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US 2024/0189929 A1Published application
Blank holder and blank
AssigneeIvoclar Vivadent AG
InventorsMarkus Lichtensteiger, Sven Hellmich
Life of this patent
Estimating the term…
Abstract
A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
Claims17
A blank holder and blank combination comprising
- a blank holder, and
- a polygonal-shaped blank,
- wherein the blank holder comprises a receiving area for the blank,
- wherein the receiving area forms an at least partially straight form-fitting profile, and
- wherein the blank has an at least partially straight guide shell which can be pushed into the form-fitting profile, in the longitudinal direction of the form-fitting profile, and which can be engaged.
2 more elements
A method for mounting a blank on a blank holder comprising
- fixing a guide shell by gluing to an outer circumference of the blank before mounting,
- turning the blank with the guide shell into a form-fitting profile of a receiving area of the blank holder or pushing the blank in the longitudinal direction of the form-fitting profile until the blank with the guide shell engages and is fixed in a latching position against a stop.
Dependencies are inferred from the claim text.