×

Method for making a fuel tank in plastic material

DC CAFC
  • US 6,814,921 B1
  • Filed: 11/14/2002
  • Issued: 11/09/2004
  • Est. Priority Date: 02/18/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A process for manufacturing plastic hollow bodies from two shells formed by molding, which are joined together, at least one shell being produced by compression-molding a portion of a plastic sheet between a mold and a punch and by the remaining portion of the sheet being blow-molded in the region not compression-molded, characterized in that it is applied to the manufacture of a fuel tank and in the sheet is obtained in the same manufacturing line as the shell which will be produced from this sheet, by the cutting and opening an extruded parison of closed cross section.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×