Abstract: A preform, a synthetic resin container, and a method for manufacturing a synthetic resin container in which an air passage leading from an ambient air introduction hole to a trunk can be easily preserved. In the mouth, the inner body includes a large-diameter portion provided at an upper end thereof, and a small-diameter portion continuously extending below the large-diameter portion via a connecting portion. In the mouth, the outer body is provided with an ambient air introduction hole passing through the outer body, and a neck ring positioned within a height range of the small-diameter portion. The inner body is made of a crystalline resin, and a crystallized region is formed in part of the inner body, the crystallized region having a higher degree of crystallization than other regions.

Abstract: A compact container is the adjustment of a discharge amount of contents is easy. A compact container includes an inner container; an inner lid in which a communication hole is formed; a middle lid in which a discharge hole is formed; a first valve body; and a second valve body. When the inner pressure of the communication space is increased by the operation portion, the first valve body blocks communication between the communication hole and the communication space and the second valve body allows the discharge hole and the communication space to communicate with each other. When the inner pressure of the communication space is reduced by the operation portion, the second valve body blocks communication between the discharge hole and the communication space and the first valve body allows the communication hole and the communication space to communicate with each other.

Abstract: According to the present invention, there is provided a bottle formed of a synthetic resin material in a cylindrical shape with a bottom, the bottle includes a bottom portion which includes a bottom wall portion and a heel portion, in which the bottom wall portion includes an inner peripheral wall portion and a depressed wall portion, a plurality of concave portions are formed on the inner peripheral wall portion, the plurality of concave portions are located on the inner peripheral wall portion at least in a portion including a lower end edge of the inner peripheral wall portion, a plurality of convex portions are formed at a connecting portion between the inner peripheral wall portion and the depressed wall portion, and the plurality of concave portions and the plurality of convex portions are provided alternately in the circumferential direction.

Abstract: A method of manufacturing a liquid container in which a liquid is stored in a storage space of the container including a mouth, a body and a bottom, the body having a lateral folding line portion being foldable when the body is flattened in a thickness direction and extending in a circumferential direction of the body, the method including a liquid blow molding step of molding a container filled full with a liquid in a storage space by placing a preform in a mold and performing liquid blow molding; and a headspace forming step of forming a headspace in which, by separating the container filled with a liquid from the container, the body is deformed in a direction in which a thickness is increased in an area of the lateral folding line portion and a volume of the storage space is increased.

Abstract: A blow molding apparatus is configured to blow mold a preform into a container by supplying a pressurized incompressible fluid into the preform from a pressurized fluid supply unit. The blow molding apparatus includes: a drawing and discharging flow path connected to a drawing orifice; a fluid drawing source to apply drawing force to the drawing and discharging flow path, after blow molding is completed and after and/or while the blow nozzle is moved to a standby position, to draw the incompressible fluid adhering to the blow nozzle; and a pressurized gas supply source to supply a pressurized gas to the drawing and discharging flow path, after blow molding is completed and after a next preform is placed into the mold, to cause the incompressible fluid inside the drawing and discharging flow path to flow out toward the inside of the preform or toward the inside of a container.

Abstract: A dispensing container capable of changing the ratio between the amounts of two kinds of contents to be dispensed, includes two container bodies, two pumps including two stems, an adjusting member configured to press the stems and to be rotatable about an axis extending in a substantially vertical direction, and a pressing head configured to, in response to a depressing operation, rotate about an axis extending in a substantially horizontal direction, to thereby depress the stems via the adjusting member. The adjusting member includes a plurality of pressing portions against which the stems are pressed, and when the adjusting member is rotated about the axis, a depressing stroke of the one of the plurality of pressing portions on the side of one of the stems becomes shorter, and a depressing stroke of the other one of the plurality of pressing portions on the side of the other stem becomes longer.

Abstract: A synthetic resin delamination container formed by blow molding a preform assembly having an outer preform and an inner preform, at least either one of an inner surface of the outer preform and an outer surface of the inner preform being applied with a release agent. The delamination container has: an outer layer body including an outer mouth portion and a bottomed tubular body portion being continuous with the outer mouth portion; an inner layer body including an inner mouth portion and a volume-reducible and deformable storage portion peelably laminated on an inner surface of the body portion through a release agent layer formed by the release agent; and an outside air introduction port configured to introduce outside air between the outer layer body and the inner layer body, in which an applying amount per unit area of the release agent layer is 10 to 850 mg/m2.

Abstract: A double container pouring cap that can abut an air valve in an intended state and stably exhibit performance related to the air valve, and a double container includes: an air valve that can abut on and separate from a back surface of a cap body, and blocks air flow from a vent to an outside air inlet, while allowing air flow from the outside air inlet to the vent; and an inner plug provided to face the back surface of the cap body with the air valve interposed between, and including a regulation part that abuts on a part of the air valve and limits separation of the air valve from the back surface of the cap body. A first abutting surface of the air valve where the regulation part abuts is a flat surface.

Abstract: A delamination container formed by blow molding a preform assembly includes: an outer layer body including a tubular outer mouth portion and a bottomed tubular barrel portion; an inner layer body including a tubular inner mouth portion fixed to an inner side of the outer mouth portion, and a containing portion separably laminated on an inner surface of the barrel portion and capable of volume-reduction deformation; an outside air introduction port; and a plurality of protrusions integrally provided in an upper end part of the barrel portion at intervals in a circumferential direction centering on an axial center of the outer mouth portion, the plurality of protrusions each projecting from an outer surface of the barrel portion and being recessed with respect to the inner surface of the barrel portion.

