A bistable electronically controlled transducer having an armature (27) reciprocable between first and second positions is disclosed including either a stressed spring (11, 12) or compressed air within a closed chamber in the transducer for causing the armature to move, and a permanent magnet latching arrangement (5, 6) for holding the armature in either one of the positions. An electromagnetic ar...

A segmental drum (10) has spaced-apart inflatable turnup bladders (24) for folding each edge (28) of a belt (30) applied to the drum (10). The spacing of the bladders (24) is adjustable by axial movement in opposite directions of central hub assemblies (42,44) threaded on screws (76). Fine adjustment of the spacing to straighten the fold line (32) of each bladder (24) is provided by axial adjustme...

An improved electromagnetic actuator assembly is described. The assembly comprises a magnetic circuit for defining radially directed flux both in an inward and outward direction, and a coil disposed in the flux paths and connect to receive a control signal so that a current can be applied in one direction through those portions of the coil disposed in the inward radially directed flux, and applied...

In volume densitometry, and in cases where the number of views which it is possible to obtain is low, the artifact rate resulting from the reconstructions is reduced. At least one view is obtained of the object (4) to be reconstructed, the principal direction (11) of irradiation of which is orientated substantially orthogonally, in a plane formed by or containing the other (5, 8) irradiation direc...

A hydraulic transmission coupling apparatus for transmitting a driving force to a front wheel driving shaft and a rear wheel driving shaft of a four-wheel drive vehicle, which is provided with a pump (20, 22, 30) to generate hydraulic pressure corresponding to a rotation speed difference between both driving shafts, a reserving part (T) for reserving hydraulic fluid, a fluid room (5) disposed in t...

In a system for evacuating air from moulds for vulcanizing tyres, the air and vulcanization gases trapped in the various interstices of the mould (1) are evacuated to the outside of the moulding part through a part which serves as a vent (3) and which contains one or more direct passage chambers (4) of constant width on the so-called bottleneck part which are dimensioned so as to prevent the passa...

PCT No. PCT/FR91/00735 Sec. 371 Date Mar. 10, 1993 Sec. 102(e) Date Mar. 10, 1993 PCT Filed Sep. 18, 1991 PCT Pub. No. WO92/05320 PCT Pub. Date Apr. 2, 1992.An excavating tool tooth includes a mounting area (10) and a working area (11). The working area (11) includes longitudinal bars (14-18) made of a hard material. The bars are inserted in the steel and snugly contact the tooth's cutting face. T...

An apparatus for jacketing accumulator plates has a delivery spool 1 for separator strip 8, a cutting apparatus 15, for cutting sections 22 of separator strip 8 to length, in which the separator strip 8 is cut without interrupting the movement of cutter blocks and is notched in the region of the folding line, and a conveying apparatus 29 for placing plates onto the sections 22 of separator strip, ...

A vehicle transmission having an auxiliary transmission with high and low speeds connected in series with a multi-speed manual transmission and clutch to an engine wherein the auxiliary transmission normally is shifted in response to the throttle opening of the engine and the vehicle speed. A control device detects the actuation of the clutch to maintain the auxiliary transmission in the low speed...

A drive system for an automobile comprising an engine, a transmission coupled to an output end of the engine, and a final speed reduction gear unit coupled to the lateral side of the engine. An output shaft of the transmission and an input shaft of the final speed reduction gear unit are positioned substantially coaxially with each other and coupled to each other through an axially intermediate sh...

A lacquer coating is applied to a laminated metal composite forming a sliding element such as a plane bearing and has particles of solid lubricants incorporated therein to form islets of greater thicknesses than the surrounding film and which serve as lubricant-trapping surface formations. The particles may be of polytetrafluoroethylene, fluorinated graphite or molybdenum disulfide and the lacquer...

The spool winding machine has two driven rollers looped by an endless belt. The driven rollers (5,6) are spaced from each other and the belt (10) is of such length that the spool is only supported by the free section of the upper side (11) of the belt (10) wherein the belt adjoins the spool over more than 30% of the circumference, pref. 35 to 45 percent. The lower side (12) of the belt (10) can be...

This invention relates to 4-substituted catechol diether compounds which are selective inhibitors of phosphodiesterase (PDE) type IV. The compounds of the present invention are useful in inhibiting PDE IV and in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, dermatitis and other inflammatory diseases. This invention also rel...

The present invention relates to a method for increasing penetration of mammalian ova by mammalian male sperm by contacting sperm in vitro with a penetration-enhancing amount of a penetration-enhancing thymosin polypeptide or a penetration enhancing anti-thymosin antibody. In preferred embodiments, treatment comprises contacting mammalian sperm with thymosin alpha 1 or antibodies to thymosin alp...

A sealed lead-acid cell includes a container, a plurality of positive and negative plates alternately interleaved with one another and disposed to opposite ends of the container, primary end cover in sealing engagement with the container which includes electrically conductive means for electrically coupling the lugs of like polarity plates and which is in electrical communication with a terminal p...

A method for producing a banknote in which the banknote is produced from paper pulp and provided with a fibre-thinned region, i.e. in the manner of a so-called watermark. The method is characterized by introducing into at least one region of the banknote (10) during its manufacture a reinforcement (5; 14) in the form of a material which has a greater mechanical strength than the paper fibres; thin...

A sensor (32) and method is provided for measuring one or more select components of a material (18). The method measures the components by emitting electromagnetic radiation (42) at the material (18) and detecting the intensity of the emerging radiation at the material at separate locations (36, 37) from the source (38). The sensor (32) provides a radiation source (38) for emitting radiation (42) ...

The apparatus comprising pairs of hooks in which one 32 of the hooks is articulated to the other hook 31. It is designed in such a way as to permit fastening onto the two hooks, in ensuring the engagement of one, and only one, cord on each of the second hooks 32 and in optimising the position of the hooks both for the fastening phase and for the unfastening phase.

A biaxially oriented polyester film containing 0.05 to 3 wt% of agglomerates of primary particles of aluminuin oxide having an average particle size of 5 to 40 nm, the agglomerates having an average particle size of 50 to 400 nm. The film of the present invention is excellent in the wear resistance against various members sub as a metal pin, and suitable for various industrial purposes including a...

The labor costs associated with manufacturing wooden articles often represent a substantial portion of the total cost of producing the wooden article. This invention discloses a polymeric composition which can be easily molded into articles which have physical properties which are very similar to those of wood. By utilizing the polymeric composition and techniques of this invention, it is possible...