To provide a drinking straw, a production method thereof and a container holding beverage which keeps cut pieces of the seal film within the container from dropping into the beverage in sticking the container with the drinking straw.
A cutting prevention part 23 is formed on the retraction side of an inclined surface 21. The cutting prevention part 23 which is produced by rounding (R working) the end face of a tubular material making up the drinking straw 15 is formed adjacent to the sharpened tip part 22. The cutting prevention part 23 can be formed by rounding only one part of the end face of the tubular material making up the drinking straw 15 once a heating is applied on the retraction side of the inclined surface 21 by a means for spot heating or the like after the formation of the inclined surface 21 made by cutting one opening of a straw unit 15a askew.
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama