CONTAINER BODY WITH CAP

Japanese Patent JP2022039284

A

To suppress deformation of an inner cylinder and leakage of content liquid in a container body.SOLUTION: An inner periphery surface of a mouth portion 12 includes a first inner periphery surface 15 positioned in an upper end portion and extending downward from an upper opening edge 12a of the mouth portion, a first step surface 16 extending inward from a lower end portion of the first inner periphery surface, and a second inner periphery surface 17 extending downward from an inner end portion of the first step surface in a radial direction. A cap top wall portion 19 is provided with an inner cylinder 21 protruding downward and inserted into the mouth portion and an outer cylinder 22 protruding downward and coming into contact with an outer periphery of the mouth portion. An outer periphery surface of the inner cylinder extends downward from a lower surface of the top wall portion, and includes a first outer periphery surface 23 coming into contact with the first inner periphery surface, a second step surface 24 extending inward of the radial direction from a lower end portion of the first outer periphery surface, and a second outer periphery surface 25 extending downward from an inner end portion of the second step surface in the radial direction. A gap in vertical direction is provided between the second step surface and the first step surface, and the second outer periphery surface comes into contact or is close to the second inner periphery surface.SELECTED DRAWING: Figure 2

JP4530454	Container with cap
JPS5932516	[Title of the device] Filler tube
JPH06247446	FLANGE FITTING FOR ATTACHING DRUM LID AND METHOD FOR FITTING IT

YAMAMOTO MANABU

JP2020144236A

March 10, 2022

August 28, 2020

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YOSHINO KOGYOSHO CO LTD

B65D39/08

Sumio Tanai
Mitsuyoshi Suzuki
Hiroki Ninai

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