Blank-holding means and method of surveying same

/Home/Professional Dental Resources/Dental Patent Articles/Pending Dental Patent Applications

Blank-holding means and method of surveying same
USPTO Patent Full-Text and Database
Rothenberger, Bernd
US Patent Application: 20050008989
Publication Date: January 13, 2005
Kind Code A1
Inventors: Rothenberger, Bernd; (Gernsbach, DE) ; Pieper, Reinhard; (Bensheim, DE)
Correspondence Name and Address:
DYKEMA GOSSETT PLLC
FRANKLIN SQUARE, THIRD FLOOR WEST
1300 I STREET, NW
WASHINGTON
DC
20005
US
Assignee Name and Adress: Sirona Dental Systems GmbH
Serial No.: 847669
Series Code: 10
Filed: May 18, 2004
Abstract:
The invention relates to holding means for a blank for the production of dental fitted shells, including connection geometry for the blank and a shaft for attachment thereof in a chuck of a processing machine. The holding means has, above the shaft, survey geometry, the orientation of the connection geometry relative to the survey geometry being known.