IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0216410
(2002-08-08)
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발명자
/ 주소 |
- Headen, Cynthia Ann
- Beck, Martin H.
- Connor, Dennis
- Reed, Lydia
- Stevens, John Boyet
- Curtiss, Charles A.
- Leslie, Stuart
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
23 인용 특허 :
11 |
초록
▼
A bubble 6 formed in the wall 7 of a plastic container having, an interior surface 8 , an exterior surface 9 and a wall thickness 29 and being suitable for containing a liquid under pressure e.g., a carbonated beverage, including an integral structure formed of a central dome 10 having a convex oute
A bubble 6 formed in the wall 7 of a plastic container having, an interior surface 8 , an exterior surface 9 and a wall thickness 29 and being suitable for containing a liquid under pressure e.g., a carbonated beverage, including an integral structure formed of a central dome 10 having a convex outer surface 11 facing toward the adjacent exterior surface 9 and connected with an annular trough 18 having an annular concave surface facing the adjacent the exterior surface 9 , a frustum 20 interconnecting the trough 18 with the dome or an outer ring of curved cross-section, the outer ring having an annular concave surface facing toward the interior 14 , integrally formed with the container wall 7 surrounding the bubble, the bubble having a thickness approximately equal to the wall thickness. An associated container, blow mold and method are also included.
대표청구항
▼
1. A bubble ( 6 ) formed in a wall ( 7 ) of a plastic container, the container wall ( 7 ) defining an interior ( 14 ) of the container and having an interior surface ( 8 ), an exterior surface ( 9 ) and a wall thickness ( 29 ), and being suitable for containing a liquid under pressure, the bubble (
1. A bubble ( 6 ) formed in a wall ( 7 ) of a plastic container, the container wall ( 7 ) defining an interior ( 14 ) of the container and having an interior surface ( 8 ), an exterior surface ( 9 ) and a wall thickness ( 29 ), and being suitable for containing a liquid under pressure, the bubble ( 6 ) comprising:a central dome ( 10 ) defining a convex outer surface ( 11 ) recessed below the exterior surface ( 9 ) of the container ( 7 ), the convex outer surface ( 11 ) facing toward an adjacent portion of the exterior surface ( 9 ) of the container wall ( 7 ) surrounding the bubble ( 6 );an annular trough ( 18 ) surrounding the central dome ( 10 ), the annular trough ( 18 ) having an annular concave surface facing the adjacent portion of the exterior surface ( 9 ) of the container wall ( 7 ) and being recessed below the central dome ( 10 );an annular outer ring ( 22 ) surrounding the annular trough ( 18 ) and connected to the container wall ( 7 ) surrounding the bubble ( 6 ), the annular outer ring ( 22 ) having an annular concave surface facing toward the interior ( 14 ) of the container ( 7 );a first frustum ( 16 or 20 ) connected between one of the central dome ( 10 ) and the annular trough ( 18 ) and the annular outer ring ( 22 ) and the annular trough ( 18 ); andthe bubble ( 6 ) including the central dome ( 10 ), the annular trough ( 18 ), the annular outer ring ( 22 ) and first frustum ( 16 or 20 ) being integral with the container wall ( 7 ) and having a wall thickness generally equal to the thickness ( 29 ) of the container wall ( 7 ) whereby the bubble is resistant to deformation. 2. The bubble of claim 1 wherein the other of the central dome ( 10 ) and the outer ring ( 22 ) is connected to the trough ( 18 ) by way of a second frustum ( 16 ). 3. The bubble of claim 2 wherein the central dome ( 10 ), first and second frustums ( 16 and 20 ), outer ring and the container wall ( 7 ) smoothly blend together. 