Abstract: A liquid container manufacturing method of manufacturing a liquid container that contains a content liquid from a synthetic resin preform, the method including an inflation body insertion step of inserting an inflation body into the preform; an air discharge step of discharging air out of the preform by inflating an inflation body in the preform; a mouth blocking step of blocking a mouth of the preform; an inflation body contraction step of contracting the inflation body with the mouth blocked; and a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid into the preform through a blow nozzle.

Abstract: A liquid container manufacturing method includes: a nozzle fitting step of fitting a blow nozzle into a mouth of a preform; a liquid replacing step of replacing the air in the preform with a liquid by supplying a predetermined amount of liquid from a liquid supply port to the preform with a discharge port open; and a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid from the liquid supply port into the preform after the discharge port is closed.

Abstract: A liquid-containing container manufacturing method includes: an air discharge step of discharging air inside a preform, by opening a preliminary supply path by an opening-closing body in a state in which a seal body is at a closed position to supply a liquid into the preform; and a liquid blow molding step of molding the preform into a liquid-containing container, by moving the seal body from the closed position to a open position to supply the liquid pressurized into the preform through a seat part.

Abstract: In a manufacturing method of a liquid containing container, a capper has a container holding portion configured to be displaced at a constant first velocity in the circumferential direction of a first central axis, the method including: a liquid blow molding step of molding a preform disposed in a cavity of a mold into a container body having a barrel containing a liquid; an intermediate conveying step of, after the mold is opened, gradually accelerating the container body to a third velocity and delivering the container body to a carrier of a rotary conveying machine by an intermediate conveying device; a rotary conveying step of conveying the container body and delivering the container body to the container holding portion by the carrier of the rotary conveying machine; and a capping step of attaching a cap while the container body is conveyed by the container holding portion.

Abstract: A liquid blow molding method comprises: a preliminary pressurization step of operating a pressurization supply source (30) in a state in which a blow nozzle (23) is closed by a seal body (27), to preliminarily pressurize a liquid (L) between the pressurization supply source (30) and the blow nozzle (23); an operating condition setting step of setting an operating condition of the pressurization supply source (30) based on data obtained as a result of the preliminary pressurization step; and a blow molding step of operating the pressurization supply source (30) under the operating condition set in the operating condition setting step in a state in which the blow nozzle (23) is opened, to liquid blow mold a preform (2) into a container of a predetermined shape.

Abstract: A liquid-containing container manufacturing method includes: an air discharge step of discharging air inside a preform, by opening a preliminary supply path by an opening-closing body in a state in which a seal body is at a closed position to supply a liquid into the preform; and a liquid blow molding step of molding the preform into a liquid-containing container, by moving the seal body from the closed position to a open position to supply the liquid pressurized into the preform through a seat part.

Abstract: A method of manufacturing a container by liquid blow molding includes: a liquid blow molding step of supplying a pressurized liquid to inside of a preform placed in a mold, and molding the preform into a container body containing the liquid; a placement step of placing the container body in a cup for containing a bottom part of the container body, at a mold opening position of the mold; and a conveyance step of conveying the cup holding the container body from the mold opening position to a capping position.

Abstract: A container manufacturing device having a preform manufacturing portion, a conveyor, a blow molding device, where the preform is to the blow molding device while maintain the residual heat from the preform manufacturing portion. The preform manufacturing portion includes a molding die and a feeder for supplying a molten thermoplastic resin to a cavity of the molding die. In the blow molding portion, liquid is used to mold the preform into a container of a predetermined shape.

Abstract: In a manufacturing method of a liquid containing container, a capper has a container holding portion configured to be displaced at a constant first velocity in the circumferential direction of a first central axis, the method including: a liquid blow molding step of molding a preform disposed in a cavity of a mold into a container body having a barrel containing a liquid; an intermediate conveying step of, after the mold is opened, gradually accelerating the container body to a third velocity and delivering the container body to a carrier of a rotary conveying machine by an intermediate conveying device; a rotary conveying step of conveying the container body and delivering the container body to the container holding portion by the carrier of the rotary conveying machine; and a capping step of attaching a cap while the container body is conveyed by the container holding portion.

Abstract: A liquid blow molding apparatus includes a rod guide interposed between the seal body and the stretching rod to suppress misalignment in the radial direction of the stretching rod with respect to the seal body and to seal a gap between the seal body and the stretching rod in a fluid-tight manner, and the seal body has a detachable portion detachably attached to the main body of the seal body to hold the rod guide between the detachable portion and the main body.

