IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0886415
(2010-09-20)
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등록번호 |
US-8544666
(2013-10-01)
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발명자
/ 주소 |
- Velmer, Marc S.
- Horton, Thomas C.
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출원인 / 주소 |
- Mead Johnson Nutrition Company
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
33 |
초록
▼
A container system for storing material includes a container and a mating closure having a tamper-evident ring frangibly attached to the closure. The container includes a neck having a container thread and an annular rim for engaging the tamper-evident ring when the closure is removed from the conta
A container system for storing material includes a container and a mating closure having a tamper-evident ring frangibly attached to the closure. The container includes a neck having a container thread and an annular rim for engaging the tamper-evident ring when the closure is removed from the container. In some embodiments, the neck includes one or more retaining structures for engaging the tamper-evident ring during retort sterilization processing, packaging, shipping or handling. The retaining structure in some embodiments includes one or more ramps having multiple inclined surfaces. Each inclined surface is oriented at an acute angle between about five and about forty-five degrees such that the tamper-evident ring can slip past the retaining structure when a threshold removal torque is applied. A method of sealing a container using a tamper-evident container system is also provided.
대표청구항
▼
1. A container for use with a closure having a frangible tamper-evident ring, the container comprising: a container body having a neck, the neck including an outer perimeter and a container thread;an annular rim protruding from the neck below the container thread; anda first ramp protruding from the
1. A container for use with a closure having a frangible tamper-evident ring, the container comprising: a container body having a neck, the neck including an outer perimeter and a container thread;an annular rim protruding from the neck below the container thread; anda first ramp protruding from the neck below the annular rim, the first ramp including a first inclined ramp surface oriented at a first inclined ramp angle and a second inclined ramp surface oriented at a second inclined ramp angle,wherein the first and second inclined ramp angles are each between about five degrees and about forty-five degrees relative to a first local reference axis, wherein the first local reference axis is oriented perpendicular to a radial axis. 2. The container of claim 1 wherein the first and second inclined ramp angles are each between about fifteen degrees and about thirty-five degrees relative to the first local reference axis. 3. The container of claim 1, further comprising: a second ramp protruding from the neck below the annular rim,wherein the second ramp is located at an angular position diametrically opposite the first rampthe second ramp having a third inclined ramp surface oriented at a third inclined ramp angle; andthe second ramp having a fourth inclined ramp surface oriented at a fourth inclined ramp angle,wherein the third and fourth inclined ramp angles are each between about five degrees and about forty-five degrees relative to a second local reference axis, wherein the second local reference axis is defined perpendicular to a radial axis. 4. The container of claim 1, further comprising: a first plateau extending from the neck between the first and second inclined ramp surfaces, the first plateau extending along the outer perimeter of the neck an angular distance between about twenty degrees and about forty-five degrees. 5. The container of claim 1, further comprising: the container thread including a first full thread profile defined at a first full thread angular location positioned on the container thread, wherein a thread reference axis extends diametrically through the first full thread angular location,wherein the first ramp is angularly offset at a first ramp offset angle relative to the thread reference axis, andwherein the first ramp offset angle is between about ten degrees and about thirty degrees. 6. A container system for storing material, the container system comprising: a closure having a cap and a tamper-evident ring frangibly attached to the cap, the tamper-evident ring including at least one ring tooth protruding radially inward;a container body having a neck defining an opening in the container, the neck including a container thread; anda first ramp protruding from the neck below the container thread, the first ramp including first and second inclined ramp surfaces, the first inclined ramp surface oriented at a first ramp angle relative to a first local reference axis, the second inclined surface oriented at a second ramp angle relative to the first local reference axis,wherein the first and second ramp angles are each between about five degrees and about forty-five degrees, andwherein the first local reference axis is defined perpendicular to a radial axis. 7. The container system of claim 6, wherein the ramp includes a ramp height H extending above the neck surface, wherein H is between about 0.5 and about 3.0 millimeters. 