Abstract: The invention relates to a composite material for a sliding bearing comprising a metallic support layer, a porous carrier layer applied thereon and a PTFE-based sliding layer that forms a sliding surface for a sliding partner. Said material is characterised in that the material that forms the sliding layer also fills the pores of the carrier layer and contains at least 65 vol. % PTFE and 10-25 vol. % zinc sulphide. In order to provide a high degree of wear resistance with a low friction coefficient, the material of the sliding layer contains in addition 1.5-3.5 vol. % carbon fibers and 3-7 vol. % PPSO2.

Abstract: The invention relates to a connecting rod bearing shell or bushing for internal combustion engines or to a main bearing shell for crankshaft mounting in internal combustion engines, made of a sliding bearing composite material having a metal, preferably steel support layer and a metal sliding layer applied thereto. The sliding bearing composite material is suitable for all applications cited and the sliding layer is made up of a copper zinc alloy with 10-25 wt. % Zn. 1-3 wt. % Mn. 1-3 wt. % Ni. 2-6 wt. % Fe: the remainder being copper, and impurity elements, respectively accounting for a maximum of 0.1%, corresponding to a maximum overall sum of 1 wt. % and the sliding layer is exclusively crystallised in the &agr;-phase.

Abstract: The invention relates to a friction bearing composite material with a metal base layer a porous support layer applied thereto and a low friction layer made from PTFE forming a bearing surface for a bearing partner. The low friction material forming the sliding surface also fills the pores in the support layer and comprises at least 60 vol. % PTFE and 10-25 vol. % zinc sulphide. In order to achieve a high wear resistance with a low coefficient of friction the low friction material further comprises 1.5-3.5 vol. % carbon fibers and 1-7 vol. % PFA.

Abstract: A manually operable press comprises a manually pivotable actuating lever for effecting a forward press stroke and a return stroke of a press slide. A mechanical return stroke interlock inhibits a return movement of the press before the press slide has come to a lower end position of the press stroke. A cam plate within said return stroke interlock is connected for being pivoted together with the actuating lever. The cam plate has a groove-shaped guide cam provided with a plurality of lock protrusions. A spring-biased lock pin runs along the guide cam and is adapted to run freely along the guide ram in an operational direction but is inhibited by the lock protrusions within the guide cam from running in a direction opposite the operational direction. An opening each is provided in the guide cam at the lock protrusions. Unlocking pins are provided in each of the openings.

Abstract: The invention relates to a composite material comprising a metallic support layer a porous carrier layer applied thereto and a PTFE based slide layer that is used as the sliding surface for a sliding partner. The sliding surface material forming the sliding surface also fills out the pores of the carrier layer and comprises at least 60% PTFE by volume and 10-25% zinc sulfide by volume. The sliding surface material further comprises 2-7% PFA by volume and 3-7% PPSO2 volume.

Abstract: The invention relates to a crankshaft bearing shell in an internal combustion engine of a vehicle. Said crankshaft bearing shell is made of a steel/aluminum composite material and is composed of a steel supporting layer and an aluminum plated sliding layer containing parts of tin and copper in the aluminum sliding layer, optionally comprising an intermediate layer consisting of pure aluminum. Said aluminum sliding layer comprises A1Sn (20-23) Cu(1.8-2.3) alloy, optionally containing additions of up to 0.1 wt % of Ni, 0.7 wt % of Si, 0.7 wt % Fe, 0.7 wt % Mn, 0.2 wt % Ti, wherein the sum of Si, Fe and Mn is less than 1 wt %; and impurities form a total amount of less than 0.5 wt.- % with said aluminum sliding layer having a Brinell hardness of at least 45 HB 1/5/30 after heat treatment.

Abstract: The invention relates to a big end bearing shell (4, 6) for a connecting rod (2), consisting of titanium or a titanium alloy. The shell comprises a support layer (8, 20) consisting of steel and an anti-friction layer (16, 26) for the crankshaft. According to the invention, the back of the support layer (8, 20) is clad with a layer (10, 22) of tin bronze material, with a thickness of 10-50 &mgr;m to prevent fretting corrosion and frictional abrasion.

Abstract: An aluminum-based material for anti-friction bearings composed of an aluminum alloy with 10-25 wt % tin or 5-25 wt % lead, impurity-caused components characterized by 0.75-2.5 wt % iron and an alloy additive capable of forming an intermetallic compound having a spherical phase homogeneously distributed in the aluminum alloy. The alloy additive is one of: a) manganese and silicon, in which the weight percentage fractions of manganese and silicon are at least half the weight percentage fraction of the iron and for manganese, at most 3 wt %, and for silicon, at most 2 wt %; b) 0.1-0.5 wt % cobalt; and c) 0.1-0.5 wt % molybdenum.

Abstract: An assembled flange-bearing shell including a half-shell shaped radial bearing part and an axial bearing part which can be fixed on one side in the area of the axial front face of the radial bearing part, or partial ring-wheel shaped axial bearing parts which can be fixed on both sides. Each axial bearing part has inward projecting retaining tongues located around its radius. The retaining tongues can be engaged in retaining recesses in the area of an axial rim section of the radial bearing part. The flange-bearing shell has two retaining tongues on both sides of the vertex which form an undercut. The undercut is engaged from below by a clip of the radial bearing part which lies axially adjacent to each respective open-edged retaining recess. The clip is curved inward in an axial direction from its extension along the periphery into the retaining recess in order to secure the axial bearing part against detachment.

