Abstract: A smoke detector includes: a casing; a first light emitting unit; a second light emitting unit; and a light receiving unit. A second scattering angle that is an angle between the reception axis of the light receiving unit and a second extension extending from an intersection of the second emission axis and the reception axis in a direction away from the second light emitting unit is larger than a first scattering angle that is an angle between the reception axis of the light receiving unit and a first extension extending from an intersection of the first emission axis and the reception axis in a direction away from the first light emitting unit.

Abstract: A method of injection molding an opening device on sheet packaging material for packaging pourable food products; the packaging material has at least a first and a second layer, and an opening formed through the first layer and sealed by a cover portion of the second layer; the method includes the steps of injecting molten plastic material onto a first side of the cover portion of the second layer, feeding the molten plastic material along the cover portion to cover it on the first side, and feeding the molten plastic material through an annular peripheral portion of the cover portion to form a spout of the opening device projecting from a second side, opposite the first side, of the cover portion; the molten plastic material covers the cover portion to define, with the cover portion, a user-removable sealing portion of the spout.

Abstract: Disclosed are a spout stopper with easy open and close operation when being opened or closed, a packaging container, and a packaging container manufacturing method. The spout stopper comprises a spout further comprising a spout tube and base portion, formed by injection molding and disposed upon a spout hole of a packaging container that is formed from a webbing laminate packaging material; a sealed partition of the packaging container that is capable of being ruptured; and a cap that covers the spout. The cap is inserted upon the spout tube in a detachable manner, and comprises a bottom partition, which is partially fused upon the sealed partition such that the sealed partition is capable of being ruptured by the cap, and a pull ring, which is for pulling up on the cap.

Abstract: A packaging container capable of reducing a tensile or compressive stress in the paper container caused by folding the pleat portion thereof to maintain the strength characteristics thereof, and providing a wide roof portion on one side thereof so that a large-sized spout can be fitted thereto. The packaging container including a pouring spout fitted thereto is characterized in that the top part thereof formed by folding the pleat line is formed of a surface tilted forward on the front side of the top part and a substantially flat surface adjacent to the tilted surface on the rear side of the top part and that a flap derived from the formation of the top part is allowed to abut on the container side-walls adjacent to the top part by the folding of the pleat.

Abstract: A method of injection molding an opening device on sheet packaging material for packaging pourable food products; the packaging material has at least a first and a second layer, and an opening formed through the first layer and sealed by a cover portion of the second layer; the method includes the steps of injecting molten plastic material onto a first side of the cover portion of the second layer, feeding the molten plastic material along the cover portion to cover it on the first side, and feeding the molten plastic material through an annular peripheral portion of the cover portion to form a spout of the opening device projecting from a second side, opposite the first side, of the cover portion; the molten plastic material covers the cover portion to define, with the cover portion, a user-removable sealing portion of the spout.

Abstract: Disclosed are a spout stopper with easy open and close operation when being opened or closed, a packaging container, and a packaging container manufacturing method. The spout stopper comprises a spout further comprising a spout tube and base portion, formed by injection molding and disposed upon a spout hole of a packaging container that is formed from a webbing laminate packaging material; a sealed partition of the packaging container that is capable of being ruptured; and a cap that covers the spout. The cap is inserted upon the spout tube in a detachable manner, and comprises a bottom partition, which is partially fused upon the sealed partition such that the sealed partition is capable of being ruptured by the cap, and a pull ring, which is for pulling up on the cap.

Abstract: A packaging container capable of reducing a tensile or compressive stress in the paper container caused by folding the pleat portion thereof to maintain the strength characteristics thereof, and providing a wide roof portion on one side thereof so that a large-sized spout can be fitted thereto. The packaging container including a pouring spout fitted thereto is characterized in that the top part thereof formed by folding the pleat line is formed of a surface tilted forward on the front side of the top part and a substantially flat surface adjacent to the tilted surface on the rear side of the top part and that a flap derived from the formation of the top part is allowed to abut on the container side-walls adjacent to the top part by the folding of the pleat.