8. The container system of claim 6, further comprising: a second ramp protruding from the neck below the container thread, the second ramp including a third inclined ramp surface oriented at a third inclined ramp angle relative to a second local reference axis and a fourth inclined ramp surface oriented at a fourth inclined ramp angle relative to the second local reference axis,wherein the second ramp is located at an angular position on the neck diametrically opposite the first ramp. 9. A container for use with a closure having a tamper-evident ring frangibly attached to the closure, the container comprising: a container body including a neck, the neck including a substantially cylindrical neck surface;a container thread extending from a neck surface for engaging the closure;an annular rim extending from the neck surface below the container thread for engaging the tamper-evident ring; anda closure-retaining structure extending from the neck surface below the container thread, the closure-retaining structure including a first inclined ramp surface oriented at a first inclined ramp angle and a second inclined ramp surface oriented at a second inclined ramp angle,wherein the first and second inclined ramp angles are each between about five degrees and about forty-five degrees relative to a first local reference axis, wherein the first local reference axis is defined substantially perpendicular to a radial axis. 10. The container of claim 9, wherein the first closure-retaining structure further comprises a first plateau protruding from the neck surface between the first and second inclined ramp surfaces, the first plateau extending along an outer perimeter of the container neck a first angular distance between about twenty degrees and about fifty degrees. 11. The container of claim 9, further comprising: a second closure-retaining structure extending from the neck surface diametrically opposite the first closure-retaining structure, the second closure-retaining structure including a third inclined surface oriented at a third inclined ramp angle and a fourth inclined surface oriented at a fourth inclined ramp angle,wherein the third and fourth inclined ramp angles are between about five and about forty-five degrees relative to a second local reference axis, andwherein the second closure-retaining structure further comprises a second plateau extending from the neck surface between the third and fourth inclined ramp surfaces, the second plateau extending along the outer perimeter of the container neck an angular distance between about twenty and about fifty degrees. 12. The container of claim 11, further comprising: a third closure-retaining structure extending from the neck surface, the third closure-retaining structure including a fifth inclined ramp surface oriented at a fifth inclined ramp angle and a sixth inclined ramp surface oriented at a sixth inclined ramp angle,wherein the third-closure-retaining structure is angularly offset from the first closure-retaining structure by a first offset angle between about seventy degrees and about eighty degrees; anda fourth closure-retaining structure extending from the neck surface, the fourth closure-retaining structure including a seventh inclined ramp surface oriented at a seventh inclined ramp angle and an eighth inclined ramp surface oriented at an eighth inclined ramp angle,wherein the seventh and eight inclined ramp angles are each between about five and about forty-five degrees, andwherein the fourth closure-retaining structure is angularly offset from the second closure-retaining structure by a second offset angle between about seventy and about eighty degrees. 13. A container system for storing material, comprising: a container having a neck, the neck including a container thread;an annular rim protruding from the neck below the container thread;a composite closure disposed on the container, the composite closure comprising an annular closure band and a closure disk, the closure disk having an annular outer rim, the annular outer rim having a lower disk edge;a tamper-evident ring frangibly attached to the composite closure by a plurality of frangible bridges, each frangible bridge having a maximum bridge elongation defined as the maximum axial elongation the bridge can withstand before rupturing,the tamper-evident ring engages the annular rim protruding from the neck during closure removal; anda disk retainer bead protruding radially inward from the closure band, the disk retainer bead defining a maximum disk travel distance between the lower disk edge and the disk retainer bead when the closure is fully-seated on the container,wherein the maximum disk travel distance is greater than each maximum bridge elongation. 14. The container system of claim 13, wherein a ratio of maximum disk travel distance to maximum bridge elongation is greater than about 1.1. 15. The container system of claim 13, wherein the ratio of maximum disk travel distance to maximum bridge elongation is configured so that each of the plurality of frangible bridges ruptures before the disk retainer bead engages the lower disk edge during closure removal. 16. A method of sealing a container using a tamper-evident container system, the method comprising the steps of: (a) providing a container having a neck with an annular rim protruding from the container neck, wherein the annular rim engages a tamper-evident ring frangibly attached to a mating closure by a plurality of frangible bridges;(b) attaching the mating closure to the neck so that the tamper-evident ring engages the annular rim, wherein the closure provides a releasable annular seal between the neck and the closure; and(c) removing the closure from the neck so that the tamper-evident ring is rotatable with the closure and each one of the plurality of frangible bridges is broken in tension before the annular seal is released,wherein the closure includes a closure disk encircled by a closure band;the closure band further comprises a disk retainer bead protruding radially inward from the closure band and engaging the closure disk;the closure disk further comprises a lower disk edge operative to engage the disk retainer bead during closure removal; andeach one of the plurality of frangible bridges is broken before the lower disk edge engages the disk retainer bead.
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