Abstract: A liquid container manufacturing method of manufacturing a liquid container that contains a content liquid from a synthetic resin preform, the method including an inflation body insertion step of inserting an inflation body into the preform; an air discharge step of discharging air out of the preform by inflating an inflation body in the preform; a mouth blocking step of blocking a mouth of the preform; an inflation body contraction step of contracting the inflation body with the mouth blocked; and a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid into the preform through a blow nozzle.

Abstract: A liquid container manufacturing method includes: a nozzle fitting step of fitting a blow nozzle into a mouth of a preform; a liquid replacing step of replacing the air in the preform with a liquid by supplying a predetermined amount of liquid from a liquid supply port to the preform with a discharge port open; and a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid from the liquid supply port into the preform after the discharge port is closed.

Abstract: A method of manufacturing a container by liquid blow molding includes: a preform placement step of placing a preform in a mold; a liquid blow molding step of supplying a pressurized liquid to inside of the preform placed in the mold, and molding the preform into a container body containing the liquid; a grasp and conveyance step of grasping the container body by a grasping device at a mold opening position of the mold, and conveying the container body grasped by the grasping device to a cup capable of containing a bottom part of the container body to hold the container body; and a cup conveyance step of conveying the cup holding the container body to a capping position.

Abstract: A method of manufacturing a container by liquid blow molding includes: a liquid blow molding step of supplying a pressurized liquid to inside of a preform placed in a mold, and molding the preform into a container body containing the liquid; a placement step of placing the container body in a cup for containing a bottom part of the container body, at a mold opening position of the mold; and a conveyance step of conveying the cup holding the container body from the mold opening position to a capping position.

Abstract: A blow molding apparatus for mitigating a difference in flow rates of a liquid supplied from a blow nozzle to a preform. The blow molding apparatus includes a blow nozzle that mates with an open tube portion of a preform and a seal body that opens and closes the blow nozzle. A filling head extends along an axial direction of the blow nozzle and is provided at one end with a liquid supply channel connected to the blow nozzle and with a liquid introduction channel connected to the liquid supply channel from the side. A pressurized liquid supply unit is connected to the liquid introduction channel and supplies a pressurized liquid to the liquid introduction channel. A spiral guide groove is provided around an axial center of the liquid supply channel in an inner peripheral surface of the liquid supply channel.

Abstract: A liquid blow-molding apparatus in which a liquid circulates between a feed path formed in a support block, when a valve mechanism is in a closed state, and a pressurized liquid feed unit, and pressurized liquid is fed from the feed path through a blow nozzle into a preform when the valve mechanism is in an open state. The feed path has a shape including a flow path body, a dome chamber that is formed in a domed shape and that is continuous with an upper end of the flow path body, a first port that has the same upper end as the dome chamber and which extends horizontally from the dome chamber, and a second port connected to the flow path body.

Abstract: A container manufacturing method of manufacturing a resin container, the method including: a preform feed step of feeding a preform into a cavity of a batch-type mold for blow molding, the preform being formed into a bottomed tubular shape by a resin material; a liquid blow step of filling a pressurized liquid into a preform disposed in the cavity; and an ejection step of ejecting a container after blow molding from the cavity. The method further includes a mold slide step of sliding the mold for blow molding to a slide position that is different from a position of the mold for blow molding in the liquid blow step.

Abstract: A liquid blow molding method comprises: a preliminary pressurization step of operating a pressurization supply source (30) in a state in which a blow nozzle (23) is closed by a seal body (27), to preliminarily pressurize a liquid (L) between the pressurization supply source (30) and the blow nozzle (23); an operating condition setting step of setting an operating condition of the pressurization supply source (30) based on data obtained as a result of the preliminary pressurization step; and a blow molding step of operating the pressurization supply source (30) under the operating condition set in the operating condition setting step in a state in which the blow nozzle (23) is opened, to liquid blow mold a preform (2) into a container of a predetermined shape.

Abstract: A liquid blow molding apparatus includes a rod guide interposed between the seal body and the stretching rod to suppress misalignment in the radial direction of the stretching rod with respect to the seal body and to seal a gap between the seal body and the stretching rod in a fluid-tight manner, and the seal body has a detachable portion detachably attached to the main body of the seal body to hold the rod guide between the detachable portion and the main body.

Abstract: A blow molding device is provided with a mold in which a preform is disposed, a cylindrical nozzle that is inserted into a mouth part of the preform, a pressurized fluid supply part for supplying a pressurized incompressible fluid to the nozzle, a sealing body that is movable between a closed position that blocks the nozzle and an open position that opens the nozzle, a plurality of suction holes provided on an inner peripheral surface of the nozzle, a vertical hole provided extending along the axial direction of the nozzle for connecting a plurality of suction holes to each other, and a suction pump connected to the vertical hole via a suction path for applying suction force to a plurality of the suction holes for suctioning incompressible fluid adhered to the nozzle.