Abstract: A bumper reinforcement attached to a front or a rear side of a vehicle frame as a strength member comprising: a bumper beam to be supported on the vehicle frame, and a reinforcement member attached to the bumper beam on a forward surface thereof which is upstream with respect to an impact exertion direction, wherein: the reinforcement member has a concave portion of a substantially C-shaped cross section projecting in a downstream direction reverse to the impact exertion direction, the bumper beam has a groove portion extending longitudinally of the reinforcement member on the forward surface to which the reinforcement member is attached, and the reinforcement member and the bumper beam are engaged by joining a bottom surface of the concave portion and a surface of the groove portion.

Abstract: In response to the recent various requests, the present invention provides a method for manufacturing a filler neck to facilitate jointing a mouthpiece and a feeding pipe which were manufactured separately into an integrated filler neck having an excellent hermeticity. The method for manufacturing a filler neck 1 comprises the following steps: jointing an inner face of the circumferential wall portion 16 of a feeding pipe and an outer face of the circumferential wall portion 12 of the mouthpiece, and integrating with the mouthpiece 2 and the feeding pipe 3, wherein the outer face of the mouthpiece and the inner face of the feeding pipe are in relation to be fitted in a press-fitted condition, a seam welding is executed to the welding area W provided in a range of the overlapped area S defined by the width of the circumferential wall portions.

Abstract: A shock absorber for a vehicle making use of plastic deformation. The absorber is mounted between a bumper and the frame of the vehicle to transform impact energy applied to the bumper into deformation energy. The absorber comprises a straight tube that can be plastically deformed. A straight tube is partially enlarged or partially reduced to form different diameter tube portions. These tube portions are connected by step formed between the edge of each one. Thus, a multi-diameter stepped tube is formed. The tubes located at the both ends of this multi-diameter stepped tube are connected to the bumper and the frame of the vehicle respectively.

Abstract: A method for producing a bumper reinforcement having a hollow and a substantially rectangular cross sectional shape formed by the steps of providing a straight tubular member and forming a curved bumper reinforcement, continuously; wherein angle portions of the straight tubular member having the radius of curvature established in profiling corner portions of an inner die having the radius established in larger than the radius of the corner portions of the outer die are bulged in a range of relief spaces formed between the corresponding corner portions of the inner die and the outer die to prevent generation of the wrinkles particularly on the angle portions of the straight tubular member while being curved.

Abstract: A bumper reinforcement comprises an outer reinforcement and an inner reinforcement wherein the outer reinforcement of an open section is formed by a front face, an upper face, and a lower face; and the inner reinforcement housed in the outer reinforcement is formed symmetrically from the center in vertical direction by a intermediate portion formed by edge portions of inner skirt plate portions confronting each other, the inner skirt plate portion, a top portion, an outer skirt plate portion, and an outer contact face portion. The outer reinforcement comprises a concave groove portion in the front face, and a pair of ribs in the upper/lower face. Accordingly, the bumper reinforcement of the invention has achieved high rigidity against the impact applied and easy manufacturing with high cost performance and capability of various designing of the vehicles.

Abstract: A shock absorber as being of a bumper supporting member and a shock absorber as being of a side member, which retain the sinking motion of a smaller-diameter tube portion into a larger-diameter tube portion even if an impact is applied at a larger angle obliquely of an axial direction, thereby to achieve the absorption of the impact energy by a plastic deformation. A plastically deformable straight tube is partially reduced or partially enlarged to form smaller-diameter tube portion and larger-diameter tube portion, which joins to each other through a step portion. The step portion is formed by joining a folded-back portion of the smaller-diameter tube portion and a folded-back portion of the larger-diameter tube portion, which have circular arc-shaped sections having arcuate angles more than 90 degrees.

