B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 1/02 (2006.01) B65D 1/42 (2006.01) B65D 23/00 (2006.01)
Patent
CA 2297966
A plastic blow molded container (10) is disclosed as including a freestanding base structure (20) that is constructed with a plurality of alternating hollow legs (22) and curved ribs (34), and a hub (41) from which the legs and ribs extend radially whith a construction that provides good stability against tipping as well as the capability of withstanding internal pressure. The hollow leg (22) has lower flat feet (24) with curved outer extremities that extend circumferentially for 45 to 65 percent of the extent about a central axis A of the container to provide good stability against tipping. Best results are achieved when the lower flat feet have curved outer extremities that extend circumferentially for 50 to 60 percent, and most preferably about 55 percent of the extent about the central axis A to provide the good stability against tipping.
On décrit un contenant en plastique (10) moulé par soufflage muni d'une structure de base autostable (20) fabriquée avec une pluralité d'embases creuses (22) et de nervures incurvées (34). Cette structure de base comporte un moyeu (41) à partir duquel les embases et les nervures s'étendent radialement, dans une configuration qui offre une bonne stabilité contre le basculement ainsi que la capacité de supporter une pression interne. L'embase creuse (22) comporte un socle plat (24) aux extrémités extérieures incurvées, dont la circonférence occupe 45 à 65 pour cent de la surface entourant l'axe central A du contenant pour fournir une bonne stabilité contre le basculement. De meilleurs résultats sont obtenus quand la circonférence des extrémités extérieures incurvées du socle plat occupe 50 à 60 pour cent ou, de préférence, 55 pour cent de la surface entourant l'axe central A pour fournir une bonne stabilité contre le basculement.
Plastipak Packaging Inc.
Smart & Biggar
LandOfFree
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