Abstract: A blow molding device includes: a tubular-shaped nozzle; a tubular-shaped sealing body configured to be displaced between closing and opening positions; and a stretching rod surrounded by the sealing body. The sealing body includes a tubular wall, which has a drawing-in hole extending from one end to another end, the one end being open at a lower end of the tubular wall, and the other end being open at an outer circumferential surface of the tubular wall. The nozzle has a drawing-in path configured to communicate with the other end of the drawing-in hole when the sealing body is in the closing position. The blow molding device further includes a fluid drawing-in source configured to draw in the incompressive fluid from the drawing-in path.

Abstract: A liquid blow molding method of molding a synthetic resin preform having a mouth portion into a liquid container of a predetermined shape, including: an air-liquid replacement step of supplying a liquid into the preform from the mouth portion through a blow nozzle and discharging the air inside the preform to the outside; an air-liquid separation step of separating the air from the liquid inside the preform by vibrating the preform; and a blow molding step of molding the preform into a container of a predetermined shape by supplying a pressurized liquid into the preform from the mouth portion through the blow nozzle, after the air-liquid separation step.

Abstract: A liquid container manufacturing method includes: a liquid blow molding step of molding a preform into a liquid container having a shape conforming to an inner surface of a blow-molding mold, by supplying a pressurized liquid to an interior of the preform through a supply path in a state where a blow nozzle is engaged to a mouth of the preform; and a headspace forming step of forming a headspace in the liquid container, by discharging the liquid from an interior of the liquid container through a discharge port in a discharge rod extending to the interior of the liquid container through the blow nozzle, by introducing a pressurized gas to the interior of the liquid container through a gas inflow path in a state where the supply path is closed.

Abstract: A blow molding apparatus including: a mold; a blow nozzle; a pressurized fluid supply unit; and a blow nozzle moving unit configured to cause a relative movement of the blow nozzle between a connected position and a standby position, wherein a preform is molded into a container by supplying a pressurized incompressible fluid into the preform. The blow molding apparatus includes: a drawing member including a drawing port; a drawing pump configured to be connected to the drawing member; and a drawing member moving unit configured to move the drawing member so that the drawing port is positioned below the blow nozzle, after the container has been molded and the blow nozzle has been moved from the connected position to the standby position.

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: In a liquid container manufacturing method, a nozzle unit includes a flow path that is configured to be opened and closed by a valve embedded in a blow nozzle, and a seal pin arranged in a pin accommodating space included in the flow path has a protruding portion configured to enter a communication space in a closed state of the valve. The liquid container manufacturing method includes a liquid blow molding step of molding a preform into the liquid container, by supplying, to an interior of the preform, a pressurized liquid.

Abstract: A synthetic resin laminated container formed by extrusion blow molding into a bottle shape having a plurality of layers and including a mouth, a body and a bottom, wherein: the bottom has a grounding portion, a bottom wall portion provided inside the grounding portion and recessed inward the container with respect to the grounding portion, and a pinch-off portion having a protrusion thread shape protruding from a bottom surface that faces downward the bottom wall portion and both ends thereof in a longitudinal direction each is continuous to the grounding portion; the bottom surface is a flat surface; and an innermost layer is a polyester resin layer.

Abstract: A trigger type liquid ejector includes an ejector body and nozzle, the ejector body includes a vertical supply pipe, ejection barrel, trigger, piston, and cylinder, a recovery passage brings the cylinder in communication with the vertical supply pipe via a space between a piston body and a piston guide of the cylinder formed in the ejector body, the vertical supply pipe has a lower inner tube part where the recovery passage opens, the trigger type liquid ejector further includes an upright and inverted posture adaptor attached into the lower inner tube part where communication between the recovery passage and an inside of a container body is blocked, and a communication passage brings the recovery passage in communication with the inside of the container body forms between an outer circumferential surface of the upright and inverted posture adaptor and an inner circumferential surface of the lower inner tube part.

Abstract: A dispensing container capable of changing the ratio between the amounts of two kinds of contents to be dispensed, includes two container bodies, two pumps including two stems, an adjusting member configured to press the stems and to be rotatable about an axis extending in a substantially vertical direction, and a pressing head configured to, in response to a depressing operation, rotate about an axis extending in a substantially horizontal direction, to thereby depress the stems via the adjusting member. The adjusting member includes a plurality of pressing portions against which the stems are pressed, and when the adjusting member is rotated about the axis, a depressing stroke of the one of the plurality of pressing portions on the side of one of the stems becomes shorter, and a depressing stroke of the other one of the plurality of pressing portions on the side of the other stem becomes longer.

Abstract: A synthetic resin container, the container including: a parting line; and a plurality of reduced pressure absorbing panels each formed as a groove extending in the vertical direction while twisting in the circumferential direction, the reduced pressure absorbing panels being disposed in the trunk, in which: when the parting line passes through an upper part of a first reduced pressure absorbing panel and through a lower part of a second reduced pressure absorbing panel, the first reduced pressure absorbing panel is shallower in depth at the upper part thereof than at a central part thereof in the vertical direction, and the second reduced pressure absorbing panel is shallower in depth at the lower part thereof than at a central part thereof in the vertical direction.

Abstract: A barrier cap including a cap main body configured to be fitted onto a mouth of a container main body and an upper lid configured to be fitted onto the cap main body, the barrier cap being configured to be openable, wherein the cap main body includes a base layer and a barrier layer provided as an intermediate layer in the base layer, the base layer including a base resin, and the barrier layer containing a barrier resin, and the barrier layer includes a blend of the base resin and the barrier resin.