Abstract: In order to set up selectively a suitable displacement-load characteristics to absorb an impact energy adapting to the difference of the impact modes, a resistive-portion-comprised shock absorber 100 comprising a smaller-diameter tube portion 102 and a larger-diameter tube portion 103 which are integrally formed by partially reducing or partially enlarging a straight tube that can be plastically deformable, a step portion formed continuously between edge of the each smaller-diameter tube portion and the larger-diameter tube portion by being folded the edge back to the each tube portions, wherein a frictional resistive portion is provided to the smaller-diameter tube portion slidingly inserted into the larger-diameter tube portion, and, a resistive-member-mounted shock absorber 200 comprising a smaller-diameter tube portion 204 and a larger-diameter tube portion 202 which are described above, a step portion 207 which is described above, wherein a frictional member is mounted in an interior of the larger-diamet

Abstract: A bumper reinforcement attached to a front or a rear side of a vehicle frame as a strength member comprising: a bumper beam to be supported on the vehicle frame, and a reinforcement member attached to the bumper beam on a forward surface thereof which is upstream with respect to an impact exertion direction, wherein: the reinforcement member has a concave portion of a substantially C-shaped cross section projecting in a downstream direction reverse to the impact exertion direction, the bumper beam has a groove portion extending longitudinally of the reinforcement member on the forward surface to which the reinforcement member is attached, and the reinforcement member and the bumper beam are engaged by joining a bottom surface of the concave portion and a surface of the groove portion.

Abstract: An automobile reinforcing member wherein a pair of pipes are formed relatively from an original sheet material with a joint surface in a middle portion of the original sheet in a width direction, the fold-back faces consist of the outer side faces of the pipes extending laterally from said joint surface, the outer wall faces extending from said outer side faces of the pipes, the inner side faces of the pipes extending from said outer wall faces, the inner wall faces extending from said fold-back faces to the joint surface, and the welding portions extending from said inner wall faces. These portions are formed into lateral pipes by bending the fold-back faces, folding boundary mark between the inner wall face and the welding portion into valley-shaped, and putting those welding portions onto the joint surface situated at interval between said pipes, and then welding both of welding portions and the joint surface together to form an integrated structure.

Abstract: A vehicle bumper assembly characterized by high connection strength with reliable impact absorption, wherein a support bracket is in the form of multi-step structure, a small tube portion of one end of the support bracket is provided with a bumper connection member connected to a bumper and a large tube portion of the other end of the support bracket is provided with a vehicle body connection member attachable to and detachable from a vehicle body member, the bumper connection member is installed to one end or one end portion of the bumper, a connection hole is provided on the bumper connection member for inserting the small tube portion, and the bumper and the support bracket is connected by inserting the small tube portion into the connection hole and by welding the side surface of the small tube portion at a cylindrical wall of the peripheral edge of the connection hole.

Abstract: In order to improve joint strength between a cap retainer and a conduit of a fuel feeding pipe for a vehicle having an alterable joint angle between the cap retainer and the conduit, the fuel feeding pipe for a vehicle is integrally formed by joining a cap retainer joint portion of the cap retainer and a conduit joint portion of the conduit, wherein the cap retainer joint portion has a band surface arc-shaped in cross section equivalent to a section of a sphere, the conduit joint portion has a band surface in cross section conforming in shape to the cap retainer joint portion, and the cap retainer joint portion is brought into surface contact with the conduit joint portion to join the two joint portions and join the cap retainer and the conduit.

Abstract: A vehicle bumper assembly characterized by high connection strength with reliable impact absorption, wherein a support bracket is in the form of multi-step structure, a small tube portion of one end of the support bracket is provided with a bumper connection member connected to a bumper and a large tube portion of the other end of the support bracket is provided with a vehicle body connection member attachable to and detachable from a vehicle body member, the bumper connection member is installed to one end or one end portion of the bumper, a connection hole is provided on the bumper connection member for inserting the small tube portion, and the bumper and the support bracket is connected by inserting the small tube portion into the connection hole and by welding the side surface of the small tube portion at a cylindrical wall of the peripheral edge of the connection hole.

Abstract: There are provided firstly a fuel cap which irrespective of its type has a structure that there is no transpiration of gasoline vapor until the cap is fully open and secondly particularly a bayonet-type fuel cap which has a structure that there is no eruption of fuel under a pressure difference between a internal pressure of the tank and atmospheric pressure. In each case the fuel cap consists of a closure 3 fitting into the opening of a filler neck 4 and a handle 2 integral with the closure 3, and an upper seal ring 10 and a lower seal ring 1 for sealing the filler neck 4 are each fitted individually to the closure 3 positionally apart from the other.

Abstract: An automobile door reinforcing member consists of a twin pipes exercising high strength and rigidity.