4. The bubble of claim 2 wherein the second frustum ( 16 ) has a straight longitudinal dimension in a range of from about 0.003 of an inch to about 0.05 of an inch. 5. The bubble of claim 4 wherein the dimension is at least 0.005 of an inch. 6. The bubble of claim 1 wherein the first frustum ( 20 ) has a straight longitudinal dimension in a range of from about 0.003 of an inch to about 0.05 of an inch. 7. The bubble of claim 6 wherein the dimension is about 0.005 of an inch. 8. The bubble of claim 1 wherein the concave cross-section of the trough ( 18 ) defines a cross-sectional surface having a radius of from about 0.005 of an inch to about 0.05 of an inch. 9. The bubble of claim 8 wherein the radius is about 0.015 of an inch. 10. The bubble of claim 1 wherein the radial spacing between the central dome ( 10 ) and the adjacent exterior surface ( 9 ) is about 0.01 of an inch to about 0.03 of an inch. 11. The bubble of claim 1 wherein the concave surface of its outer ring has a radius in cross-section from about 0.09 of an inch to about 0.12 of an inch. 12. The bubble of claim 1 wherein the central dome ( 10 ), trough ( 18 ), the first frustum interconnecting the trough ( 18 ), the outer ring and the container wall ( 7 ) smoothly blend together. 13. A bubble ( 6 ) formed in a wall ( 7 ) of a plastic container, the container wall ( 7 ) defining an interior ( 14 ) of the container and having an interior surface ( 8 ), an exterior surface ( 9 ) and a wall thickness ( 29 ) and being suitable for containing a liquid under pressure, the bubble ( 6 ) comprising:a central dome ( 10 ) defining a convex outer surface ( 11 ) recessed below the exterior surface ( 9 ) of the container ( 7 ), the convex outer surface ( 11 ) facing toward an adjacent portion of the exterior surface ( 9 ) of the container wall ( 7 ) surrounding the bubble ( 6 );an annular trough ( 18 ) surrounding the central dome ( 10 ), the annular trough ( 18 ) having an annular concave surface facing the adjacent portion of the exterior surface ( 9 ) of the con tainer wall ( 7 ) and being recessed below the central dome ( 10 );an annular outer ring ( 22 ) surrounding the annular trough ( 18 ) and connected to the container wall ( 7 ) surrounding the bubble ( 6 ), the annular outer ring ( 22 ) having an annular concave surface facing toward the interior ( 14 ) of the container ( 7 );a first frustum ( 16 or 20 ) connected between one of the central dome ( 10 ) and the annular trough ( 18 ) and the annular outer ring ( 22 ) and the annular trough ( 18 ); andthe bubble ( 6 ) including the central dome ( 10 ), the annular trough ( 18 ), the annular outer ring ( 22 ) and first frustum ( 16 or 20 ) being integral with the container wall ( 7 ) and having a wall thickness generally equal to the thickness ( 29 ) of the container wall ( 7 ), whereby the bubble is resistant to deformation;the central dome ( 10 ) has an inner surface concave to the interior and has a radius of about 0.16 of an inch to about 0.45 of an inch. 14. A plastic container suitable for containing a liquid under pressure and including at least one bubble ( 6 ) formed in a wall ( 7 ) of the plastic container, the container wall ( 7 ) defining an interior ( 14 ) of the container and having an interior surface ( 8 ), an exterior surface ( 9 ) and a wall thickness ( 29 ) and the at least one bubble comprising;a central dome ( 10 ) defining a convex outer surface ( 11 ) recessed below the exterior surface ( 9 ) of the container ( 7 ), the convex outer surface ( 11 ) facing toward an adjacent portion of the exterior surface ( 9 ) of the container wall ( 7 ) surrounding the bubble ( 6 );an annular trough ( 18 ) surrounding the central dome ( 10 ), the annular trough ( 18 ) having an annular concave surface facing the adjacent portion of the exterior surface ( 9 ) of the container wall ( 7 ) and being recessed below the central dome ( 10 );an annular outer ring ( 22 ) surrounding the annular trough ( 18 ) and connected to the container wall ( 7 ) surrounding the bubble ( 6 ), the annular outer ring ( 22 ) having an annular concave surface facing toward the interior ( 14 ) of the container ( 7 );a first frustum ( 16 or 20 ) connected between one of the central dome ( 10 ) and the annular trough ( 18 ) and the annular outer ring ( 22 ) and the annular trough ( 18 ); andthe bubble ( 6 ) including the central dome ( 10 ), the annular trough ( 18 ), the annular outer ring ( 22 ) and the first frustum ( 16 or 20 ) being integral with the container wall ( 7 ) and having a wall thickness generally equal to the thickness ( 29 ) of the container wall ( 7 ). 15. The container of claim 14 wherein the other of the central dome ( 10 ) and the outer ring ( 22 ) is connected to the trough ( 18 ) by way of a second frustum ( 16 ).
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