PETpla.net Insider 03 / 2017

PET patents www .verpackungspatente.de PET planet Insider Vol. 18 No. 03/17 www.petpla.net 48 PET bottle Europ. Pat.issue no. EP 2844570 B1 Applicant: Pet Engineering S.r.L., San Vendemiano (I) Application date: 24.4.2013 Thin-wall PET bottles are partially fitted with a kind of over-printing (filling with expanding nitrogen), in order for them to be sufficiently stable during transport or stor- age. In order to withstand this pressure without deforming, a particular shape is required. Coated PET containers Intern. Patent no. WO 2016 / 076944 A1 Applicant: Graham Packaging Comp., York (US) Application date: 10.9.2015 The improved process for coat- ing a PET container with silica is described. The container’s barrier characteristics are improved by this coating. Reduced froth when opening Intern. Patent no. WO 2016 / 077517 A2 Applicant: Niagara Bottling LLC., Ontario (CA) Application date: 12.11.2015 A weight-reduced bottle is shaped in the opening area in such a way and with a matching screw cap that when opened, the froth and undesirable leakage of liquid from the container is reduced. Laminated bottle Europ. Patent no. EP 3009365 A1 Applicant: Yoshino Kogyosho Co. Ltd., Tokyo (JP) Application date: 8.5.2014 Some areas of a plastic PET bottle are fitted with an intermediate layer in order to improve the bottle’s barrier char- acteristics. The lamination is carried out in a way that prevents any undesirable shedding of the plastic layers / delamina- tion. Plastic containers Europ. Pat.issue no. EP 2038183 B1 Applicant: Krones AG, Neutraubling (D) Application date: 2.12.2011 The European patent shows the special shaping of the bases of a PET bottle. The base is shaped in a new way to make the manufacturing process easier. Manufacture of wide-neck containers Intern. Patent no. WO 2016 / 097543 A1 Applicant: Sidel Participations, Octeville-sur-Mer (F) Application date: 10.12.2015 The international application describes the process for manufac- turing a wide-neck container from a preform. A threaded insert is posi- tioned in the tool for blowing the pre- form, which serves as the threaded part of the wide-neck container. The original bottle neck is severed.

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