Abstract: A suction cup, includes: a suction cup body made of a synthetic resin material having elasticity; and a gel layer bonded to the suction cup body and having a surface serving as a suction face; the suction cup body being made of thermoplastic polyurethane elastomer, the gel layer being made of two-pack thermosetting polyurethane gel, the suction cup body and the gel layer being bonded to each other by bonding of an isocyanate group which the thermoplastic polyurethane elastomer has and a hydroxyl group which the two-pack thermosetting polyurethane gel has.

Abstract: An article attaching tool includes a pair of suction cup devices each having a suction cup and a case connected to the suction cup for being attached to an attaching object face through the suction cup in a state wherein the suction cup sucks the attaching object face. The article attaching tool further includes a connection section for connecting the cases of the suction cup devices in such a manner as to allow change of the posture of the cases.

Abstract: Herein disclosed a suction cup including: a suction cup body having at least one surface having a gel, the surface being a suction surface; and an elastically deformable spring element provided in or on the suction cup body, having a concave shape so as to make the suction surface have a concave shape, and energizing a central part of the suction surface away from a surface to be sucked in the condition where the suction surface is in suction contact with the surface to be sucked, wherein the spring element is formed from a material having a modulus of elasticity higher than those of natural rubber and synthetic rubbers.

Abstract: Herein disclosed a suction cup including: a suction cup body formed from an elastic material and having a surface on one side in the thickness direction thereof as a concave suction surface; and a spring element provided as a part of the suction cup body, having a concave shape along the suction surface, and capable of elastic deformation such as to energize a central part of the suction surface away from a surface to be sucked in the condition where the suction surface is in suction contact with the surface to be sucked.

Abstract: A suction cup having an adsorption surface is provided wherein the suction cup has a disk-like main suction cup unit composed of an elastically-deformable material and has an attachment surface. The attachment surface has a gel layer composed of a gel, bonded thereto so as to cover the attachment surface. The adsorption surface is formed by the surface of the gel layer, and the gel layer are composed of a center portion composing the center of the adsorption surface, and a circumferential portion composing the outer circumference of the adsorption surface. The outer circumferential portion has the thickness larger than the thickness of the center portion.

Abstract: A suction cup includes a suction cup main body, an attachment surface and a gel layer. The surface of the gel layer serves as a suction surface. In a method of manufacturing a suction cup, a cavity is formed in the inside of a common mold and a primary mold. Next, a synthetic resin material is injected into the cavity, to mold the suction cup main body. Subsequently, the primary mold is opened, to obtain the suction cup main body. Next, a secondary mold is mated to the common mold, whereby a cavity is formed in the inside of the common mold and the secondary mold. Subsequently, a gel is injected into the cavity, to mold the gel layer. Next, the secondary mold is opened, to obtain a suction cup composed of the gel layer and the suction cup main body, on the common mold.

Abstract: The present invention relates to a magnetic ring unit and a magnetic memory device; an object of the invention is to control the direction of rotation of the magnetic flux freely and with high reproducibility in a simple structure without using a thermal process such as pinning; and a magnetic ring unit is formed of a magnetic ring in eccentric ring form where the center of the inner diameter is located at a decentered position relative to the center of the outer diameter.

Abstract: The present invention relates to a magnetic ring unit and a magnetic memory device; an object of the invention is to control the direction of rotation of the magnetic flux freely and with high reproducibility in a simple structure without using a thermal process such as pinning; and a magnetic ring unit is formed of a magnetic ring in eccentric ring form where the center of the inner diameter is located at a decentered position relative to the center of the outer diameter.