JPS56105900A - Method and device for manufacturing dry press molding - Google Patents

Method and device for manufacturing dry press molding

Info

Publication number
JPS56105900A
JPS56105900A JP890281A JP890281A JPS56105900A JP S56105900 A JPS56105900 A JP S56105900A JP 890281 A JP890281 A JP 890281A JP 890281 A JP890281 A JP 890281A JP S56105900 A JPS56105900 A JP S56105900A
Authority
JP
Japan
Prior art keywords
press molding
dry press
manufacturing dry
manufacturing
molding
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.)
Granted
Application number
JP890281A
Other languages
English (en)
Other versions
JPS6216759B2 (ja
Inventor
Biyuuraa Oigen
Shiyutorooberu Kurausu
Shiyubuarutsumaiaa Kaaru
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.)
Hutschenreuther AG
Original Assignee
Hutschenreuther AG
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 Hutschenreuther AG filed Critical Hutschenreuther AG
Publication of JPS56105900A publication Critical patent/JPS56105900A/ja
Publication of JPS6216759B2 publication Critical patent/JPS6216759B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
    • B22F3/045—Semi-isostatic pressure
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/1208—Containers or coating used therefor
    • B22F3/1258—Container manufacturing
    • B22F3/1275—Container manufacturing by coating a model and eliminating the model before consolidation
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/24—Producing shaped prefabricated articles from the material by injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/021—Feeding the unshaped material to moulds or apparatus for producing shaped articles by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/006—Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0008—Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Powder Metallurgy (AREA)
JP890281A 1980-01-23 1981-01-23 Method and device for manufacturing dry press molding Granted JPS56105900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3002230 1980-01-23

Publications (2)

Publication Number Publication Date
JPS56105900A true JPS56105900A (en) 1981-08-22
JPS6216759B2 JPS6216759B2 (ja) 1987-04-14

Family

ID=6092696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP890281A Granted JPS56105900A (en) 1980-01-23 1981-01-23 Method and device for manufacturing dry press molding

Country Status (6)

Country Link
US (1) US4473526A (ja)
JP (1) JPS56105900A (ja)
DE (1) DE3101236C2 (ja)
FR (1) FR2473943B1 (ja)
GB (1) GB2067461B (ja)
IT (1) IT1143293B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825897A (ja) * 1981-07-17 1983-02-16 オイゲン・ビユ−ラ− 流動性材料から成形品を製造する装置
JPS5825896A (ja) * 1981-07-17 1983-02-16 オイゲン・ビユ−ラ− 流動性の成形材から成形品を製造する装置
JPS5939499A (ja) * 1982-08-28 1984-03-03 Tokyo Shiyouketsu Kinzoku Kk 圧粉体の成形方法
JPS6233701A (ja) * 1985-08-05 1987-02-13 Ube Ind Ltd 微粉成形品の成形装置
JPS6442799U (ja) * 1987-09-10 1989-03-14
JP2010264598A (ja) * 2009-05-12 2010-11-25 National Institute Of Advanced Industrial Science & Technology 成形型、その製造方法、複雑形状の中空セラミック製品、およびそのような製品を製造する方法

