MOLDING ELEMENT FOR MANUFACTURING A NOISE REDUCING TREAD

The molding element has a molding surface for forming a contact face of the contacting elements and a groove forming rib portion for forming the groove. The groove forming rib portion has opposed rib side faces for forming opposed groove side faces and a rib top face connecting the rib side faces fo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Pengsaloong, Khotchakorn, Gueugneau, Anthony
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The molding element has a molding surface for forming a contact face of the contacting elements and a groove forming rib portion for forming the groove. The groove forming rib portion has opposed rib side faces for forming opposed groove side faces and a rib top face connecting the rib side faces for forming a groove bottom. The groove forming rib portion provides at least one space opening to at least one of the rib side faces and/or to the rib top face and an insert is received in the space. The insert is composed of a plurality of thin plates stacked in a direction along which the rib extends and comprises at least one notched plate of thickness t1 including at least one notch for forming a flexible fence of the closing device; and comprises at least one support plate of thickness t2 without notch.