39results about How to "Suppresses shape change" patented technology

By the present invention, during forming of a steel sheet having a tensile strength of 400 MPa or greater into a press-formed part comprising a flange part and other portions by press forming, by heating the steel sheet to a temperature range of 400-700°C and then press forming the heated steel sheet using crash forming, at which time the average temperature difference between the flange part and the other portions of the press-formed part immediately after forming is kept to within 100°C, shape changes such as springback can be suppressed, the dimensional precision of a panel can be enhanced, and the desired mechanical characteristics can easily be obtained in the press-formed part.

An occupant knee protection system for a vehicle (10) has an airbag (11), which is folded and stored in a part of a vehicle, inflate and deploy in front of the occupant's knees by gas supplied from an inflator (12), so as to protect the occupant's knees. The airbag (11) has in its inside a tether (11c) (gas flow dividing portion whose front and rear end portions are connected to front and rear walls (11a, 11b) of the airbag (11), both walls being arranged in a longitudinal direction of the vehicle, so as to appropriately regulate a longitudinal thickness (D) of the airbag (11) for dividing a gas flow from the inflator (12) in right and left directions of the vehicle.

A plasma display panel including a front substrate, a rear substrate, a display area, a non-display area including a dummy region, and a plurality of rib members is provided. The dummy region includes a first barrier rib region extending along a first direction and including portions of at least some of the plurality of barrier rib members, a second barrier rib region extending along a second direction and including portions of at least some of the plurality of barrier rib members, and at least one sector region. The sector region includes at least one sector barrier rib member extending along a direction other than the first direction and the second direction and connecting at least one portion of at least one of the barrier rib portions in the first barrier rib region to at least one of the barrier rib portions in the second barrier rib region.

A negative electrode for nonaqueous electrolyte secondary battery comprising a current collector with a concave and a convex formed at least on one surface thereof, and a column member having n (n≧2) stages of laminated columnar portions obliquely formed on the convex of the current collector, wherein a layer being less in expansion and contraction due to insertion and extraction of lithium ion is disposed in the column member.

A substrate unit (51) for power modules, wherein: a circuit layer (12) is configured of a plurality of small circuit layers (12S); a ceramic substrate layer (11) is configured of at least one sheet; and a metal layer (13) is configured of at least one sheet. Each small circuit layer (12S) has a multilayer structure that comprises a first aluminum layer (15) which is bonded to one surface of the ceramic substrate layer (11) and a first copper layer (16) which is bonded to the first aluminum layer (15) by solid-phase diffusion. The metal layer (13) is formed of the same material as the first aluminum layer (15). A heat dissipation plate (30) is formed of copper or a copper alloy, and the metal layer (13) and the heat dissipation plate (30) are bonded to each other by solid-phase diffusion. If t1 (mm) is the thickness of the first copper layer (16), A1 (mm<2>) is the bonded area of the first copper layer (16), sigmate1 (N/mm<2>) is the proof stress of the first copper layer (16), t2 is the thickness of the heat dissipation plate (30) at the position where the heat dissipation plate (30) is bonded to the metal layer, A2 (mm2) is the bonded area of the heat dissipation plate (30) at the above-described position and sigmate2 (N/mm<2>) is the proof stress of the heat dissipation plate (30) at the above-described position, the ratio (t1* A1*sigmate1)/(t2* A2*sigmate<2>) is from 0.80 to 1.20 (inclusive).

A side surface of an apex rubber is exposed annularly by injection molding the annular apex rubber and opening a forming mold while retaining the annular apex rubber in an unvulcanized state. Further, a side surface of a rubber pad is exposed annularly by injection molding the annular rubber pad and opening a forming mold while retaining the annular rubber pad in an unvulcanized state. Thereafter, an integrated compound rubber member is formed by overlapping a lower mold retaining the apex rubber and a lower mold retaining the rubber pad and laminating the side surface of the apex rubber to the side surface of the rubber pad, and an unvulcanized tire is formed by laminating the compound rubber member to the carcass ply.

