Patent ID: 7390449
Filing Date: 2008-06-24
Classification: B28B

Abstract:
1. A method of manufacturing a ceramic body by a sheet forming process comprising: providing a ceramic sheet; forming at least two parallel channels in said ceramic sheet, said parallel channels having three sides, said parallel channels being at least one part of a contour of a ceramic body and wherein a thickness of said ceramic sheet at portions where said at least two parallel channels are formed is thinner than other portions of said ceramic sheet; forming a through hole in said ceramic sheet, said through hole being connected to one of said parallel channels, and at least one surface of said through hole comprising a flat surface of the contour of the ceramic body; and cutting said ceramic sheet to form a ceramic body, wherein at least part of the contour of said ceramic body comprises a combination of a flat surface and a slanted surface intersecting the flat surface at an angle, said slanted surface being at least one surface of said parallel channels.