Abstract: An inexpensive electrically conductive roll which is easily produced compared with conventional rolls, offers stable adhesion at the interface with time lapse after mixing adhesive components, which is not affected by environment during storage of the core after being applied with an adhesive. The electrically conductive roll comprises a shaft 11, an adhesive layer 12 formed on an outer periphery of the shaft and a base rubber layer 13 formed on an outer periphery of the adhesive layer, wherein the base rubber layer includes an addition reaction curing silicone elastomer and the adhesive layer includes a one part epoxy adhesive.

Abstract: A semi-conductive roll is provided including a shaft, a low-hardness base layer formed on an outer circumferential surface of the shaft, and a coating layer formed by coating the low-hardness base layer radially outwardly. The coating layer includes one of a rubber material and an elastomer material that is crosslinked by at least one resin crosslinking agent.

Abstract: At the time for forming an internal gear from a raw material 2 of an internal gear, first, the raw material 2 is externally inserted onto a forming die 3 and fixed to the forming die 3 through a pressing die 4. Next, a forming roll 5 is moved in a direction as indicated by an arrow B of FIG. 6 while rotating the forming die 3. By this, the inner peripheral surface of the raw material 3 is pressed against an outer gear part 3b formed on the outer peripheral surface of the forming die 3 so that an internal gear part 1c is formed on the inner peripheral surface of the raw material 2. The rotating direction of the forming die 3 is selected such that the first end part of the outer gear part 3b located on the front side in the feeding direction of the forming roll 5 is moved ahead in the rotating direction (the direction as indicated by an arrow A of FIG. 6) of the second end part located on the rear side in the feeding direction of the forming roll 5.

Abstract: A method for producing a sheet transport roll with an appropriate cure and short curing time so as to form a textured roll surface without defects caused by air inclusion or the like and thereby obtain a high friction coefficient, and also an excellent abrasion resistance. The method comprises the steps of: providing a mold having an inner textured surface and containing a shaft 1 for the roll; filling a urethane composition into the mold; and forming a urethane roll portion 2 on an outer periphery of the shaft by hardening the urethane composition, the urethane composition comprising: (A) a polyether polyol blend containing polytetramethyleneether glycol (PTMG) and polypropylene glycol (PPG) in a weight ratio of PTMG/PPG=99/1 to 50/50; (B) a polyisocyanate; (C) a chain lengthening agent; (D) a plasticizer; and (E) a diazabicyclo amine salt.

Abstract: At the time for forming an internal gear from a raw material 2 of an internal gear, first, the raw material 2 is externally inserted onto a forming die 3 and fixed to the forming die 3 through a pressing die 4. Next, a forming roll 5 is moved in a direction as indicated by an arrow B of FIG. 6 while rotating the forming die 3. By this, the inner peripheral surface of the raw material 3 is pressed against an outer gear part 3b formed on the outer peripheral surface of the forming die 3 so that an internal gear part 1c is formed on the inner peripheral surface of the raw material 2. The rotating direction of the forming die 3 is selected such that the first end part of the outer gear part 3b located on the front side in the feeding direction of the forming roll 5 is moved ahead in the rotating direction (the direction as indicated by an arrow A of FIG. 6) of the second end part located on the rear side in the feeding direction of the forming roll 5.

Abstract: An inexpensive electrically conductive roll which is easily produced compared with conventional rolls, offers stable adhesion at the interface with time lapse after mixing adhesive components, which is not affected by environment during storage of the core after being applied with an adhesive. The electrically conductive roll comprises a shaft 11, an adhesive layer 12 formed on an outer periphery of the shaft and a base rubber layer 13 formed on an outer periphery of the adhesive layer, wherein the base rubber layer includes an addition reaction curing silicone elastomer and the adhesive layer includes a one part epoxy adhesive.

Abstract: A semi-conductive roll including a shaft, a low-hardness base layer formed on an outer circumferential surface of the shaft, and a coating layer formed by coating radially outwardly of the low-hardness base layer, wherein the coating layer is formed such that a rubber material or an elastomer material is crosslinked by at least one resin crosslinking agent.

Abstract: A charging roll which is held in rolling contact with a photosensitive drum for charging the photosensitive drum. The charging roll includes an outermost layer formed of a resin composition containing a grafted carbon as an electrically conductive agent. The grafted carbon includes a carbon black and a polymer which is grafted on the carbon black so as to cover a surface of the carbon black.

Abstract: A charging roll which is held in rolling contact with a photosensitive drum for charging the photosensitive drum. The charging roll includes an outermost layer formed of a resin composition containing a grafted carbon as an electrically conductive agent. The grafted carbon includes a carbon black and a polymer which is grafted on the carbon black so as to cover a surface of the carbon black.

Abstract: A housing (2) includes first and second housing components (3A, 3B). The first and second components (3A, 3B) are fixed by bolts (6). Each bolt (6) extends through a central portion of a planet gear (72) of a planetary gear mechanism (7). The planet gear (72) is rotatably supported on the housing (3) through the bolts (6).

Abstract: In a parallel-axis differential, a pair of sun gears are received in a housing in a coaxial relation. Also, at least a pair of planetary gears are received in the housing in parallel relation with the sun gears. The planetary gears of the pair are in engagement with the pair of sun gears, respectively and also in engagement with each other. A window opening for introducing lubricating oil is formed in the housing. Also, a fin for guiding the lubricating oil toward the window opening is formed on the outer surface of the housing. The fin is situated on the rear side of the window opening with reference to one rotating direction of said housing.

Abstract: In a differential for vehicles, a pair of side gears are received in a housing and coaxial with the housing. The pair of side gears are spline-connected with end portions of a pair of coaxial output shafts. The pair of side gears are meshed with each other through paired element gears. Each side gear has a protrusion of a reduced diameter to be inserted in a receiving recess of the housing. A primary thrust washer and a coned disk spring are interposed between a shoulder of each side gear and the housing. A secondary thrust washer is interposed between the protrusion of the side gear and the housing. With a distal end face of the protrusion of the side gear contacting the housing through the secondary thrust washer, a distance between the shoulder of the side gear and the inner surface of the housing is larger than a total thickness of the primary thrust washer and the coned disk spring.

Abstract: 4-Amino(alkyl)cyclohexane-1-carboxamide compounds of the formula (I) ##STR1## wherein each symbol is as defined in the Specification, isomers thereof and pharmaceutically acceptable acid addition salts thereof.The 4-amino(alkyl)cyclohexane-1-carboxamide compounds, isomers thereof and pharmaceutically acceptable acid addition salts thereof of the present invention have potent and long-lasting coronary, cerebral, renal and peripheral blood flow increasing actions and are less toxic, and thus are useful as a potent and long-lasting antihypertensive agent and an agent for the prevention and treatment of diseases in the circulatory organs such as coronary, cerebral, renal and peripheral arteries.