A jig for applying adhesive tape 11 to an elongate work surface 17 comprises a main body 22 with a handle 23, a pressing portion 16 for pressing the tape against the work surface, and engaging means for guiding the jig along the work surface. The engaging means includes a first contact element such as roller 32 attached to a sliding block 20 that is movably mounted in a holding block 13, and a sec...

The residual stresses that are experienced in a polycrystalline diamond cutter (PDC) 10, which lead to cutter failure, can be effectively modified by selectively thinning a carbide substrate 14, which comprises additional binder constituents such as cobalt, nickel, iron, or an alloy of these. Prior to the selective thinning, the cutter 10 is subjected to high temperature, high pressure (sinter) pr...

The electromagnet/solenoid has a housing Ä18Ü within which a coil Ä2Ü wound on a former Ä1Ü is located. At the centre of the coil is a core Ä3Ü and armature (4). The ends of the coils are brought out to a pair of metal connector blades Ä7Ü. The blades are embedded in the housing and connect with the ends of round pins Ä5Ü that are connected to the ends of the coils. The coil ends are wound and sol...

A poker is provided for a packaging machine which has a former (6) for bending a film into a tubular form and a chute (7) for guiding articles to be packaged into a bag being made below. The poker includes a driver link (23) which is driven to undergo a reciprocating rotary motion around a fixed axis (22a) and a generally L-shaped arm member (24) disposed above and behind the former. A base part (...

In a valve regulated type lead-acid battery, a positive plate includes a positive grid made of Pb-Ca alloy and a positive active material containing Sb in the range of 0.005 % to 1.0 % both inclusive per weight of the positive active material; wherein a density of the positive active material is not lower than 3.75 g/cc after formation.

The present invention provides an engine power train control method and control apparatus for a vehicle having an engine and an automatic transmission capable of quickly changing an air-fuel ratio to meet the requirements of the exhaust gas without producing shocks and without reducing an engine torque. The invention has following components. An air-fuel ratio command value is varied stepwise ...

Therapeutic oligonucleotide analogues, which have nuclease resistance and improved cellular uptake are provided. Replacement of phosphorodiester inter-sugar linkages found in wild type oligomers with four atom linking groups forms unique di- and polynucleosides and nucleotides useful in regulating RNA expression and in therapeutics. Methods of synthesis and use are also disclosed.

An electret article can be made by quenching a molten blend containing a polymer and a performance-enhancing additive. The resulting low crystallinity material can be annealed and charged to produce a material for making electret filters having superior oily mist loading performance properties.

Disclosed is a device and a process for examining cells using the patch-clamp method. A plane arrangement is used of a first number of micro-cuvettes for receiving cells and a plane arrangement of a second number of micro-pipettes which can be positioned in relation to the plane arrangement of micro-cuvettes in such a manner that a multiplicity of cells located in the micro-curvettes can be examin...

The present invention discloses a centrifuge that is not only suitable for a highly selective classification of fine-grained solids in very small increments, but can also be used for carrying out a sorting process and a classifying process simultaneously in one and the same machine so as to separate solid impurities from the fine grain to be obtained. According to the invention, a sorting zone (A)...

The invention relates to a portioning device for the packaging in trays or the like of a pre-established amount of ground meat, supplied through an extrusion plate of a grinder, which lays down a mass of ground meat in a continuous strip on a flat belt conveyor. The portioning device generates metered portions of ground meat by means of a cutting element which operates in cooperation with a fixed ...

An actuated support for the positioning of medical treatment instruments or diagnostic instruments is balanced out roughly in mechanical terms. A defined positioning of the instrument in question is possible by means of a plurality of drive units with integrated angle sensors. By using a plurality of angle sensors per drive unit, an additional operating safety is ensured in the case of a possible ...

The utility model discloses an anti-freezing water-saving solar water heater provided with a closed water tank, a heat collection device, and a water level probe arranged in the water tank; the conductor wire is connected with a comprehensive indicator by an air and electricity pipe; a water feeding and fetching pipe led to the bottom part of the water tank is connected with an upper and a lower w...

The utility model relates to a self-closing valve for a solar water heater. The utility model is composed of a casing I (3), a float (2), a permanent magnet controlling magnetic sheet (4) connected with the bottom of the float (2), a casing II (7) and a permanent magnet valve sheet (5). The casing I (3) is connected with the casing II (7) with a screw thread. The float (2) can move in an inner cav...

The utility model relates to a water-storage tank cleaning opening sealing device for a solar water heater. The water-storage tank cleaning opening sealing device for a solar water heater comprises inner and outer sealing cover plates (1, 7) connected with the inner and the outer walls of a water storage tank through sealing structures. Supporting sealing rings (3) are arranged between the two sea...

The utility model discloses a solar water heater having a heat collection water-storage tank. The water-storage tank of the solar water heater having a heat collection water-storage tank has a double-layer cylinder-shaped structure. An inner cylinder is composed of metal sheets with fine heat conductive performance. The side facing sunlight of an outer cylinder has a honeycomb structure. The water...

A method and apparatus for reducing the magnitude of a uniformity characteristic in a cured tire and the tire produced thereby. A signal is generated which is indicative of the magnitude of the uniformity characteristic. The signal is also indicative of the location on the tire to be corrected. At least a portion of one carcass reinforcing member of the tire is permanently deformed a predetermined...

The power assembly is an integral constitution of automobile engine and transmission mechanism. The mattress surface corresponding to the transmission shell and cover which cover the transmission mechanism is installed with a rubber mattress in which, same as the mattress, the U-shape cross section of rubber mattress is inserted on one end of the shell and cover so that the protuberance part exten...

A lift truck (10) has a tractive-power electric motor (16), an electric motor which actuates a pump for the hydraulic circuits, and batteries (19) which supply the electric motors. In order to obtain a long working life as well as reliability and a high performance, the tractive-power motor (16) or both motors are asynchronous and there are provided devices (30) for sensing the angular positions a...

The curved polar plate comprises several convex-concave alternatively arraged plane polar plate strips, between every two adjacent plane polar plate strips there is a certain included angle. Its production method includes the following steps: rolling plane polar plate by roller press to obtain curved polar plate, shaping the obtained curved polar plate by means of shaping machine to obtain smoothc...