Patents Assigned to Plastic Legno Giocattoli di Contessi & C.Snc
  • Method to produce bowls of a plastic material and bowls thus produced
    Patent number: 5601772
    Abstract: Method to produce bowls of a plastic material, whereby polypropylene is mixed with an additive and/or dye after suitable dosing and is introduced into a moulding press, wherein it is heated to 180.degree.-210.degree. C., and is then injected into a mould, where it is kept under a further pressure for 20-60 seconds, the product then being extracted and cooled in water before removal of flash so as to produce the bowl. Bowl consisting of polypropylene and produced according to the above method.
    Type: Grant
    Filed: September 13, 1995
    Date of Patent: February 11, 1997
    Assignee: Plastic Legno Giocattoli di Contessi & C.Snc
    Inventor: Claudia Contessi