SYNTHETIC RESIN CONTAINER WITH SHAPE RETAINABILITY

Title:

SYNTHETIC RESIN CONTAINER WITH SHAPE RETAINABILITY

Document Type and Number:

WIPO Patent Application WO/2003/029087

Kind Code:

A1

Abstract:

A synthetic resin container, wherein a waist dividing the drum part of the container into upper and lower parts is formed of an annular groove surrounding the drum part and projected toward the inside of the container, reinforcement ribs with a level higher than the bottom of the annular groove and lower than the surface of the drum part are installed in the annular groove, lateral ribs for reinforcement having recessed parts with the same level as the surface of the container or forming a very slight step from the surface of the container are provided on the drum part of the container, a plurality of streaks converging toward the center of the drum part are provided on the drum part, and recessed multi−face walls tilted toward the converged points of the streaks are divided and formed by the streaks.

Inventors:

TSUTSUI NAOKI (JP)
TANABE SHOJI (JP)
SAITO HIROMICHI (JP)

Application Number:

PCT/JP2002/009976

Publication Date:

April 10, 2003

Filing Date:

September 26, 2002

Export Citation:

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Assignee:

YOSHINO KOGYOSHO CO LTD (JP)
TSUTSUI NAOKI (JP)
TANABE SHOJI (JP)
SAITO HIROMICHI (JP)

International Classes:

B65D1/02; B65D1/42; B65D8/12; B65D79/00; (IPC1-7): B65D1/02

Domestic Patent References:

WO1999008945A1

1999-02-25

Foreign References:

JPH1029615A	1998-02-03
JPH10218148A	1998-08-18
JPH10305478A	1998-11-17
JP2001039422A	2001-02-13
JPH11301630A	1999-11-02
JPH10305823A	1998-11-17
JP2000309320A	2000-11-07
JPH0315319U	1991-02-15
JPH08230857A	1996-09-10

Other References: