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.

Abstract: A double container includes: an outer layer body including an outer mouth portion and a barrel portion; an inner layer body including an inner mouth portion and a containing portion; an outside air introduction port for introducing outside air; and a plurality of vertical ribs arranged with spacing in a circumferential direction on an inner surface of the outer layer body or an outer surface of the inner layer body, and each extending over the outer mouth portion to the shoulder portion or extending over the inner mouth portion to the containing portion, wherein at least one of the plurality of vertical ribs faces the outside air introduction port.

Abstract: A liquid blow molding apparatus, including: a nozzle configured to define a flow path for a liquid that includes an opening and closing port and a discharge port; a seal body configured to open and close the opening and closing port and includes a guide hole; and a rod configured to move in an axial direction while being guided by the guide hole, wherein the seal body includes a tubular-shaped extension portion configured to extend into the discharge port when the seal body closes the opening and closing port, and a tip surface of the extension portion is configured to have liquid repellency.

Abstract: A method of injection molding a test tube-shaped preform for biaxial stretch blow molding includes supplying a major material resin from outer and inner flow paths to a combined flow path for a predetermined time and rate. For a period of time within a range of the predetermined time period during which the major material resin is supplied, the intermediate layer resin is simultaneously supplied from the middle flow path to the combined flow path at a second predetermined supplying rate. A columnar laminated molten resin is injected into a cavity of a metal mold connected to a tip of the nozzle through a gate to fill the cavity, the columnar laminated molten resin being composed of the major material resin and the intermediate layer resin formed in the major material resin in a laminated manner that are combined into a columnar shape at the combined flow path.

Abstract: 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.

Abstract: A blow molding device includes a nozzle, a pressurized fluid supply source, a seal body, and a rod. The seal body includes a tubular wall. A communication depression extending from a lower end of the tubular wall to a communication port open on an outer circumferential surface of the tubular wall is provided in an inner circumferential surface of the seal body. A communication path is provided in the nozzle. The blow molding device further includes a fluid suction source configured to suck an incompressible fluid from the communication depression through the communication path and the communication port, and/or a pressurized gas supply source configured to supply a pressurized gas that blows off the incompressible fluid from the communication depression through the communication path and the communication port.

Abstract: A cap configured to be detachably attached to a mouth portion of a container body having a containment space for contents and close the mouth portion, includes: a transparent or semitransparent topped tubular outer lid portion; and a topped tubular inner lid portion located in close contact with an inner side of the outer lid portion so as to be relatively non-rotatable. A retaining protrusion having an inclined surface that is inclined inward in a downward direction and extends to a lower end of the outer lid portion is provided on an inner peripheral surface of the outer lid portion. The retaining protrusion engages with a retaining depression provided on an outer peripheral surface of the inner lid portion, to suppress separation between the outer lid portion and the inner lid portion.

Abstract: A replacement type container that facilitates an operation of separating an inner container and prevents an outer container from dropping off at the time of latching release of an engagement portion. The replacement type container includes an inner container that houses a content, an outer container that houses the inner container, and a cap attached to the inner container.

Abstract: A liquid blow molding method molds a bottomed tubular-shaped preform into a liquid-containing container in which a content liquid is held. The liquid blow molding method includes: a first molding step of liquid blow molding the preform into a halfway shape by supplying, into the preform that has been heated to a predetermined temperature, a first liquid at a predetermined pressure through a nozzle unit; and a second molding step, performed after the first molding step, of liquid blow molding the preform by supplying a second liquid into the preform at a predetermined pressure through the nozzle unit.

Abstract: A liquid blow molding device and a liquid blow molding method are configured to supply pressurized liquid to a preform mounted to a mold to mold the preform into a shape along a cavity of the mold, and includes a blow nozzle fitted into a mouth portion of the preform, a plunger pump configured to supply pressurized liquid to the preform through the blow nozzle and a controller configured to control operation of the plunger pump. The controller controls operation of the plunger pump by position control in which a plunger of the plunger pump is moved from an original position to a predetermined final position with a predetermined operating force.

Abstract: The present invention suppresses the amount of fluid pushed out from an injection needle when confirming whether air has been pushed out of the injection needle. Provided is a syringe that comprises: a cylinder 20; an injection needle 22; a needle base 24; an injection needle cover 26; and a plunger rod 28. The needle base 24 communicates between the inside of the cylinder 20 and the inside of the injection needle 22. The injection needle cover 26, when extended from a folded state, surrounds the injection needle 22. The injection needle cover 26 comprises an injection needle surrounding part. The injection needle surrounding part has at least one cutout 130 in a section facing the needle base 24 and covering the needle base, such that the needle base 24 can be identified from the outside.

