Abstract: The invention provides a production method that is capable of obtaining a polyalkylene oxide having high whiteness by a simple method, and a polyalkylene oxide.

Abstract: A golf ball having a single-layer rubber core, a single-layer resin cover and one intermediate layer therebetween satisfies the following conditions: (Shore C hardness at surface of intermediate layer-encased sphere)>(Shore C hardness at ball surface), (Atti compression of core)/(Shore C hardness at core surface?Shore C hardness at core center)?1.1, and (Shore C hardness at surface of intermediate layer-encased sphere)/{(Shore C hardness at core surface?Shore C hardness at core center)×intermediate layer thickness (mm)}?2.7. This ball has a superior distance performance on full shots with an iron and a high spin performance in the short game, imparts a very soft feel and possesses an excellent durability to cracking on repeated impact. The ball is intended to satisfy the needs of skilled amateur golfers who handle iron shots skillfully.

Abstract: In a golf ball for professional golfers and skilled amateurs which has a single-layer core, a cover and at least one intermediate layer therebetween, the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) and the ball have a surface hardness relationship which satisfies the condition: (surface hardness of intermediate layer-encased sphere)>(surface hardness of ball). The core has a diameter of from 35.5 to 39.5 mm and a distinctive hardness profile that satisfies specific conditions. The ball is endowed with both an excellent flight performance and excellent durability to repeated impact.

Abstract: The present invention provides a production method for obtaining, by a simple method, a polyalkylene oxide whose molecular weight and polydispersity are controlled in the desired range. The method for producing a polyalkylene oxide of the present disclosure comprises step 1 of performing a polymerization reaction of an alkylene oxide in the presence of a chain transfer agent to obtain a high-molecular-weight polyalkylene oxide; and step 2 of irradiating the high-molecular-weight polyalkylene oxide obtained in step 1 with radiation to obtain a polyalkylene oxide; wherein the amount of the chain transfer agent is 800 mass ppm or more relative to the alkylene oxide, and the high-molecular-weight polyalkylene oxide has a viscosity in a 1 mass % aqueous solution of 6000 mPas or less.

Abstract: The present invention provides a production method for obtaining, by a simple method, a polyalkylene oxide whose molecular weight and polydispersity are controlled in the desired range. The method for producing a polyalkylene oxide of the present disclosure comprises step 1 of performing a polymerization reaction of an alkylene oxide in the presence or absence of a chain transfer agent to obtain a high-molecular-weight polyalkylene oxide; and step 2 of irradiating the high-molecular-weight polyalkylene oxide obtained in step 1 with radiation to obtain a polyalkylene oxide; wherein the amount of the chain transfer agent when used is less than 300 mass ppm relative to the alkylene oxide, and the high-molecular-weight polyalkylene oxide has a viscosity in a 1 mass % aqueous solution of 7500 mPa·s or more.

Abstract: A connector includes a contact connected to a flexible conductor, a housing that is attached to a flexible substrate and retains the contact, and a protection sheet that is constituted of an insulating film having a pressure-sensitive adhesive layer formed on one surface thereof and is disposed between the housing and the flexible substrate such that the pressure-sensitive adhesive layer faces the flexible substrate, the protection sheet being disposed so as to cover at least a front surface part of the flexible substrate on which the flexible conductor is formed, and is adhered to the flexible substrate with the pressure-sensitive adhesive layer, the housing having a flat surface facing the flexible substrate, an adhesive layer bonding the housing to the protection sheet being disposed between the flat surface and the protection sheet.

Abstract: A contact is accommodated in a contact accommodating portion of a second insulator, an end portion of an electric wire is accommodated in an opened electric-wire-end-portion accommodating portion of a projection of a first insulator, the projection is accommodated in a projection accommodating portion of a contact with a flexible conductor being sandwiched therebetween and such that the opened electric-wire-end-portion accommodating portion is opposed to an electric-wire connection piece of the contact, the electric wire extends from the electric-wire-end-portion accommodating portion and makes contact with an electric-wire contact portion of the electric-wire connection piece of the contact, and a part of the flexible conductor is sandwiched between an outer surface of the projection and a conductor contact piece of the contact and makes contact with the conductor contact piece of the contact, whereby the electric wire is electrically connected to the flexible conductor via the contact.

