Patents Assigned to Societe de vente de L'Aluminium Pechniney
  • Process for the manufacture of a profile for metal joinery having a thermal gap
    Patent number: 4369562
    Abstract: A method that relates to the manufacture of composite profiles made of metal and plastic, in which suitably shaped thin metal profiles are applied against the internal surface of a rigid mold and injecting a foamed plastic between the two profiles, the tightness between the two profiles being provided by an elastomer jointing.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: January 25, 1983
    Assignee: Societe de vente de L'Aluminium Pechniney
    Inventor: Christian Lyonnet