Abstract: An injection blow molding apparatus comprises: a first oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from an oil tank to an injection mold drive unit provided in an injection mold unit; and a second oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from the oil tank to a blow mold drive unit provided in a blow mold unit, the second oil supply section being provided independently of the first oil supply section.

Abstract: A biaxial stretch blow molding device comprises: a first guide shaft which is erected on an upper base and to which a blow core fixing member is slidably coupled; a second guide shaft erected on the stretch rod fixing member; a support member fixed to the first guide shaft and provided with a guide hole through which the second guide shaft is slidably inserted; a first drive device that moves the blow core fixing member forward and backward independently of the stretch rod fixing member; and a second drive device that moves the stretch rod fixing member forward and backward independently of the blow core fixing member.

Abstract: An injection blow molding apparatus comprises: a first oil supply section 100A which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from an oil tank 90 to an injection mold drive unit 72 provided in an injection mold unit 70; and a second oil supply section 100B which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from the oil tank 90 to a blow mold drive unit 42 provided in a blow mold unit 41, the second oil supply section 100B being provided independently of the first oil supply section 100A.

Abstract: A biaxial stretch blow molding device comprises: a first guide shaft 57 which is erected on an upper base 51 and to which a blow core fixing member 54 is slidably coupled; a second guide shaft 67 erected on the stretch rod fixing member 56; a support member 59 fixed to the first guide shaft 57 and provided with a guide hole 68 through which the second guide shaft 67 is slidably inserted; a first drive device 63 that moves the blow core fixing member 54 forward and backward independently of the stretch rod fixing member 56; and a second drive device 70 that moves the stretch rod fixing member 56 forward and backward independently of the blow core fixing member 54.

Abstract: Provided is a blow molding machine including an injection molding unit and a blow molding unit, wherein the injection molding unit includes a preform mold and an injection device configured to supply resin to the preform mold, wherein the injection device is fixed to a support plate, and wherein the support plate includes a position adjustment mechanism capable of adjusting a position of the injection device in an upper and lower direction with respect to the preform mold.

Abstract: As an injection screw 2 applies pressure, a holding pressure plunger 22 is moved backward under the pressure of a resin to flow the resin into a holding pressure path 9, and the resin in a resin path 6 is pressurized (primary holding pressure process). A shutoff plunger 12 is closed, and the resin in the resin path 6 and the holding pressure path 9 is pressurized by the holding pressure plunger 22 (secondary holding pressure process). Further, the shutoff plunger 12 is opened, and the holding pressure plunger 22 is moved forward until its tip projects into the resin path 6 to discharge all the resin in the holding pressure path 9 to the resin path 6, whereby the resin beside the injection screw 2 as compared with the shutoff plunger 12 is held with respect to the holding pressure path 9.

Abstract: A blow molding machine includes a support member and a moving mechanism that moves the support member to a projecting position a storing position. The blow molding machine includes a first fixed fulcrum shaft, and the support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion provided with a first movable fulcrum shaft. The moving mechanism includes a plurality of links connected rotatably to each other, one of the plurality of links being rotatably supported by the movable fulcrum shaft of the support member, and, when the support member is set at the projecting position, the plurality of links are maintained linearly by a first angle fixing tool, thereby enabling the plurality of links to serve as a leg portion that supports the free end portion of the support member.

Abstract: A blow molding machine includes a support member and a moving mechanism that moves the support member to a projecting position a storing position. The blow molding machine includes a first fixed fulcrum shaft, and the support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion provided with a first movable fulcrum shaft. The moving mechanism includes a plurality of links connected rotatably to each other, one of the plurality of links being rotatably supported by the movable fulcrum shaft of the support member, and, when the support member is set at the projecting position, the plurality of links are maintained linearly by a first angle fixing tool, thereby enabling the plurality of links to serve as a leg portion that supports the free end portion of the support member.

Abstract: A biaxial stretch blow molding device comprises: a first guide shaft 57 which is erected on an upper base 51 and to which a blow core fixing member 54 is slidably coupled; a second guide shaft 67 erected on the stretch rod fixing member 56; a support member 59 fixed to the first guide shaft 57 and provided with a guide hole 68 through which the second guide shaft 67 is slidably inserted; a first drive device 63 that moves the blow core fixing member 54 forward and backward independently of the stretch rod fixing member 56; and a second drive device 70 that moves the stretch rod fixing member 56 forward and backward independently of the blow core fixing member 54.

Abstract: An injection blow molding apparatus comprises: a first oil supply section 100A which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from an oil tank 90 to an injection mold drive unit 72 provided in an injection mold unit 70; and a second oil supply section 100B which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from the oil tank 90 to a blow mold drive unit 42 provided in a blow mold unit 41, the second oil supply section 100B being provided independently of the first oil supply section 100A.

Abstract: As an injection screw 2 applies pressure, a holding pressure plunger 22 is moved backward under the pressure of a resin to flow the resin into a holding pressure path 9, and the resin in a resin path 6 is pressurized (primary holding pressure process). A shutoff plunger 12 is closed, and the resin in the resin path 6 and the holding pressure path 9 is pressurized by the holding pressure plunger 22 (secondary holding pressure process). Further, the shutoff plunger 12 is opened, and the holding pressure plunger 22 is moved forward until its tip projects into the resin path 6 to discharge all the resin in the holding pressure path 9 to the resin path 6, whereby the resin beside the injection screw 2 as compared with the shutoff plunger 12 is held with respect to the holding pressure path 9.