Abstract: A bumper reinforcing member obtained from a tubular article of a closed cross-section. The tubular article is continuously manufactured by folding a first side edge portion of an original metal sheet along a folded-back edge portion and along a folded-in edge portion in this order, bonding a contacting face portion that extends from an edge of the first side edge portion to the folded-back edge portion to an inside of a bumper front face, forming a half of a bumper cross-section by connecting the inside of the bumper front face and the inside of a bumper rear face with a reinforcing rib that extends from the edge of the first side edge portion to the folded-back edge portion, and forming the remaining half of a bumper cross-section by bonding a second side edge portion of the original sheet to a vicinity of the folded-in edge portion.

Abstract: A integrally formed synthetic resin lower sash for an automotive vehicle door structured so as to be disposed within a door panel and guide a window glass received within the door panel in a vertical direction. In order to reduce a frictional sound generated between a moving glass and the lower sash, the lower sash is constituted by an outer wing, an inner wing and a frame surrounding an edge portion of the window glass, a plurality of extending portions projecting toward the surface of the opposing window glasses and intermittently disposed to a direction of guiding the window glass are provided in the outer wing and the inner wing, and a projecting piece slidably in contact with each of inner and outer surfaces of the glass is extended in such a manner as to continue from the expanding portion, thereby forming a glass guide.

Abstract: A fuel delivery device for a fuel tank comprising a float chamber for sucking fuel in a normal state, a sub chamber for sucking a small quantity of fuel remaining within a tank and a communication chamber for communicating the float chamber and the sub chamber to each other in lower portions thereof En the fuel delivery device for a fuel tank, a sub float chamber is provided above the sub chamber, the sub float chamber has a gas discharge port communicating with-the fuel tank in an upper portion, a vent hole communicating with the sub chamber in a lower portion and a sub float valve within, and the sub float valve ascends and descends in accordance with a quantity of an excess fuel returned to the sub float chamber from the engine so as to open and close the vent hole.

Abstract: A check valve using a valve element (2) which is so constructed that the valve element comprises three members: a cover (4); an annular packing (5) and a pressing plate (6), the pressing plate (6) is provided with a snap fit claw (7), a flexible flange (12) pressed to the peripheral edge of a valve seat (11) when the valve element (2) is put in the valve closing state is formed on the outer periphery of the annular packing (5), a peripheral stepped part (13) to which the outer periphery of the pressing plate (6) is fitted is formed on the inner periphery thereof, the cover (4) is provided with a fitting hole (8) for the snap fit claw (7) and a peripheral wall (14) formed on the outer periphery thereof, to which the main body part of the annular packing (5) except the flange (12) is fitted, the annular packing (5) is fitted to the cover (4), the pressing plate (6) is fitted to the annular packing (5), and the snap fit claw (7) is fitted in the fitting hole (8), thereby clamping the annular packing (5) with the

Abstract: In a fuel interruption device for a fuel tank, a main valve is prevented from opening as a result of the action of an auxiliary valve during closure of the main valve; and more specifically, an auxiliary valve which is caused to move up and down by a float and a main valve which moves up and down in linkage with the up and down movement of the auxiliary valve are accommodated inside a casing which allows the inflow and outflow of liquid fuel and is provided at the end of a passage which connects the fuel tank and canister; a linking projection is provided on one of the valves, that is, either the auxiliary valve or the main valve, so that the main valve moves in linkage with the auxiliary valve in an action that is either advanced or retarded within a predetermined range, and a projection regulating groove into which the linking projection is inserted so that the projection can change its position within the range is formed in the other valve; and auxiliary valve seat and main valve seat open independently in

Abstract: A lower sash installed inside a door panel of, for instance, the door of an automobile so as to guide and hold window glass that is accommodated inside the door panel, the lower sash having a structure in which the sash has a channel shape in cross section comprising an outer-panel-side outer wing and an inner-panel-side inner wing formed as an integral part on either side of a frame plate, truss-form openings are formed in the frame plate, glass guides, which are elastic projections and respectively face the outer wing and inner wing, are arranged in an alternating manner so as to positionally correspond to the truss-form openings, and the wall thickness of the outer wing or inner wing is made thicker at a lower panel attachment end than the upper door sash end; and these elements are molded into an integral plastic unit.