IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0094634
(2002-03-12)
|
우선권정보 |
JP-0023667 (2002-01-31) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
2 |
초록
To reduce the volume of a metal container body after the juice or beer contained therein has been consumed, the container body/wall is formed with accordion-shaped portions having horizontal ring-shape hill portions valley portions.
대표청구항
▼
1. A metal container capable of retaining a state of being reduced in a longitudinal direction, comprising: a surface portion, a tap portion on the surface portion, a bottom, and a container body thereof being formed as an accordion-shape portion, wherein the surface portion has an outside periphery
1. A metal container capable of retaining a state of being reduced in a longitudinal direction, comprising: a surface portion, a tap portion on the surface portion, a bottom, and a container body thereof being formed as an accordion-shape portion, wherein the surface portion has an outside periphery connected with an upper rim of the container body and the bottom has an outside periphery connected with a lower rim of the container body; and the accordion-shaped portion includesa upper group of fold plate members increasing gradually in length downwards as measured on a cross-sectional plane taken along a longitudinal axis of the container, each upper-group fold plate member, except a last upper-group plate member, having an inside periphery connected with an inside periphery of an upper-group fold plate member by a fold therebetween, and each upper-group plate member, except a first upper-group plate member, having an outside periphery connected with an outside periphery of an upper-group fold plate member by a fold therebetween, the first upper-group fold plate member having an outside periphery connected with the outside periphery of the surface portion: anda lower group of fold plate members maintaining a same length as measured on the cross-sectional plane, each lower-group plate member, except a first lower-group plate member, having an inside periphery connected with an inside periphery of an lower-group plate member by a fold there-between, and each lower-group plate member, except a last lower-group plate member, having an outside periphery connected with an outside periphery of an lower-group plate member by a fold therebetween, the first lower-group fold plate member having an inside periphery connected with an inside periphery of the last upper-group fold plate member, each lower-group plate member is longer than each upper-group fold plate member, andsaid fold plate members are so formed that a force along the longitudinal direction applied to the surface portion of said container reaches a balance between a downward force on the outside periphery of the surface portion and inside peripheries of the upper-group fold plate members and a upward force on inside peripheries of the lower-group fold plate members such that a part of the surface portion and the upper-group fold plate members are collapsed downward and the inside peripheries of the lower-group fold plate members are raised downward, and a balance between a upward force on outside peripheries the upper-group fold plate members and a downward force on outside peripheries of the lower-group fold plate members such that the outside periphery of the upper-group fold plate members are raised upward and the outside peripheries of the lower-group fold plate members are collapsed downwards. 2. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 1, wherein a diameter of one outer periphery configuration of the accordion-shaped portion of the container body is smaller than a diameter of another outer periphery configuration. 3. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 1, wherein a diameter of one outer periphery configuration of the accordion-shaped portion of the container, body is smaller than a diameter of another outer periphery configuration, and is gradually increased towards the other outer periphery configuration to have the same diameter. 4. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 1, wherein a diameter of an outer periphery configuration of the accordion-shaped portion ( 5 ) of the container body ( 1 ), is smallest at a substantially central portion of said container body, and said diameter increases toward outer directions. 5. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 1, wherein hill portions ( 3 ) and valley portions ( 4 ) of the outer periphery configuration of the accordion-shaped portion ( 5 ) of the container body ( 1 ) are formed as alternating spiral shapes. 6. A metal container according to claim 1, wherein the overall shape of the container body is suitably selected from an elliptical cylinder, a circular cylinder, a rectangular column, a truncated cone, a truncated pyramid, an hourglass drum shape and a barrel shape. 7. A metal container according to claim 1, the tap portion is selectively jut out in an upward direction from a central portion of said container body. 8. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 2, wherein hill portions ( 3 ) and valley portions ( 4 ) of the outer periphery configuration of the accordion-shaped portion ( 5 ) of the container body ( 1 ) are formed as alternating spiral shapes. 9. The metal containers capable of retaining a state of being reduced in a longitudinal direction according to claim 3, wherein hill portions ( 3 ) and valley portions ( 4 ) of the outer periphery configuration of the accordion-shaped portion ( 5 ) of the container body ( 1 ) are formed as alternating spiral shapes. 10. The metal container capable of retaining a state of being reduced in a longitudinal direction according to claim 4, wherein hill portions ( 3 ) and valley portions ( 4 ) of the outer periphery configuration of the accordion-shaped portion ( 5 ) of the container body ( 1 ) are formed as alternating spiral shapes. 11. A metal container according to claim 1, wherein a horizontal cross-section of the container body is shaped as an ellipse, a circle or a rectangle. 12. A metal container body according to claim 1, wherein a label on which product containers, product information and trademarks are printed, is fixed onto the outer periphery of the container body. 13. A method of reducing a metal container such that the metal container is capable of retaining a state of being reduced in a longitudinal direction, comprising the steps of:providing, the metal container with a surface portion, a tap portion on the surface portion, a bottom, and a container body being formed as an accordion-shaped portion, the surface portion having an outside periphery connected with an upper rim of the container body and the bottom having an outside periphery connected with a lower rim of the container body, and the accordion-shape portion includinga upper group of fold plate members increasing gradually in length downwards as measured on a cross-sectional plane taken along a longitudinal axis of the container, each upper-group fold plate member, except a last upper-group plate member, having an inside periphery connected with an inside periphery of an upper-group fold plate member by a fold therebetween, and each upper-group plate member, except a first upper-group plate member, having an outside periphery connected with an outside periphery of an upper-group told plate member by a fold therebetween, the first upper-group fold plate member having an outside periphery connected with the outside periphery of the surface portion; anda lower group of fold plate members maintaining a same length as measured on the cross-sectional plane, each lower-group plate member, except a first lower-group plate member, having an inside periphery connected with an inside periphery of an lower-group plate member by a fold therebetween, and each lower-group plate member, except a last lower-group plate member, having an outside periphery connected with an outside periphery of an lower-group plate member by a fold therebetween, the first lower-group fold plate member having an inside periphery connected with an inside periphery of the last upper-group fold plate member, each lower-group plate member is longer than each upper-group fold plate member; andapplying a force along the longitudinal direction applied to the surface portion of said container reache s a balance between a downward force on the outside periphery of the surface portion and inside peripheries of the upper-group fold plate members and a upward force on inside peripheries of the lower-group fold plate members such that a part of the surface portion and the upper-group fold plate members are collapsed downward and the inside peripheries of the lower-group fold plate members are raised upward, and a balance between a upward force on outside peripheries of the upper-group fold plate members and a downward force on outside peripheries of the lower-group fold plate members such that the outside periphery of the upper-group plate members are raised upward and the outside peripheries of the lower-group fold plate members are collapsed downwards. 14. A method of reducing the container body according to claim 13, wherein a horizontal cross-section of the container body is shaped as an ellipse, a circle or a rectangle. 15. A method of reducing the container body according to claim 13, wherein a label on which product contents, product information and trademarks are printed, is fixed onto the container body.
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