A container body (20) includes an upper opening portion (21) having a container internal sidewall portion (22) and a container side skirt portion (24). A lid (10) includes a lid internal sidewall portion (12) and a lid side skirt portion (14). Two or more ledge portions (15) protruding inward are fo
A container body (20) includes an upper opening portion (21) having a container internal sidewall portion (22) and a container side skirt portion (24). A lid (10) includes a lid internal sidewall portion (12) and a lid side skirt portion (14). Two or more ledge portions (15) protruding inward are formed on the lid side skirt portion (14). The container side skirt portion (24) includes a first guide portion (30) for guiding downward the ledge portions (15) when the lid (10) is attached. When the lid is closed, the lid (10) is drawn into the side of the container body (20). Thus, a seal portion formed between the container internal sidewall portion (22) and the lid internal sidewall portion (12) is press-contacted, in the state of which the seal portion secures high sealability. Further, the length of the lid side skirt portion (14) is increased so as to cover the lower end of the container side skirt portion (24) with a lower portion of the lid side skirt portion (14) when the lid is attached or detached, whereby the fingertips can be prevented from being scratched.
대표청구항▼
1. A container with lid comprising: a container body, comprising: a container sidewall having an upper end defining a substantially circular opening;a first flange extending outward from the upper end of the container sidewall; anda container side skirt extending downward from an outer edge of the f
1. A container with lid comprising: a container body, comprising: a container sidewall having an upper end defining a substantially circular opening;a first flange extending outward from the upper end of the container sidewall; anda container side skirt extending downward from an outer edge of the first flange, the container side skirt having a free lower end; anda lid attachable to and detachable from the upper end of the container body, the lid comprising: a lid internal sidewall having an outer surface that press-contacts against an inner surface of the container sidewall over an entire circumference when the lid is attached to the container body, such that a circumferential liquid-tight press-fit seal is formed between the outer surface of the lid internal sidewall and the inner surface of the container sidewall;a second flange extending outward from an upper end of the lid internal sidewall;a lid side skirt extending downward from an outer edge of the second flange, the lid side skirt having a free lower end, andtwo or more ledge portions protruding inward formed on the lid side skirt,wherein in a state in which a lower end side of one of the ledge portions formed on the lid side skirt press-contacts against the first flange formed on the upper end of the container sidewall, the lid side skirt is formed such that the free lower end of the lid side skirt is positioned lower than the free lower end of the container side skirt, andwherein the container side skirt of the container body has a first guide that guides downward the ledge portions formed on the lid side skirt when the lid is being placed on the upper end of the container body and turned in a tightening direction to close the opening. 2. The container with lid according to claim 1, wherein the container sidewall and the lid internal sidewall have a cylindrical surface or an upward-expanding cone surface, and satisfy one of the following either relations: r1≧r3 and 0°≦θ1θ2≧0°; or r1>r3 and approximately θ1=θ2≠0°, where r1 denotes the radius of the upper end of the lid internal sidewall, r3 denotes the radius of the upper end of the container sidewall, θ1 denotes the tilt angle of the container sidewall, and θ2 denotes the tilt angle of the lid internal sidewall with respect to a vertical centerline. 3. The container with lid according to claim 1, wherein when the lid is being put onto the container body in a tightening direction, the ledge portions are guided downward by the first guide and the lid is caused to move downwardly, and by being drawn in, the first flange and the second flange are in a press-fit state. 4. The container with lid according to claim 1, wherein a region on the outer surface of the lid internal sidewall has a greater diameter than a corresponding region on the inner surface of the container sidewall when the lid is attached to the container body, thereby allowing the region on the lid internal sidewall to press-contact against the corresponding region on the container sidewall when the lid is attached to the container body. 5. The container with lid according to claim 1, wherein the container side skirt is positioned to surround at least a portion of the container sidewall. 6. The container with lid according to claim 1, wherein a surface of the lid internal sidewall that is opposite to the seal is exposed to an outside atmosphere. 7. The container with lid according to claim 1, wherein the container body and the lid are made of a thermally sheet-formed synthetic resin sheet. 8. The container with lid according to claim 7, wherein the thermally sheet formed synthetic resin sheet has a thickness that ranges from 0.2 mm to 1.0 mm. 9. A container with lid comprising: a container body, comprising: a container sidewall having an upper end defining a substantially circular opening; anda container side skirt extending downward from the upper end of the container sidewall, the container side skirt having a free lower end; anda lid attachable to and detachable from the container body, the lid comprising: a lid internal sidewall having an outer surface that press-contacts against an inner surface of the container sidewall over an entire circumference when the lid is attached to the container body, such that a circumferential liquid-tight press-fit seal is formed between the outer surface of the lid internal sidewall and the inner surface of the container sidewall;a lid side skirt extending downward from an upper end of the lid internal sidewall, the lid side skirt having a free lower end; andtwo or more ledge portions protruding inward formed on the lid side skirt;a first guide that guides downward the ledge portions formed on the lid side skirt when the lid is being put onto the container body in a tightening direction; anda second guide that guides upward one of the ledge portions in a position in which a lower end side of the one of the ledge portions is in contact with the second guide when the lid attached to the container body is being moved away from the container body, the second guide having a horizontal region substantially parallel to the upper end of the container sidewall,wherein in a state in which the lower end side of the one of the ledge portions formed on the lid side skirt press-contacts against the horizontal region of the second guide, the lid side skirt is formed such that the free lower end of the lid side skirt is positioned lower than the free lower end of the container side skirt. 10. The container with lid according to claim 9, wherein the container sidewall and the lid internal sidewall have a cylindrical surface or an upward-expanding cone surface, and satisfy one of the following either relations: r1≧r3 and 0°≦θ1θ2≧0°; or r1>r3 and approximately θ1=θ2≠0°, where r1 denotes the radius of the upper end of the lid internal sidewall, r3 denotes the radius of the upper end of the container sidewall, θ1 denotes the tilt angle of the container sidewall, and θ2 denotes the tilt angle of the lid internal sidewall with respect to a vertical centerline. 11. The container with lid according to claim 9, wherein when the lid is being put onto the container body in a tightening direction, the ledge portions are configured to be guided downward by the first guide to allow the lid to move downwardly, thereby allowing the first flange and the second flange to be positioned in a press-fit state. 12. The container with lid according to claim 9, wherein a region on the outer surface of the lid internal sidewall has a greater diameter than a corresponding region on the inner surface of the container sidewall when the lid is attached to the container body, thereby allowing the region on the lid internal sidewall to press-contact against the corresponding region on the container sidewall when the lid is attached to the container body. 13. The container with lid according to claim 9, wherein the container side skirt is located to surround at least a portion of the container sidewall. 14. The container with lid according to claim 9, wherein a surface of the lid internal sidewall that is opposite to the seal is exposed to an outside atmosphere. 15. The container with lid according to claim 9, wherein the container body and the lid are made of a thermally sheet-formed synthetic resin sheet. 16. The container with lid according to claim 15, wherein the thermally sheet formed synthetic resin sheet has a thickness that ranges from 0.2 mm to 1.0 mm. 17. A container with lid, comprising: a container body, comprising: a container sidewall having an upper end defining a substantially circular opening; anda container side skirt extending downward from the upper end of the container sidewall; anda lid attachable to and detachable from the upper end of the container body, the lid comprising: a lid internal sidewall having an outer surface that press-contacts against an inner surface of the container sidewall over an entire circumference when the lid is attached to the container body, such that a circumferential liquid-tight press-fit seal is formed between the outer surface of the lid internal sidewall and the inner surface of the container sidewall;a lid side skirt extending downward from an upper end of the lid internal sidewall; andtwo or more ledge portions protruding inward formed on the lid side skirt;a first guide that guides downward the ledge portions formed on the lid side skirt when the lid is being put onto the container body in a tightening direction; anda second guide that guides upward one of the ledge portions in a position in which a lower end side of the one of the ledge portions is in contact with the second guide when the lid attached to the container body is being moved away from the container body, the second guide having a horizontal region that is substantially parallel to the upper end of the container sidewall,wherein in a state in which the lower end side of the one of the ledge portions formed on the lid side skirt press-contacts against the horizontal region of the second guide, the lid side skirt is formed such that the free lower end of the lid side skirt is positioned lower than the free lower end of the container side skirt, andwherein the first guide does not extend to a location above the horizontal region in the second guide.
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이 특허에 인용된 특허 (9)
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