B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 1/02 (2006.01)
Patent
CA 2490071
A square-sectioned synthetic resin container includes a body having a square cross-section defined by four cornered pillar portions and four flat walls joining the adjacent pillars, wherein the body is provided with a waist for dividing the body at least into upper and lower sections. According to the present invention, the waist is formed by a circumferential groove having a profile that protrudes convexly inwards of the container. The groove has an arcuate groove wall with a constant radius of curvature, at least at the pillar portion.
L'invention concerne un récipient quadrangulaire en résine synthétique comprenant un tronc de section quadrangulaire entouré de montants au niveau des quatre coins et des parois reliant ces montants, ledit tronc étant séparé en au moins deux étages à l'aide d'une ligne médiane. Dans cette invention, la ligne médiane est formée d'une rainure annulaire convexe vers l'intérieur du récipient, au moins deux parties de ladite rainure annulaire positionnée au niveau des montants étant définies par des parois de rainure arquées possédant un rayon de courbure donné.
Iizuka Takao
Tanaka Toshimasa
Blake Cassels & Graydon Llp
Yoshino Kogyosho Co. Ltd.
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