Preform provided with a concave body portion

Preform with a concave bottom and an evolving thickness

METHOD OF MAKING A CONTAINER SUCH AS A BOTTLE FROM A PREFORM MADE OF THERMOPLASTIC POLYMER

Preform for stretch blow-molded bottle

PREFORM FOR PLASTICS MATERIAL BOTTLES OR WIDE-NECKED VESSELS

Fluropolymer resin coated member, a metal mold for forming polyester resin container made thereof and reproducing method of said metal mold

Multilayer blow-molded, crosslinked container and method of making same

Blow molded product