Abstract: An electronic equipment comprises a case and a connector which is attached to the case. The connector comprises a housing and a waterproofing member. The waterproofing member is sandwiched by a mating connector and a side portion of the housing in a second direction when the connector is mated with the mating connector. The waterproofing member has at least one first contact portion, at least one second contact portion, at least one third contact portion and at least one fourth contact portion. The third contact portion is pressed against the side portion in the second direction by elasticity of the waterproofing member upon the mating of the connector with the mating connector. The fourth contact portion is pressed against and in contact with the mating connector in the second direction by the elasticity of the waterproofing member upon the mating of the connector with the mating connector.

Abstract: In a connecting method, when a flexible conductor is exposed on a top surface of a connection object, a contact is disposed on the top surface of the connection object at the predetermined position in a state where the connection object is kept as it is, and when the flexible conductor is exposed on a bottom surface of the connection object, the contact is disposed on the top surface of the connection object at the predetermined position in a state where a part of the connection object where the connection part is disposed is inverted such that the connection part faces a top surface side of the connection object while being retained at the predetermined position.

Abstract: This invention provides a linear encoder having an arbitrary size while maintaining high producibility. An absolute linear encoder includes a long scale formed by continuously connecting a first short scale and a second short scale in which a first cyclic bit string and a second cyclic bit siring generated using the same initial value for different generator polynomials are arranged, and at least two sensors arranged at positions facing the long scale side by side in a longitudinal direction of the long scale.

Abstract: A connector is mateable with a mating connector. The connector comprises a housing and a terminal. The terminal has an arm, a contact portion and a held portion held by a holding portion of the housing. The arm couples the held portion and the contact portion to each other and supports the contact portion so that the contact portion is movable. The contact portion has a bottom portion, a first support portion, a second support portion, a first contact point and a second contact point. Each of the first support portion and the second support portion extends upward from the bottom portion. The first contact point is supported by the first support portion. The second contact point is supported by the second support portion. Under a mated state, a mating terminal of the mating connector is sandwiched and held between the first contact point and the second contact point.

Abstract: A connector is mounted on a circuit board when used. The connector has a housing and a terminal which has a held portion, a supporting portion, a coupling portion, a contact portion and a guiding portion. The coupling portion has a fulcrum. The guiding portion receives a vertical force from a mating terminal at a specific contact location. The guiding portion receives, at the specific contact location, a frictional force caused by friction between the mating terminal and the guiding portion upon movement of the mating terminal on the guiding portion. An action line of a combined force of the vertical force and the frictional force intersects with one of the circuit board and the housing at a reference point. The fulcrum is positioned beyond the reference point in a first orientation of a first horizontal direction.

Abstract: A connector includes a contact retained in a housing selectively in one of a first posture and a second posture inverted 180 degrees around a fitting direction, the contact including a contact portion to be contacted with a contact of a counter connector and a connection portion to be connected to a flexible conductor of a connection object, between a case where the contact is retained in the housing in the first posture and a case where the contact is retained in the housing in the second posture, the contact portion is situated at a same position with respect to the housing and the connection portion is situated at a different position with respect to the housing, the contact being retained in the housing in, of the first posture and the second posture, a posture corresponding to an orientation of a flexible conductor exposed surface of the connection object.

Abstract: In a connector, a contact includes: a first connection portion and a second connection portion that are retained between a first insulator and a second insulator and face each other; and a pressing force receiving portion that makes contact with the second insulator and receives a pressing force from the second insulator to thereby press the first connection portion against the second connection portion. A connection object is sandwiched between the first connection portion and the second connection portion, and at least one of the first connection portion and the second connection portion makes contact with a flexible conductor of the connection object, whereby the contact is electrically connected to the flexible conductor of the connection object.

