JPH0397014U

JPH0397014U -

Info

Publication number: JPH0397014U
Application number: JP1990005017U
Authority: JP
Priority date: 1990-01-23
Filing date: 1990-01-23
Publication date: 1991-10-04

Description

[Brief explanation of drawings]

第１図ないし第１１図は本考案の実施例を示し
、第１図は第１実施例の底部の斜視図、第２図は
全体の断面図、第３図は要部の断面図、第４図は
第２実施例の底部の斜視図、第４図は底部の斜視
図、第５図は全体の斜視図、第６図はその要部の
断面図、第７図は第３実施例の全体の断面図、第
８図はその要部の断面図、第９図は負圧吸収能力
の実験方法を示す略図、第１０図及び第１１図は
底部深度変位と吸収容量との関係を示すグラフ図
である。１……合成樹脂容器、２……底部、３……環状
接地部、４……第１環状屈曲部、５……第２環状
屈曲部、６……第３環状屈曲部。 1 to 11 show embodiments of the present invention, FIG. 1 is a perspective view of the bottom of the first embodiment, FIG. 2 is an overall sectional view, FIG. 3 is a sectional view of main parts, and FIG. Fig. 4 is a perspective view of the bottom of the second embodiment, Fig. 4 is a perspective view of the bottom, Fig. 5 is a perspective view of the whole, Fig. 6 is a sectional view of the main part, and Fig. 7 is a third embodiment. Figure 8 is a cross-sectional view of the main part, Figure 9 is a schematic diagram showing the experimental method for negative pressure absorption capacity, and Figures 10 and 11 show the relationship between bottom depth displacement and absorption capacity. FIG. DESCRIPTION OF SYMBOLS 1... Synthetic resin container, 2... Bottom, 3... Annular grounding part, 4... First annular bending part, 5... Second annular bending part, 6... Third annular bending part.

Claims

[Scope of Claim for Utility Model Registration] (1) In the bottom structure of a synthetic resin container in which an annular bent part is formed on the bottom part 2 of the synthetic resin container 1, an annular grounding part 3 is protruded to the outside of the container around the bottom part 2. from the inner peripheral edge of this annular grounding part 3,
A first annular bent portion 4 having a mountain-shaped cross section convex to the inside of the container
A first annular bent portion 4 is formed inside the first annular bent portion 4.
A second annular bent portion 5 having approximately the same cross-sectional shape as the annular bent portion 4
Further, a third annular bent portion 5 having substantially the same cross-sectional shape as the first annular bent portion 4 is formed inside the second annular bent portion 5.
A bottom structure of a synthetic resin container characterized by forming an annular bent part 6. (2) In the bottom structure of a synthetic resin container in which an annular bent part is formed on the bottom part 2 of the synthetic resin container 1, an annular grounding part 3 is formed around the bottom part 2 to protrude to the outside of the container, and this annular grounding part From the inner edge of 3,
A first annular bent portion 4 having a mountain-shaped cross section convex to the inside of the container
A first annular bent portion 4 is formed inside the first annular bent portion 4.
A second annular bent portion 5 having approximately the same cross-sectional shape as the annular bent portion 4
A bottom structure of a synthetic resin container characterized by forming.