Abstract: A core bar includes upper and lower half shells, each having a boss portion including a boss-edge coupling part for coupling the shells along the edges, a shaft fixing part placed substantially in the center of the boss portion and mounted to a steering shaft, and a weak part placed between the boss-edge coupling part and the shaft fixing part and wherein the shells face each other without being coupled; and a rim portion including a rim-edge coupling part for coupling the shells along the edges and a rim hollow part defined between the shells. A spoke portion is interposed between the boss and the rim portions, and includes a spoke-edge coupling part for coupling the shells along the edges and a spoke hollow part defined between the shells.

Abstract: A pouch-shaped air bag (12) is spread out in a circle. Then, the portion of the air bag (12) located outside the inflator (16) is folded into a wave-like pattern from four directions so that four side portions (61) are formed along the inflator (16). Next, each one of the four excess portions (62), which are continuously formed between each two adjacent side portions (61) and protrude outward, is placed along the outer face of each side portion (61). Thus, the air bag (12) can be easily folded compactly that can be smoothly unfolded.

Abstract: An airbag is provided which is folded with a duct part and an expansion part, the duct part having an inlet for allowing fluid communication throughout the duct part, the expansion part communicating with the duct part, wherein the airbag comprises an aggregative part obtained by aggregating a downward portion of the airbag, and a plurality of arms obtained by folding an upward portion of the airbag and being in fluid communication along the length direction of the airbag. The arms cover the aggregative part on the back thereof with respect to the expansion direction of the airbag. Thus, even having greater length from one end to another end, the airbag can deploy smoothly with less time difference between the front and the back in the length direction.

Abstract: A core bar for a steering wheel includes an upper shell and a lower shell coupled to the upper shell. Each half shell includes a boss core-bar portion coupled to a steering shaft, a rim core-bar portion, and a spoke core-bar portion interposed between the two. An insertion is received in a hollow defined by the upper and lower shells.

Abstract: An air bag body (1) is expanded by charging an air therein after being expanded in a flat surface shape. Next, by gently gripping the air bag body (1) by upper and lower blades (26, 25) radially arranged in a radial direction of the air bag body (1), a height in a radial direction of the air bag body (1) is linearly restricted along the upper and lower blades (26, 25). Next, a plurality of movable blocks (24) are forward moved toward a center of the air bag body (1), and upper and lower panels (12, 11) of the air bag body (1) are accumulated. At this time, the upper and lower panels (12, 11) of the air bag body (1) are folded in a state of being apart from each other so as to form a wave shape. Next, the air bag body (1) is rotated, a portion left in a tab shape is wound around a periphery, and a center protruding portion of the air bag body (1) is pressed from an upper side, whereby a front surface deploying portion (35) is formed.

Abstract: A deflashing apparatus includes a positioning device which positions a blade at a predetermined position of a molded article, a moving unit mounted to the positioning device for moving the blade along a parting line of the molded article, a pressing device mounted to the moving unit for guiding the moving unit linearly toward and away from the molded article and biasing the moving unit toward the molded article to bring the blade into contact with the molded article at a predetermined force, and a supporting device which supports and moves the molded article with respect to the blade.

Abstract: An air bag body (1) is expanded by charging air therein after being expanded in a flat surface shape. Next, by gently gripping the air bag body (1) by upper and lower blades (26, 25) radially arranged in a radial direction of the air bag body (1), height in a radial direction of the air bag body (1) is linearly restricted along the upper and lower blades (26, 25). Next, a plurality of movable blocks (24) are forward moved toward a center of the air bag body (1), and upper and lower panels (12, 11) of the air bag body (1) are accumulated. At this time, the upper and lower panels (12, 11) of the air bag body (1) are folded in a state of being apart from each other so as to form a wave shape. Next, the air bag body (1) is rotated, a portion left in a tab shape is wound around a periphery, and a center protruding portion of the air bag body (1) is pressed from an upper side, whereby a front surface deploying portion (35) is formed.

Abstract: A pouch-shaped air bag (12) is spread out in a circle. Then, the portion of the air bag (12) located outside the inflator (16) is folded into a wave-like pattern from four directions so that four side portions (61) are formed along the inflator (16). Next, each one of the four excess portions (62), which are continuously formed between each two adjacent side portions (61) and protrude outward, is placed along the outer face of each side portion (61). Thus, the air bag (12) can be easily folded compactly that can be smoothly unfolded.

Abstract: A bag includes a first base cloth having a first edge portion, a second base cloth having a second edge portion, and an inner space defined by the first and second base cloths. A sewing thread is for joining the first edge portion and the second edge portion. A third base cloth is joined with the first edge portion and the second edge portion by the sewing thread. The third base cloth has an inner edge portion extending to the inner space for covering the sewing thread.

Abstract: An air bag device mounted on a steering wheel comprises a holding unit connected to a boss portion of the steering wheel. An inflater is held by the holding unit. The inflater includes a gas ejection portion. First and second fabrics have peripheral portions sewed together to constitute a bag structure. A gas inlet opening is formed in the first fabric. The gas inlet opening has the gas ejection portion of the inflater passed therethrough, so that the gas inlet opening is exposed to the interior of the bag structure. A third fabric is smaller in size than the first and second fabrics. The third fabric is installed in the bag structure in a manner to cover over the gas ejection portion of the inflater. A plurality of sewed points are provided by which the first and third fabrics are sewed together. A plurality of gas flow passages are provided between the first and third fabrics. Each gas flow passage is defined between neighboring two of the sewed points.

