Patent classifications
B29C49/18
Preform handling device, and blow forming device
A preform has a flange that protrudes outward at a neck, and is supplied in an inverted state. A preform handling device includes a star wheel that is configured so that the preform is supplied to each of a plurality of depressions that are formed in an outer circumferential part of a wheel, and pushes the preform to rotationally transfer the preform from an upstream region to a downstream region, an end face guide member that is provided in the upstream region so as to be situated under the preform and that support and guide an open end face of the preform, and a pair of flange guide members that are provided in the downstream region and that support and guide a lower side of the flange of the preform.
PRODUCTION METHOD AND PRODUCTION DEVICE FOR RESIN CONTAINER
A method of manufacturing a resin container having a flat cross-sectional shape includes a temperature adjusting step of preliminarily blowing a resin preform in a first mold to mold an intermediate molded body having a diameter larger than a diameter of a container short diameter side and adjusting a temperature of the intermediate molded body in the first mold, and a blow molding step of bringing the temperature-adjusted intermediate molded body into contact with a second mold to compress the intermediate molded body in a container short diameter direction, and then stretching and blow molding the intermediate molded body in the second mold to manufacture the resin container.
PRODUCTION METHOD AND PRODUCTION DEVICE FOR RESIN CONTAINER
A method of manufacturing a resin container having a flat cross-sectional shape includes a temperature adjusting step of preliminarily blowing a resin preform in a first mold to mold an intermediate molded body having a diameter larger than a diameter of a container short diameter side and adjusting a temperature of the intermediate molded body in the first mold, and a blow molding step of bringing the temperature-adjusted intermediate molded body into contact with a second mold to compress the intermediate molded body in a container short diameter direction, and then stretching and blow molding the intermediate molded body in the second mold to manufacture the resin container.
Apparatus and a method for expanding and simultaneously filling containers
An apparatus for expanding plastic preforms into plastic containers by a liquid medium using at least one forming station that fills and expands the plastic preforms used in the liquid medium using at least one supply device that supplies the liquid medium to a filling device of this forming station, wherein this filling device is configured to fill the liquid medium into the plastic preforms, and wherein the apparatus has a pressure generation device that supplies the liquid medium under pressure to the filling device. The pressure generation device has at least two pressure generation units that are configured to provide the liquid medium under pressure to the filling device.
SUPPORTING ASSEMBLY FOR HOLLOW TANK BODY AND FORMING METHOD FOR HOLLOW TANK BODY
A supporting assembly for a hollow tank body includes a supporting body (2) and supporting ends (1) provided at two ends of the supporting body. The supporting ends are provided with stepped transition assemblies (4) connected to the supporting body. The supporting body is configured with a hollow structure. The supporting body includes a supporting main body (5) and a base (6). The supporting main body is configured with a cylindrical structure or a cylindrical structure with a corrugated structure in the middle. With this structure, the deformation of the hollow tank body under the relatively high overpressure and the low negative pressure can be avoided, and the shape stability of the whole product can be enhanced. Meanwhile, the supporting structure needs less material, and has a light weight and lowered cost.
SUPPORTING ASSEMBLY FOR HOLLOW TANK BODY AND FORMING METHOD FOR HOLLOW TANK BODY
A supporting assembly for a hollow tank body includes a supporting body (2) and supporting ends (1) provided at two ends of the supporting body. The supporting ends are provided with stepped transition assemblies (4) connected to the supporting body. The supporting body is configured with a hollow structure. The supporting body includes a supporting main body (5) and a base (6). The supporting main body is configured with a cylindrical structure or a cylindrical structure with a corrugated structure in the middle. With this structure, the deformation of the hollow tank body under the relatively high overpressure and the low negative pressure can be avoided, and the shape stability of the whole product can be enhanced. Meanwhile, the supporting structure needs less material, and has a light weight and lowered cost.
Plastics material container
A one piece plastics material container has mouth, a wall portion adjoining the mouth in a longitudinal direction (L) and a base portion in the form of a standing face. The base portion has an injection pointsituated on the inside in a radial direction (R) with respect to the longitudinal direction (L)on the outer wall of the plastics material container, a central area which surrounds the injection point, and a transition portion which extends from the central area to the wall portion. The transition portion has in at least one radial direction (R) and preferably in each radial direction (R) a curvature with a finite radius of curvature in at least one portion. The base portion has a plurality of reinforcement ribs which starting from the central area extend in the direction of the wall portion.
Plastics material container
A one piece plastics material container has mouth, a wall portion adjoining the mouth in a longitudinal direction (L) and a base portion in the form of a standing face. The base portion has an injection pointsituated on the inside in a radial direction (R) with respect to the longitudinal direction (L)on the outer wall of the plastics material container, a central area which surrounds the injection point, and a transition portion which extends from the central area to the wall portion. The transition portion has in at least one radial direction (R) and preferably in each radial direction (R) a curvature with a finite radius of curvature in at least one portion. The base portion has a plurality of reinforcement ribs which starting from the central area extend in the direction of the wall portion.
Method for transforming plastic preforms
A method for transforming plastic preforms into plastic bottles, in which preforms are introduced into blowing stations, each blowing station having at least one blow mold and a stretching rod for stretching the preform along a longitudinal axis of the preform within the blow mold, and the preforms are expanded to form the plastic bottles by being acted upon by a gaseous medium in the blow mold, wherein a wall thickness of the plastic container is measured by at least one measuring device which outputs the measured values to a closed-loop and/or open-loop control device, wherein at least a stretching speed of the stretching rod is varied by the closed-loop and/or open-loop control device at least at times and/or at least in some locations during the blowing operation, individually for each blowing station, in order to adjust a wall thickness of the plastic bottles.
Method for transforming plastic preforms
A method for transforming plastic preforms into plastic bottles, in which preforms are introduced into blowing stations, each blowing station having at least one blow mold and a stretching rod for stretching the preform along a longitudinal axis of the preform within the blow mold, and the preforms are expanded to form the plastic bottles by being acted upon by a gaseous medium in the blow mold, wherein a wall thickness of the plastic container is measured by at least one measuring device which outputs the measured values to a closed-loop and/or open-loop control device, wherein at least a stretching speed of the stretching rod is varied by the closed-loop and/or open-loop control device at least at times and/or at least in some locations during the blowing operation, individually for each blowing station, in order to adjust a wall thickness of the plastic bottles.