Alpla Werke Alwin Lehner GmbH and Co patented a plastic container made from a preform with over 80% polyester and additives. The container is reshaped using a 2-stage stretch blow moulding method, with sharp edges less than 0.5 mm radius. The polyester used is a copolyester with specific monomers. GlobalData’s report on Alpla Werke Alwin Lehner GmbH and Co gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Alpla Werke Alwin Lehner GmbH and Co, Plastic recycling was a key innovation area identified from patents. Alpla Werke Alwin Lehner GmbH and Co's grant share as of February 2024 was 85%. Grant share is based on the ratio of number of grants to total number of patents.
Plastic container with sharp edge, manufactured by blow molding
A recently granted patent (Publication Number: US11912458B2) discloses a plastic container manufactured from a preform with a high mass share of polyester and various additives. The container features a unique design with a container neck, shoulder, body, and base exclusively reshaped through a 2-stage stretch blow molding method. The polyester used is a copolyester containing specific monomers like cyclohexanedimethanol (CHDM), monoethylene glycol (MEG), terephthalic acid (TPA), and isophthalic acid (IPA). Additionally, the container body and shoulder may have sharp edges with a radius of less than 0.5 mm, enhancing its structural integrity.
Furthermore, the patent outlines specific characteristics of the copolyester used in the plastic container, including intrinsic viscosity, density, and composition of diol and dicarboxylic acid shares. The method of manufacturing the plastic container involves stretching the preform body during blow molding, shaping the container components according to the inner geometry of the blow mold cavity. The sharp edges on the container are designed to be less than 0.5 mm, ensuring precision in the manufacturing process. Overall, the patent provides detailed insights into the composition, design, and manufacturing method of a unique plastic container with specific structural features and material properties.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
