摘要:
An exemplary piezoelectric vibrating device has a lid plate, a chip plate including a tuning-fork type vibrating piece surrounded by an outer frame, and a package base arranged where the chip plate is sandwiched between the lid plate and package base, and the three layers are bonded together. The tuning-fork type piezoelectric vibrating piece is connected to the outer frame by supporting arms. A base-movement buffer having a predetermined height in the X-direction extends from the inner edge surface of the outer frame toward a side edge of the base. The base-movement buffer has a height in the X-direction that is proportional to the length from the base-movement buffer to a point at which the tuning-fork type piezoelectric vibrating piece is coupled to the outer frame.
摘要:
A damper mechanism (4) includes a first flywheel (2), an intermediate rotating body (44) arranged to be rotatable with respect to the first flywheel (2), a second flywheel (3) arranged to be rotatable with respect to the intermediate rotating body (44), a first damper (8) having a plurality of first coil springs (41) elastically coupling the first flywheel (2) and the intermediate rotating body (44) in a rotation direction, and a second damper (9) elastically coupling the intermediate rotating body (44) and the second flywheel (3) in the rotation direction and that begins operating at a torque that is lower than the minimum operating torque of the first damper (8). The first coil springs (41) are accommodated between the first flywheel (2) and the second flywheel (3) in a state of having been compressed in the rotation direction.
摘要:
A resin composition having excellent moldability and a sufficiently high surface hardness, which is excellent in preventing oil bleed-out problems, is provided.The present invention provides a resin composition comprising 100 parts by weight of an ethylene/1-butene random copolymer (a), 10 to 500 parts by weight of at least one styrene block copolymer (b), 10 to 140 parts by weight of an oil (c) relative to 100 parts by weight of the total amount of (a) and (b), and 0 to 500 parts by weight of a polypropylene resin (d) relative to 100 parts by weight of the total amount of (a) and (b), and a molded body made from the resin composition.
摘要:
A damper mechanism 4 has a clutch plate 21 and a retaining plate 22 disposed aligned in the axial direction, a hub flange 6 disposed relatively rotatably in the axial direction between the plates 21 and 22, and a second coil spring 8 for elastically linking the plates 21 and 22 to the hub flange 6 in the rotational direction. The plates 21 and 22 have a pair of first main body components 28, and a plurality of linking components 31 that are disposed in the rotational direction between first protrusions 49 and second protrusions 57 and that link the pair of first main body components 28. The plurality of linking components 31 is disposed such that adjacent pitches are different.
摘要:
In a plasma CVD apparatus, unnecessary discharge such as arc discharge is prevented, the amount of particles due to peeling of films attached to a reaction chamber is reduced, and the percentage of a time contributing to production in hours of operation of the apparatus is increased while enlargement of the apparatus and easy workability are maintained. The plasma CVD apparatus is configured such that in a conductive reaction chamber 104 with a power source 113, a vacuum exhausting means 118, and a reaction gas introduction pipe 114, plasma 115 is generated in a space surrounded by an electrode 111, a substrate holder 112, and an insulator 120.
摘要:
An object of the present invention is to provide a novel ethylene-α-olefin copolymer excellent in crosslinking properties; a foamed molded article having a low specific gravity and a low compression set (CS) and a composition capable of producing the foamed molded article, footwear parts composed of a foamed molded article; an ethylenic copolymer composition excellent in balance between weather resistance and mechanical strength, and an electric wire coating material and an electric wire sheath using the ethylenic copolymer composition; and a thermoplastic elastomer capable of producing a molded article excellent in balance between mechanical strength and toughness. The ethylenic copolymer (A) of the present invention is a copolymer composed of only ethylene and an α-olefin having 3 to 20 carbon atoms, and is characterized in that vinyl-group content (a) per 1000 carbon atoms as measured by infrared absorption spectroscopy, MFR10/MFR2.16 (b), and the specific gravity (c) are within a specific range.
摘要:
A double mass flywheel has an inertia member, a flexible plate, a second flywheel, an elastic member, and a friction generation mechanism. The flexible plate is deformable in a bending direction and connects the inertia member to a crankshaft. The second flywheel is formed with a clutch friction surface. The elastic member elastically connects the second flywheel to the crankshaft in the rotational direction. The friction generation mechanism is located functionally in parallel with the elastic member in the rotational direction. The friction generation mechanism is held by the flexible plate.
摘要:
[Problem] A resin composition having excellent moldability and a sufficiently high surface hardness, which is excellent in preventing oil bleed-out problems, is provided.[Object] The present invention provides a resin composition comprising 100 parts by weight of an ethylene/1-butene random copolymer (a), 10 to 500 parts by weight of at least one styrene block copolymer (b), 10 to 140 parts by weight of an oil (c) relative to 100 parts by weight of the total amount of (a) and (b), and 0 to 500 parts by weight of a polypropylene resin (d) relative to 100 parts by weight of the total amount of (a) and (b), and a molded body made from the resin composition.
摘要:
In a brake disc rotor 1, at least a road wheel mounting plane 6 is covered with a rust preventive coating 8 of rust preventive paint. The rust preventive paint is water-borne acrylic-denatured epoxy resin paint containing aluminum zinc phosphomolybdate as a rust preventive pigment, and is applied in such a manner that the coating 8 attains a thickness t of 1 to 20 μm, preferably 5 to 15 μm.
摘要:
A damper mechanism 6 is provided to transmit torque while absorbing and damping torsional vibrations. A small coil spring 45 achieves characteristics of a low rigidity in a small torsion angle region of the torsion characteristics when compressed by rotary members. A coil spring 33 achieves characteristics of a high rigidity in a large torsion angle region of the torsion characteristics when compressed by the rotary members rotating relatively to each other. A frictional resistance generating mechanism 7 generates a frictional resistance while each spring is being compressed. Owing to a rotating-direction space 79, the frictional resistance generating mechanism 7 does not operate in the second stage of the torsion characteristics and also does not in the first stage while a torsion angle is in a predetermined range.