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Title:
SYNTHETIC RESIN CONTAINER
Document Type and Number:
Japanese Patent JP2019147576
Kind Code:
A
Abstract:
To provide a synthetic resin container which suppresses a bottom part being pushed back outwardly due to an internal pressure rise caused by falling of the container whose bottom part is pushed in the container from the height of a hand and the like.SOLUTION: A bottle includes a bottom part 16 continuing downward from a trunk part, and a bottom surface part 21 included in the bottom part 16 can be pushed inside the container as a movable part. The bottom part 16 includes: the bottom surface part 21 in a central part; a leg part 23 comprising an annular grounding part 23a, an inside rising part 23b rising to the inside from the grounding part 23a, and an outside rising part 23c rising from the grounding part 23a to the outside and continued to the trunk part; an annular groove part 25 connected to an inner peripheral edge of the inside rising part 23b of the leg part 23; and a connection part 22 formed between the groove part 25 and the bottom surface part 21. The groove part 25 includes: an annular inside groove part 25b connected to an outer peripheral edge of the connection part 22; an annular outside groove part 25a connected to the inner peripheral edge of the inside rising part 23b of the leg part 23; and a protrusion part 25c between the outside groove part 25a and the inside groove part 25b.SELECTED DRAWING: Figure 4A

Inventors:
KOMIYA ATSUSHI
UCHIYAMA TSUYOSHI
KONDO HIROYUKI
OKABE TAKANORI
ISHII REITA
Application Number:
JP2018032741A
Publication Date:
September 05, 2019
Filing Date:
February 27, 2018
Export Citation:
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Assignee:
TOYO SEIKAN KAISHA LTD
International Classes:
B65D1/02
Attorney, Agent or Firm:
樋口 正樹