JPS5687605A - Producing device of temperature sensitive magnetic body - Google Patents

Producing device of temperature sensitive magnetic body

Info

Publication number
JPS5687605A
JPS5687605A JP16346679A JP16346679A JPS5687605A JP S5687605 A JPS5687605 A JP S5687605A JP 16346679 A JP16346679 A JP 16346679A JP 16346679 A JP16346679 A JP 16346679A JP S5687605 A JPS5687605 A JP S5687605A
Authority
JP
Japan
Prior art keywords
raw material
powder
green compact
molding position
supply compartment
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.)
Pending
Application number
JP16346679A
Other languages
Japanese (ja)
Inventor
Masato Sagawa
Wataru Yamagishi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16346679A priority Critical patent/JPS5687605A/en
Publication of JPS5687605A publication Critical patent/JPS5687605A/en
Pending legal-status Critical Current

Links

Landscapes

  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To reduce green compact molding time and make possible mass production by preheating ferromagnetic material powder in stock piling state, and protecting the ferromagnetic material powder in the stock piling state and molding position.
CONSTITUTION: Devices such as compressing means 21, supply compartment 31 for stock piling, etc. are covered with a box 35, and the powder raw material 24b in the green compact molding position and supply compartment 31 is protected with a nitrogen or inert gas. The supply compartment 31 supplies the raw material from a funnel-shaped hopper, and is made gradually smaller on the outlet side. A heater 27b is provided roughly at the center of the compartment 31 to preheat the raw material. The preheated raw material is supplied into the cavity formed by a metal mold or die 25 and lower punch 23b by a valve 36, is heated to above the transition temp. by the heater 27a, and is compression-molded by an upper punch 23a. Thereby, the instantaneous compaction in the green compact molding position is made possible and since the entire part of the device is protected by the inert gas, the powder explosion is perfectly prevented.
COPYRIGHT: (C)1981,JPO&Japio
JP16346679A 1979-12-18 1979-12-18 Producing device of temperature sensitive magnetic body Pending JPS5687605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16346679A JPS5687605A (en) 1979-12-18 1979-12-18 Producing device of temperature sensitive magnetic body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16346679A JPS5687605A (en) 1979-12-18 1979-12-18 Producing device of temperature sensitive magnetic body

Publications (1)

Publication Number Publication Date
JPS5687605A true JPS5687605A (en) 1981-07-16

Family

ID=15774403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16346679A Pending JPS5687605A (en) 1979-12-18 1979-12-18 Producing device of temperature sensitive magnetic body

Country Status (1)

Country Link
JP (1) JPS5687605A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700295A1 (en) * 1993-01-14 1994-07-13 Sgn Soc Gen Tech Nouvelle Compaction of metallic waste likely to ignite and / or explode.
FR2746054A1 (en) * 1996-03-13 1997-09-19 Cogema METHOD, MEANS AND DEVICE FOR COMPACTING, COMPATIBLE TO COMPACTION OF PYROPHORIC TREND MATERIALS

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700295A1 (en) * 1993-01-14 1994-07-13 Sgn Soc Gen Tech Nouvelle Compaction of metallic waste likely to ignite and / or explode.
WO1994015775A1 (en) * 1993-01-14 1994-07-21 Compagnie Generale Des Matieres Nucleaires, Societe Anonyme Compaction of inflammable and/or explosive metal waste
GB2290251A (en) * 1993-01-14 1995-12-20 Cogema Compaction of inflammable and/or explosive metal waste
GB2290251B (en) * 1993-01-14 1996-10-02 Cogema Compacting flamable and/or explosive metal waste
FR2746054A1 (en) * 1996-03-13 1997-09-19 Cogema METHOD, MEANS AND DEVICE FOR COMPACTING, COMPATIBLE TO COMPACTION OF PYROPHORIC TREND MATERIALS
US6048419A (en) * 1996-03-13 2000-04-11 Campagnie Generale Des Matieres Nucleaires Compacting means and device suitable for the compacting of materials with a pyrophoric tendency

Similar Documents

Publication Publication Date Title
EP0393389A3 (en) Staged shooting pot for injection molding
HU9900591D0 (en) Molding process for the production of light metal alloys and associated items of equipment
ES447698A2 (en) Production of powder metallurgical parts by formation of sintered preforms in thermally degradable molds
JPS5687605A (en) Producing device of temperature sensitive magnetic body
ES448865A1 (en) Method of and apparatus for molding a receptacle
US4125592A (en) Method of forming a silicon nitride article
ES2016904A6 (en) Molding process and apparatus
GB1101033A (en) Improvements in or relating to moulding methods and devices, notably for the manufacture of lipsticks or the like
GB1220592A (en) Improvements in or relating to powder-compacting dies
EP0288236A3 (en) Process for producing high temperature superconducting material
JPS57195574A (en) Investment casting method
JPS5536024A (en) Casting method of low melting metal part
JPS51147401A (en) A process for production of non-sintered agglomerated ores
JPS55144357A (en) Shell mold casting device
JPS55113803A (en) Production of magnetic material
JPS5684141A (en) Casting sand for cold box process and manufacture of casting mold
JPS57171543A (en) Metal mold casting device
JPS56139252A (en) Heat insulating vessel for vacuum-molding mold
Li et al. The Study on the Hot-Pressing Equation for Powders--Verification by the Hot-Pressing of Iron Powder
JPS53102969A (en) Production of highly formed sandwich product and device therefor
JPS5662648A (en) Metal mold for prevention of camber
JPS55114525A (en) Manufacture of modified material
JPS5770079A (en) Production of longitudinally short steel ingot
JPS56130330A (en) Metal mold of hot runner/cold gate system
JPS5579807A (en) Production of portable watch case with decorative plate