Yoshino Kogyosho Co., Ltd.

Tatsuharu Ida

Shigeo Iizuka

Takao Kishi

Shigeru Hayakawa

Takumi Sugizaki

Kazuaki Nose

Noriyuki Asakawa

Kazuo Takahara

A screw cap container including a container main body and a screw cap. The container main body includes a mouth tubular portion, which is provided with slope screw portions. The slope screw portions include: upper screw protrusions disposed at three or more different positions; lower long screw protrusions having left end positions same as left end positions of the upper screw protrusions, and each having a length longer than a length of each upper screw protrusion; and oblique screw protrusions extending obliquely from right ends of the lower long screw protrusions and each being connected to a left end of a different one of the upper screw protrusions. The screw cap includes a top wall and an outer circumferential wall. The outer circumferential wall is provided with cap screw protrusions disposed in the same number as the number of the upper screw protrusions.

Screw cap container

A container including a tube member having a truck portion which is elastically squeezable, and a wide-mouthed neck portion extending upwardly from the trunk portion, a top wall closing a top surface of the neck portion and having a discharge port, said top wall also having a peripheral portion connected to a top end of the neck portion, from which the peripheral portion is made undetachably, and a cover plate connected by a hinge to the neck portion and having a plug for closing the discharge port, the plug depending from an underside of the cover plate, wherein the top wall has a first breaking line which is formed within the peripheral portion of the top wall, and a knob for tearing the first breaking line, said knob is formed on the top wall within the first breaking line.

Synthetic resin-made tubular container

Growing community of inventors

Tokyo, Japan

Tatsuharu Ida