Abstract: A blow molding machine includes a support member and a moving mechanism that moves the support member to a projecting position a storing position. The blow molding machine includes a first fixed fulcrum shaft, and the support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion provided with a first movable fulcrum shaft. The moving mechanism includes a plurality of links connected rotatably to each other, one of the plurality of links being rotatably supported by the movable fulcrum shaft of the support member, and, when the support member is set at the projecting position, the plurality of links are maintained linearly by a first angle fixing tool, thereby enabling the plurality of links to serve as a leg portion that supports the free end portion of the support member.

Abstract: In an embodiment, a neck mold assembly includes N rows of holding plates, each of the N rows of holding plates holding a plurality of neck molds. The neck mold assembly also includes a supporting-mechanism that supports the N rows of holding plates. The supporting mechanism includes at least one reinforcement shaft that is provided along a row direction of the N rows of holding plates, and two first securing sections that are secured at either end of the at least one reinforcement shaft. Each of the N rows of holding plates has at least one first through-hole that receives the at least one reinforcement shaft.

Abstract: A sandwich panel includes a middle material (2) and a surface material (3) that are laminated with a hollow columnar core (1). The middle material (2) is composed of a set of unidirectional fiber bodies (4, 5) each of whose fibers are aligned in one direction, and bonding layers formed by woven fiber bodies (6, 7). The woven fiber body (7) includes a warp yarn and a woof yarn that is orthogonal to the warp yarn, and the yarns are woven, and the woven fiber body (7) is formed so that any one of the warp yarn and the woof yarn is substantially parallel to the edge of the sandwich panel, and the other of the warp yarn and the woof yarn is substantially orthogonal to the edge of the sandwich panel.

Abstract: A blow molding apparatus includes an injection molding station (12) that injection-molds preforms (1A) held by N (N is an integer equal to or larger than 2) rows of holding plates (30), a temperature control station (14) that performs a temperature control operation on the preforms (1A), a blow molding station (16) that blow-molds the preforms into containers, and a row pitch change section (130) that changes the row pitch of the N rows of holding plates so that P1<P3<P2 is satisfied, P1 being the row pitch of the N rows of holding plates when they hold the performs, P2 being the row pitch of the N rows of holding plates when they hold the containers, and P3 being the row pitch of the N rows of holding plates when they hold the preforms that are transferred to N rows of blow molds that are opened.

Abstract: There is provided a lightweight sandwich panel of exceptional utility, which satisfies the flexural strength and in-plane shear strength requirements for an inner wall material used in aircraft. The sandwich panel comprises a laminating material in which a plurality of fiber bodies is laminated, and a surface material, the laminating material and the surface material being laminated in the stated order from the inside to the outside on the upper and lower surfaces of a hollow columnar core. The laminating material comprises at least four unidirectional fiber bodies each of which has fibers aligned in a uniform direction and is laminated so that each of the fiber directions thereof is at approximately 0°, +45°, ?45°, and 90°, respectively, in relation to one edge of the sandwich panel. The unidirectional fiber bodies are stitched together using a stitching yarn.

Abstract: As an injection screw 2 applies pressure, a holding pressure plunger 22 is moved backward under the pressure of a resin to flow the resin into a holding pressure path 9, and the resin in a resin path 6 is pressurized (primary holding pressure process). A shutoff plunger 12 is closed, and the resin in the resin path 6 and the holding pressure path 9 is pressurized by the holding pressure plunger 22 (secondary holding pressure process). Further, the shutoff plunger 12 is opened, and the holding pressure plunger 22 is moved forward until its tip projects into the resin path 6 to discharge all the resin in the holding pressure path 9 to the resin path 6, whereby the resin beside the injection screw 2 as compared with the shutoff plunger 12 is held with respect to the holding pressure path 9.

Abstract: A blow molding apparatus includes an injection molding station (12) that injection-molds preforms (1A) held by N (N is an integer equal to or larger than 2) rows of holding plates (30), a temperature control station (14) that performs a temperature control operation on the preforms (1A), a blow molding station (16) that blow-molds the preforms into containers, and a row pitch change section (130) that changes the row pitch of the N rows of holding plates so that P1<P3<P2 is satisfied, P1 being the row pitch of the N rows of holding plates when they hold the performs, P2 being the row pitch of the N rows of holding plates when they hold the containers, and P3 being the row pitch of the N rows of holding plates when they hold the preforms that are transferred to N rows of blow molds that are opened.

Abstract: A sandwich panel that has excellent practicality as an inner wall material used in aircraft, for example, whereby the abovementioned requirements of flexural strength, peel strength, and in-plane shear strength can be satisfied while having reduced weight.

Abstract: A sandwich panel that has excellent practicality as an inner wall material used in aircraft, for example, whereby the abovementioned requirements of flexural strength, peel strength, and in-plane shear strength can be satisfied while having reduced weight.