Abstract: A method for producing a ball joint having an outer housing with an outer housing stud opening, an inner housing arranged inside the outer housing and provided with an inner housing stud opening, and a ball stud having a joint ball is moveably fitted in the inner housing and which extends out through the inner housing stud opening. The method includes inserting and positioning the stud with its joint ball in the outer housing such that, between the outer housing and the stud, a free space surrounding the joint ball and/or stud remains and the stud extends out through the outer housing stud opening. After which the free space is filled with a plastic material which enclosed the joint ball and then cures to form the inner housing. A gap is formed between the outer and inner housings during curing and closed after curing by compressing the outer housing.

Abstract: A part (10) welded in a rotationally symmetrical manner and comprising two parts (12, 14), which are connected by a rotationally symmetrical weld (16), wherein a main loading area (22) occurs in the vicinity of the weld (16), and only the weld (16) and the surroundings (22) thereof are strengthened by case hardening in the extreme fiber in such a way that case strengthening is present there, and a method for producing a part (10) welded in a rotationally symmetrical manner and comprising two parts (12, 14) by welding a rotationally symmetrical weld (16) between the two parts (12, 14), wherein after the parts (12, 14) are welded, the weld (16) and the surroundings (22) thereof are case hardened and the hardened zone (16, 22) is quenched immediately thereafter.

Abstract: Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member.

Abstract: A ball joint assembly for a vehicle includes a ball stud having a ball on a shaft, a pair of bearing members roll-contacted with the ball of the ball stud, a seat member supporting an exterior circumference of the bearing members, and an outer case enclosing the seat member. According to the ball joint assembly for a vehicle, the outer case and the bearing members are separately provided, and the seat member is formed of a molding portion insert-molded between the outer case and the bearing members.

Abstract: A process for producing a bearing assembly includes positioning a first sleeve element in an injection mould, the injection mould having a cylindrical recess with a diameter for receiving the first sleeve element and the outside diameter of the first sleeve element being lesser than the diameter of the recess. A second sleeve element is positioned concentrically within the first sleeve element in the injection mould to define an annular chamber and elastomeric material in a molten state is injected under pressure into the annular chamber between the sleeve elements such that the outside diameter of the first sleeve element is expanded. The elastomeric material is allowed to solidify in the annular chamber between the two sleeve elements and the assembly of sleeves and elastomeric material are removed as a unit from the injection mould.

Abstract: Provided are a spherical bearing in which a ball portion (10) of an inside member (1) can be sealed inside an outside member (2) without employment of casting, and the outside member (2) and the inside member (1) are coupled to each other with high strength, and which can be downsized, and a manufacturing method for the same. The spherical bearing includes: an inside member (1) having a metal ball portion (10); a resin liner (3) covering the ball portion (10) of the inside member (1) and held in sliding contact with the ball portion (10); and an outside member (2) molded outside the resin liner (3) by a forging process and held in close contact with an entire of an outer peripheral surface of the resin liner (3) without being brought into contact with the inside member (1), for undetachably enclosing and holding the resin liner (3).

Abstract: Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member.

Abstract: A ball joint assembly for a vehicle includes a ball stud having a ball on a shaft, a pair of bearing members roll-contacted with the ball of the ball stud, a seat member supporting an exterior circumference of the bearing members, and an outer case enclosing the seat member. According to the ball joint assembly for a vehicle, the outer case and the bearing members are separately provided, and the seat member is formed of a molding portion insert-molded between the outer case and the bearing members.

Abstract: A method is provided for manufacturing a bearing support, particularly for a fan casing. The method includes the step of placing a bearing assembly in correspondence to a matrix die of an injection mold. The method further includes the step of abutting a punch of the injection mold on the bearing assembly to coaxially align and axially clamp the bearing assembly. The method further includes the step of injecting a plastic material into the mold to form an assembly sheath over-injected on outer surfaces of the bearing assembly.

Abstract: Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member.

Abstract: A fluid dynamic bearing device is mainly composed of a housing, a bearing sleeve, and a rotary member. The housing is formed by a side portion formed through injection molding of a resin material, and a bottom member fixed to a fixing portion provided in the inner periphery at one axial end of the side portion and adapted to close an opening at one axial end of the side portion. The fixing portion is a molding surface formed through solidification, in conformity with the inner surface of the mold, of the resin injected by the injection molding.