Abstract: The invention relates to a rolled-up plain bearing bush made from a metal/plastic composite plain bearing material whose wall has a thickness of at least 0.75 mm and which can be pressed into an opening of said bearing to form a medium-force fit. The inventive bearing bush also comprises a metal supporting layer and a sliding layer. In order to reduce weight and corrosion, the plain bearing bush is characterized in that the metal supporting layer is made of an aluminum alloy and the sliding layer consists of an expanded aluminum metal alloy section and a mixture of plastic sliding material that is applied to the expanded metal section and in the openings thereof in addition to optionally containing fillers that improve caloric conductibility and tribiological properties and the supporting layer is glued using an additional PFA-layer arranged therebetween.

Abstract: The invention relates to a sliding bearing composite material with a hard metal support layer and a metallic sliding coating which is roll-bonded onto said support layer. The inventive sliding bearing composite is made of an aluminum alloy with tin comprising 10 to 20 percent by mass and with additions of copper and nickel. The sliding layer is in direct contact with the sliding mate. The sliding bearing composite material is thus improved with respect to the loading capacity and plasticity in that the aluminum alloy is comprised of tin, copper, nickel and remaining aluminum, the copper and nickel each have a percentage by mass of 0.2 to 2, and the ratio of percentage by mass of copper to the percentage by mass of nickel is between 0.6 and 1.5.

Abstract: The invention relates to a sliding bearing composite material with a hard metal support layer and a metallic sliding coating which is roll-bonded onto said support layer. The inventive sliding bearing composite is made of an aluminum alloy with tin comprising 10 to 20 percent by mass and with additions of copper and nickel. The sliding layer is in direct contact with the sliding mate. The sliding bearing composite material is thus improved with respect to the loading capacity and plasticity in that the aluminum alloy is comprised of tin, copper, nickel and remaining aluminum, the copper and nickel each have a percentage by mass of 0.2 to 2, and the ratio of percentage by mass of copper to the percentage by mass of nickel is between 0.6 and 1.5.

Abstract: A wrapped slide bearing bushing consists of a composite bushing material including a metal bearing layer, a porous support layer sintered thereon, and a PTFE-based sliding layer, forming the sliding surface of an associated sliding member, said sliding layer also filling the pores of said support layer, and including at least 60 vol % of PTFE, 15-25 volume percent of a metal filler, preferably lead, and optionally 8-12 volume percent of PVDF. To obtain a low coefficient of friction, only varying in a narrow range over a long time period, said slide bearing bushing is formed such that the sliding layer includes 1-3 volume percent of carbon fibers, said carbon fibers being oriented substantially in a preferred direction relative to said composite bushing material, while the relative movement of said bearing bushing and said associated sliding member is substantially transverse to said preferred direction.

Abstract: The invention relates to an aluminium-based slide bearing material, comprising an aluminium alloy with 10-25% wt. tin, as well as copper, nikel and manganese additions. The invention seeks to provide a material with improved load-bearing capacity and formability. To this end, copper, nickel and manganese are each present at a portion of 0.2 to 2% wt., and 0.2 to 2% wt. silicon is added. Furthermore, the ratio of the percentage by weight of copper to the percentage by weight of nickel, and the ratio of the percentage by weight of manganese to the percentage by weight of silicon is between 0.6 and 1.5.

Abstract: The invention relates to an aluminum sliding bearing alloy, comprising 3 to 6 mass % zinc, 0.3 to 2.0 mass % copper, 0.2 to 1.0 mass % magnesium, 0.3 to 2.0 mass % silicon and 2 to 4.5 mass % lead. According to the invention, said alloy is obtained by means of continuous casting with a minimum dimension, i.e. a strand thickness of more than 20 mm, solidifying in a mold which is indirectly cooled only, with a withdrawal speed of 1 to 5 mm/s and with a cooling speed of less than 100 K/s.

Abstract: The stability under load and deformability of an aluminum-based sliding bearing material with 10-25 mass 6 tin are improved in that the aluminum alloy is composed of tin with the admixture of silicon and manganese, the remainder being aluminum, in that the proportions of manganese and silicon amount each to 0.2-2 mass %, and in that the ratio of the percentage by mass of manganese to the percentage by mass of silicon lies between 0.6 and 1.5.

Abstract: A manually operable press comprises a manually pivotable actuating lever for effecting a forward press stroke and a return stroke of a press slide. A mechanical return stroke interlock inhibits a return movement of the press before the press slide has come to a lower end position of the press stroke. A cam plate within said return stroke interlock is connected for being pivoted together with the actuating lever. The cam plate has a groove-shaped guide cam provided with a plurality of lock protrusions. A spring-biased lock pin runs along the guide cam and is adapted to run freely along the guide ram in an operational direction but is inhibited by the lock protrusions within the guide cam from running in a direction opposite the operational direction. An opening each is provided in the guide cam at the lock protrusions. Unlocking pins are provided in each of the openings.

Abstract: A material for sliding surface bearings comprises a backing layer of steel and a clad-on layer made of an aluminum-base bearing material. To increase the fatigue limit the material 2 for sliding surface bearings has been heat-treated at 200 to 220.degree. C. for 2 to 12 hours and the bearing material is composed of14 to 18% by weight tin,1.7 to 2.3% by weight copper,balance aluminum.

Abstract: A material for sliding surface bearings comprising a layer of a wrought copper-zinc alloy of thickness of about 0.1 to 1.5 mm inseparably joined to a backing layer of steel or stainless steel. A co-rolled joining strip of copper may be between the two layers.

Abstract: A multilayer material for sliding surface bearings comprises a metal backing layer, a sintered porous bearing layer of a bearing metal, and a low-friction layer consisting of a mixture of PTFE and 5 to 30% by volume metal filler, and fills also the pores of the bearing layer. To reduce the wear the mixture of PTFE and metal filler contains also 5 to 40% by volume PVDF.