Abstract: An airbag includes first and second base cloths and a middle base cloth arranged therebetween for defining first and second compartments in the airbag. Gas communicating ports are arranged in the vicinity of the outer periphery of the middle base cloth to ensure gas communication between the two compartments. Four ring-shaped fixing portions are arranged around a gas introduction port to connect the second and middle base cloths, one of which has an exhaust port formed inside.

Abstract: A retainer case (4) has a lower portion (4a) defining a gas diffusion chamber (5), and an upper portion (4c) cooperating with an intermediate portion (4b) to define an accommodation chamber (6), a diffuser member (15) separates the gas diffusion chamber (5) from the air bag accommodation chamber (6), with gas communication allowed therebetween through a gas inlet (16) of the diffuser member (15), an infaltor (11) is disposed in the gas diffusion chamber (5), an airbag (8) is accommodated in the accommodation chamber (6), having a retained part (8b) in a space (S1) between the intermediate portion (4b) and the diffuser member (15), and an inward projection (18) of the intermediate portion (4b) and an inward projection (17) of the diffuser member (15) constitute a gas invasion restricting structure (17+18) for restricting a gas invasion from the gas diffusion chamber (5) into the space (S1).

Abstract: An airbag apparatus for a vehicle has a case with an opening that is blocked by a cover that can be burst open, an airbag folded up within the case, and an inflator that ejects gas via a gas guide port into the airbag. Gas ejected from the inflator inflates the airbag inside the case, so as to burst the cover, enabling the airbag to deploy within the vehicle passenger compartment. The airbag branches at the gas guide port into a small-capacity sub-expansion part and a large-capacity main expansion part, the sub-expansion part being disposed on a front window panel side positioned at the front of the passenger compartment, and the main expansion part being positioned toward a passenger in the passenger compartment.

Abstract: The invention relates to a polyolefin-based resin composition that is in an amount of 100 wt % in total. This composition includes (a) 60-66 wt % of a crystalline propylene-ethylene block copolymer, (b) 12-20 wt % of an ethylene-propylene copolymer rubber, and (c) 18-25 wt % of an inorganic filler. The block copolymer contains a first segment of a homopolymer of propylene and a second segment of a copolymer of propylene and ethylene, and has an isotactic pentad tacticity of at least 0.96. The ratio of the weight average molecular weight of the block copolymer to the number average molecular weight thereof is not greater than 6. The copolymer rubber contains therein 50-60 wt % of ethylene, and has a Mooney viscosity of from 45 to 55 at 125° C. The inorganic filler is one selected from the group consisting of a talc, a first combination of the talc and a glass fiber, and a second combination of the talc and a whisker. The talc has an average particle diameter of not greater than 2 &mgr;m.

Abstract: For improving horn switch operability, an air bag apparatus 4 supports the side wall 26b of the cover body 26 and is movable back and forth on the outer periphery of the surrounding wall 24 of the base plate 24. Hook 24h protrudes from the surrounding wall 24b and is locked onto lock receiving portion 26h of the side wall 26b, thereby regulating the moving range of the cover body 26. Bracket 35 is mounted on the under surface of the covering portion 26a and is positioned at each of the spokes 7. A movable first contact 36e, 136e is mounted on or from the bracket 35. A fixed contact support portion 31 is provided on the outer peripheral surface of the side wall 24b of the base plate 24 to protrude therefrom or support 131 in the shape of a pillar is provided integrally to protrude from the core metal 7a of the spoke 7. A fixed second contact 31d, 131d that is opposed to the movable contact 36e, 136e is provided to oppose the movable contact 36e, 136e.

Abstract: A heater for a steering wheel includes a heater main body arranged on a rim of the steering wheel and formed like a net. The heater main body comprises a plurality of heater wires for generating heat upon energization and side edges arranged along longitudinal edges of the heater main body and fixed at an inner periphery of the rim.

Abstract: An air bag body (1) is expanded by charging an air therein after being expanded in a flat surface shape. Next, by gently gripping the air bag body (1) by upper and lower blades (26, 25) radially arranged in a radial direction of the air bag body (1), a height in a radial direction of the air bag body (1) is linearly restricted along the upper and lower blades (26, 25). Next, a plurality of movable blocks (24) are forward moved toward a center of the air bag body (1), and upper and lower panels (12, 11) of the air bag body (1) are accumulated. At this time, the upper and lower panels (12, 11) of the air bag body (1) are folded in a state of being apart from each other so as to form a wave shape. Next, the air bag body (1) is rotated, a portion left in a tab shape is wound around a periphery, and a center protruding portion of the air bag body (1) is pressed from an upper side, whereby a front surface deploying portion (35) is formed.

Abstract: A steering wheel which has a core, a cover covering at least a part of the core, a mount member mounted on the cover and a finisher mounted on the mount member. The mount member is fixed to the cover, and the finisher is fixed to the cover through the mount member. The finisher is engaged with the mount member. The core, the cover, the mount member and the finisher in combination form a grip of the steering wheel. The cover is lower in hardness than the core. The mount member is higher in hardness than the cover. The mount member is formed through an insert molding method.

Abstract: A bag-like airbag is folded into a substantially T-shape having a first developing portion which is continuous with an opening from which gas flows in and second developing portions extending fore-and-aft direction from an upper end of the first developing portion. Each of the second developing portions is folded into a bellows toward a prescribed point, thereby forming an aggregate. The aggregate is rotated, the first developing portion is wound around the aggregate, and the folded airbag is accommodated in an airbag accommodation portion of a retainer.

Abstract: An arrangement includes a fixing device for a steering wheel that is mounted to a boss of the steering wheel to press the boss in a first direction of engaging the steering wheel with a steering shaft and is engaged with an annular groove of the steering shaft. A pressing device is mounted to the boss to press the steering shaft in a second direction opposite to the first direction so as to release the steering wheel from the steering shaft.