Abstract: A method for manufacturing a foam molded body which can allow the foam resin sheet to follow the shape of the cavity of the mold with high accuracy even when the thickness of the foam resin sheet is thick. The method includes an arranging step to arrange one sheet of a foam resin sheet between first and second molds, the foam resin sheet being formed by extruding and dangling a molten foam resin from a slit; and an expanding step to expand the foam resin sheet by subjecting the foam resin sheet to a reduced pressure suction.

Abstract: Provided is a mold clamping device that can simplify the component count or structure by including a mold thickness adjustment mechanism that reduces the load on a power source, is easily maintained, and has high design flexibility. Also provided is a mold clamping device that can set a long distance (daylight) between molds without having to upsize the entire mold clamping device and can simplify the component count or structure. A mold clamping device for split molds includes a first platen, a second platen, a pressure receiving platen, and a mold thickness adjustment mechanism disposed on the pressure receiving platen. At least one of the first platen and the second platen is able to move back and forth so as to approach or depart from the other. The pressure receiving platen is located on a side remote from the first platen, of the second platen.

Abstract: A blow-molded foam is provided by foaming and blow-molding the resin material including a polyethylene resin. The foamed resin includes the antioxidant by 300 ppm or more in total. The antioxidant is preferably the combination of a phosphorus antioxidant and a phenolic antioxidant. The optimum amount of phosphorus antioxidant to be included is 250 ppm to 3000 ppm, and that of phenolic antioxidant is 250 ppm to 750 ppm. In the manufacture, the collected resin material and the resin including 300 ppm or more of the antioxidant are melted and kneaded and the foaming agent is mixed thereto to provide the foamed resin, and the foamed resin is blow-molded.

Abstract: Disclosed is a hollow molded article which has an opening portion communicating with a flow channel and which can be manufactured simply. The hollow molded article includes a panel and flow channels. The panel includes a first resin sheet and a second resin sheet partly welded with the first resin sheet. The flow channels are disposed between the first resin sheet and the second resin sheet, and include connection portions for external connection which are disposed on a peripheral edge of the panel. The connection portions are formed by the first resin sheet and the second resin sheet.

Abstract: Provided is a method for manufacturing a foam molded body that can make a shape of bubbles close to a perfect circle. According to the present disclosure, a method for manufacturing a foam molded body, including a step of forming a foam parison from a melt-kneaded resin obtained by melting and kneading a raw material resin and a foaming gas in a cylinder of an extruder and molding the foam parison to obtain the foam molded body, wherein the foaming gas contains 0.1 to 1.0% of argon, is provided.

Abstract: Provided is a method for extruding molten resin in a charging space from a head by converting a rotational motion of an electric motor into a linear motion of a piston disposed in the charging space through a ball screw and thus causing the piston to move vertically, the charging space being a space into which the molten resin can be charged and formed in an accumulator, the head having an extrusion port at a lower end thereof.

Abstract: The present invention has been made in view of the foregoing, and an object thereof is to provide a float assembly that is configured to be rotatable and that defines a rotation axis without constructing the expensive pillar. The present invention provides a float assembly configured to float on water, comprising: a shaft wire extending from substantially a center of the float assembly toward underwater and configured to maintain tension, wherein the float assembly is moored by the shaft wire and configured to be rotatable.

Abstract: The present invention provides a solar panel float in which an increase in the number of components is prevented and which is easy to assemble. A float for mounting a solar panel is provided with: an annular float portion; a first support portion that supports an edge on one side of the solar panel; and a second support portion that supports an edge on the other side of the solar panel. The first support portion includes a first support plate portion rising from a wall surface on one side of an inner periphery of the annular float portion. The first support plate portion is formed of a cut-and-raised piece that has been cut and raised, from a flat plate portion integrally formed so as to close the inner periphery during molding of the annular float portion, using a lower-side portion of the flat plate portion as a bending-fulcrum point.

Abstract: A resin panel according to an embodiment includes a core material, a reinforcing material, a skin material covering the core material and the reinforcing material, and a fastened member. A reinforcing material has a first plate provided on a front surface of the core material, a second plate provided on a back surface of the core material, and a connecting plate connecting the first plate and the second plate. The fastened member is attached to the skin material by a fastening member penetrating the skin material and the first plate or the second plate of the reinforcing material.

Abstract: A method of manufacturing a resin-laminated board by preparing a pair of first and second split molds each of which is provided with a cavity; positioning two sheet materials made of a thermoplastic resin between the first and second split molds with the cavities of the first and second split molds opposed to each other; forming a plurality of recesses by recessing a first sheet material toward a second sheet material with use of a plurality of protrusions provided to the first split mold; and welding bottoms of the recesses to the second sheet material by clamping the pair of first and second split molds to obtain a resin-laminated board with a hollow structure. A mold includes a plurality of piece members, disposed at the cavity of the first split mold; and includes the protrusions and male screws provided to base ends of the protrusions.

