ALEXANDRIA, Va., Jan. 29 -- Didier Santais and Ste Legallais, both of Octeville-sur-Mer, France, has developed a blow molding or stretch-blow molding installation for manufacturing receptacles from blanks of thermoplastic polymer.
According to the U.S. Patent & Trademark Office, the invention relates to a "blow-molding installation for manufacturing receptacles from blanks of thermoplastic polymer, said installation comprising a bell-nozzle for blowing a fluid under pressure into a blank disposed in a cavity of a mold, the end of the nozzle being in the shape of a bell which is suitable, during blow-molding, for being pressed into leaktight end-to-end abutment against a wall of …
