication Critical patent/DE3814687C2/de
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/004—Article comprising helical form elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Extrusion Of Metal (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Powder Metallurgy (AREA)
DE3814687A 1988-04-30 1988-04-30 Strangpresswerkzeug Granted DE3814687A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3814687A DE3814687A1 (de) 1988-04-30 1988-04-30 Strangpresswerkzeug
EP19890106574 EP0340495A3 (de) 1988-04-30 1989-04-13 Strangpresswerkzeug
JP1100352A JPH0390213A (ja) 1988-04-30 1989-04-21 ドリル半製品を製造するための押出プレス工具
US07/344,976 US4909720A (en) 1988-04-30 1989-04-28 Extrusion molding tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3814687A DE3814687A1 (de) 1988-04-30 1988-04-30 Strangpresswerkzeug

Publications (2)

Publication Number Publication Date
DE3814687A1 DE3814687A1 (de) 1989-11-09
DE3814687C2 true DE3814687C2 (en, 2012) 1990-04-19

Family

ID=6353284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3814687A Granted DE3814687A1 (de) 1988-04-30 1988-04-30 Strangpresswerkzeug

Country Status (4)

Country Link
US (1) US4909720A (en, 2012)
EP (1) EP0340495A3 (en, 2012)
JP (1) JPH0390213A (en, 2012)
DE (1) DE3814687A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644447A1 (de) * 1996-10-25 1998-04-30 Konrad Dr Friedrichs Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398286B (de) * 1990-05-22 1994-11-25 Boehlerit Gmbh & Co Kg Hartmetall- oder keramikrohling sowie verfahren und werkzeug zur herstellung desselben
DE4130287A1 (de) * 1991-02-23 1993-04-01 Karl Hehl Plastifizierzylinder an einer kunststoff-spritzgiessmaschine
US5776519A (en) * 1997-06-06 1998-07-07 Graham Engineering Corporation Parison extrusion head with quick change die ring clamp assembly
SE516268C2 (sv) * 1999-06-03 2001-12-10 Seco Tools Ab Metod och anordning med radiellt rörliga backar för strängpressning av roterande verktyg
GB0007948D0 (en) * 2000-04-01 2000-05-17 Caton International Investment Extrusion die
RU2236316C2 (ru) * 2002-07-29 2004-09-20 Открытое акционерное общество "Новосибирский завод химконцентратов" Инструмент для прессования труб
CN1959058B (zh) * 2005-11-02 2010-06-02 中国石油大学(北京) 高压旋转双射流钻孔方法
DE102010019599A1 (de) 2010-05-05 2011-11-10 Gühring Ohg Pulvermetallurgischer Stahl
WO2015169791A1 (en) * 2014-05-09 2015-11-12 Sandvik Intellectual Property Ab Extruded multi-grade carbide article
CN109047355B (zh) * 2018-07-09 2020-05-01 中国兵器工业第五九研究所 一种超高强合金钢的压型工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328995A (en) * 1964-12-21 1967-07-04 Turner & Seymour Mfg Company Vibratory straightening machines
US3496605A (en) * 1965-10-26 1970-02-24 Yasuyoshi Onaka Apparatus for extruding ribbed plastic pipe
GB1184474A (en) * 1966-02-14 1970-03-18 Rotary Profile Anstalt Improvements in or relating to Extruders
DE3600681A1 (de) * 1985-10-31 1987-05-07 Krupp Gmbh Hartmetall- oder keramikbohrerrohling sowie verfahren und strangpresswerkzeug zu seiner herstellung
DE8536805U1 (de) * 1985-10-31 1986-08-21 Fried. Krupp Gmbh, 4300 Essen Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikbohrerrohlings
DE3636798A1 (de) * 1986-10-29 1988-04-07 Krupp Gmbh Verfahren zur herstellung von einteiligen gesinterten schneidwerkzeugen in schaftausfuehrung
DE3714479A1 (de) * 1987-04-30 1988-11-17 Krupp Gmbh Strangpresswerkzeug zur herstellung eines bohrerrohlings mit mindestens einer innenliegenden, wendelfoermig verlaufenden spuelbohrung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644447A1 (de) * 1996-10-25 1998-04-30 Konrad Dr Friedrichs Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial
DE19644447C2 (de) * 1996-10-25 2001-10-18 Friedrichs Konrad Kg Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial

Also Published As

Publication number Publication date
EP0340495A2 (de) 1989-11-08
JPH0390213A (ja) 1991-04-16
DE3814687A1 (de) 1989-11-09
EP0340495A3 (de) 1991-01-02
US4909720A (en) 1990-03-20

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee