ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,762, issued on Dec. 16, was assigned to SIDEL PARTICIPATIONS (Octeville-sur-Mer, France).
"Container preform made of plastic" was invented by Christophe Bunel (Octeville-sur-Mer, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a container preform made of plastics material having a body exhibiting symmetry of revolution about a central axis and a bottom closing the body from one of its ends. The bottom has an annular bead forming a standing plane of the preform, and the bottom has an external skin oriented toward the outside of the preform and an internal skin oriented toward the inside of the preform. At least one of the internal s...