Abstract: A method of manufacturing a prosthetic socket having an access port that employs a housing with a cylindrical extension. The method includes the step of molding a shell over a socket model and a mold dummy to form an intermediate port. The method additionally includes the step of trimming the intermediate port along a trim line passing through a cavity defined by the mold dummy to create a circular opening in the shell. The mold dummy has a first diameter generally conforming to a diameter of the cylindrical extension of the housing. The method further includes the steps of passing the cylindrical extension through the opening and securing the access port to the shell.

Abstract: This ball joint assembly comprises an external body made of a plastic matrix composite material, in which there is fitted an internal centrepiece with the interposition of a metal rigid hollow insert. This insert delimits, on the one hand, an interior surface collaborating in articulated contact with the exterior surface of the centrepiece and, on the other hand, an exterior surface fixedly attached to the external body by being covered thereby in order to form an interface via which stresses can be transmitted between this insert and this external body. In order to enhance the strength of the aforementioned interface, the exterior surface of the insert is designed to be substantially in the shape of a truncated sphere and is advantageously provided with at least one peripheral groove.

Abstract: The invention relates to a ball-and-socket joint which is intended especially for vehicle chassis. The inventive ball-and-socket joint comprises a joint bolt (1) which is provided with a ball joint (1.1), and a plastic joint housing (2) into which a bearing shell (3) is introduced in order to mount the ball joint (1.1) in such a way that it can turn and so that it can tilt within certain limits. The aim of the invention is to ensure that the joint can resist considerable static and dynamic loads in the direction of the joint axis (L) without increasing the cost and to enable the ball joint to be used as a radial joint and as an axial joint. To this end, a metal ring (4) is injected into the joint housing (2). The bearing shell (3) is placed in the joint housing (2) with a positive fit using the end section (4.3) of said ring, which is radially bent inwards and which is located in the area of the opening of the joint housing (2).

Abstract: Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, and heating the resin liner covering the ball portion through the ball portion of the inside member.

Abstract: A method of manufacturing a prosthetic socket having an access port that employs a housing with a cylindrical extension. The method includes the step of molding a shell over a socket model and a mold dummy to form an intermediate port. The method additionally includes the step of trimming the intermediate port along a trim line passing through a cavity defined by the mold dummy to create a circular opening in the shell. The mold dummy has a first diameter generally conforming to a diameter of the cylindrical extension of the housing. The method further includes the steps of passing the cylindrical extension through the opening and securing the access port to the shell.

Abstract: A crankshaft supporter having a bearing holder molded in aluminum alloy and having a bearing for supporting a crankshaft. A preform member is cast inside of the aluminum alloy. A screw hole having one opened end is formed in an outer surface of the bearing holder. A concave recess section is formed in the preform member to accommodate a bottom of the screw hole. An introduction passage is provided in the recess section to introduce molten metal therein during casting to prevent blowholes.

Abstract: There are provided a spherical bearing and a method for manufacturing the same, in which both of a ball bearing section and a ball section made of metal can make light and smooth swinging and rotary motions for a long period of time without biased wear and seize-up of those members even if the solid bodies of them can contact with each other due to a discontinuous oil film under a heavy load. A resin liner that contacts the ball section of the inner member in a sliding relationship is embedded in the ball bearing section, and a resin sliding contact surface provided by the resin liner and the metal sliding surface are adjacent to each other without any gap to form a sliding contact surface at the bearing section.

Abstract: A method of manufacturing sliding bearings of the type in which a sliding guide surface is formed by using a resin liner, including fixing a thermosetting resin, which constitutes the resin liner, on the whole or a part of a sliding guide surface of a first member by an injection molding operation using the first member as a core, thereafter molding a second member, which covers a sliding guide surface of the first member, by a metal molding operation with the resin liner-fixed first member placed firmly as a core in a metal mold, and thermally curing the resin liner with the heat working on the sliding surface of the first member during the molding of this second member.

Abstract: An object of this invention is to provide a connecting rod in which a pair of ball-shanks are connected to a rod main body such that they are axially perpendicular to each other, having a sufficient strength and which can be produced easily and at low cost, and a manufacturing method thereof. The connecting rod of this invention to achieve such an object comprises first and second ball-shanks and a rod main body to which the first and second ball-shanks are connected freely swingably and rotatably. The first ball-shank is connected to the rod main body such that the shank portion is perpendicular thereto, while the second ball-shank is connected to the rod main body such that the shank is in parallel thereto. Further, the rod main body is die cast with a ball portion of each ball-shank inserted as a core.