FR2195185A5 - High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments - Google Patents

High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments

Info

Publication number
FR2195185A5
FR2195185A5 FR7228276A FR7228276A FR2195185A5 FR 2195185 A5 FR2195185 A5 FR 2195185A5 FR 7228276 A FR7228276 A FR 7228276A FR 7228276 A FR7228276 A FR 7228276A FR 2195185 A5 FR2195185 A5 FR 2195185A5
Authority
FR
France
Prior art keywords
matrices
central
coaxial
matrix
forming
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
FR7228276A
Other languages
French (fr)
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.)
INST FIZ TVERDOGO
Original Assignee
INST FIZ TVERDOGO
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 INST FIZ TVERDOGO filed Critical INST FIZ TVERDOGO
Priority to FR7228276A priority Critical patent/FR2195185A5/en
Application granted granted Critical
Publication of FR2195185A5 publication Critical patent/FR2195185A5/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/065—Presses for the formation of diamonds or boronitrides

Abstract

Title device comprises 2 identical matrices united at the periphery, bearing on their opposing faces circular projections (I) coaxial with central impressions provided on each face, which, when the matrices approach each other, form a high - pressure chamber in which is placed a capsule of electrically and thermally insulating material which is plastic under pressure. (I) are such that the opposing matrix faces have in their diametral section a sawtooth profile, forming, as the matrices approach, concentric circular reservoir compartments, which are filled during compression by the capsule material, the spacings between the projections increasing progressively towards the matrix periphery, and the vol. of the compartments being such that, for a predetermined pressure in the chamber, the pressure of the capsule material on the matrix faces diminishes progressively from the central impression towards the matrix periphery. It is used for making diamonds and cubic BN.
FR7228276A 1972-08-04 1972-08-04 High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments Expired FR2195185A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7228276A FR2195185A5 (en) 1972-08-04 1972-08-04 High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228276A FR2195185A5 (en) 1972-08-04 1972-08-04 High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments

Publications (1)

Publication Number Publication Date
FR2195185A5 true FR2195185A5 (en) 1974-03-01

Family

ID=9102919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228276A Expired FR2195185A5 (en) 1972-08-04 1972-08-04 High pressure and temp forming device - matrices having circular projec-tions coaxial with central impressions and forming reservoir compartments

Country Status (1)

Country Link
FR (1) FR2195185A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2287266A1 (en) * 1974-10-11 1976-05-07 Inst Fiziki Vysokikh Davleny Impervious packing seated in grooves of adjacent die heads - of multiple head punch for high temp. and press. gives higher press. acting on work mass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2287266A1 (en) * 1974-10-11 1976-05-07 Inst Fiziki Vysokikh Davleny Impervious packing seated in grooves of adjacent die heads - of multiple head punch for high temp. and press. gives higher press. acting on work mass

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Legal Events

Date Code Title Description
ST Notification of lapse