EP0988959A3 - Powder compaction method - Google Patents

Powder compaction method Download PDF

Info

Publication number
EP0988959A3
EP0988959A3 EP99118060A EP99118060A EP0988959A3 EP 0988959 A3 EP0988959 A3 EP 0988959A3 EP 99118060 A EP99118060 A EP 99118060A EP 99118060 A EP99118060 A EP 99118060A EP 0988959 A3 EP0988959 A3 EP 0988959A3
Authority
EP
European Patent Office
Prior art keywords
mold
powder
compact
shapes
pim
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.)
Withdrawn
Application number
EP99118060A
Other languages
German (de)
French (fr)
Other versions
EP0988959A2 (en
Inventor
Masato Sagawa
Toshihiro Watanabe
Hiroshi Nagata
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.)
Intermetallics Co Ltd
Original Assignee
Intermetallics Co 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 Intermetallics Co Ltd filed Critical Intermetallics Co Ltd
Publication of EP0988959A2 publication Critical patent/EP0988959A2/en
Publication of EP0988959A3 publication Critical patent/EP0988959A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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

Abstract

A powder compaction method in which a powder p is filled by air tapping or other suitable method into a mold 1, then while the mold 1 being filled with the powder, the powder particles are bound with each other without application of force from outside the mold to form a compact C, and then the compact C is taken out from the mold 1. This method produces a variety of shapes of the compact far greater than in conventional methods, and net shape manufacturing of products with complex shapes is made possible by this method. Because this method uses far less binder compared to MIM and PIM that are expected as methods for producing products with complicated shapes, the time needed for elimination of the binder is much shorter than in MIM and PIM.
EP99118060A 1998-09-24 1999-09-23 Powder compaction method Withdrawn EP0988959A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26927398 1998-09-24
JP26927398A JP3992376B2 (en) 1998-09-24 1998-09-24 Powder molding method

Publications (2)

Publication Number Publication Date
EP0988959A2 EP0988959A2 (en) 2000-03-29
EP0988959A3 true EP0988959A3 (en) 2002-03-27

Family

ID=17470066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99118060A Withdrawn EP0988959A3 (en) 1998-09-24 1999-09-23 Powder compaction method

Country Status (2)

Country Link
EP (1) EP0988959A3 (en)
JP (1) JP3992376B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4641576B2 (en) * 1999-09-07 2011-03-02 インターメタリックス株式会社 Filling method and apparatus
JP4391897B2 (en) 2004-07-01 2009-12-24 インターメタリックス株式会社 Manufacturing method and manufacturing apparatus for magnetic anisotropic rare earth sintered magnet
US9384890B2 (en) 2013-02-04 2016-07-05 Intermetallics Co., Ltd. Powder-filling system
JP6280137B2 (en) 2014-09-28 2018-02-14 Ｎｄｆｅｂ株式会社 Manufacturing method of rare earth sintered magnet and manufacturing apparatus used in the manufacturing method
CN105235274B (en) * 2015-08-21 2017-03-01 南通艾迈特机械有限公司 A kind of modified form material injecting device
JP6834249B2 (en) * 2016-02-18 2021-02-24 大同特殊鋼株式会社 Powder filling equipment and sintered magnet manufacturing equipment
DE102018109592A1 (en) * 2018-04-20 2019-10-24 Ald Vacuum Technologies Gmbh Flash smelting process

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1300949A (en) * 1961-06-30 1962-08-10 Manufacturing process for reinforced thermoplastic surfaces
GB1557034A (en) * 1976-09-01 1979-12-05 Mcphersons Ltd Method and apparatus for shaping heat bondable materials
GB1602785A (en) * 1978-01-24 1981-11-18 Voitas Edward Joseph Drill bushing pump seal or similar articles and method of making same
WO1983000325A1 (en) * 1981-07-27 1983-02-03 Great Lakes Carbon Corp Sintered refractory hard metals
EP0231588A1 (en) * 1985-11-07 1987-08-12 Porous Plastics Limited Method of producing an at least partially sintered product
WO1994018141A1 (en) * 1993-02-10 1994-08-18 The Morgan Crucible Company Plc Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same
JPH0748603A (en) * 1993-08-02 1995-02-21 Inter Metallics Kk Green compact forming device
KR950008604B1 (en) * 1992-09-16 1995-08-03 쌍용양회공업주식회사 Sintering processes for silicon nitride
US5725816A (en) * 1995-09-11 1998-03-10 Intermetallics Co., Ltd. Packing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920379B2 (en) * 1976-07-23 1984-05-12 三菱重工業株式会社 Powder filling method
JPS62180003A (en) * 1986-01-31 1987-08-07 Sintokogio Ltd Production of sintered body
JP3710184B2 (en) * 1995-12-15 2005-10-26 インターメタリックス株式会社 Filling method of filling material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1300949A (en) * 1961-06-30 1962-08-10 Manufacturing process for reinforced thermoplastic surfaces
GB1557034A (en) * 1976-09-01 1979-12-05 Mcphersons Ltd Method and apparatus for shaping heat bondable materials
GB1602785A (en) * 1978-01-24 1981-11-18 Voitas Edward Joseph Drill bushing pump seal or similar articles and method of making same
WO1983000325A1 (en) * 1981-07-27 1983-02-03 Great Lakes Carbon Corp Sintered refractory hard metals
EP0231588A1 (en) * 1985-11-07 1987-08-12 Porous Plastics Limited Method of producing an at least partially sintered product
KR950008604B1 (en) * 1992-09-16 1995-08-03 쌍용양회공업주식회사 Sintering processes for silicon nitride
WO1994018141A1 (en) * 1993-02-10 1994-08-18 The Morgan Crucible Company Plc Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same
JPH0748603A (en) * 1993-08-02 1995-02-21 Inter Metallics Kk Green compact forming device
US5725816A (en) * 1995-09-11 1998-03-10 Intermetallics Co., Ltd. Packing method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE EPODOC EUROPEAN PATENT OFFICE, THE HAGUE, NL; XP002187368 *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 05 30 June 1995 (1995-06-30) *

Also Published As

Publication number Publication date
JP3992376B2 (en) 2007-10-17
JP2000096104A (en) 2000-04-04
EP0988959A2 (en) 2000-03-29

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