The invention relates to an X-ray diagnosis apparatus for mammography having an X-ray tube (3) which is rotatable via a horizontal shaft (4) about a bearing (5) arranged in a stand (1), and at least two cassette holders (9, 10) which can be brought into a recording position when required. The cassette holders (9, 10) are pivotable about the horizontal shaft (4) in such a way that the cassette hold...

The invention relates to an X-ray diagnosis apparatus for mammography having an X-ray tube (3) which is rotatable via a horizontal shaft (4) about a bearing (5) arranged in a stand (1), and at least two cassette holders (9, 10) which can be brought into a recording position when required. The cassette holders (9, 10) are pivotable about the horizontal shaft (4) in such a way that the cassette hold...

The invention relates to an X-ray diagnosis apparatus for mammography having an X-ray tube (3) which is rotatable via a horizontal shaft (4) about a bearing (5) arranged in a stand (1), and at least two cassette holders (9, 10) which can be brought into a recording position when required. The cassette holders (9, 10) are pivotable about the horizontal shaft (4) in such a way that the cassette hold...

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 achieve speedy response and reduce electric power consumption by installing a frictional clutch which is tightened by an electromagnet and a cam which develops an operating power for the clutch by the force acting on a flyweight. CONSTITUTION:A pilot clutch (frictional clutch) 77 is arranged between the differential case 25 and the ring 75 of a differential gear device, and an anmature ...

PURPOSE:To carry out the fine torque control by installing an electromagnet for tightening a frictional clutch by transferring an armature by the magnetic force of a plurality of electromagnetic coils and a selecting means for selecting the connection of electromagnetic coils. CONSTITUTION:A clutch drum 41 is installed integrally on a connecting shaft 31, and a main damping clutch 59 is installed ...

PURPOSE:To obtain a large clutch torque without increasing the dimension of a clutch by applying a transmission torque onto a cam by the tightening of the first frictional clutch, and strengthening the tightening force of the first frictional clutch by the thrust force generated at that time. CONSTITUTION:The transmission torque is applied on a cam 97 by the tightening of the first frictional clut...

Ethylene alpha, internal nonconjugated diene unsaturated copolymers and higher interpolymers having structural characteristics that provide improved physical properties and processability. The ethylene polymers of the invention have narrow molecular weight distribution and/or narrow composition distribution and/or a low cluster index. Ethylene/1,4-hexadiene and ethylene/vinyl cyclohexene polymers ...

A device for assembling plates and separators into plate blocks (40) for traction, industrial and stationary batteries, has a longitudinal conveying device with devices for feeding the plates and separators from stacks (4, 5, 6) onto the longitudinal conveying device. Provided along the longitudinal conveying device are a station in which positive plates are removed, a station in which negative ce...

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...

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...

PURPOSE:To perform automatic loop detection securely by deciding that a loop state is entered if the phase name of a compiler which is recorded when a compiling process time reaches the interval time of loop monitoring continues. CONSTITUTION:A source read-in time measurement part 26 calculates the time T0 when a source program is read out of a magnetic disk device 23 to a main storage device 22. ...

PURPOSE:To manufacture TN liquid crystal at low cost by rotating the polarization direction of linear polarized light by high polymer liquid crystal. CONSTITUTION:The polarization direction of one linear polarized light beam (s polarization) split by a polarization beam splitter 1 is rotated by 90 deg. by the high polymer liquid crystal 2 and matches the polarization direction of the other linear ...

PURPOSE:To optimize the gap between a cell and a liquid crystal pan by elevating a table to the position where the liquid crystal pan compresses a coil spring by a specific quantity. CONSTITUTION:The liquid crystal pan 6 which has a projection 61 for forming a specific gap with the cell 1 is supported by plural indication pins 72 mounted slidably on the table 7 and the coil spring 71 which energiz...

The invention concerns a process for measuring the flow as a function of time of the several layers of a subterranean multilayer hydrocarbon-producing formation through which a well is drilled, and for determining the parameters of formation by comparison of trends in well behavior shown by actual measurements with trends in behavior established theoretically. The flow rate contributions of indivi...

A web of gray cotton fibers (12) is entangled by passing it under a series of low pressure liquid nozzles or jets (18) which are oscillated in a direction transverse to the direction of travel of the web. The entangled web (24) is then subjected to a cotton scouring step, and then dried, to produce a strong coherent nonwoven fabric that requires no resin binder and has a high absorption capacity f...

PURPOSE:To prevent the development of cracking on the superconducting film at the time of heat treatment by forming an intermediate layer having porocity ratio higher than the film between base material and the film with the same material with the film at the time of forming superconducting film on the surface of the base material. CONSTITUTION:Pressure in a vacuum chamber 4 for plasma thermal spr...

Adaptable fitting intended for operations for the setting of workpieces (6) carried by a robot arm comprises a toolholder (9) connected by fixing means (11) to a balance beam (10) capable of pivoting about a horizontal axis A arranged in the mid-plane of the balance beam (10) and perpendicular to the plane of the beam (10), a rod (14) which carries a governor weight (16) being articulated on each ...

Crosslinking polyamide oligomers are mixed with comparable, noncrosslinking, polyamide polymers to provide solvent-resistant blends that are particularly suited for aerospace uses. Generally, the blend comprises an equimolar mixture of the linear or multidimensional oligomer and a polymer having substantially an identical backbone and substantially the same average formula weight as the oligomer. ...

In repairing articles of natural rubber or elastomer predominantly of natural rubber with cured polymer or prepolymer (polyurethane/polyurea), adhering advantages are obtained especially at elevated temperatures when the damaged area is treated with halogen-containing oxidant dissolved in 1,2-dichloroethane instead of other solvents.