According to the invention when building hydraulically bonded road foundations or semirigid roadway structures with known operations or when producing the material of road foundations, in addition to the usually applied hydraulic binding material, and to the usual additives, 50-150 kg/m<3> of granular plastic material of 1-15 mm, preferably of 5-10 mm, particle size and of a specific surface of 6....

A "thermo" box for the transportation of fresh goods, such as meat, fish, medicines or the like, comprises a double sidewall, cover and bottom construction of a thermo plastic material wherein the hollow space in the base portion, which defines the bottom of the box, sidewalls and the cover are filled with air or some other gas. The basic shape of the box is a generally flat hollow moulding where ...

A liquid tight connector accepts a non-metallic conduit grasped by fingers on a clip grasping above an annular ring on a ferrule. A compression nut engages the fingers. The configuration enables labor saving insertion and effective liquid tight integrity in an inexpensive device.

In a frequency shift keyed direct detection (FSKDD) optical (e.g. infra-red) transmission system, a first light source 21 is intensity modulated with a lower frequency part 25 of an information signal and a second light source 22 is frequency modulated with a higher frequency part 24 of that signal. The frequency modulation is then converted to intensity modulation to provide a composite intensity...

In a frequency shift keyed direct detection (FSKDD) optical transmission system, an optical carrier 14 is frequency modulated with a higher frequency part 16 of an input signal. The frequency modulation is converted in an optical frequency discriminator 18 (eg Mach Zehnder or Fabry Perot interferometer) to an intensity modulation and the carrier is further intensity modulated with a lower frequenc...

A Stirling engine wherein a pressure variation is provided by a reciprocative movement of a displacer and is effected upon a power piston to obtain an output motive force. A first elastic film is provided at the displacer rod projecting into the crankcase so as to produce a first hermetically sealed space bounded by the expansion cylinder. A second elastic film is provided at the power piston rod ...

Apparatus for positioning a prosthetic acetabular cup within an acetabulum during total hip replacement surgery. The apparatus includes a pusher ball, a pusher arm affixed to the pusher ball, a positioner arm, and a positioner flange affixed to the positioner arm. The apparatus also includes a slot within the flange dimensioned to receive a part of the pusher arm so that the flange can be faced wi...

A polycrystalline diamond tool comprising a diamond layer (A) is bonded to a support body (B) having a complex, non-plane geometry by means of a thin more than 3 mu m continuous layer (C) of a refractory material applied by PVD or CVD technique.

An apparatus for adhering a tape to a nonstraight edge of a generally planar workpiece has a stationary workpiece station, clamps retaining the workpiece stationarily in the station, a carriage displaceable adjacent the station parallel to the plane of the workpiece in generally perpendicular longitudinal and transverse directions, and a roller engageable with the workpiece and rotatable on the ca...

In the method for making slit insulating tubes for pipes or the like, in particular of foamed plastic, in which the extruded tube is cut open in the longitudinal direction on one side and one cut face is provided with an adhesive, which is covered by a film-like covering, a double-sided adhesive tape, covered on one side with a film strip, being applied to the cut face.

PCT No. PCT/AU87/00423 Sec. 371 Date Aug. 4, 1989 Sec. 102(e) Date Aug. 4, 1989 PCT Filed Dec. 15, 1987 PCT Pub. No. WO88/04733 PCT Pub. Date Jun. 30, 1988.A centrifugal pump for accommodating entrained gas and vapor at low absolute suction pressures includes an impeller with a central inlet chamber. The impeller has a peripheral wall which is concentric with the impeller's axis; and, at least one...

A mobile telecommunications system includes aplurality of base stations (10) each being communicatable with a mobile station (16) by radio, and a telecommunications network (22) accommodating the plurality of base stations (10) for switching communications to the plurality of base stations (10). A system center (26) is connected to said telecommunications network (22) for selecting an optimum rout...

An apparatus for producing a paper tube or like tube at a constant speed by helically winding tape on a mandrel (12) tightly with a great torsional force without creating any tape-to-tape clearance and delivering the tube formed from the mandrel axially thereof with a great force while rotating the tube without warping the mandrel. The apparatus comprises tape feed means (90), the mandrel and a tu...

There is described a process for protecting marble, stone, tiles, cement, and similar materials utilized in the building industry from the action of atmospheric agents and pollutants, which process comprises applying a perfluoropolyether having perfluoroalkyl end groups onto the surface of the article, said perfluoropolyether being in the form of an aqueous microemulsion.

PURPOSE: To arrange a head having a different effective size on a stem implanted in a basic part of humerus by including a means to bond a slender stem, a semispherical head and a head to one end of the stem removably in a humerus constituting part. CONSTITUTION: A humerus constituting part 10 includes a stem 11 having a slender part. A rounding part 13 is formed on a free end of the stem 11. A pr...

PURPOSE: To obtain an artificial intervertebral disk with good properties and a long functionability by including a hinge means arranged in upper and lower parts, a spring means between the upper and lower parts, as well as first and second fixing means to fix the upper part to the first spinal bone and the lower part to the second spinal bone. CONSTITUTION: An artificial intervertebral disk 20 ha...

PURPOSE: To execute fast processing by executing plural digital signal processing operation to the element of an operand array in response to a control signal. CONSTITUTION: An IA bus generates successive addresses necessary for collecting input data while former data is converted. A D1A bus and D2A bus generate a reading data address and a writing data address corresponding to FFT algorithm. Thou...

A dynamic random access memory device comprises one-transistor, one-capacitor-type memory cells (C00 SIMILAR C127,127) in rows and columns and dummy cells (DC20 min SIMILAR DC2,127, DC20 sec SIMILAR DC2,127 sec , DC20''' SIMILAR DC2,127''') in rows. The capacitors (Cd) of the dummy cells are charged to a high power supply potential (VCC) by one or more charging transistors (QA, QA min ) cloc...

Prefetching instructions for a pipelined CPU. A TIP (transfer and indirect prediction) table 42 predicting the target address of transfer and indirect instructions based on past history of the execution of those instructions. The prefetch mechanism forms instruction addresses and fetches instructions in parallel with the execution of previously fetched instructions by a central execution pipeline ...

Method and hardware associated with an arithmetic logic unit (ALU) in a central processing unit of a data processor provides for testing the inputs to the ALU to see if logical AND is zero or the two inputs are equal while allowing the ALU to perform another function at the time these tests are made.