Abstract: A delaminatable container, including: a container body; and a press-fit cap mounted to the container body. The container body is configured to include a storage portion to store contents and a mouth having an opening to discharge the contents from the storage portion, the storage portion and the mouth having an outer layer and an inner layer, and having an inner bag composed of the inner layer to be shrunk with a decrease in the contents, the mouth includes a mouth-side engagement section provided along an outer circumferential surface of the mouth, the cap includes a cap-side engagement section provided along an inner circumferential surface of the cap, the mouth-side engagement section and the cap-side engagement section are configured to be engageable with each other while the cap is mounted to the mouth.

Abstract: Present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float 10 comprises a float body 20 made of a synthetic resin molded in a hollow shape, a projecting portion 202 projecting from the upper surface of the float body 20 and having a vent hole 201, and a microporous membrane 203 adhered to the outside of the vent hole 201.

Abstract: An object is to provide a microwave container configured to precisely discharge vapor from a vapor-discharging part to avoid any vapor discharge from the remaining portions, and the microwave container includes: a container main body having an opening in its upper portion; a flange part formed to extend outwardly from the opening of the container main body; and a heat-seal part in a rib shape formed over the entire periphery of an upper surface of the flange part and heat-sealed to a film-shaped lid member for sealing the opening, wherein the heat-seal part includes a first heat-seal part for discharging vapor generated in the container main body by breaking the heat seal with the lid member when the vapor reaches a predetermined pressure, and a second heat-seal part wider than the first heat-seal part.

Abstract: Provided is a cap (11) used for a discharge container (1) and provided on a mouth portion (32) of a container main body (10) which is deformed by a pressing force and stores contents (100). The cap (11) includes: a base portion (51) having an annular bottom wall (64) having a discharge port (64a), an annular groove (64c) provided in an outer peripheral edge of the bottom wall (64), a flow port (64d) provided in the groove (64c), and a flow groove (64e) connected to the flow port (64d); a check valve (53) having a cylindrical support portion (81) having one end disposed in the groove (64c), a plurality of elastic pieces (82) connected to the support portion (81), and a valve body (83) connected to the plurality of elastic pieces (82) and opening and closing the discharge port (64a); and a discharge nozzle (52) covering the bottom wall (64).

Abstract: A method of manufacturing a foam molded article is disclosed. The method includes the steps of extruding a molten, kneaded resin containing a foaming agent through an annular slit between a die core and a die shell, surrounding the die core to form a cylindrical foam parison, extruding the parison between a pair of split molds, pinching the parison between lower pinchers disposed under the split molds, and molding the parison by closing the split molds. H/D is 1.33 to 3.33 and L/D is 0.33 to 2.00, D being a die core diameter, H being a distance between a lower surface of the die core and an upper surface of each of the split molds, and L being a distance between a lower surface of each of the split molds and an upper surface of the corresponding lower pincher. The die core diameter is between 50 and 300 mm.

Abstract: The present application provides a structure excellent in sound absorbing performance According to the present invention, provided is a structure comprising a foam molded body and a porous skin sheet, wherein the skin sheet is integrally molded with the foam molded body; the foam molded body and comprises a wide space therein; and Sw/Ft?0.5, where Ft represents the thickness of the foam molded body at a position in which the thickness of the wide space is maximum, and Sw represents the width of the wide space.

Abstract: A method of manufacturing a foam molded article, comprising: an extrusion step of extruding a molten, kneaded resin containing a foaming agent through an annular slit between a die core and a die shell surrounding the die core to form a cylindrical foam parison and extruding the foam parison between a pair of split molds; a lower-pinching step of pinching the foam parison between lower pinchers disposed under the split molds; and a molding step of molding the foam parison by closing the split molds, after the lower-pinching step, wherein H/D is 1.33 to 3.33 and L/D is 0.33 to 2.00 where D represents a diameter of the die core; H represents a distance between a lower surface of the die core and an upper surface of each of the split molds; and L represents a distance between a lower surface of each of the split molds and an upper surface of the corresponding lower pincher, is provided.

Abstract: The present disclosure provides a container with an increased movable range of an upper wall with respect to a side wall. According to the present disclosure provided is a container including a side wall, an upper hinge member, and an upper wall, wherein the upper hinge member and the side wall are connected rotatably around a first rotation axis, the upper hinge member and the upper wall are connected rotatably around a second rotation axis, and the first and second rotation axes are parallel.

Abstract: The present invention provides a float capable of suppressing deformation of the synthetic resin body even if internal gas expands and contracts due to environmental temperature change. A float 10 comprises a float body 20 made of a synthetic resin molded in a hollow shape, a projecting portion 202 projecting from the upper surface of the float body 20 and having a vent hole 201, and a microporous membrane 203 adhered to the outside of the vent hole 201.

Abstract: A delaminatable container can promptly introduce the external air into the space between the outer shell and the inner bag after discharging the contents. A delaminatable container includes a container body having an outer shell and an inner bag, the inner bag shrinking as contents decrease; and a valve member to adjust charging/discharging of air between an intermediate space and an external space S of the container body, the intermediate space located between the outer shell and the inner bag. The container body includes a storage portion to store the contents; and a mouth to discharge the contents from the storage portion; the storage portion includes a pillar body; and a shoulder connecting the body and the mouth; the shoulder is provided with a valve housing recess to house the valve member.