Komatsu Corporation

Kabushiki Kaisha Komatsu Seisakusho

Ricoh Company, Ltd.

Nok Corporation

Jun Maruyama

Hiroshi Yamamoto

Tadao Karakama

Seita Hayashi

Satoshi Arai

Shuji Hori

Ryuusuke Komura

Teruo Akiyama

Koji Yamashita

Mitsumasa Akashi

Masayoshi Mototani

Kazunori Ikei

Masamitsu Takeuchi

Keisuke Taka

Kei Kawabata

Yu Tsuchimura

Hiroshi Endo

Naoki Ishizaki

Mitsunobu Morita

Kunio Hayakawa

Kazuhiro Hatake

Toru Matsuyama

Sadao Nunotani

Masatake Tamaru

Kenzo Kimoto

Hitoshi Shimbo

Masami Naruse

Kenji Kanemaru

Tatsuya Futami

Masayuki Tanaami

Yutaka Matsuoka

Shyuji Hori

Masato Miyake

Suji Hori

Youhei Hisada

Etsuro Sato

Hideaki Tachibana

A reversible thermosensitive recording medium including: a support; a reversible thermosensitive recording layer on the support; and a protective layer on the reversible thermosensitive recording layer, wherein the reversible thermosensitive recording layer contains an electron-donating color-forming compound and an electron-accepting compound, wherein the protective layer contains a polyester acrylate resin, and wherein the protective layer has a glass transition temperature of 230&#xb0; C. or higher and has an elongation of 10% or higher.

Reversible thermosensitive recording medium and reversible thermosensitive recording member

The present invention provides a thermoreversible recording medium which includes a support, a thermoreversible recording layer which comprises a thermoreversible composition containing an electron-donating color-forming compound and an electron-accepting compound, a metal compound-containing layer which includes a resin, an organic metal compound, and an inorganic layer compound, in which the resin is at least one selected from the group consisting of polyvinyl alcohol polymers, and ethylene-vinyl alcohol copolymers, and the organic metal compound is at least one selected from the group consisting of an organic titanium compound and an organic zirconium compound, and a protective layer which protects the metal compound-containing layer, wherein the support, the thermoreversible recording layer, the metal compound-containing layer and the protective layer are laminated in this order.

Thermoreversible recording medium, and thermoreversible recording member

A heat resistance improver including a heat resistance improving component which has a benzotriazole skeleton having an electron attractive group and a reactive aliphatic hydroxyl group or a reactive aliphatic mercapto group, wherein the heat resistance improver is used in a reversible thermosensitive recording medium.

Heat resistance improver and reversible thermosensitive recording medium

A reversible thermosensitive recording material including a support, a reversible thermosensitive recording layer, and a gas barrier layer, the reversible thermosensitive recording layer and gas barrier layer being laid over the support, wherein the reversible thermosensitive recording layer is formed of a reversible thermosensitive composition containing a mixture of an electron-accepting compound and an electron-donating color-forming compound whose color-developed state varies depending upon at least one of a heating temperature and a cooling rate after heating, and wherein the gas barrier layer contains an inorganic layered compound and a gas barrier resin which is at least one selected from the group consisting of polyvinyl alcohol polymers and ethylene-vinyl alcohol copolymers.

Reversible thermosensitive recording material, IC card, magnetic card and method for producing reversible thermosensitive recording material

The present invention provides a reversible thermosensitive recording medium including: where 'n' is an integer of 23 or greater.

