A plastic container including a body and a neck portion extending from the body is provided. The container includes a first anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion. The container includes a second anti-rotation lug extending radial
A plastic container including a body and a neck portion extending from the body is provided. The container includes a first anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion. The container includes a second anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion and spaced apart from the first anti-rotation lug. The container includes a first buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the first and second anti-rotation lugs. The first buttress reinforces the neck portion between the first and second anti-rotation lugs.
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1. A plastic container comprising: a body;a neck portion extending from the body, the neck portion comprising an upper section having an outer surface and a lower section having an outer surface, the lower section positioned between the body and the upper section;threads extending radially outward f
1. A plastic container comprising: a body;a neck portion extending from the body, the neck portion comprising an upper section having an outer surface and a lower section having an outer surface, the lower section positioned between the body and the upper section;threads extending radially outward from the outer surface of the lower section of the neck portion, the threads configured to engage a closure;a first anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the first anti-rotation lug having a clockwise facing engagement surface;a second anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion and spaced apart from the first anti-rotation lug, the second anti-rotation lug having a clockwise facing engagement surface; anda first buttress having an outermost surface, the first buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the first and second anti-rotation lugs, the first buttress reinforcing the neck portion between the first and second anti-rotation lugs;wherein the outermost surface of the first buttress is a continuous arc having a constant radius over at least a portion of the length of the first buttress, the first buttress extending between a clockwise end contiguous with the first anti-rotation lug and a counter-clockwise facing tapered end. 2. The plastic container of claim 1 further comprising; a third anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the third anti-rotation lug having a clockwise facing engagement surface;a fourth anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the fourth anti-rotation lug having a clockwise facing engagement surface;a second buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the second and third anti-rotation lugs, the second buttress reinforcing the neck portion between the second and third anti-rotation lugs;a third buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the third and fourth anti-rotation lugs, the third buttress reinforcing the neck portion between the third and fourth anti-rotation lugs; anda fourth buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the fourth and first anti-rotation lugs, the fourth buttress reinforcing the neck portion between the fourth and first anti-rotation lugs;the second buttress extending between a clockwise end contiguous with the second anti-rotation lug and a counter-clockwise facing tapered end;the third buttress extending between a clockwise end contiguous with the third anti-rotation lug and a counter-clockwise facing tapered end;the fourth buttress extending between a clockwise end contiguous with the fourth anti-rotation lug and a counter-clockwise facing tapered end;the second, third and fourth buttresses each having an outermost surface, wherein the outermost surface of each of the second, third and fourth buttresses is a continuous arc having a constant radius over at least a portion of the length of the buttress;wherein the constant radius portion of the continuous arc of each of the first, second, third, and fourth buttresses extends along at least more than half the length of each buttress. 3. The plastic container of claim 2 wherein each of the first, second, third and fourth buttresses extends more than 30 percent of the circumferential distance between adjacent anti-rotation lugs. 4. The plastic container of claim 3, wherein the engagement surfaces of adjacent anti-rotation lugs are spaced from each other by between 89 and 90 degrees. 5. A container comprising: a body;an opening;a neck portion extending from the body to the opening, the neck portion comprising an upper section having an outer surface and a lower section having an outer surface, the lower section positioned between the body and the upper section;threads extending radially outward from the outer surface of the lower section of the neck portion, the threads configured to engage a closure;a first anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the first anti-rotation lug having a clockwise facing engagement surface;a second anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the second anti-rotation lug having a clockwise facing engagement surface;a third anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the third anti-rotation lug having a clockwise facing engagement surface;a fourth anti-rotation lug extending radially outward from the outer surface of the upper section of the neck portion, the fourth anti-rotation lug having a clockwise facing engagement surface;a first buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the first and second anti-rotation lugs, the first buttress reinforcing the neck portion between the first and second anti-rotation lugs;a second buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the second and third anti-rotation lugs, the second buttress reinforcing the neck portion between the second and third anti-rotation lugs;a third buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the third and fourth anti-rotation lugs, the third buttress reinforcing the neck portion between the third and fourth anti-rotation lugs; anda fourth buttress extending radially outward from the outer surface of the upper section of the neck portion and positioned between the fourth and first anti-rotation lugs, the fourth buttress reinforcing the neck portion between the fourth and first anti-rotation lugs;a first section of the outer surface of the neck portion located between the first anti-rotation lug and the first buttress;a second section of the outer