Abstract: A liquid blow molding method of molding a liquid container containing a content liquid from a preform, includes a nozzle engagement step of engaging a blow nozzle with a mouth portion of the preform; a molding step of molding the preform into a container of a predetermined shape by supplying a pressurized liquid into the preform; a suck-back step of sucking back a predetermined amount of liquid from the inside of the container to a supply channel by operating a pump in a reverse direction with the container put in the upside-down posture while the blow nozzle is engaged with the mouth portion; and a nozzle separation step of separating the blow nozzle from the mouth portion with the container put in the upright posture.

Abstract: A liquid-containing container manufacturing method includes: a liquid blow molding step of molding a preform into a liquid-containing container of a shape along an inner surface of a mold for blow molding, by supplying a liquid pressurized from a supply path into the preform in a state in which a blow nozzle engages with a mouth part of the preform; and a headspace formation step of forming a headspace in the liquid-containing container, by operating a pressurized liquid supply source in a suction direction to discharge the liquid from inside the liquid-containing container through the supply path, thereafter closing the supply path, and discharging the liquid from inside the liquid-containing container through a discharge port of a discharge rod extending into the liquid-containing container through the blow nozzle.

Abstract: A lipstick container, including: a container main body and a cap, in which the container main body includes a middle plate body provided with a screw pin, a middle cylindrical body, an inner cylindrical body in which a spiral groove into which the screw pin screwed is formed, and an outer cylindrical body, and one of the middle plate body and the inner cylindrical body moves up to a fixed position through rotation of the outer cylindrical body, and once the one reaches the fixed position, the other of the middle plate body and the inner cylindrical body moves up through rotation of the outer cylindrical body.

Abstract: A method of manufacturing a content liquid containing bottle includes: a molding step of blow molding a preform into a bottle that includes a mouth portion, a shoulder portion expanding in a direction away from the mouth portion, a barrel portion, and a bottom portion; a cap attachment step of attaching a cap to the mouth portion of the bottle filled with a content liquid; and a label attachment step of placing a tubular shrink label over outside of the bottle, and thermally shrinking the shrink label to attach the shrink label to the bottle, wherein in the label attachment step, the shrink label is thermally shrunk in a state in which one end of the shrink label is located at a region of the shoulder portion in which an inner surface is in contact with the content liquid.

Abstract: A double container has an outer layer body and an inner layer body mainly made of a polyester resin and is formed by biaxial stretch blow molding, and includes: a mouth portion; a shoulder portion, gradually increasing in diameter in a downward direction, and having an outward protruding curved shape over a length in a vertical direction in a longitudinal section; a barrel portion; and a bottom portion, wherein the mouth portion has an outside air introduction port for introducing outside air between the outer layer body and the inner layer body, and the double container includes a shoulder rib that is concave or convex as seen from outside and at least extends from an upper end of the shoulder portion to the lower end of the shoulder portion.

Abstract: A liquid blow molding device includes: a supply block including a supply path; a blow nozzle detachably attached to the supply block; a pressurized liquid supply unit configured to supply the pressurized liquid to the blow nozzle; an annular-shaped sealing surface that is provided in a portion of the supply block that is located between an inner circumferential surface defining the supply path and the outlet and that surrounds an entire circumference of the outlet; and a sealing body that is disposed inside the supply path and that is displaceable between a closing position, in which the sealing body abuts against the sealing surface to close the outlet, and an opening position, in which the sealing body is spaced from the sealing surface to open the outlet.

Abstract: In the discharger, a stopper is swingable between a restriction position which comes into contact with or approaches a locking target portion to restrict downward movement of a discharge head and a restriction release position where the restriction and locking target portions are separated to allow downward movement of the discharge head by the stopper being swung rearward from the restriction position, the stopper including the restriction portion, a finger hook outward from a depressing member in a left-right direction, and a contact target portion that comes into contact with the depressing member when the stopper is at the restriction position or when the depressing member rotates downward around a rotation axis where the stopper is at the restriction position, and a restraint protrusion protruding downward is formed at a portion of the depressing member rearward of a contact portion with which the contact target portion comes into contact.

Abstract: A square bottle that includes a mouth portion, a shoulder portion, a body portion, and a bottom portion provided to be continuous in this order from the top to the bottom in a bottle axis direction, wherein in the body portion a plurality of panel surface portions are provided to be continuous with each other with corner portions therebetween in a circumferential direction around a bottle axis and in the body portion a first peripheral groove straddling at least the corner portions in the circumferential direction is formed, and a ridge portion straddling the corner portions in the circumferential direction is formed on an inner surface defining the first peripheral groove.

Abstract: An insert-molded container in which a secondary container made of transparent synthetic resin is integrally provided to the outside of a primary container, the secondary container includes a gate mark, and a vapor-deposited layer is provided on the outer surface of the primary container in a peripheral area of the gate mark is manufactured by a manufacturing method of insert-molded container. The method includes: a cover attaching step of attaching a cover member made of transparent synthetic resin to the outer surface of a part of the primary container where a vapor-deposited layer is provided; a placing step of placing the primary container in a mold with the cover member facing a gate; and an insert molding step of injecting a transparent synthetic resin material from the gate.