Bottles with improved top loading resistance are disclosed herein. The bottles may have generally “square” body profiles and may include structural features such as variable wall thickness, specific shoulder angles, and other structural reinforcement components. The bottle may have one or both of th
Bottles with improved top loading resistance are disclosed herein. The bottles may have generally “square” body profiles and may include structural features such as variable wall thickness, specific shoulder angles, and other structural reinforcement components. The bottle may have one or both of the following characteristics: a weight and barrel thickness specific top loading strength of no less than 2.30 lbf/g×mm and a weight and volume specific top loading strength of no less than 1.00 lbf×L/g.
대표청구항▼
1. A bottle, comprising: a neck terminating in a mouth, wherein the neck comprises two opposing sidewalls interconnecting opposing front and back walls; anda barrel connected to a base,wherein the bottle has a weight and barrel thickness specific top loading strength of at least 2.30 lbf/(gram·milli
1. A bottle, comprising: a neck terminating in a mouth, wherein the neck comprises two opposing sidewalls interconnecting opposing front and back walls; anda barrel connected to a base,wherein the bottle has a weight and barrel thickness specific top loading strength of at least 2.30 lbf/(gram·millimeter). 2. The bottle of claim 1, wherein the thickness of the neck front wall is about 1.5 times the thickness of the neck back wall. 3. The bottle of claim 2, wherein the thickness of the neck front wall is about 1.5 times the thickness of the neck sidewalls. 4. The bottle of claim 1, wherein the barrel comprises two opposing sidewalls interconnecting opposing front and back walls. 5. The bottle of claim 4, wherein the neck merges into the barrel back wall at an angle of no less than about 15°. 6. The bottle of claim 5, wherein the neck merges into the barrel sidewalls at an angle of no less than 15°. 7. The bottle of claim 1, wherein the base comprises a concave bottom wall, front and back walls upwardly extending from the bottom wall, and opposing sidewalls upwardly extending from the bottom wall and interconnecting the front and back walls. 8. The bottle of claim 7, wherein the barrel is wider than the bottom wall of the base. 9. The bottle of claim 7, wherein the bottom wall comprises radially extending reinforcement ribs. 10. A bottle, comprising: a neck terminating in a mouth, the neck having a neck front wall thickness that is about 1.5 times greater than a remaining neck wall thickness at an equivalent bottle height; anda barrel connected to a base,wherein the bottle has a weight and volume specific top loading strength of at least 1.00 (lbf×Liter)/gram. 11. The bottle of claim 10, wherein the neck comprises two opposing sidewalls interconnecting opposing front and back walls. 12. The bottle of claim 11, wherein the thickness of the neck front wall is about 1.5 times the thickness of the barrel. 13. The bottle of claim 12, wherein the thickness of the neck front wall is about 1.5 times the thickness of the neck sidewalls. 14. The bottle of claim 10, wherein the neck merges into the barrel at an angle of no less than about 15°. 15. The bottle of claim 10, wherein the barrel comprises two opposing sidewalls interconnecting opposing front and back walls. 16. The bottle of claim 10, wherein the base comprises a concave bottom wall, front and back walls upwardly extending from the bottom wall, and opposing sidewalls upwardly extending from the bottom wall and interconnecting the front and back walls. 17. A plastic bottle, comprising: a neck terminating in a mouth, wherein the neck comprises two opposing sidewalls interconnecting opposing front and back walls; anda barrel connected to a base,wherein the bottle has a weight and volume specific top loading strength of at least 1.00 (lbf×Liter)/gram, and a weight and barrel thickness specific top loading strength of at least 2.30 lbf/(gram·millimeter). 18. The bottle of claim 17, wherein the thickness of the neck front wall is about 1.5 times the thickness of the neck sidewalls. 19. The bottle of claim 17, wherein the neck merges into the barrel at an angle of no less than about 15°.
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Nakamaki Setsuko,JPX ; Maruhashi Yoshitsugu,JPX ; Kato Nobuyuki,JPX ; Matsuno Kenji,JPX ; Kurashima Hideo,JPX ; Ikegami Hiroo,JPX ; Takeuchi Kimio,JPX, Biaxially-stretch-blow-molded container having excellent heat resistance and method of producing the same.
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