CAD/CAM-machinable disc for the manufacture of fiber inlay-cores
AssigneeSociete De Recherches Techniques Dentaires—Rtd
InventorsPierre-Luc Reynaud, Manh-Quynh Chu, Mélissa Gonzalez, Cyril Rajon
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Abstract
The invention concerns a preform for a CAD/CAM machining apparatus having an upper face and a lower face a11d in which at least one of the cells is filled with a composite material to be machined by CAD/CAM, said material comprising long unidirectional fibers embedded in a cross-linked polymer matrix.
Claims15
A preform for a CAD/CAM machining apparatus, the preform having an upper face and a lower face and comprising at least one cell filled with a composite material to be machined by CAD/CAM, said composite material comprising fibers embedded in a cross-linked polymer matrix, wherein at least 80% of the fibers are longitudinally oriented unidirectional fibers that are vertical to the upper and lower faces of the preform, wherein a material in the preform surrounding the at least one cell includes a resin and does not include fibers.
Dependencies are inferred from the claim text.