Oven, in particular for dental material
AssigneeIvoclar AG
InventorsGottfried Rohner, Johannes Lorunser, Horst Ulbricht
Life of this patent
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Abstract
An oven particularly suitable for dental materials is provided with a firing plate on which a calibration apparatus can be removably located. The calibration apparatus includes a meltable element whose melting is detectable by a detecting device. The calibration apparatus is additionally provided with a control device. The firing plate includes a device for receiving therein the calibration apparatus including a non-electrically conducting support for supporting two electrically conducting contact posts of the calibration apparatus.
Claims20
An oven operable to fire dental material, comprising:
- a firing plate;
- and
- a calibration apparatus removably locatable on the firing plate, the calibration apparatus including a meltable element which melts upon heating thereof to a predetermined temperature such that the melting of the meltable element effects a change of condition detectable by a condition change detecting device, a pair of electrically conducting elements for supporting the meltable element therebetween, and a non-electrically conducting support for supporting the pair of electrically conducting elements.
A calibration apparatus for calibrating an oven, the oven having a firing plate, the calibration apparatus comprising:
- a meltable element which melts upon heating thereof to a predetermined temperature such that the melting of the meltable element effects a change of condition detectable by a condition change detecting device;
- a pair of electrically conducting elements for supporting the meltable element therebetween;
- and
- a non-electrically conducting support for supporting the pair of electrically conducting elements.
Dependencies are inferred from the claim text.