Hosokawa Yoko Co., Ltd.

Mayumi Oomori

Takeshi Tsutsumi

Tomonari Shinohara

Yuichiro Moriyama

Kazuyoshi Shirai

Toshiharu Yoshida

Yasumasa Tanaka

Kenji Tsutsumi

An improved pour spout member having a base attached to a packaging bag, a tubular neck having a tip opening sealed by a sealing member, and a lid member having an upper end connected to the sealing member and covering an outer periphery of the tubular neck. The lid member includes expandable lid segments having upper ends connected to a portion integral with the sealing member and, between the expandable lid segments in a collapsed state and a portion integral with the tubular neck, there is provided a rotation locking mechanism enabling temporary restriction of the lid member.

Pour spout member for packaging bag

Growing community of inventors

Kawasaki, Japan

Mayumi Oomori