Multifluid dispensing system comprising a receptacle of container in container type and an atomizer Within the receptacle, between at least two of the component-units is provided a connecting-system that includes at least some of: at least one residual interface; at least one permanent-joint of adhesive or weld type; at least one reinforcing functional-form. The connecting-system preferably extends on the entire height of the receptacle. The parts of the connecting-system are preferably, at least partially, superimposed and contained within an operational-section. Additionally, within the receptacle is provided a partitioning-system that consists of at least one mobile-sector which develops via delamination from an internal component-unit. Within the receptacle is equally provided a compression-system that consists of at least one mobile-sector which also develops via delamination from an internal component-unit. The atomizer is made entirely of plastic, is of multifluid type, comprises a return-spring having two curved arms, and a precompression valve-system.

A preform assembly includes: an outer preform that includes an outer mouth portion and a stretch portion connected to the outer mouth portion and in which a recess extending in a vertical direction is provided on an inner surface of the stretch portion; and an inner preform that includes an inner mouth portion and a stretch portion connected to the inner mouth portion, wherein an outside air introduction port communicating with a part between the outer preform and the inner preform is provided in a mouth portion composed of the outer mouth portion and the inner mouth portion located on an inner side of the outer mouth portion.

A nozzle for forming a container preform into a plastic container includes a nozzle body and a sealing portion proximate an end of the nozzle body. The sealing portion is configured to engage with a stepped interior of a finish portion of a preform having a longitudinal axis to seal without the use of an O-ring and to preclude any portion of the nozzle body from contacting the sealing surface.

A plural preform assembly having nested preforms with an inner preform and an outer preform. The preforms are sealably joined together, defining a volume between the preforms. Propellant is disposed in the volume between the preforms. The preforms are later blow molded to provide a bag in bottle, bottle in bottle or similar container. The propellant charge is already present when blow molded, preventing the need for a later propellant filling step.

A preform and methods for making the preform, as well as containers made by blow molding an additive manufactured preform.

A container preform for forming a plastic container includes a neck with a finish portion including an opening and one or more threads disposed on the finish portion for rotatably engaging with a closure to seal contents within an interior of a container formed from the preform. At least one of the one or more threads includes a main thread body, and a thread start configured to guide a thread of the closure into engagement with the main thread body. The thread start being biased towards the opening.

A blow molded container is provided. The container includes a neck including a sealing surface and a neck finish. The sealing surface defines at least one vent. In some embodiments, methods of manufacturing containers are disclosed.

A preform configured to form a container by stretch blow molding. A finish portion of the preform is at a first end of the preform. The finish portion is a container finish of the container. A support flange is at the finish portion. A tip portion is at a second end of the preform opposite to the first end and is configured to form a container base. A neck portion is adjacent to the support flange, and is configured to form a neck portion. An external stretch radius is at an outer surface of the neck portion. An internal stretch radius is at an inner surface of the neck portion. A first distance is between the internal stretch radius and the external stretch radius and is equal to, or greater than, four times a second distance between the external stretch radius and the support flange.

A nozzle for a blow-molding process includes a first sealing portion, a second sealing portion, and a seal disposed around a circumference of the first sealing portion in the form of circular edge. A transition portion is positioned between the first sealing portion and the second sealing portion. The nozzle is configured such that upon engagement of the second sealing portion with the interior of a container preform having a longitudinal axis, the second sealing portion is positioned along the longitudinal axis at a different location than the first sealing portion.

A preform is provided for blow-molding to form a container. The preform includes a finish portion for rotatably engaging a closure to seal contents within an interior of the container. The finish portion comprises a cylindrical body that begins at an opening to the interior and extends to and includes a tamper evidence ledge. A bevel at a beginning of the opening receives a plug seal of the closure. A sealing surface adjacent to the bevel is disposed along an interior of the finish portion and includes a polished buffer zone to cooperate with the plug seal to seal the container. A transition surface extends from the sealing surface to a handling surface that receives equipment to form the preform into the container. In some embodiments, the transition surface includes a polished buffer zone to cooperate with an end of the plug seal to seal the contents in the container.