Laminated perforated acoustical foam

Prepare an acoustical polymeric foam by providing at least two initial polymeric foams, perforating all the way through the initial polymeric foams and then laminating the perforated initial foams together such that a perforated surface of one foam adheres to a perforated surface of an adjoining per...

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Bibliographische Detailangaben
Hauptverfasser: KOENIG JEAN-FRANCOIS, WILHELM FERNAND
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Prepare an acoustical polymeric foam by providing at least two initial polymeric foams, perforating all the way through the initial polymeric foams and then laminating the perforated initial foams together such that a perforated surface of one foam adheres to a perforated surface of an adjoining perforated initial foam.