An electro-magnetically operated device, for example for use as a valve to control fluid flow, in which a magnetisable armature 10, extends into an air gap between opposite permanent poles of a magnetic circuit 24, 26, and is movable, between two end positions adjacent the poles through an intermediate position towards which it is resiliently biased. The armature motion may be sliding in a guide, ...

A battery (10) having positive and negative plates (11, 12) contained in a housing. The upper edges of the positive plates are connected to the lower edges by means of a member (25; 28) also contained in the housing. The member (25; 28) comprises a material having a greater conductivity than that of the material of the plates.

Known machines for cross-cutting lines of material, especially lines of paper and card, have a lower knife drum (1) and an upper knife drum (2), each drum containing at least one knife (7, 8) running in an approximately axial direction. At least one electric drive motor (21, 22) with a rotor (25, 26) and a stator (27, 28) is used for turning the knife drums (1, 2). According to the invention, the ...

The invention relates to a method and an accompanying device for dividing a sheet (1) by cutting, said sheet having a decorative layer located on a carrier film. According to the invention, the decorative layer is firstly removed along a removal track (13) by means of laser radiation (12). Afterwards, the carrier film is then separated by a blade (3) which engages in said removal track.

A method is described for controlling x-ray exposure during gated cardiac scanning, including the steps of detecting (106) a first cardiac signal; starting scanning (108) after a pre-selected wait time after detecting the first cardiac signal; and stopping the scanning (110) after a first to occur of passage of a pre-selected data collection time and detection of a second cardiac signal.

A thin layer of carbide containing an ultra-hard component, such as diamond, is applied to a formed compact for a drilling tool. The compact is then subjected to a high-temperature, high-pressure process to bond it to the added layer. This process allows the use of an underlying substrate which has a lower binder content than previously possible. The compact provides superior cutting ability, as e...

The present invention relates to an aqueous preservative/acidifier for grass and other agricultural crops, fish and fish products and meat products, having reduced corrosiveness and irritation to the skin, comprising at least 50 weight % formic acid and formate salts, ammonium tetraformate and 2-6 weight % potassium or 2-10 weight % sodium in the form of suitable K- or Na-compounds that will incre...

The inventive cutting tool comprises a plate (1) wich is curved in longitudinal section to form two elbows (2, 3) and an element (4) connecting said elbows. One of the elbows (2) can be mounted on an oscillating tool (5), while the other elbow (3), located opposite the first elbow, represents a blade. The plate (1) is curved in a longitudinal section so as to form a "W" with rounded angles, whereb...

A mold for molding a tire comprising at least two sub-molds; said at least two sub-molds being capable of forming a predetermined form as a whole when used for molding a tire, characterized in that each of said at least two sub-molds has a venthole for discharging air from the blockades formed between the surface of the green tire and that of the sub-mold when a green tire is pressed on the surfac...

A device for measurement of the spectral reflectance of a surface where the reflectance factor of light with a certain wavelength can be measured in a wide wavelength range, including the UV range, and in which a reference reflectance factor can be easily obtained. The device for measurement has a light source part with a xenon lamp; a fiber on the incidence side; a measurement head which emits th...

The favorable responsiveness and the stability of a vehicle is sought to be achieved even under extreme traveling conditions. A yawing moment which a vehicle is desired to produce is computed according to a dynamic state quantity of the vehicle such as the vehicle speed and the cornering force of each of the wheels, and a braking force or a traction which is applied to each of the wheels is indivi...

The battery has several individual cells connected electrically in series, arranged in a common block case. The block case contains nine individual cells, and the positive and negative electrode plates in the individual cells, have a ratio of height:width of 0.3 to 0.6. The height-width ratio of the electrode plates lies between 0.45 and 0.55. The height of the electrode plates lies between 60 and...

A sealed lead-acid cell is provided with an internal cell restraint (36) which contacts the interior surface of the cell cover (14) and is positioned between the positive plates of the cell and the cover (14), the internal cell restraint (36) cooperating with an external cell restraint (50), such as a plastics coated metal face plate, to direct positive plate growth which occurs in service away fr...

The table has a stack carrying plate for carrying a stack of sheets which can be raised or lowered by a drive which is stopped if an object is present in the region to be traversed by the plate. Several sensors arranged in the region around the plate can detect the presence of an object in the monitored region to be traversed by the plate and generate a signal when an object is detected. The signa...

The invention relates to a method and device for winding a thread (2) running at a constant speed onto a bobbin (4) by means of a winding spindle (3) driven by a motor (18). The thread is fed to a cross-winding device (8) which moves the thread backwards and forth along the surface of the bobbin transversely to its running direction. Before the thread runs into the cross-winding device, it is guid...

The nonstop appliance (3) has support bars (7) for temporarily carrying a stack remaining from the stacked sheets, while the remaining stack is continually reduced by a separator (4) . The bars are held in guides and have controls checking their entry and discharge movements. The bars have stops placing them in positions detected by a sensor.

The invention relates to a winding machine to wind a continuously fed thread on a spool; wherein the thread is guided into a cross-winding device consisting of a pre-cross-winding unit and a grooved roller located downstream from the path of the thread. The winding machine has a thread deflection device in order to change the thread from a full spool clamped on a spool spindle to an empty spool cl...

In the present invention there is disclosed a topographical support member (2) intended for use in producing nonwoven fabrics, especially tricot-like nonwoven fabrics. The topographical support member (2) includes a body (1) having a top surface (3) comprising a pattern of a plurality of peaks (5) and valleys (6) and a plurality of apertures (7). Each of the apertures (7) has a conical top portion...

The invention is based on an electromagnetic actuator, especially for activating a valve, having at least one electromagnet (10) that acts on a correspondingly designed armature surface (20) of a moveable armature (22) in a first effective range (12) by way of at least one first conical and/or stepped pole face (18) using a magnetic field (16) generated by at least one coil (14).It is proposed tha...

Novel magnetic assay methods and systems. According to a preferred embodiment, a chromatographic medium, which preferably comprises a test strip, is provided that is designed to be contacted with a test solution having activated magnetic particles such that the solution flows bilaterally thereacross. A magnetic field, generated by a magnet or electromagnet, is selectively applied to the medium whi...