FR2130114B1 - - Google Patents

Info

Publication number
FR2130114B1
FR2130114B1 FR7207060A FR7207060A FR2130114B1 FR 2130114 B1 FR2130114 B1 FR 2130114B1 FR 7207060 A FR7207060 A FR 7207060A FR 7207060 A FR7207060 A FR 7207060A FR 2130114 B1 FR2130114 B1 FR 2130114B1
Authority
FR
France
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
FR7207060A
Other languages
French (fr)
Other versions
FR2130114A1 (en
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.)
ERFINOR AG
Original Assignee
ERFINOR 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 ERFINOR AG filed Critical ERFINOR AG
Publication of FR2130114A1 publication Critical patent/FR2130114A1/fr
Application granted granted Critical
Publication of FR2130114B1 publication Critical patent/FR2130114B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Adornments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7207060A 1971-03-17 1972-03-01 Watch bearings - prepd from compressed sintered alumina perforated and grooved simultaneously Granted FR2130114A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH392071A CH561924B5 (fr) 1971-03-17 1971-03-17 Procédé de fabrication de pierres à trou pour l'horlogerie et paliers pour pièces d'horlogerie obtenues par ce procédé

Publications (2)

Publication Number Publication Date
FR2130114A1 FR2130114A1 (en) 1972-11-03
FR2130114B1 true FR2130114B1 (enrdf_load_stackoverflow) 1974-09-13

Family

ID=4266330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207060A Granted FR2130114A1 (en) 1971-03-17 1972-03-01 Watch bearings - prepd from compressed sintered alumina perforated and grooved simultaneously

Country Status (3)

Country Link
CH (1) CH561924B5 (enrdf_load_stackoverflow)
FR (1) FR2130114A1 (enrdf_load_stackoverflow)
IT (1) IT946946B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2778801B1 (fr) * 2013-03-11 2019-06-05 Comadur S.A. Coussinet comportant des premier et deuxième éléments fonctionnels sur deux faces distinctes
CH714323A2 (fr) 2017-11-13 2019-05-15 Comadur Sa Procédé de fabrication d'une pierre percée.
EP3835881A1 (fr) 2019-12-10 2021-06-16 Comadur S.A. Pierre, notamment pour un mouvement d'horlogerie, et son procédé de fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1241328A (fr) * 1958-10-13 1960-09-16 Norton Co Procédé de fabrication de pièces dures résistant à l'usure
DE1523725B2 (de) * 1967-08-16 1973-02-22 Erfinor AG, Sitz bei Advokatur und Notanatsbureau Prof D H Marti, Bern Verfahren zur herstellung von uhrensteinen

Also Published As

Publication number Publication date
CH392071A4 (enrdf_load_stackoverflow) 1975-03-31
IT946946B (it) 1973-05-21
CH561924B5 (fr) 1975-05-15
DE2208578A1 (de) 1972-09-28
FR2130114A1 (en) 1972-11-03
DE2208578B2 (de) 1977-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse