Abstract: An air duct of this disclosure includes: a tubular duct body formed from a non-air-permeable material; and a tubular opening end member formed from an air-permeable material. The opening end member is integrated with an end portion of the duct body so as to extend a duct wall of the duct body. D representing a diameter of the opening end member and L representing a length thereof satisfy a relationship 0.1D?L?1.5D. An air permeability of the air-permeable material is in a range of 0.3 to 100 sec/300 cc.

Abstract: Protective coverings are disclosed that have a scrim made up of warp and weft members that define a plurality of interstices coated on only a first major surface thereof by a multi-layer coating with a first layer of the multi-layer coating juxtaposed to the first major surface, and penetrating into the interstices of the scrim to co-define, with the warp and weft members, an opposing second major surface of the scrim. The first layer of the multi-layer coating has a melting point below 100° C. and comprises a copolymer of ethylene, and provides the co-defined opposing second major surface of the scrim with a coefficient of friction of at least 0.5 when tested with dry leather and at least 0.7 when tested with dry rubber.

Abstract: A connector member according to this disclosure includes: a hollow pipe-shaped portion molded by injection molding of a synthetic resin; two ring-shaped seal grooves disposed at an outer peripheral surface of the pipe-shaped portion; and a ring-shaped gate mark formed at a region close to a pipe end with respect to the seal groove, the ring-shaped gate mark being formed at an inner peripheral surface side of the pipe-shaped portion.

Abstract: Disclosed is a tape including a substrate having an adhesive layer applied thereto and an edge coating. The substrate and the adhesive together provide at least one masking edge where the edge coating is applied. The edge coating includes a flocculating agent. The edge coating provides the tape with enhanced masking ability.

Abstract: The invention provides an aqueous solution capable of selectively protecting a nitrogen-containing silicon compound from corrosion by a treating solution for etching, cleaning or the like, etching oxygen-containing, carbon-containing silicon in particular, and making a large etch rate difference between a nitrogen-containing silicon compound and an oxygen-containing silicon compound, and a process for producing electronic parts as well. The invention is embodied by a treating solution for electronic parts that is an aqueous solution containing one or two or more of anionic surface active agents represented by the following formulae (1), (2) and (3), and a process for producing an electronic part. wherein R1, R2, and R3 stands for hydrogen or an alkyl or alkylene group having 1 to 4 carbon atoms, and X1 stands for a functional group capable of becoming an anionic ion.

Abstract: A hose assembly includes a hose and a joint member integrated with the hose. The joint member includes an inner unit to be arranged on an inside of the hose. The hose includes a hose main body and a lip. The hose main body includes a groove portion and a protrusion portion formed in a spiral shape on an inner surface thereof. The lip includes a first end portion and a second end portion aligned in an axial direction of the hose and spirally provided to cover the groove portion. At least one of the first end portion and the second end portion is a fixed end integrated with the protrusion portion. The hose further includes a first region and a second region. A portion of the lip is positioned within the first region, and another portion of the lip is positioned within the second region.

Abstract: A connector member according to this disclosure includes: a hollow pipe-shaped portion molded by injection molding of a synthetic resin; two ring-shaped seal grooves disposed at an outer peripheral surface of the pipe-shaped portion; and a ring-shaped gate mark formed at a region close to a pipe end with respect to the seal groove, the ring-shaped gate mark being formed at an inner peripheral surface side of the pipe-shaped portion.

Abstract: A member for use in undersea applications comprising a plurality of conduits assembled into a bundle; the bundle being wrapped with a pressure-sensitive tape comprising a backing, a layer of corrosion-resistant filaments on one surface of the backing, and pressure-sensitive adhesive layer that coats the filaments and binds them to the backing

Abstract: Disclosed is a tape including a substrate having an adhesive layer applied thereto and an edge coating. The substrate and the adhesive together provide at least one masking edge where the edge coating is applied. The edge coating includes a flocculating agent. The edge coating provides the tape with enhanced masking ability.

Abstract: A device for testing adhesive tape including a sample holder located in a first plane and a movable platen having a major surface located in a plane perpendicular to the plane in which the sample holder is located. The platen and the sample holder each have an edge adjacent to the edge of the other, where the platen and the sample holder are moveable with respect to each other such that the movement of the platen with respect to the sample holder separates the adjacent edges and thereby applies a load to a length of tape that is secured to the surface of a sample in the holder and secured to the surface of the platen during testing.

Abstract: Disclosed herein are methods for a simple process to make 3-aminoorgano functional silanes and siloxanes, free from isomers, by the use of commonly available materials. One embodiment of such a method comprises reacting aminoorgano functional silanes with hexamethyldisilazane in the presence of an acidic catalyst to produce a cyclic gamma-functional aminoorganic silane and beta isomers; separating the cyclic gamma-functional aminoorganic silane and the beta isomers; and converting the separated cyclic gamma-functional aminoorganic silane to pure gamma-aminoalkylsilane or pure aminoorganic siloxane. Also disclosed herein are cyclic derivatives of gamma-functional aminoorganic silanes.

Abstract: A hose assembly includes a hose and a joint member integrated with the hose. The joint member includes an inner unit to be arranged on an inside of the hose. The hose includes a hose main body and a lip. The hose main body includes a groove portion and a protrusion portion formed in a spiral shape on an inner surface thereof. The lip includes a first end portion and a second end portion aligned in an axial direction of the hose and spirally provided to cover the groove portion. At least one of the first end portion and the second end portion is a fixed end integrated with the protrusion portion. The hose further includes a first region and a second region. A portion of the lip is positioned within the first region, and another portion of the lip is positioned within the second region.

Abstract: An overmolded article and process for camouflaging or layering the overmolded article, e.g. hunting equipment, etc., is described. The camouflaged or layered areas run continuously from outside to beneath the overmolded areas on the article so there are no lines of edges where the camouflaged or layered areas end and the overmolding areas begin.

Abstract: A duct structure, includes: a vessel forming therein a chamber, the vessel including: an inlet port, an outlet port, wherein the vessel is configured such that a fluid flows into the chamber through the inlet port and flows out of the chamber through the outlet port, and a swirling flow suppressing member disposed in a position inside the chamber adjacent to the outlet port, wherein the swirling flow suppressing member is configured to suppress a swirling flow from occurring to or adjacent to the outlet port.

Abstract: The invention relates to a high dielectric anisotropy liquid crystal compound which is a pyridyl derivative with substituents of electrons push-pull effect. Furthermore, the high dielectric anisotropy liquid crystal compounds are colorless and have high thermal and photo stability as well as high compatibility in a liquid crystal host. A liquid crystal composition containing the high dielectric anisotropy liquid crystal compound can reduce threshold voltage of cholesteric reflective displays, thus saving power and extending lifetime of driver ICs.

Abstract: The invention has for its object the provision of a cleaner capable of removing particles and metal impurities present on the surface of a wafer without corrosion of wirings, gates or the like yet at normal temperature in a short period of time and with a one-pack type solution. To accomplish the above object, the invention provides a cleaner that is an aqueous solution containing phosphoric acid, hydrofluoric acid, and ammonia and/or amine, and having a pH ranging from 2 to 12, wherein the aqueous solution comprises 0.5 to 25 mass % of phosphoric acid, 0.1 to 10 mass % of ammonia and/or amine, and 5×10?3 to 5.0 mass % of hydrofluoric acid.

Abstract: A fuel cell separator unit having a crosslinked rubber layer is fabricated by coating a rubber-containing coating agent on the periphery of the surface of a separator to form a thin, unvulcanized rubber layer, and then vulcanizing or crosslinking the thin rubber layer. A tightly sealed fuel cell is constituted by providing both sides of the main body of the fuel cell with separator units fabricated in the manner described above. When a fuel cell separator fabricated through a crosslinking by radioactive ray irradiation, the performance of the fuel cell is not hindered by the ingredient(s) of a rubber packing. The present invention provides a fuel cell sealing structure which ensures a perfect sealing. According to the present invention, a step of attaching a thin rubber packing is no longer necessary.

Abstract: The present invention relates to a new type of polyolefin based hot-melt adhesive and methods for their production. More particularly, it relates to a new type of hot-melt adhesive comprising propylene co-polymers and possessing a favorable balance of cohesive strength, adhesion properties, and processibility, which render them especially well-suited for some hot-melt adhesive applications, for example, as elastic attachment adhesives.

Abstract: Compounds that are useful in compositions for flat panel displays, for example, are provided. The compounds provided are polar, and are useful in low threshold voltage mixtures. The compounds provided have the general structure: CpCOCH2[A]nZ1[B]mZ2PhX1X2Y, where CpCOCH2 is the structure: A and B are independently in each instance selected from the group consisting of 1,4-cyclohexane, 1,4-phenyl, 1,3-dioxan-5,2-diyl; pyridine-5,2-diyl; and pyrimidin-5,2-diyl; n and m are independently in each instance 0, 1 or 2; Z1 and Z2 are independently a single bond, —(CH2)2—, CF2O, OCF2, CH2O, OCH2, —C?C—, COO, OOC; and Y is selected from the group consisting of: F, Cl, CN, OCH2F, CHF2, OCF3, and CF3.

Abstract: A disk-shape resin molded article such as a gear comprises a rim, a boss, a web having a disk configuration for connecting the rim and the boss, and gear teeth formed on the rim. The molded article is produced by an injection-compression molding process which comprises injecting a molten resin into a cavity of a metal mold, and pressing a web site and at least one site selected from the group consisting of a boss site and a rim site in a thickness direction. The cavity may have a capacity larger than the solidified products by contraction amount of the injected molten resin.