Pour spout and packaging container
AssigneeToppan Printing Co., Ltd.
InventorsIsao Morimoto, Kiyoshi Wada
Life of this patent
Estimating the term…
Abstract
A pour spout that is sufficiently rigid to be prevented from breaking due to ultrasonic vibrations during welding and that is readily separated from a packaging container being broken down, and a packaging container with the pour spout. The pour spout includes a cylindrical sidewall and a disk-like flange extending outwardly from one end of the sidewall. The flange has a to-be-cut portion that is a recess arranged annularly, and a rib disposed at an annular projection or at the to-be-cut portion.
Claims30
A pour spout comprising:
- a cylindrical sidewall;
- and
- a disk-like flange extending outwardly from one end of the sidewall,
- wherein the flange has a to-be-cut portion formed with a plurality of recesses that are annularly arranged and separated by a plurality of ribs.
The pour spout of clam 10, wherein an odd number of the ribs are provided to equally divide the circumference of the recess.
A pour spout comprising:
- a cylindrical sidewall;
- and
- a disk-like flange extending outwardly from one end of the sidewall, wherein
- the flange has an annular recessed portion and at least one annular projection that is outwardly spaced apart from the annular recessed portion by a predetermined distance, on the flange's bottom surface opposite the sidewall.
Dependencies are inferred from the claim text.