Patents Assigned to C.S.P. Centro Studi e Prototipi S.r.l.
  • Soundproofing panels for automobile applications and manufacturing processes therefor
    Patent number: 5266143
    Abstract: Composite soundproofing panels for applications in the automotive sector have a plastic layer bonded to at least one porous material layer. The plastic layer has a composition which contains a first elastomeric material, a high density filler material, a plasticizer and a second elastomeric material. The plastic layer is bonded to at least one self-supporting, premoldable layer of porous material while maintaining a constant thickness within +10%.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: November 30, 1993
    Assignee: C.S.P. Centro Studi e Prototipi S.r.l.
    Inventors: Sergio Albera, Guglielmo Piumetti