Method of molding a toner bottle using up to 8-sided recycled flake
First Claim
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1. 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.
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Abstract
A method of molding a toner bottle including separating polyethylene terephthalate (PET) bottles that have not accommodated oily or colored materials from retrieved PET bottles grinding the separated PET bottles to obtain a flake PET material of which not less than 80% has a form from a triangle to an octagon with a size not greater than 8 mm 8 mm, washing and drying the flake PET material to obtain a flake PET molding material and molding the flake PET molding material to make a toner bottles.
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Citations
10 Claims
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1. A method of molding a toner bottle comprising:
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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. - View Dependent Claims (2, 3, 5, 7, 9)
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4. A method of molding a toner bottle comprising:
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grinding sorted PET bottles to obtain a flake PET material comprising PET flakes having three sides and PET flakes having five 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 and a polygon having five 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. - View Dependent Claims (8, 10)
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6. A method of molding a toner bottle, comprising:
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grinding sorted PET bottles to obtain a flake PET material comprising PET flakes; sieving the flake PET material 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, are in triangular form and pentagonal form, with a size not greater than 8 mm×
8 mm;washing and drying the screened flake PET material to obtain a flake PET molding material; injection molding the flake PET molding material to form a toner bottle preform; and blow molding the toner bottle preform to form the toner bottle.
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Specification