System for blow-molding, filling and capping containers
AssigneeGraham Packaging Company, L.P.
InventorGriscom Bettle
Life of this patent
Estimating the term…
Abstract
A process and apparatus for blow-molding, sterilizing, filling and capping plastic containers under conditions of positive control in a close-coupled, compact machine to enhance operational efficiency.
Claims23
In a process for efficiently blow-molding, filling and capping, plastic containers blown from pre-forms having a neck finish, including the steps of advancing a plurality of preforms in sequence while pre-heating them in an oven;
- transferring the preforms from said pre-heat oven and into a blow-mold;
- and
- blowing the preforms into containers in the blow-mold;
- the improvement comprising:
- discharging the blown containers under positive control from said blow-mold;
- and
- advancing the containers under positive control while filling the containers and capping the filled containers;
- said positive control being effected by gripping said neck finish throughout at least said container discharging and advancing steps;
- whereby container preforms and resulting containers are maintained under continuous positive control throughout the entire container manufacturing and filling and capping process.
Apparatus for efficiently blow-molding, filling and capping plastic containers blown from pre-forms having a neck finish, comprising:
- first means for advancing a plurality of preforms in sequence under positive control while pre-heating them in an oven;
- means for transferring, the preforms under positive control from said pre-heat oven and into a blow-mold;
- means for blowing the preforms into containers in the blow-mold;
- means gripping said neck finish for discharging the blown containers under positive control from said blow-mold;
- and
- second means gripping said neck finish for advancing the containers under positive control while filling the containers and capping the filled containers;
- whereby container preforms and resulting containers are maintained under continuous positive control throughout the entire container manufacturing and filling and capping process.
In an automated blow-molded plastic container filling process wherein containers having necks with finishes are delivered to a filling machine having a fill nozzle with a discharge port for charging the containers with a liquid as they advance in tandem, the improvement comprising the steps of:
- sterilizing each container interior,
- gripping each container by its neck finish for advancing the container in the filling machine,
- tilting each container as it advances, and while tilted,
- flowing the liquid into the container through its neck while maintaining the fill nozzle stationary relative to the path of movement of the neck.
A process for efficiently filling and capping in a sterile environment plastic containers blown from pre-forms having a neck finish, comprising the steps of:
- blowing the preforms into containers in a blow-mold;
- discharging the blown containers under positive control from said blow-mold while gripping them by their neck finishes;
- introducing said neck finish gripped blown containers into a sterile enclosure;
- and
- advancing the containers in said sterile enclosure by gripping them by their neck finishes while filling the containers and capping the filled containers;
- whereby containers are maintained under continuous positive control throughout the container sterilization, filling and capping process.
Apparatus for efficiently filling and capping in a sterile environment plastic containers blown from pre-forms having a neck finish, comprising:
- means for blowing the preforms into containers in a blow-mold;
- a sterile enclosure for containing a sterilized gaseous medium adjacent said blow-mold;
- means for discharging the blown containers under positive control from said blow-mold and transferring them into said sterile enclosure while gripping them by their neck finishes, and
- means for gripping said neck finishes while advancing the containers under positive control during filling the containers and capping the filled containers in said sterile enclosure;
- whereby containers are maintained under continuous positive control throughout the entire container sterilization, filling and capping process.
Dependencies are inferred from the claim text.