Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2009
Patent Application Number
11899968
Date Filed
September 6, 2007
Patent Primary Examiner
Patent abstract
The invention relates to a dental mold flask (10) for production, in particular for injection molding, of dental molded parts, with at least two mold shells (12) via which a mold cavity (14) can be formed for introduction of polymerizable plastic through a filling channel (16), and with an air release channel (42) for the air that escapes during filling of the mold cavity (14). The air release channel (42) has a filter element (40) whose permeability for air changes automatically, in particular decreases, as soon as it comes into contact with the polymerizable plastic.
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