PETpla.net Insider 03 / 2011

PET patents www .verpackungspatente.de 44 PET planet insider Vol. 12 No. 03/11 www.petpla.net Base structure International Patent No. WO 2010 / 078341 A1 Applied for by: Plastipak Packaging Inc., Plymouth (US) Application date: 29.12.2009 The base shape a plastic bottle for hot filling is intended to absorb the thermal expansion and subsequent cooling so as to avoid any permanent distortions of the bottle which may be visible to the user. Concave base International Patent No. WO 2010 / 061758 A1 Applicant: Kogyosho Co. Ltd., Tokyo (JP) Date of Application: 18.11.2009 Described is a plastic bottle with a base that is specially shaped to flexibly accommodate any change in volume that may occur as a result of hot filling without any change to the side walls. As the contents cool the base reverts to its original concave shape. Extra in the base International Patent No. WO 2010 / 063093 A1 Applicant: Antoine Becotte, Montreal (CA) Date of Application: 23.11.2009 A type of vent hole “whistle“ is integrated in the base of a bottle and this can be removed once the bottle is empty and subsequently used to generate noise, e.g. at a football match. Dispenser cap International Patent No. WO 2010 / 068633 A1 Applicant: Graham Packaging Comp., L.P., York (US) Date of Application: 8.12.2009 Closure manufactured as a single section with integrated dispensing chamber and hinged lid. Buffer area European Patent No. EP 2202163 A1 Applicant: Yoshino Kogyosho Co. Ltd., Tokio (JP) Date of Application: 15.10.2008 Plastic container with specially moulded buffer areas to accommodate changes in volume as a result of hot filling. Disclosure of the international application was made on 30.6.2010. Originality seal European Grant of Patent No. EP 1892194 B1 Applicant: Obrist Closures Switzerland GmbH, Reinach (CH) Date of Application: 9.8.2007 Multiple section closure with two lateral, easily identifiable lead segments that are cut off at the point of initial opening and can no longer be reinstated in their original position. This means that the consumer can easily recognise that the container has been opened. European Grant of Patent took place on 23.6.2010.