surface of the neck portion located between the second anti-rotation lug and the second buttress;a third section of the outer surface of the neck portion located between the third anti-rotation lug and the third buttress; anda fourth section of the outer surface of the neck portion located between the fourth anti-rotation lug and the fourth buttress;wherein outermost radii of the first, second, third and fourth sections of the outer surface of the neck portion are less than the outermost radii of the first, second, third and fourth buttresses; andwherein outermost radii of the first, second, third and fourth sections of the outer surface of the neck portion are less than the outermost radii of the first, second, third and fourth anti-rotation lugs. 6. The container of claim 5, wherein the outermost radii of the first, second, third and fourth buttresses are less than or equal to the outermost radii of the first, second, third and fourth anti-rotation lugs. 7. The container of claim 6, wherein: the first section of the outer surface of the neck portion is located immediately adjacent to the engagement surface of the first anti-rotation lug;the second section of the outer surface of the neck portion is located immediately adjacent to the engagement surface of the second anti-rotation lug;the third section of the outer surface of the neck portion is located immediately adjacent to the engagement surface of the third anti-rotation lug; andthe fourth section of the outer surface of the neck portion is located immediately adjacent to the engagement surface of the fourth anti-rotation lug. 8. The container of claim 7, wherein: the first buttress is contiguous with the second anti-rotation lug and extends at least half of the circumferential distance between the first and second anti-rotation lugs;the second buttress is contiguous with the third anti-rotation lug and extends at least half of the circumferential distance between the second and third anti-rotation lugs;the third buttress is contiguous with the fourth anti-rotation lug and extends at least half of the circumferential distance between the third and fourth anti-rotation lugs; andthe fourth buttress is contiguous with the first anti-rotation lug and extends at least half of the circumferential distance between the fourth and first anti-rotation lugs. 9. The container of claim 8, wherein the outermost surfaces of the first, second, third and fourth buttresses are substantially continuous arcs each having radii substantially the same as the outermost radii of the first, second, third and fourth anti-rotation lugs. 10. The container of claim 5, wherein: the first buttress is an odd number of raised ribs;the second buttress is an even number of raised ribs;the third buttress is an odd number of raised ribs;the fourth buttress is an even number of raised ribs; andthe raised ribs of the first, second, third and fourth buttresses extend radially outward from the outer surface of the upper section of the neck portion and extend longitudinally downward along the outer surface of the upper section of the neck portion in a direction substantially parallel to a longitudinal axis of the container. 11. The container of claim 10, wherein the cross-sectional shape of each rib of each buttress is different from the cross-sectional shape of each other rib of the same buttress, the cross-section taken in a plane perpendicular to the longitudinal axis of the container, wherein the angular spacing between each rib of each buttress is 15 degrees plus or minus a half of a degree. 12. The container of claim of claim 10, wherein the longitudinal lengths of the raised ribs of the buttresses are less than a third of the length of the neck portion. 13. The container of claim of claim 10, wherein the longitudinal lengths of the raised ribs of the buttresses are less than half of the length of the neck portion. 14. The container of claim 10, wherein the cross-sectional shape of each rib of each buttress is different from the cross-sectional shape of each other rib of the same buttress, the cross-section taken in a plane perpendicular to the longitudinal axis of the container. 15. The container of claim of claim 14, wherein the engagement surfaces of the first, second, third and fourth anti-rotational lugs are substantially perpendicular to the outer surface of the upper section of the neck finish. 16. The container of claim 10, wherein: the first buttress is five raised ribs;the second buttress is four raised ribs;the third buttress is five raised ribs; andthe fourth buttress is four raised ribs. 17. The container of claim 16, wherein the angular spacing between each rib of each buttress is 15 degrees plus or minus a half of a degree, and further wherein the angular spacing between engagement surfaces of adjacent anti-rotation lugs is 90 degrees plus or minus 1 degree. 18. The container of claim 16, wherein the angular spacing between each rib of each buttress is between 14 and 16 degrees, and further wherein the angular spacing between engagement surfaces of adjacent anti-rotation lugs is between 89 and 90 degrees. 19. The container of claim 16, wherein: the outer radii of four of the five ribs of the first buttress are substantially equal to each other and the outer radius of the fifth rib of the first buttress is less than the radii of the other four ribs of the first buttress;the outer radii of three of the four ribs of the second buttress are substantially equal to each other and the outer radius of the fourth rib of the second buttress is less than the radii of the other three ribs of the second buttress;the outer radii of four of the five ribs of the third buttress are substantially equal to each other and the outer radius of the fifth rib of the third buttress is less than the radii of the other four ribs of the third buttress; andthe outer radii of three of the four ribs of the fourth buttress are substantially equal to each other and the outer radius of the fourth rib of the fourth buttress is less than the radii of the other three ribs of the fourth buttress. 20. The container of claim 19, wherein: the fifth rib of the first buttress and the fourth rib of the second buttress are adjacent to and on opposite sides of the second anti-rotation lug;the fifth rib of the third buttress and the fourth rib of the fourth buttress are adjacent to and on opposite sides of the fourth anti-rotation lug;the first, second, third and fourth anti-rotation lugs are spaced at 90 degree intervals from each other around the circumference of the neck portion.
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