A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode collector, on which a positive electrode active material layer containing a positive electrode active material as a complex oxide of Li and transition metals are formed, and a negative electrode having a negative collector, on which a negative electrode active material layer is formed. The non-aqueous electrolyte secondary battery is a gel or solid non-aqueous electrolyte secondary battery having a battery device in which a positive electrode and a negative electrode are laminated with an electrolyte layer therebetween in a film-state packaging member constructed by metal foil laminated films, and containing a lithium salt, a non-aqueous solvent, and a polymer material. The concentration in mass ratio of a free acid in the electrolyte layer is 60 ppm and less. Average particle diameter of the positive electrode active material lies in a range from 10 to 22 μm, the minimum particle diameter is 5 μm or larger, the maximum particle diameter is 50 μm or smaller, and specific surface of the positive electrode active material is 0.25 m²/g or smaller. Lithium carbonate (Li₂CO₃) contained in the positive electrode active material is 0.15 percent by weight and less. Moisture contained in the positive electrode active material is 300 ppm and less.

The objective of the present invention is to provide: a thermochromic film which achieves a good balance between durability and stability of haze; and a thermochromic composite body. A thermochromic film according to the present invention contains vanadium dioxide particles having thermochromic properties, and is characterized by having a vanadium dioxide containing-layer which contains a chelatecomplex together with the vanadium dioxide particles.

Disclosed is a variable resistance nonvolatile memory element which is capable of suppressing variations in the resistance. Specifically disclosed is a nonvolatile memory element which comprises: a silicon substrate (11); a lower electrode layer (102) that is formed on the silicon substrate (11); a variable resistance layer that is formed on the lower electrode layer (102); an upper electrode layer (104) that is formed on the variable resistance layer; a second interlayer insulating layer (19) that is formed so as to cover at least the lower electrode layer (102) and the lateral surface of the variable resistance layer; a stress relaxation region layer (105) for relaxing the stress on the upper electrode layer (104), said stress relaxation region layer (105) being formed from a material, which has less stress than the insulating layer that is used for the second interlayer insulating layer (19), so as to directly cover at least the upper surface and the lateral surface of the upper electrode layer (104); a second contact (16) that is formed so as to reach the upper electrode layer (104); and a wiring pattern (18) that is connected to the second contact (16).

Provided is a heavy duty pneumatic tire (2) capable of suppressing shape changes caused by travel and improving uneven wear resistance. The tire (2) has a nominal aspect ratio of 65% or less. The tire (2) has a tread (4) and a reinforcement layer (20). The reinforcement layer (20) has: a belt layer (38) including a plurality of belt cords (44) arranged in parallel; and a cap ply (40) including a cap cord (52) wound in a spiral shape. The belt layer (38) has a plurality of belt plies (42) arranged in the radial direction. The cap ply (40) has: a full cap ply (48) having both ends (48e) facing each other across an equatorial plane; and a pair of edge cap plies (50) located radially outward of an end portion (48e) of the full cap ply (48). In the axial direction, an end portion (48e) of the full cap ply (48) is positioned outside a shoulder circumferential groove (28s) formed in the tread (4).

An aim of the invention is to provide a golf club head with high dimension precision at a reticle edge and a comfortable ball hitting feeling, and a manufacturing method thereof. For obtaining the purpose, the golf club head is manufactured through the following steps: forming a first coating layer (6) with higher hardness partially on at least a club surface (2) of a club head substrate (5), then performing notching treatment for forming the retile (3), and then forming a second coating layer (7) which has smaller thickness and lower hardness. Preferably, surface cutting is performed for the club surface of the club head substrate (5) for obtaining a preset flatness according to the invention. Nickle coating layer, or chromium coating layer, etc. is better for the first plating layer (6), and copper coating layer is better for the second coating layer.

The invention provides a hair care device, which is capable of improving durability of a control mechanism. In the hair care device, the control mechanism (4) is formed by a first fastening body (10) and a second fastening body disposed on a main body housing (3H), the second fastening body (20) is formed by materials with strength higher than grab handle housing (5H), the second fastening body (20) can be relatively movably disposed on the grab handle housing (5H) relative to the first fastening body (10), and is fastened with the first fastening body (10) respectively at a use position and a folded position of the hair care device (1) to limit the grab handle housing (5H) to rotate relative to the main body housing (3H).

An optical microphone includes: an acousto-optic medium section having a pair of principal surfaces and at least one lateral surface provided therebetween; a restraint section which is in contact with the at least one lateral surface for preventing a shape change of the acousto-optic medium section; and a light emitting section for emitting a light wave so as to propagate through the acousto-optic medium section between the pair of principal surfaces. The pair of principal surfaces are in contact with an environmental fluid through which an acoustic wave to be detected is propagating and are capable of freely vibrating, and an optical path length variation of a light wave propagating through the acousto-optic medium section, which is caused by the acoustic wave that comes into the acousto-optic medium section from at least one of the pair of principal surfaces and propagates through the acousto-optic medium section, is detected.