Minato-ku, Japan
Minato-ku, Japan

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Patent
Nichias Corporation | Date: 2017-02-08

A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt%.


Patent
Toyota Jidosha Kabushiki Kaisha and Nichias Corporation | Date: 2017-02-08

A water jacket spacer is inserted into a water jacket. The water jacket spacer comprises an expansion member, a plate-shaped holder to which the expansion member is fixed, and a leaf spring that abuts the inner wall of the water jacket. The leaf spring projects from a face on the holder on the side opposite of the expansion member. The holder curves to match the shape of the water jacket. The position of the water jacket spacer in the water jacket is maintained by the biasing force of the leaf spring.


Patent
Nichias Corporation | Date: 2017-03-08

A spacer (1) is injection molded by using an injection molding die having resin flow channels that are designed such that a plurality of gates (6) are arranged along the longitudinal direction at a position corresponding to the outer peripheral surface of a side wall part (4) in which a plurality of arc-like peripheral surface parts (2) are connected through a waist part (3). After opening the mold and ejecting the spacer, the spacer is cooled with a runner (7) being connected to the gate (6), and thereafter, the runner (7) is cut off. As a result, when producing a water jacket spacer that is assembled to the inside of the water jacket and controls the flow of cooling water by injection molding, while producing with a high productivity without being affected by design constraints caused by draft angle, deformation in the post-molding cooling step is prevented.


A vibration-isolation structure for suppressing vibration transmitted from a vibration body (200) to a shield (100), that is provided with a vibration body contact part (2) that contacts the vibration body (200) and has an insertion hole (21) through which a fastener (300) for fastening the shield (100) to the vibration body (200) is inserted, a peripheral part (4) that is located on the periphery of the vibration-isolation structure, a slit S that is arranged between the vibration body contact part (2) and the peripheral part (4) and is formed such that it surrounds the vibration body contact part (2) in one or two or more rows, and a bridge part (3) that bridges the vibration body contact part (2) and the peripheral part (4).


Patent
Nichias Corporation | Date: 2016-02-10

Provided is a shield in which a flexible member is interposed between two metal plates; still unfilled spaces that are not filled with the flexible member are secured, so that the shielding properties are improved by air layers. The shield 1A includes two metal plates 2, 3 disposed to face each other, and a plate-shaped flexible member 4 interposed between the two metal plates. Each of the two metal plates 2, 3 has a plurality of protrusion-depression structures. Gap-forming means is provided to form gaps of a width greater than the thickness of the flexible member 4 between the two metal plates 2, 3 when the flexible member 4 is interposed therebetween. Unfilled spaces (5) that are not filled with the flexible member 4 are provided between the two metal plates 2, 3.


Patent
Nichias Corporation | Date: 2016-06-15

A crosslinking agent includes a compound represented by the following formula (1). In the formula (1), R^(1), R^(2), and R^(3) are independently a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R^(1) are identical or different, a plurality of R^(2) are identical or different, a plurality of R^(3) are identical or different, provided that at least one of R^(1), R^(2), and R^(3) is a fluorine atom or a fluorine atom-containing group, m is an integer of from 2 to 6, l is an integer of from 0 to 2, and each hydrogen on the benzene ring(s) is optionally substituted with a substituent.


Patent
Toyota Jidosha Kabushiki Kaisha and Nichias Corporation | Date: 2016-03-30

A heat insulator fastening structure comprises: a heat insulator (1) which is configured so as to cover an exhaust manifold (2); and fasteners (3) which are configured so as to fasten the heat insulator (1) to an object to which the heat insulator (1) is to be fastened, the heat insulator (1) being fastened so as to be displaceable in a predetermined range. The heat insulator (1) has: a single first region (A1) which is configured so as to vibrate in the same phase; and a single second region (A2) which is different from the first region (A1) and which is configured so as to vibrate in the same phase. At least one of the fasteners (3) fastens the first region (A1) to the object to which the heat insulator (1) is to be fastened. At least another one of the fasteners (3) fastens the second region (A2) to the object to which the heat insulator (1) is to be fastened.


Patent
Nichias Corporation | Date: 2016-02-17

A method for producing a cross-linked fluoroelastomer including cross-linking a fluoroelastomer with a cross-linking agent in an inert gas atmosphere in the presence of an initiator.


Patent
Nichias Corporation | Date: 2016-06-08

A sheet including exfoliated clay minerals, having a density of 1.6 g/cm^(3) or less and a compression ratio of 20% or more.


Patent
Nichias Corporation | Date: 2016-06-24

Provided is a thermal insulation having both excellent thermal insulating performance and excellent strength, and a method of producing the same. A method of producing a thermal insulation according to the present invention includes curing (S2) a dry-pressed compact, including silica fine particles each having an average particle diameter of 50 nm or less and a reinforcement fiber, at a relative humidity of 70% or more.

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