Abstract: A packaging container capable of reducing a tensile or compressive stress in the paper container caused by folding the pleat portion thereof to maintain the strength characteristics thereof, and providing a wide roof portion on one side thereof so that a large-sized spout can be fitted thereto. The packaging container including a pouring spout fitted thereto is characterized in that the top part thereof formed by folding the pleat line is formed of a surface tilted forward on the front side of the top part and a substantially flat surface adjacent to the tilted surface on the rear side of the top part and that a flap derived from the formation of the top part is allowed to abut on the container side-walls adjacent to the top part by the folding of the pleat.

Abstract: There is provided a capped container in which the angle of rotation of a screw cap required for unsealing the same can be rendered small and in which a cut piece can be prevented from being completely cut away from a container body. The capped container includes a container body (11) including a wall portion and a rupture portion (36) formed at a predetermined position of the wall portion; a tubular base portion attached to the wall portion and surrounding the rupture portion (36); a movable tube (16) disposed in the base portion and thread-engaged with the base portion; and a screw cap (17) disposed outside the base portion, thread-engaged with the base portion, engaged with the movable tube (16), and adapted to rotate the movable tube (16) while being rotated. A cutting member (38) including a plurality of blades (t1 to t6) and adapted to cut the rupture portion (36) as the screw cap (17) is rotated is formed at a lower end of the movable tube (16).

Abstract: A method of injection molding an opening device on sheet packaging material for packaging pourable food products; the packaging material has at least a first and a second layer, and an opening formed through the first layer and sealed by a cover portion of the second layer; the method includes the steps of injecting molten plastic material onto a first side of the cover portion of the second layer, feeding the molten plastic material along the cover portion to cover it on the first side, and feeding the molten plastic material through an annular peripheral portion of the cover portion to form a spout of the opening device projecting from a second side, opposite the first side, of the cover portion; the molten plastic material covers the cover portion to define, with the cover portion, a user-removable sealing portion of the spout.

Abstract: There is provided a capped container in which the angle of rotation of a screw cap required for unsealing the same can be rendered small and in which a cut piece can be prevented from being completely cut away from a container body. The capped container includes a container body (11) including a wall portion and a rupture portion (36) formed at a predetermined position of the wall portion; a tubular base portion attached to the wall portion and surrounding the rupture portion (36); a movable tube (16) disposed in the base portion and thread-engaged with the base portion; and a screw cap (17) disposed outside the base portion, thread-engaged with the base portion, engaged with the movable tube (16), and adapted to rotate the movable tube (16) while being rotated. A cutting member (38) including a plurality of blades (t1 to t6) and adapted to cut the rupture portion (36) as the screw cap (17) is rotated is formed at a lower end of the movable tube (16).

Abstract: A packaging container capable of reducing a tensile or compressive stress in the paper container caused by folding the pleat portion thereof to maintain the strength characteristics thereof, and providing a wide roof portion on one side thereof so that a large-sized spout can be fitted thereto. The packaging container including a pouring spout fitted thereto is characterized in that the top part thereof formed by folding the pleat line is formed of a surface tilted forward on the front side of the top part and a substantially flat surface adjacent to the tilted surface on the rear side of the top part and that a flap derived from the formation of the top part is allowed to abut on the container side-walls adjacent to the top part by the folding of the pleat.

Abstract: An apparatus and method for sealing a sealing area of a packaging container in which the sealing area has a predetermined exterior shape. The apparatus includes a generator, a horn and an anvil. The anvil has an abutting portion that conforms to the exterior shape of the sealing area of the packaging container. The plurality of slidable plates may be composed of a ferromagnetic material, a paramagnetic material or a ceramic material. The plurality of slidable plates are supported on an elastic sleeve that allows for the inward movement of the plates when the force exerted by the horn on the sealing area exceeds the elastic force of the sleeve thereby allowing the corresponding plurality of slidable plates to conform to the exterior shape of the sealing area of the packaging container. An electromagnet may be used to restrict the movement of the slidable plates subsequent to their conforming to the exterior shape of the sealing area.

Abstract: The object is to provide a lid (11) that does not cause environmental pollution. The lid (11) comprises a lid body (12) formed of a plastic sheet and a pull-cap (14) formed of a plastic sheet. The lid body (12) covers a top end opening of a cylindrical container body (15) and has an opening-for-drinking (16). The pull-cap (14) has a sealing portion (20) for covering the opening-for-drinking (16) of the lid body (12) and for sealing the periphery of the opening-for-drinking (16), and a pull-tab portion (21) formed integrally with the sealing portion (20). The sealing portion (20) has an easy-to-peel layer. A holding groove portion is formed in the lid body (12) at a location different from the location of the opening-for-drinking (16), and a pull-cap holding section for holding the pull-cap (14) peeled off is formed at the holding groove portion.

