Molded preform and container having integrated pour spout

A one-piece plastic container comprising:

• an injection molded upper portion comprising:
• a spout defining an opening into the container, said spout including a spout inner diameter surface;
• and
• a finish offset radially outwardly from said spout;
• a support ring on an outer surface of the upper portion, said support ring extending radially outward from said outer surface;
• wherein a trough is formed at a first transition between said finish and said spout, said trough defining a passage into said body, said finish defining an annular sidewall having an inner diameter and an outer diameter, said outer diameter defining at least one thread and said inner diameter defining a threadless surface that transitions into an arcuate surface that forms part of said trough, said at least one thread and said threadless surface being on opposite sides of said annular sidewall;
• a shoulder region integrally formed with and extending from said upper portion;
• and
• a stretch blow molded sidewall portion defining a longitudinal axis and extending from said shoulder region to a base portion, said sidewall portion including a sidewall inner surface, said base portion closing off an end of the container and defining a first plane, a second transition between said sidewall inner surface and said spout inner diameter surface being substantially smooth and continuous, said support ring being disposed along the longitudinal axis between said finish and said sidewall portion;
• wherein said opening defines a second plane that is generally parallel to said first plane,
• wherein said container is configured to be supported by said support ring for stretch blow molding of said sidewall portion and said base portion, and
• wherein the at least one thread extends radially outward from the outer diameter of the sidewall, and wherein the support ring has an equal diameter to the outer diameter of the sidewall.

A preform adapted to be stretch blow molded into a one-piece plastic container, the preform comprising:

• a body defining a longitudinal axis and having an upper portion, a sidewall portion and a base portion, said sidewall portion and said base portion configured to be stretch blow molded into the one-piece plastic container without substantially changing said upper portion, said sidewall portion including a sidewall inner surface, said upper portion having a spout defining an opening into said preform and a finish offset radially outwardly from said spout, said spout including a spout inner diameter surface, wherein a trough is formed at a first transition between said finish and said spout, said trough defining a passage into said body, said finish defining an annular sidewall having an inner diameter and an outer diameter, said outer diameter defining at least one thread and said inner diameter defining a threadless surface that transitions into an arcuate surface that forms part of said trough, said at least one thread and said threadless surface being on opposite sides of said annular sidewall, a second transition between said sidewall inner surface and said spout inner diameter surface being substantially smooth and continuous, said upper portion also including a support ring on an outer surface thereof, said support ring extending radially outward from said outer surface, said support ring being disposed along the longitudinal axis between said finish and said sidewall portion, said preform configured to be carried by the support ring for stretch blow molding of said sidewall portion and said base portion, wherein the at least one thread extends radially outward from the outer diameter of the sidewall, and wherein the support ring has an equal diameter to the outer diameter of the sidewall.