Patents Assigned to Perfosistem, S.L.
  • Method of producing waterproof foam mattresses
    Patent number: 7065849
    Abstract: Production process for waterproofed foam mattresses, starting from a foam material body (1) in which a plurality of passing through holes (2) are carried out in the bigger faces and some passing through holes (3) with a smaller diameter are carried out along the body (1), through which holes (3) some rods (4) are incorporated to be fastened on a supporting frame (5), and to spray the body (1) in this position with the waterproofing material, letting the latter drip off in a sloped position till the mentioned waterproofing material is gelled.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: June 27, 2006
    Assignee: Perfosistem, S.L.
    Inventor: Benito Manuel Martinez Choperena