Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 1, 2022
Patent Application Number
16680763
Date Filed
November 12, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
The inventive film clamping element (10) is held by a lip ring (14) and a vestibular ring (16), between which and possibly beyond which a film (12) extends. The film (12) and also the rings (14, 16) are elastically deformable, and it is provided that the film (12) comprises an attachment (24, 26) each at two positions opposite one another. Between these attachments (24, 26), at least one elastic band (20, 22) extends which is suitable to constrict the film (12) radially towards the inside.
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