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3144678A1 (de) * 1981-11-10 1983-05-19 Eugen Dipl.-Ing. 8871 Burtenbach Bühler Verfahren und einrichtung zur herstellung von formlingen aus einer rieselfaehigen masse
DE3239815A1 (de) * 1982-10-27 1984-05-03 Gebrüder Netzsch, Maschinenfabrik GmbH & Co, 8672 Selb Presswerkzeug zum isostatischen pressen keramischer formlinge
GB2132601B (en) * 1982-12-23 1986-08-20 Ferranti Plc Joining articles of materials of different expansion coefficients
DE3339487A1 (de) * 1983-10-31 1985-05-15 Bühler, Eugen, Dipl.-Ing., 8877 Burtenbach Verfahren zur herstellung eines trockengepressten formlings aus trockener, rieselfaehiger formmasse, insbesondere keramischer formmasse
DE3341959C1 (de) * 1983-11-21 1985-04-18 Eugen Dipl.-Ing. 8877 Burtenbach Bühler Vorrichtung zur Herstellung von Formlingen aus trockener,rieselfaehiger Formmasse,insbesondere keramischer Formmasse Stichwort:Kombiniertes Fuell-,Press- und Entnahmewerkzeug
DE3406475A1 (de) * 1984-02-23 1985-08-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter
DE3425392A1 (de) * 1984-07-10 1986-02-13 Bühler, Eugen, Dipl.-Ing., 8877 Burtenbach Verfahren zur herstellung von flachformlingen und einrichtung zur durchfuehrung dieses verfahrens
DE3446175C2 (de) * 1984-12-18 1987-04-30 Gebrüder Netzsch, Maschinenfabrik GmbH & Co, 8672 Selb Verfahren und Vorrichtungen zum Herstellen mit Dekor versehener keramischer Formlinge
DE3512852A1 (de) * 1985-04-10 1986-10-16 Dorst - Maschinen- und Anlagen-Bau Otto Dorst u. Dipl. Ing. Walter Schlegel GmbH & Co, 8113 Kochel Presswerkzeug zur herstellung von schalenfoermigen presskoerpern, insbesondere platten, tellern, bechern, schuesseln od.dgl. aus pulverfoermigem, vorzugsweise keramischen material
DE3613202A1 (de) * 1985-05-14 1986-11-20 Bühler, Eugen, Dipl.-Ing., 8877 Burtenbach Einrichtung zur herstellung von keramischen formlingen stichwort: gefederter schiesskopf
DE3517463C1 (de) * 1985-05-14 1986-09-04 Bühler, Eugen, Dipl.-Ing., 8877 Burtenbach Isostatische Pressform zur Herstellung von Formlingen aus keramischer Masse
DE3518142A1 (de) * 1985-05-21 1986-11-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter
DE3542332A1 (de) * 1985-11-29 1987-06-04 Hutschenreuther Verfahren und einrichtung zur herstellung von mit kanaelen versehenen presslingen aus pulverfoermiger formmasse, insbesondere keramischer formmasse stichwort: honeycomb
DE3624918A1 (de) * 1986-07-23 1988-01-28 Standard Elektrik Lorenz Ag Verfahren zum herstellen von lichtwellenleitern, ausgehend von pulverfoermigem glasausgangsmaterial
EP0294519B1 (en) * 1987-04-27 1993-03-24 Inax Corporation Dry-type powder pressing method and apparatus
IT1218634B (it) * 1987-06-05 1990-04-19 Omv Spa Off Mecc Veronese Procedimento per la realizzazione di una depressione in camere formate fra un estrettore a piastre piana ed oggetti cavi termoformati
IT1213975B (it) * 1987-07-22 1990-01-05 Int Stampi Srl Apparecchiatura di stampaggio,in particolare per la formatura dipiastrelle ceramiche
DE3735751A1 (de) * 1987-10-22 1989-05-03 Plansee Metallwerk Heteroporoeses formwerkzeug zur herstellung von gussformen aus formsand und verfahren zu dessen herstellung
DE3903080A1 (de) * 1989-02-02 1990-08-09 Ohlmann Anlagen Maschbau Verfahren und vorrichtung zum herstellen eines, insbesondere tellerfoermigen, formlings aus einem granulat
EP0446664A1 (de) * 1990-03-14 1991-09-18 Asea Brown Boveri Ag Verfahren und Vorrichtung zur Herstellung eines beliebig kompliziert geformten Bauteils durch Erzeugung eines dichtgepakten Formkörpers ausgehend von einem rieselfähigen Pulver
EP0446665A1 (de) * 1990-03-14 1991-09-18 Asea Brown Boveri Ag Verfahren zur Herstellung eines Bauteils durch Erzeugung eines Formkörpers ausgehend von einem metallischen oder keramischen Pulver
DE4012700A1 (de) * 1990-04-20 1991-10-31 Hutschenreuther Verfahren zur herstellung eines keramischen formkoerpers und einrichtung zum pressen eines keramischen formlings
US5336465A (en) * 1991-12-03 1994-08-09 Janome Sewing Machine Co., Ltd. Method of making bone-implants
EP0726790B1 (en) * 1993-10-29 1997-09-03 Medtronic, Inc. Method of manufacturing a medical electrical lead
DE19537204A1 (de) * 1995-10-06 1997-04-10 Ernst Otto Kruse Vorrichtung zum Herstellen von Gießformen
DE19655149C2 (de) * 1996-01-04 2002-03-14 Klaus Strobel Verfahren zur Herstellung trockengepreßter Formlinge
WO1998043793A1 (de) * 1997-03-27 1998-10-08 Rieter-Werke Händle GmbH & Co. KG Form zum pressen von formkörpern aus plastischen massen
DE59700058D1 (de) * 1997-03-27 1999-02-04 Rieter Werke Haendle Form zum Pressen von Formkörpern aus plastischen Massen
ES2156507B1 (es) * 1998-10-19 2002-02-01 Lopez Jose Bueno Valvula de retencion, especialmente para circuitos neumaticos.
SE0000171D0 (sv) * 2000-02-02 2000-02-02 Hoeganaes Ab Powder filling method and arrangement therefor
US6588462B1 (en) * 2000-05-26 2003-07-08 Taro Ogawa Filling device and filling method
US7838026B2 (en) 2001-09-28 2010-11-23 Mcneil-Ppc, Inc. Burst-release polymer composition and dosage forms comprising the same
US7217381B2 (en) * 2001-09-28 2007-05-15 Mcneil-Ppc, Inc. Systems, methods and apparatuses for manufacturing dosage forms
US6767200B2 (en) * 2001-09-28 2004-07-27 Mcneil-Ppc, Inc. Systems, methods and apparatuses for manufacturing dosage forms
US6982094B2 (en) * 2001-09-28 2006-01-03 Mcneil-Ppc, Inc. Systems, methods and apparatuses for manufacturing dosage forms
US7323192B2 (en) * 2001-09-28 2008-01-29 Mcneil-Ppc, Inc. Immediate release tablet
US6742646B2 (en) * 2001-09-28 2004-06-01 Mcneil-Ppc, Inc. Systems, methods and apparatuses for manufacturing dosage forms
US7122143B2 (en) 2001-09-28 2006-10-17 Mcneil-Ppc, Inc. Methods for manufacturing dosage forms
US6837696B2 (en) * 2001-09-28 2005-01-04 Mcneil-Ppc, Inc. Apparatus for manufacturing dosage forms
US20040062804A1 (en) 2001-09-28 2004-04-01 Der-Yang Lee Modified release dosage forms
ITRE20020025U1 (it) * 2002-07-29 2004-01-29 Sacmi Molds & Dies S P A Mezzi di connessione idraulica tra tampone isostatico e rispettivo zoccolo
US7807197B2 (en) * 2002-09-28 2010-10-05 Mcneil-Ppc, Inc. Composite dosage forms having an inlaid portion
US20050074514A1 (en) * 2003-10-02 2005-04-07 Anderson Oliver B. Zero cycle molding systems, methods and apparatuses for manufacturing dosage forms
US8673352B2 (en) 2005-04-15 2014-03-18 Mcneil-Ppc, Inc. Modified release dosage form
US20090014919A1 (en) * 2007-07-13 2009-01-15 Advanced Ceramics Manufacturing Llc Aggregate-based mandrels for composite part production and composite part production methods
US9314941B2 (en) 2007-07-13 2016-04-19 Advanced Ceramics Manufacturing, Llc Aggregate-based mandrels for composite part production and composite part production methods
US20090059714A1 (en) * 2007-09-05 2009-03-05 Bepex International, Llc Gravity flow processor for particulate materials
SE533916C2 (sv) * 2008-05-13 2011-03-01 Seco Tools Ab Form för formsprutning av för skärverktyg avsedda skär som har en luftspalt med kontrollerad bredd och en metod för att framställa sådana skär
CN114055601B (zh) * 2021-07-30 2023-04-14 东阳森久玩具有限公司 塑压产品的生产工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20460A (en) * 1858-06-01 Improvement in the manufacture of pliers
US1863854A (en) * 1929-11-04 1932-06-21 Champion Porcelain Company Method of and apparatus for shaping articles
DE604691C (de) * 1932-04-27 1934-10-26 Champion Spark Plug Co Verfahren zur Herstellung von Formlingen, insbesondere aus keramischem Stoff
DE864676C (de) * 1951-06-09 1953-01-26 Philips Patentverwaltung Vorrichtung und Verfahren zur Herstellung keramischer Formteile
DE1097621B (de) * 1956-03-23 1961-01-19 Fritz Hansberg Verfahren und Formmaschine zur pneumatischen Herstellung von Giessereikernen und Giessereiformen sowie Kasten hierfuer
US3099045A (en) * 1960-06-01 1963-07-30 American Can Co Method and apparatus for molding preexpanded plastic beads
US3338999A (en) * 1964-06-15 1967-08-29 Corning Glass Works Method of assisting mold cavity fill
FR1542605A (fr) * 1966-07-29 Werz Furnier Sperrholz Procédé pour remplir les moules dans le moulage à la presse et dispositif pour lamise en oeuvre de ce procédé
US3664799A (en) * 1969-11-04 1972-05-23 American Standard Inc Powder compacting press
US4191726A (en) * 1977-06-24 1980-03-04 Gebrueder Buehler Ag Process and apparatus for manufacturing molded parts from granulated plastic materials

