COMADUR S.A. Patent applications |
Patent application number | Title | Published |
20160115082 | PROCESS FOR THE PRODUCTION OF A ZIRCONIA-BASED, COLOURED, IN PARTICULAR GREY, ARTICLE AND A ZIRCONIA-BASED COLOURED DECORATIVE ARTICLE OBTAINED USING THIS PROCESS - A process for the production of a grey zirconia-based article wherein a first mixture includes a zirconia powder forming the base constituent, 4% to 15% by weight of at least one stabiliser selected from among the group of oxides including yttrium oxide, magnesium oxide and calcium oxide alone or in combination, 0.1% to 1% by weight of a vanadium oxide powder (V | 04-28-2016 |
20160108216 | BINDER FOR INJECTION MOULDING COMPOSITIONS - The invention also concerns a binder for an injection moulding composition including:
| 04-21-2016 |
20160060176 | METHOD FOR FABRICATING A COLOURED, ZIRCONIA-BASED ARTICLE; IN PARTICULAR AN ORANGE COLOURED ARTICLE; AND A COLOURED, ZIRCONIA-BASED ARTICLE OBTAINED ACCORDING TO THE METHOD - The invention concerns a method for fabricating an orange, zirconia-based article, characterized in that it includes the series of steps consisting in creating a first mixture comprising a zirconia powder, 3 to 20% by weight of at least one stabilizer chosen from the group of oxides comprising yttrium oxide, magnesium oxide, and calcium oxide, alone or in combination, 0.1% to 5% by weight of at least one element intended to form a vitreous phase, and chosen from the group comprising silicon oxide, aluminium oxide, lithium oxide and yttrium oxide, alone or in combination, 1% to 6% by weight of a cerium oxide powder; creating a second mixture including said first mixture and a binder; creating a granulated mixture by granulating said second mixture; forming a green body by giving said second granulated mixture the shape of the desired article; air sintering for at least thirty minutes at a temperature comprised between 1,250 and 1,500° C. and annealing the desired article at a temperature comprised between 700° C. and 1,350° C. for a period comprised between 30 minutes and 20 hours in a reducing atmosphere, and polishing said sintered green body. | 03-03-2016 |
20140338398 | SYSTEM OF ASSEMBLING AT LEAST THREE PARTS - The invention relates to an assembly system including first and second parts each including a blind recess and at least one third part including a through hole. According to the invention, the assembly system further includes a permanent securing device including a pin mounted in the through hole of the at least one third part, the pin including, at a first end, a first means of locking one of the first and second parts in its blind recess, and a socket whose external wall includes a second means of locking the other of the first and second parts in its blind recess, and whose internal wall is welded to the second end of the pin in order to join the first, second and at least one third parts to each other with no plastic deformation of the first and second parts. | 11-20-2014 |
20140336034 | MIXER, METHOD OF MIXING RAW MATERIAL FOR POWDER METALLURGY BINDER FOR INJECTION MOULDING COMPOSITION - Mixer for ceramic feedstock pellets with a tank, a mixing means, and heat exchange means including cooling means for the cooling of the content of this tank. | 11-13-2014 |
20140254332 | BEARING INCLUDING FIRST AND SECOND FUNCTIONAL ELEMENTS ON TWO DISTINCT FACES - The invention relates to a bearing comprising a sintered ceramic body traversed by a hole. According to the invention, the body includes a top surface and a bottom surface each of which includes a functional element communicating with said hole. | 09-11-2014 |
20140004777 | SYSTEM OF POLISHING EXTERNAL PIECES FOR A TIMEPIECE | 01-02-2014 |
20130343165 | EXTERNAL PIECE FOR A TIMEPIECE AND SYSTEM OF MANUFACTURING THE SAME - An external piece for a time piece and a method of manufacturing the same, including a top surface and a bottom surface. At least one of the faces includes a longitudinal curvature and a transverse curvature that are different. | 12-26-2013 |
20130182544 | MEMBER COMPRISING A CERAMIC ELEMENT - The invention relates to a member ( | 07-18-2013 |
20130010578 | METHOD FOR FABRICATING A NON-MARKING, MATT CERAMIC - The invention relates to a method (1) for fabricating a matt ceramic part ( | 01-10-2013 |
20120329372 | SYSTEM FOR MACHINING A BEVEL - The invention relates to a system ( | 12-27-2012 |
20120198885 | WATCH BRACELET WITH CERAMIC LINKS - Housing insert ( | 08-09-2012 |