Abstract: To manually and optionally change length of a multi-joint structure, the multi-joint structure of the present invention is constituted so that variation detection sensor such as potentiometers is provided on connecting parts between each of joints, one or a plurality of the sensors are assumed to be a unit of the group, the signals of the sensors are captured by signal processing parts in each unit of the group, the parts between the signal processing parts are connected to the communication network and the signal processing part connected to the communication network computes and processes in accordance with signal data of the sensors, and it is constituted to output moving quantity and vector when the joints move to translate and rotate by detecting variation of the connecting parts between the joints at real time when shape of the multi-joint structure is deformed.

Abstract: A waterborne coating composition comprising fine polymer particles dispersed in an aqueous medium and an inorganic filler, wherein the fine polymer particles comprise (A) 50 to 90% by weight of synthetic rubber polymer particles containing 50 to 90% by weight of a repeating unit derived from a conjugated diolefin monomer and having a glass transition temperature of ?20° C. or lower and (B) 10 to 50% by weight of acrylic polymer particles containing 50% by weight or more of a repeating unit derived from an acrylic ester and/or a methacrylic ester and having a glass transition temperature of 0° C. or lower.

Abstract: A waterborne coating composition comprising fine polymer particles dispersed in an aqueous medium and an inorganic filler, wherein the fine polymer particles comprise (A) 50 to 90% by weight of synthetic rubber polymer particles containing 50 to 90% by weight of a repeating unit derived from a conjugated diolefin monomer and having a glass transition temperature of −20° C. or lower and (B) 10 to 50% by weight of acrylic polymer particles containing 50% by weight or more of a repeating unit derived from an acrylic ester and/or a methacrylic ester and having a glass transition temperature of 0° C. or lower.

Abstract: This invention discloses an aqueous resin dispersion excellent in adhesion to a base material and stability, and capable of forming a coat which exhibits excellent vibration-damping properties over a wide temperature range, and moreover, is flexible and excellent in resistance to chipping and low temperature resistance to impact, and it is an aqueous resin dispersion comprising polymer fine particles dispersed in an aqueous medium, and contains, as the polymer fine particles, composite fine particles (A) comprising a core part and a shell part having specific glass transition temperatures (Tg), respectively, specific composite fine particles (B) wherein the Tg of its core part is different from that of the composite fine particles (A), and/or polymer fine particles (C) having a specific Tg.