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825897A (ja) * 1981-07-17 1983-02-16 オイゲン・ビユ−ラ− 流動性材料から成形品を製造する装置
JPS5825896A (ja) * 1981-07-17 1983-02-16 オイゲン・ビユ−ラ− 流動性の成形材から成形品を製造する装置
JPH0231640B2 (ja) * 1981-07-17 1990-07-16 Byuuraa Oigen
JPH0234720B2 (ja) * 1981-07-17 1990-08-06 Byuuraa Oigen
JPS5939499A (ja) * 1982-08-28 1984-03-03 Tokyo Shiyouketsu Kinzoku Kk 圧粉体の成形方法
JPH035919B2 (ja) * 1982-08-28 1991-01-28 Tokyo Shoketsu Kinzoku Kk
JPS6233701A (ja) * 1985-08-05 1987-02-13 Ube Ind Ltd 微粉成形品の成形装置
JPS6442799U (ja) * 1987-09-10 1989-03-14
JP2010264598A (ja) * 2009-05-12 2010-11-25 National Institute Of Advanced Industrial Science & Technology 成形型、その製造方法、複雑形状の中空セラミック製品、およびそのような製品を製造する方法

Also Published As

Publication number Publication date
FR2473943A1 (fr) 1981-07-24
GB2067461A (en) 1981-07-30
IT8167072A0 (it) 1981-01-22
IT1143293B (it) 1986-10-22
US4473526A (en) 1984-09-25
FR2473943B1 (fr) 1987-08-21
JPS6216759B2 (ja) 1987-04-14
GB2067461B (en) 1984-02-29
DE3101236C2 (de) 1984-12-13
DE3101236A1 (de) 1982-01-28

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