Abstract: A sound output device includes a main device portion that incorporates at least a battery and that is positioned behind an auricle, a sound output portion that incorporates at least a speaker and that is positioned in front of the auricle, a connection portion that connects the main device portion and the sound output portion to each other and that is positioned to run up along an ear lobe, and a joint that is removably attached to the sound output portion, that has a sound emitting opening, and that guides sound output from the speaker to an external acoustic opening, in which the joint for one of a left ear or a right ear is mounted on the sound output portion.

Abstract: A tire vulcanization mold disclosed herein includes sectors 13 divided in a tire circumferential direction and molding a tread portion 1 of a tire, and a pair of upper and lower side plates 11 and 12 molding a sidewall portion 2 of the tire. Mold parting lines 16a and 17a formed by the sectors 13 and a pair of the upper and lower side plates 11 and 12 are located in the tread portion 1 and a distance from a tire equator CL to the mold parting lines 16a and 17a changes periodically in the tire circumferential direction.

Abstract: Provided is a sound output device including an outer housing which includes a sound emission hole and in which an internal space is formed as a disposition space, and a speaker which is disposed in the disposition space and outputs a sound outward through the sound emission hole, and the sound output device is attachable or detachable to or from a holder attached to a garment. Thereby, the sound output device can be removed from the holder in an unused state or during maintenance, a failure or damage hardly occurs, an improvement in workability in maintenance work is also achieved, and an improvement in usability can be achieved.

Abstract: Provided is a loudspeaker device that includes a body and a lock lever. The body includes an actuator that operates in response to an input drive signal, and an attachment part attachable to an adapter mounted on a helmet and including an engagement part. The lock lever includes a locking part, the lock lever being rotatably supported by the body, and allow, when rotated, the locking part to be engaged with the engagement part. The loudspeaker device is designed to be attachable and detachable to and from the adapter. The body is designed to be locked on the adapter, as a result of engagement of the locking part with the engagement part. The loudspeaker device allows for easy mounting on the helmet, while being prevented in a mounted state from falling from the helmet.

Abstract: A tire vulcanizing mold includes a groove-shaped saw cut and a vent hole which are formed in a forming surface for forming a tire surface, the vent hole being opened in the forming surface so as to communicate with the saw cut, and a vent plug being fitted in the vent hole. The vent plug includes a circular-cylindrical housing interiorly including an air discharging path, a stem being inserted in the housing, and a valve body for opening and closing the air discharging path in an end portion closer to the forming surface. The housing has a top surface positioned closer to the forming surface such that the top surface is positioned closer to the forming surface than a groove bottom of the saw cut. The top surface is provided with a cutout by which the air discharging path and the saw cut are communicated with each other.

Abstract: A tire vulcanizer is disclosed that has superior durability and in which mold parting surfaces defined by a sector and side plates are less likely to be worn even after repeated use. The tire vulcanizer includes: the sector that shapes a tread of a tire; paired upper and lower side plates that shape sidewalls of the tire; a segment that is fixed to the sector and causes the sector to move in a tire radial direction; paired upper and lower attachment plates that are respectively fixed to the paired upper and lower side plates; and the mold parting surfaces defined by the sector and the side plates. Mold inner ends of the mold parting surfaces are arranged on the tread, and the mold parting surfaces extend outward in the tire radial direction from the mold inner ends.

Abstract: A dehumidifying element includes a dehumidification space that are formed between a pair of potting material portions and that accommodates hollow fiber membranes through which highly humid dehumidification-target air is circulated. The dehumidifying element also includes an air supply hole for supplying purging air having a humidity lower than the dehumidification-target air to the dehumidification space and an air discharge hole for discharging the purging air supplied to the dehumidification space. In the dehumidification space, a guide member is disposed so as to form a plurality of regions in a cylindrical casing as viewed in the axis-L direction, and the hollow fiber membranes are accommodated in the dehumidification space so as to be distributed into the plurality of regions.

Abstract: A tire vulcanization mold disclosed herein includes sectors 13 divided in a tire circumferential direction and molding a tread portion 1 of a tire, and a pair of upper and lower side plates 11 and 12 molding a sidewall portion 2 of the tire. Mold parting lines 16a and 17a formed by the sectors 13 and a pair of the upper and lower side plates 11 and 12 are located in the tread portion 1 and a distance from a tire equator CL to the mold parting lines 16a and 17a changes periodically in the tire circumferential direction.

Abstract: A tire vulcanizer is disclosed that has superior durability and in which mold parting surfaces defined by a sector and side plates are less likely to be worn even after repeated use. The tire vulcanizer includes: the sector that shapes a tread of a tire; paired upper and lower side plates that shape sidewalls of the tire; a segment that is fixed to the sector and causes the sector to move in a tire radial direction; paired upper and lower attachment plates that are respectively fixed to the paired upper and lower side plates; and the mold parting surfaces defined by the sector and the side plates. Mold inner ends of the mold parting surfaces are arranged on the tread, and the mold parting surfaces extend outward in the tire radial direction from the mold inner ends.