Abstract: An object is to provide a packaging container which can be easily recycled after being thrown away, which allows food to be heated by dielectric heating, and which has an excellent thermal insulating performance. Another object is to provide a method for manufacturing the packaging container. The packaging container includes a sleeve (12) having upper and lower ends folded inward, a film (16) which covers the sleeve (12), an inner container (11) formed inside the sleeve (12), and a lid for sealing the inner container (11). The film (16) and the inner container (11) are fused and joined integrally at folded portions of the upper and lower ends of the sleeve (12). Since it becomes unnecessary to provide a thermally activatable adhesive or the like between the sleeve (12) and the inner container (11), or to apply a thermally activatable adhesive or the like onto the inner surface of the sleeve (12), storage and handling of the sleeve (12) become easier.

Abstract: A receptacle for a beverage includes a cylindrical main body (10)having an open upper end (11) that is closed by a plastic lid (20). The plastic lid (20) is provided with an opening (23) for use in drinking or otherwise discharging the contents of the container. The opening (23) can be covered with a pull tab (30) or can be left uncovered. The lid (20) is provided with a flange (21) at a portion surrounding the outer periphery of the lid (20), and a cover film (50) is sealed to the flange (21) to cover the lid (20). The upper surface of the lid (20) is shielded from outside air by the cover film (50) and therefore can be maintained in a clean condition until the opening (23) is exposed for discharging the contents in the receptacle. Thus, dust, moisture and other contaminants are prevented from becoming deposited on the lid (20).

Abstract: In a method of filling a packaging container, a liquid is charged in a container through an opening in a top end of the container to a first level below the top end of the container. The container has a deformable portion in a wall thereof so that an inside volume of the container can be adjusted. A lid is sealed on the opening, and the deformable portion of the container is deformed to elevate the liquid above the first level.

Abstract: A pull-tab (10) for a pour opening in a surface of a lid is provided in the form of a sheet having a peripheral portion cut (17) into a ring shape with a connecting portion (15) remaining uncut so that a tab portion (20) and a body portion (30) are defined outside and inside the cut, respectively. The body portion (30) has an end portion remote from the connecting portion (15) and folded toward the back side thereof along a folding line (33) extending obliquely at an angle of 45 degrees with respect to a line connecting the end portion and the connecting portion. The pull-tab (10) is placed on the pour opening (83) and the lower side of the folded portion (31) is bonded to a surface of the upper lid (81) such that the pour opening (83) is covered with that portion of the body portion (30) located between the folded fixing part (31) and the connecting portion (15).

Abstract: To simplify the operation of an input unit of a filling apparatus and achieve accurate filling of packaging containers with a liquid food. The filling apparatus includes a read-out unit which reads out packaging material information from a magnetic recording medium layer mounted on the packaging material, a sealing unit for sealing the packaging material, and a filling unit for charging the liquid food supplied thereto. Also included is a filling unit controller, which outputs control signals to the sealing unit and the filling unit in accordance with a predetermined program based on the packaging material information and liquid information sent from the read-out unit. The filling apparatus reads out necessary packaging material information from the magnetic recording medium layer at the time of filling, and charges the liquid food in accordance with the packaging material information and liquid information, and seals the packaging material.

Abstract: A pull-tab for a liquid container according to the present invention is designed in form of a sheet, and by providing a cutting line in form of a ring, leaving a connecting sector on the periphery, it comprises a handle sector, being the portion outside said cutting line, and a main sector, being the portion inside the cutting line. By providing another cutting line in convex arc in the direction away from the connecting sector on the main sector, a fastening sector is formed. In this pull-tab, the main sector covers the pouring mouth when the connecting sector is positioned near outer periphery of the pouring mouth of the liquid container. A sector between an end of the main sector opposite to the connecting sector and a fastening sector is bonded to the surface of the liquid container. When the handle sector is lifted up and the main sector is pulled up with edges of the bonded sector as a supporting axis, the fastening sector is turned, and its forward end is stopped on the surface of the liquid container.