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US 2007/0175855 A1Published application
Preform and container having thread groove
AssigneeAmcor Limited
InventorMichael E. Penny
Life of this patent
Estimating the term…
Abstract
A finish for a plastic container and a preform adapted to be molded into the plastic container. The finish and the preform include an upper portion having a mouth defining an opening into the container. At least one groove is defined around a radial sidewall of the upper portion. The groove slopes gradually downward along the radial sidewall to a terminal end.
Claims21
A plastic container having an upper portion, a body portion extending from said upper portion to a base, said base closing off an end of said container;
- said upper portion, said body portion and said base cooperating to define a receptacle chamber within said container into which product can be filled, said plastic container comprising:
- a mouth formed in said upper portion defining an opening into the container;
- and
- a radial sidewall of said upper portion defined in part by at least one groove formed therein, said at least one groove sloping gradually downward along said radial sidewall and away from said opening.
1 more element
A preform adapted to be molded into a plastic container, said preform comprising:
- an upper portion having a mouth corresponding to an opening into the container;
- and
- a radial sidewall of said upper portion defined in part by at least one groove formed therein, said at least one groove sloping gradually downward along said radial sidewall and away from said opening.
A plastic container assembly comprising:
- a plastic container comprising:
- a finish having a first radial sidewall and formed at an opening into said container;
- and
- at least one groove formed in said first radial sidewall, said at least one groove sloping gradually away from said opening;
- and
- a closure member adapted to selectively mate with said first radial sidewall of said container, said closure member comprising:
- a lower portion defining a closure opening;
- an upper portion defining a cover;
- and
- a second radial sidewall extending between said lower portion and said upper portion, said second radial sidewall having an inner surface defined in part by at least one thread formed thereon, said at least one thread adapted to cooperatively engage said at least one groove in an assembled position.
7 more elements
Dependencies are inferred from the claim text.