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US 11,753,223 B2Granted
Biodegradable bottle for liquids
AssigneeLgab LLC
InventorsAdam Berk, Lee Green, Fuad Khan
Life of this patent
Estimating the term…
Abstract
A bottle for holding liquids that is biodegradable and that is made from environmentally sustainable materials. The bottle includes a body, a shoulder, a neck portion, and a cap. According to one aspect, the neck portion of the bottle is made of bioplastic, and the shoulder and body of the bottle are made from thermoformed pulp. The bioplastic neck can mate with, and be adhered to, the shoulder, and the shoulder can mate with, and be adhered to, the pulp body.
Claims14
A method of manufacturing a container for liquids, comprising:
- forming a pulp shoulder and pulp body having an inner surface by thermoforming from a paper pulp slurry;
- creating a liquid barrier on the inner surface of the pulp shoulder and pulp body,
- wherein creating the liquid barrier is by spraying and drying a sealant onto the inner surface of the pulp shoulder and body;
- injection molding a neck portion, wherein the neck portion comprises a bottom portion of a dome, conical, or square shape, the bottom portion comprises a ridge along an outer surface of the neck portion;
- and
- attaching the pulp body with the neck portion such that an upper periphery of the pulp shoulder resides over at least a portion of the bottom portion below the ridge along the outer surface of the neck portion,
- wherein the inner surface of the pulp shoulder having a shape identical to the shape of an overlapping part of the bottom portion,
- wherein the upper periphery of the pulp shoulder abuts against the ridge;
- and
- bonding the neck portion to the pulp shoulder.
7 more elements
Dependencies are inferred from the claim text.