CH392071A4 - - Google Patents

Info

Publication number
CH392071A4
CH392071A4 CH392071A CH392071A CH392071A4 CH 392071 A4 CH392071 A4 CH 392071A4 CH 392071 A CH392071 A CH 392071A CH 392071 A CH392071 A CH 392071A CH 392071 A4 CH392071 A4 CH 392071A4
Authority
CH
Switzerland
Application number
CH392071A
Other versions
CH561924B5 (fr
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 filed Critical
Priority to CH392071A priority Critical patent/CH561924B5/xx
Priority to IT19842/72A priority patent/IT946946B/it
Priority to DE19722208578 priority patent/DE2208578C3/de
Priority to FR7207060A priority patent/FR2130114A1/fr
Publication of CH392071A4 publication Critical patent/CH392071A4/xx
Publication of CH561924B5 publication Critical patent/CH561924B5/xx

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Adornments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CH392071A 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 CH561924B5 (fr)

Priority Applications (4)

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
IT19842/72A IT946946B (it) 1971-03-17 1972-01-26 Procedimento di fabbricazione di pietre forate per orologeria e pezzi ottenuti con questo proce dimento
DE19722208578 DE2208578C3 (de) 1971-03-17 1972-02-23 Verfahren zur Herstellung von Uhren-Lochsteinen
FR7207060A FR2130114A1 (en) 1971-03-17 1972-03-01 Watch bearings - prepd from compressed sintered alumina perforated and grooved simultaneously

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
CH392071A4 true CH392071A4 (enrdf_load_stackoverflow) 1975-03-31
CH561924B5 CH561924B5 (fr) 1975-05-15

Family

ID=4266330

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
DE2208578A1 (de) 1972-09-28
FR2130114A1 (en) 1972-11-03
CH561924B5 (fr) 1975-05-15
IT946946B (it) 1973-05-21
DE2208578B2 (de) 1977-02-03
FR2130114B1 (enrdf_load_stackoverflow) 1974-09-13

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Legal Events

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