Sumitomo Rubber Industries Limited

Other

Sri Sports Limited

Sunstar Giken Kabushiki Kaisha

Jun Nishibayashi

Masahide Onuki

Kiyoto Maruoka

Kiyoshige Muraoka

Tetsuo Yamaguchi

Jun Ochi

Haruyoshi Minamiguchi

Akihisa Inoue

Takayuki Hattori

Satoshi Tanaka

Kenichi Uesaka

Kaname Yamada

Hiroaki Kawasaki

Kazuyuki Nishioka

Masaharu Takada

Shinji Okuda

Yumi Kanemitsu

Shinji Bessyo

Noritoshi Nakagawa

Yasuhisa Sekiguchi

Seigo Sakagami

Hiroshi Yoshinaga

Chikahiro Sato

An electroconductive roller including an electroconductive cellular material layer, comprised of a polyurethane composition, which has an average foamed cell diameter not more than 100 &#x3bc;m and a variation &#x394;D of the foamed cell diameter not more than 50 &#x3bc;m. The electroconductive roller has a hardness variation &#x394;Hs not more than 8 degrees and a circumferential non-uniformity index R/Rin an electric resistance thereof not more than 1.3. The electroconductive cellular material layer is made of a thermosetting one-part polyurethane composition. And the polyurethane composition is cured instantly at a temperature not less than a thermosetting critical temperature for curing thereof, after it is foamed by a mechanical foaming method.

Electroconductive roller

A viscoelastic characteristic value-measuring apparatus, using a split Hopkinson's bar, having an impact bar, input bar, and an output bar. The input bar has a first strain gauge and a second strain gauge. The output bar has a third strain gauge and a fourth strain gauge. The input bar and the output bar are made of a viscoelastic material, and a specimen is in between the input bar and the output bar. The length of said output bar is set to a range from 500 mm to 2500 mm both inclusive. The length of said input bar is set to a range from 1500 mm to 2500 mm both inclusive.

Viscoelastic characteristic value-measuring apparatus and method of measuring viscoelastic characteristic value

A testing equipment including a first joint extending upright from a base ( ), a final joint on which a holder ( ) for holding a grip of a ball-hitting tool is installed, and an intermediate joint disposed between the first and final joints. The first, intermediate, and final joints are successively connected to each other and rotated by individual driving devices in such a way that the ball-hitting tool held by the holder installed on the final joint is swung in X, Y-, and Z-directions or/and rotated around a longitudinal axis of the ball-hitting tool held by the holder to adjust/increase or decrease a distance, between a ball-hitting plane and the base, corresponding to a motion of a person swinging his/her arm up and down, with the person gripping the ball-hitting tool, adjust/change an angle of the ball-hitting plane corresponding to an inward rotation of the arm or an outward rotation thereof, and/or adjust/change an angle between a longitudinal axis of the ball-hitting tool and the base.

Ball-batting implement testing device

In a viscoelastic characteristic value-measuring apparatus, using a split Hopkinson's bar, a first strain gauge ( ) and a second strain gauge ( ) are installed on an input bar ( ) which is hit with a impact bar. A third strain gauge ( ) and a fourth strain gauge ( ) are installed on an output bar ( ) which is connected with the input bar ( ) through a specimen ( ) put between the input bar ( ) and the output bar ( ). The length of the input bar is set to not less than 1000 mm nor more than 2500 mm. The length of said output bar is set to not less than 700 mm nor more than 2200 mm. The propagation speed of a strain in the input bar and the output bar is set to not less than 1200 m/s nor more than 1800 m/s.

A rubber waste disposal apparatus processing rubber waste such as an old tire efficiently includes a casing, a rubber waste deformation unit provided in the casing to subject rubber waste to deformation, and an ozone-containing gas supply unit supplying ozone-containing gas into the casing. The rubber waste deformation unit includes a pair of cylindrical rollers having a plurality of protrusions projecting outwards, capable of sandwiching rubber waste at the gap therebetween, and a distance setting unit that can set the distance of the gap between the cylindrical rollers.

Rubber waste disposal apparatus and method of treating rubber waste

A metal material is placed on a lower mold of a press metal mold which has an upper mold and the lower mold not having engagement portions. The metal material is fused by a high energy heat source, and obtained molten metal over a melting point is pressed with the press metal mold and transformed into a predetermined configuration. The molten metal is cooled at a rate over a critical cooling rate simultaneously with or after the transformation, and the molded product of amorphous metal in predetermined configuration is obtained.

Molded product of amorphous metal and manufacturing method for the same

A friction test apparatus with rotating friction means and endless belt set around one pair of rotating drums, has a meandering prevention mechanism to prevent the belt from meandering; and a belt supporting means which has a flat stage facing the inner face of the belt and a water-supplying mechanism which supplies water between the flat stage and the belt from an upstream side of belt rotation direction to the flat stage. Said apparatus also has a sample holder driving means which has a three-component detecting portion which detects loads on the sample in front-rear direction, left-right direction and upper-lower direction, and the sample holder driving means is having a slip angle regulation mechanism for regulation of a slip angle of the sample attached to the sample holder to the belt, and constructed so as to adjust the slip ratio of the sample attached to the sample holder to the belt.

Friction test apparatus

An offset printing method is suitable for high-precision printing. Errors caused by the relative movement between a blanket cylinder 4 and a form plate 10 and the rotation of the blanket cylinder 4 on its axis which are produced in a step of transferring an ink image to the blanket cylinder 4 from the form plate 10, are reproduced in the relative movement between the blanket cylinder 4 and a surface to be printed on 11 and the rotation of the blanket cylinder 4 on its axis in a step for printing the ink image on the surface to be printed on 11 from the blanket cylinder 4. The dimensional errors produced in the ink image transferred to the surface 12 of the blanket cylinder 14 of the offset printing methods are cancelled when transferring the ink image from the surface of the blanket cylinder 4 to the surface to be printed on.

Offset printing method

Growing community of inventors

Hyogo, Japan

Jun Nishibayashi