PLASTIC VESSEL

WIPO Patent Application WO/2018/174165

A1

A plastic vessel (1) comprising an upper vessel (10) and a lower vessel (20). The upper vessel (10) has a substantially rectangular upper wall (11) and a pair of upper short-side outer walls (12) that extend downward in a substantially vertical direction from near the two ends of the upper wall (11). The lower vessel (20) has a substantially rectangular bottom wall (21) and a pair of lower short-side outer walls (22) that extend upward in a substantially vertical direction from near the two ends of the bottom wall (21). The upper short-side outer walls (12) are provided with wedge-shaped protrusions (16) positioned in locations that correspond to the four corners of the substantially rectangular shape, and the lower short-side outer walls (22) are provided with recesses (26) which are positioned in locations that correspond to the four corners of the substantially rectangular shape and into which the wedge-shaped protrusions (16) fit. The wedge-shaped protrusions (16) and the recesses (26) are fitted together, whereby the upper vessel (10) and the lower vessel (20) are irremovably attached in the plastic vessel (1).

NOGUCHI HIROO (JP)
MORITA HIROYUKI (JP)
TAKI MASAMI (JP)
NAKASONE KEITA (JP)
OGAKI MITSUKO (JP)
FUJIWARA HIROO (JP)

PCT/JP2018/011433

September 27, 2018

March 22, 2018

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TOPPAN PRINTING CO LTD (JP)
LOTTE CO LTD (JP)

B65D6/24; B65D83/04

JPH10297683A	1998-11-10
JP2008011871A	2008-01-24
JPH0659245U	1994-08-16
JPS5599191U	1980-07-10
JP2005008197A	2005-01-13
JP2006123991A	2006-05-18
JP2013079090A	2013-05-02
JP2011140354A	2011-07-21
JP2004210309A	2004-07-29
JPS4841628U	1973-05-28

HASEGAWA Yoshiki et al. (JP)

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