Reversible thermosensitive recording medium, reversible thermosensitive recording label, member, and image processing method

A bearing seal includes: a ring-shaped outer seal portion; a ring-shaped inner seal portion provided inside the outer seal portion; a connecting portion for connecting the inner seal portion and the outer seal portion; and a ring-shaped rigid portion provided at the connecting portion. The outer seal portion, the inner seal portion, and the connecting portion are integrally formed of the same material consisting of an elastic material. The inner seal portion has rigidity higher than that of the outer seal portion, and has a ring-shaped seal surface gradually approaching a ring center axis of the inner seal portion while extending from a ring-shaped base end side connected to the connecting portion toward a distal end side. The inner seal portion is formed in a tapered cylindrical shape having the ring-shaped seal surface on an inner peripheral surface thereof, and has a thickness which gradually decreases from the base end side toward the distal end side. The inner seal portion includes only one inner seal portion.

Bearing seal

A bearing seal includes an outer seal easily displaceable in the radial direction, an inner ring as a ring-shaped rigid portion not extendable in the radial direction, an inner seal having a seal lip, and an outer ring arranged on the outer peripheral portion of the outer seal, in which the spring constant of the inner seal is set to be larger than the spring constant of the outer seal. The sealing performance between the inner seal and the pin is ensured by using the ring-shaped rigid portion as a boundary. When the pin is displaced in the radial direction, the ring-shaped rigid portion is integrally displaced with the pin via the inner seal, and the displacement of the ring-shaped rigid portion can be absorbed by the outer seal.

Bearing seal and swing device

A hydraulic pipe arrangement of a working machine is not in contact with an obstacle and no torsion and no bending are generated. Accordingly, in a hydraulically driven type working machine provided with a boom ( ) having a vertical swing supporting point supported at a base end side by a machine frame and a joint connection supporting point in a front end side, an arm ( ) connected in a base end side to the joint connection supporting point, a boom driving hydraulic cylinder ( a) hoisting around a hoist supporting point provided in the machine frame so as to drive the boom, an arm driving hydraulic cylinder ( ), and a working tool driving hydraulic cylinder ( ), a swivel joint mechanism relaying a hydraulic pipe arrangement from a side of the machine frame is provided at a center of at least one of the vertical swing supporting point, the joint connection supporting point and the boom driving hydraulic cylinder hoist supporting point.

Hydraulically driven type working machine

A damper for a hydraulic pilot valve having a valve body in which a plurality of pressure reducing valves, a rotational shaft, an operation member attached to the rotational shaft and a handling member rotating the rotational shaft are provided. The pressure reducing valves are operated through the operation member by rotating the rotational shaft by the handling member, and the damper is disposed in the valve body and is adapted to apply an operational resistance to the operation member due to a viscous resistance of a fluid having high viscosity.

Damper of hydraulic pilot valve

Apparatus for preventing reverse rotation for hydraulic actuator

A damper for a hydraulic pilot valve having a valve body in which a plurality of pressure reducing valves, a rotational shaft, an operation member attached to the rotational shaft and a handling member rotating the rotational shaft are provided. The pressure reducing valves are operated through the operation member, by rotating the rotational shaft by the handling member, and the damper is disposed in the valve body and is adapted to apply an operational resistance to the operation member due to a viscous resistance of a fluid having high viscosity.

Hydraulic pilot valve

A multiple valve includes first and second valve units respectively having first and second valve bodies. The first and second valve bodies have respective spool bores therein; and a respective spool is inserted in the spool bore of each of the first and second valve bodies. The first and second valve bodies of the first and second valve units also have inlet ports, tank ports, and first and second blocks having mounting holes, the blocks and a respective valve body being fixedly coupled together by means of stud bolts. The first block has a first threaded hole on one side surface thereof for receiving the stud bolt, and a second threaded hole on another side surface thereof for receiving a cover bolt. A pump passage, a main passage and a tank passage extend between the one side surface and the another side surface of the first block, and a stud bolt extends through the second block and is engaged with the first threaded hole. A cover is fixedly mounted on the another side surface of the first block by a cover bolt which is engaged with the second threaded hole, the cover having a cut-out groove therein for communicating the pump passage with the main passage.

Multiple valve unit for pressurized fluid supply system

Growing community of inventors

Yokohama, Japan

Jun Maruyama