Abstract: An encoder includes a scale having a pattern to be detected, a detecting sensor outputting a signal corresponding to the pattern, a position calculator calculating a relative position between the scale and the detecting sensor based on the signal, a position data storage storing the calculated position data, and a position estimator estimating a relative position between the scale and the detecting sensor at a calculation-target time point based on the stored position data. The position estimator estimates the position at the calculation-target time point based on positions at first and second time points each preceding the calculation-target time point by a predetermined time. The position estimator processes position data in a first time width centered on the first time point and position data in a second time width centered on the second time point to calculate the positions at the first and second time points.

Abstract: There is provided a polyhalogenated zinc phthalocyanine having good tinting strength and being capable of achieving higher brightness when the polyhalogenated zinc phthalocyanine is used in pixel portions of color filters. The object is achieved by providing the polyhalogenated zinc phthalocyanine represented by general formula 1: (wherein in general formula 1, X1 to X16 are each independently a chlorine atom, a bromine atom, or a hydrogen atom), in which a value obtained by dividing the maximum ion intensity, measured by mass spectrometry, in an m/z range of 1,780 (inclusive) to 1,820 (exclusive) by the maximum ion intensity in the m/z range of 1,820 (inclusive) to 1,860 (inclusive) is 1.00 or less.

Abstract: A connector includes a pushing member having a projection, and a contact having a projection accommodating portion of a recess shape, the projection includes a holding portion extending across the projection in a direction orthogonal to a projecting direction of the projection and holding a flexible conductor, when the projection is inserted into the projection accommodating portion of the contact together with the flexible conductor with a middle part of the flexible conductor being held by the holding portion of the projection, parts of the flexible conductor that are situated on opposite sides of and are adjoining the middle part of the flexible conductor are sandwiched between a lateral surface of the projection and an inner surface of the projection accommodating portion to contact the inner surface of the projection accommodating portion, whereby the contact is electrically connected to the flexible conductor.

Abstract: In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer and a cover, the core, an intermediate layer-encased sphere and the ball have surface hardnesses which satisfy a specific relationship, and the envelope layer, the intermediate layer and the cover have thicknesses which satisfy a specific relationship. Also, the core has a hardness profile in which the hardnesses at the core surface, core center, a position 5 mm from the core center, and a position midway between the surface and center of the core satisfy specific relationships. This golf ball, when used by mid- and high-level amateurs, enables the golfer to maintain an adequate distance on shots with a driver and achieve a good distance on iron shots, has a good spin performance on approach shots and has a good feel on impact. In addition, the ball has an excellent scuff resistance when struck with a grooved wedge.

Abstract: A connector includes a base member having a projection, a contact made of a conductive material and having a projection accommodating portion of a recess shape into which the projection is inserted, and a housing holding the contact. The housing has a holding mechanism configured to hold a flexible conductor disposed to extend across an opening end portion of the projection accommodating portion of the contact. When the projection of the base member is inserted into the projection accommodating portion of the contact together with the flexible conductor held by the holding mechanism, the flexible conductor is sandwiched between a lateral surface of the projection and an inner surface of the projection accommodating portion to contact the inner surface of the projection accommodating portion. The contact is electrically connected to the flexible conductor.

Abstract: In order to satisfy at a high level the golf ball flight and control performances relied on by professional golfers and skilled amateurs, this invention provides a multi-piece solid golf ball G having a core 1, a cover 3 and an intermediate layer 2 therebetween wherein the core is formed of a rubber composition that includes an alcohol having a value obtained by dividing the molecular weight of the alcohol by the number of hydroxyl groups thereon which is 70 or less. Also, letting Hc be the JIS-C hardness at the center of the core, H12 be the JIS-C hardness at a position 12 mm from the core center and Ho be the JIS-C hardness at the surface of the core, the core has a hardness profile in which these hardnesses satisfy fixed relationships defined by specific formulas.