Abstract: To make it possible to prevent fall from the helmet in a mounted state, and make the mounting on the helmet easier. Provided is a loudspeaker device that includes a body including: an actuator that operates in response to an input drive signal, and an attachment part that is attachable to an adapter mounted on a helmet and including an engagement part; and a lock lever including a locking part, the lock lever being rotatably supported by the body, and designed so as to allow, when rotated, the locking part to be engaged with the engagement part. The loudspeaker device is designed to be attachable and detachable to and from the adapter. The body is designed to be locked on the adapter, as a result of engagement of the locking part with the engagement part.

Abstract: A tire vulcanization mold disclosed herein includes sectors 13 divided in a tire circumferential direction and molding a tread portion 1, and a pair of upper and lower side plates 11 and 12 molding a sidewall portion 2 of a tire. Mold parting lines 16a and 17a formed by the sectors and the side plates are located in the tread portion 1. A lateral groove molding rib 18 molding a lateral groove 5 in the tread portion is provided to bridge from the sectors 13 to the side plates 11 and 12 and a protrusion molding recess 18a used to mold a protrusion 5a at a groove bottom of the lateral groove 5 is provided to the lateral groove molding rib 18. Mold parting planes 16 and 17 are provided to divide the lateral groove molding rib 18 at a position where the protrusion molding recess 18a is provided.

Abstract: A tire vulcanization mold 10 of an embodiment includes a side mold 14 having a side molding surface 20 for molding a side wall portion. The side mold 14 includes: a side mold body 24 having recesses 30 provided in the side molding surface 20; a side piece 26 fitted into the recess 30 to form a vent gap 28 with a wall surface of the recess; and a replacement piece 44 for displaying information closely fitted into a mounting hole 42 provided in the side molding surface 20 without a gap therebetween. The replacement piece 44 is provided in the side piece 26 or in the side mold body 24 so as not to span the side piece 26 and the side mold body 24.

Abstract: The tire vulcanization mold includes a molding surface for molding a tire surface of a pneumatic tire set in a cavity, a concave portion provided on the molding surface, and a vent plug provided in the concave portion. The vent plug includes a housing having a cylindrical shape and including an exhaust passage, a stem that is inserted in the housing and configured to open and close the exhaust passage of the housing, and an urging member urging the stem toward the cavity side. The concave portion has a narrow portion having a width substantially equal to the outer diameter of the housing of the vent plug, and the vent plug is disposed in the narrow portion.

Abstract: A tire vulcanizing mold is disclosed capable of accurately providing a clearance, from which air existing between a green tire and a side mold is released, on a side shaping surface and thereby preventing shaping defect. The tire vulcanizing mold includes an upper and lower pair of side molds having side shaping surfaces, each of which shapes a sidewall of a tire. Each of the side molds includes a side mold main body, plural pieces, and a clearance provided between the side mold main body and each of the pieces. The side mold main body includes plural recesses, each of which is closed in a tire circumferential direction and a tire radial direction and is opened to a side shaping surface, at spaced intervals in the tire circumferential direction. Each of the pieces is fitted into the recess and forms the side shaping surface with the side mold main body.

Abstract: A tire vulcanization mold disclosed herein includes sectors 13 divided in a tire circumferential direction and molding a tread portion 1 of a tire, and a pair of upper and lower side plates 11 and 12 molding a sidewall portion 2 of the tire. Mold parting lines 16a and 17a formed by the sectors 13 and a pair of the upper and lower side plates 11 and 12 are located in the tread portion 1 and set to pass a bend point 8c of a surface design in the tread portion 1.

Abstract: To provide a pneumatic tire with which a magnitude of a lateral force can be adjusted without changing the structure of a tread portion. In a pneumatic tire, an outer profile shape of the pneumatic tire is formed in left and right symmetry with respect to a tire equator, and a thickness of the pneumatic tire from an outer surface to an inner surface is set in left and right asymmetry with respect to the tire equator.

Abstract: A tire vulcanizing mold includes an upper and lower pair of side molds having side shaping surfaces. Each of the side molds includes: a side mold main body including plural recesses, each being opened to corresponding one of the side shaping surfaces at spaced intervals; plural pieces, each of which is fitted into the recess; and clearances provided between the side mold main body and each of the pieces. Each of the recesses includes: an outer-side inner wall surface defining an outer side in a tire radial direction; an inner-side inner wall surface defining an inner side; a pair of radial inner wall surfaces that are located between the outer-side inner wall surface and the inner-side inner wall surface and define one side and the other side in the tire circumferential direction; and a curved surface that connects the outer-side inner wall surface and the radial inner wall surface.

Abstract: A tire vulcanization mold disclosed herein includes sectors molding a tread portion of the tire and a pair of upper and lower side plates molding a sidewall portion of the tire. Mold parting lines formed by the sectors and a pair of the upper and lower side plates are located in the tread portion. A lateral groove molding rib molding a lateral groove in the tread portion is provided to bridge from the sector to the side plate and a protrusion molding recess used to mold a protrusion at a groove bottom of the lateral groove is provided to the lateral groove molding rib. Mold parting planes including the mold parting lines are provided to divide the lateral groove molding rib where the protrusion molding recess is not provided. An evacuation path from the protrusion molding recess to the mold parting plane is provided to the lateral groove molding rib.