Patent ID: 8080190

Claim:
A method of molding a toner bottle comprising: grinding sorted PET bottles to obtain a flake PET material comprising PET flakes having three sides, PET flakes having five sides, PET flakes having six sides, and PET flakes having eight sides; filtering the flake PET material to remove PET flakes having nine or more sides and to form a screened flake PET material of which not less than 80% by weight of the PET flakes, based on the weight of the screened flake PET material, have a form of a polygon having three sides, a polygon having five sides, a polygon having six sides, and a polygon having eight sides, wherein the polygons have a size not greater than 8 mm×8 mm; washing and drying the screened flake PET material to obtain a flake PET molding material; and injection molding the flake PET molding material to form a toner bottle perform; and blow molding the toner bottle preform to form the toner bottle.