Vinylcephalosporins of the formula (I) in which the symbols R<1>, R<2>, R<3>, R<4> and R<5> have the meaning given in the description.

PURPOSE:To increase output under the constant revolution speed condition by increasing the pressure receiving area without increasing the blade wheel diameter of a wind mill. CONSTITUTION:A short cylindrical accelerating vane 15 is installed on a wind mill body 11 through a supporting plate 14 so as to be positioned in front (upstream side of wind) of a blade wheel 13. The wind is boasting-collect...

PURPOSE:To obtain a quiet vibrationproof type wind power generator by interposing a vibrationproof means between the turning seat, etc., of a poewr generator, etc., and a tower, in order to prevent the propagation of the vibration and noise generated from a speed-increasing gear and the power generator to the tower. CONSTITUTION:A wind power generator is equipped with a turning seat 9 in the upper...

Apparatus for feeding flexible prefabricated parts (30) to a curved further-processing apparatus (29), for example feeding plies to a tyre building drum. A vacuum hose (16), to which a negative pressure can be applied, is provided for picking up the flexible prefabricated part (30). The vacuum hose (16) can be raised and lowered by means of lifting cylinders (13, 13a) and the lifting cylinders (13...

The torque distribution for four wheels is controlled correspondingly to the operating conditions of a car. There are provided a plurality of control systems such as a system for controlling the torque distribution for front and rear wheels, a system for controlling the torque distribution for right and left wheels, and the like. When the torque required for predetermined torque distribution excee...

A green tyre manufacturing apparatus comprising an unwinding means (8,9) for umwinding tyre fabric in sheet form from a reel (10,11), characterised by a transfer means (6,7) for transferring the unwound tyre component longitudinally thereof, said transfer means (6,7) comprising a first conveyor (18) disposed upstream of the transferring means and a second conveyor (19) disposed downstream of the s...

Described is a crushing device having a housing (1) with an upper feed opening (11) and having a lower section with a pair of counter-rotating interlocking rollers (2, 3). Each roller (2, 3) comprises several gearwheel-like crusher discs (6) with spaces (13) mounted between them. One roller (2) is connected to a drive, the drive being transmitted to the second roller (3) by virtue of the fact that...

The invention is a ceramic solid electrolyte based electrochemical oxygen concentrator cell and the method for fabricating said cell. The cell is based on a doped cerium oxide ceramic solid electrolyte and lanthanum strontium cobaltite ceramic electrodes.

An adapter for a centrifuge tube (T) comprises two segments (12 and 14) that are hinged along a hinge axis that extends perpendicular to the axis of the adapter.

A configuration for three-dimensional cone beam computerized tomography imaging which minimizes the incompleteness of the data set and, at the same time, avoids corrupted data and resulting artifacts when only a portion of an object is imaged, the object being of greater axial extent compared to a cylindrical field of view. At least two circular source scanning trajectories are defined centered on...

A configuration of three-dimensional cone beam computerized tomography imaging which minimizes the incompleteness of the data set acquired, while providing fast data acquisition to minimize motion artifacts. An object within a field of view is scanned, preferably simultaneously, along a pair of circular source scanning trajectories spaced a distance selected to minimize the amount of missing data....

Energy efficient process and apparatus are disclosed for forming glass fiber packages which are free of migration. Air from around the fiber forming bushing is passed beneath the bushing whereby it is heated by bushing heat and the heated air is then drawn into a chamber through which the glass fibers pass in heat transfer contact with the heated air. This heat transfer contact causes the water or...

An automatic speed control apparatus capable of allowing a motor vehicle to travel at a given speed in a cruising mode over a wide speed range from a low to a high speed by simplifying driver's operation as required while ensuring safety in driving by protecting the vehicle against collision with an obstacle lying in front thereof. Upon stoppage of acceleration and deceleration of the vehicle, the...

The utility model relates to a high-energy chemical battery which enhances the property of a battery under the condition of not enlarging the bulk. When an anode is a three-side column structure, the cross-section of the anode is in a triangular three-side column shape, and a cathode is matched with the anode in piece block shape. Both anode and cathode slab lattices are frames with checkers. In t...

This invention is a solution or dispersion of a liquid crystalline polymer characterized by having a polymer backbone to which are attached a plurality of pendant liquid crystalline moieties in an active hydrogen-containing compound having at least two active hydrogen-containing moieties. In another aspect, this invention is a polyurethane and/or polyurea polymer prepared by reacting a polyisocyan...

A device for wheel-chairs with a frame (1), driving wheels (2) and a seat which can be raised and lowered. According to the invention the device comprises at least one pair of parallel arms whereby the seat (5) can undergo parallel displacement in the height direction in relation to the frame (1) by means of a device (20, 21, 22) for turning of the arms (10, 11) in relation to the frame (1).

The present invention relates to a method for the manufacture of flexible polyurethane foam of a density between 35 and 70 kg/m<3> and having improved comfort properties, wherein a reaction mixture is composed containing at least a polyether polyol of equivalent weight between 1400 and 2800 and having a primary hydroxyl group content of more than 50 %, an organic polyisocyanate, a catalyst and 0.5...

A method for measuring internal defects of a specimen, comprising the steps of allowing a finely focused laser beam to be incident into a specimen from its surface and observing the scattered light of the said laser beam from inside the said specimen from the surface of the specimen and in a different direction to the optical axis of incidence of the laser beam.

A process for the preparation of cellular plastics, preferably rigid structural polyurethane foams, by the polyisocyanate polyaddition process involves reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking...

A nozzle assembly design (18,20,22) and a method for making the nozzle assembly, as well as a method for controlling a continuous skull nozzle process employing the nozzle assembly are provided wherein the cooling heat transfer coefficient at the nozzle is increased to maintain a steady-state solidified layer of a noncontaminating liner material, the cooling heat transfer coefficient being increas...