The biopsy table (21) includes a platform (22), on which the patient lies in a prone position with the breasts passing through an aperture (37). An image receptor (36) is mounted on a C-arm (27) and can be rotated about an axis (29) able to be positioned between the patient`s breasts or against the underside of a breast. A tube-head (28) which delivers X-rays to the patient is positioned at the pa...

PCT No. PCT/GB94/00077 Sec. 371 Date Sep. 21, 1995 Sec. 102(e) Date Sep. 21, 1995 PCT Filed Jan. 13, 1994 PCT Pub. No. WO94/15746 PCT Pub. Date Jul. 21, 1994A layer 1 is formed from carbon fibre strands that are pre-impregnated with epoxy resin to hold the fibers together. The strands of carbon fiber that make up the layer 1 comprise eight uni-directional sub layers that are assembled with their s...

A method for determining the direction of a borehole during drilling comprises determination of inclination angle theta and highside angle phi from gravity acceleration ( &upbar& g) measurements and determination of azimuth angle psi from magnetic field ( &upbar& B) measurements along with the calculated inclination angle theta and highside angle phi , the determinations being carried out...

A segmental drum (10) has a plurality of circumferentially spaced drum segments (28) radially movable by a set of links (36) pivotally connected to a pair of axially movable hub assemblies (34) slidably mounted on a drum shaft (12). Each of the segments (28) has a cylindrical center portion (30) and end portions (32) with recesses providing pockets (68) for the tire bead portions. The links (36) a...

A punch is disclosed, which can be used with an automatic paper feeder or a plane paper copy for receiving sheet-like members one by one from such machine and forming punched holes in each sheet-like member at a punching position thereof. A punching member (78) is disposed in correspondence to the punching position for effecting punching with a predetermined stroke. A dimensional strain generated ...

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...

In this invention, a cutting tool has two layers of hard sintered compact of cBN. The first sintered compact layer contains about 75 SIMILAR 98 % by volume of cBN and the first binder material. The first binder material contains 1 - 40 % by weight of Al element. The second sintered compact layer contains about 40 SIMILAR 65 % by volume of cBN and the second binder material. The second binder mat...

A residual lap removing apparatus for efficiently removing a residual lap from a lap bobbin. A swing arm swings around a rotary shaft, a lap bobbin conveyor disposed on one side of the rotary shaft conveys a lap bobbin, a residual lap removing unit disposed on the other side of the rotary shaft blows jet of air against the residual lap on the lap bobbin, a lap bobbin holding mechanism mounted on t...

A circulating x-ray generator (11) which describes a circular path about a plane of rotation has several x-ray spots in a direction perpendicular to the rotation plane. An x-ray detector (12) opposite the generator has several detection elements arranged along the circumference of the rotation plane and in a direction perpendicular to the plane. A controller rotates the generator and detector, wit...

A liquid, eg oil, is applied from a reservoir to the surface of a running threadline by a roller (1). The crossing angle between the tarn (F) and the roller axis is adjustable. Pref. the application roller (1) is driven by a variable speed motor (7) and its surface is kept wetted by a wick which dips into a liquid reservoir. An inlet (14) and outlet (18) guide determines the angle of yarn wrap rou...

The valve plunger (12) moves axially between two switch positions and is held within a fixing chamber (14) by a retainer (13). Two electrical coils (17,18) surround the fixing chamber (14). Between them, at each end (32,33) of the retainer (13), is a flow conduction device (23) with striker plates (34,35) for the two switch positions. The component part of one of the electrical coils (17,18) and t...

A multisensor intrusion detection system having greatly improved immunity to false alarms employs a first sensor (66) for sensing an intrusion in a volume of space by a first physical phenomenon and a second sensor (500) for detecting an intrusion in the volume of space by a second physical phenomenon different from the first physical phenomenon. The first sensor (66) generates a first signal in r...

An agglomerated polyurethane foam consisting mainly of soft polyurethane foam particles bonded to one another by means of glue, and which have a minimally damaged cell structure like the structure which can be obtained by cutting pieces of said soft polyurethane foam and are bonded to one another by means of said glue in such a manner that the agglomerated polyurethane foam has a density comprised...

Verfahren zur Herstellung von Polyurethankaltschäumen durch Umsetzung eines Gemisches aus hochreaktiven Polyolen, welche ein mittleres Molekulargewicht zwischen etwa 4800 und 6500 g/Mol und mindestens 70 % primäre Hydroxylgruppen aufweisen und gegebenenfalls Füllstoffe enthalten, polyfunktionellen Isocyanaten, Aminaktivatoren, Vernetzern, Zinnkatalysatoren, Treibmitteln und Stabilisatoren, wobei m...

A heat insulating foamed material is manufactured by concurrently mixing and blowing a polyurethane material, thereby to form a polyurethane resin composition comprising a multiplicity of closed cells containing at least one volatile compound having a boiling point of 150 DEG C or lower and a molecular weight of 70 or larger, and a blowing agent; and fixing the reactive blowing agent in said close...

An apparatus for the inspection of hot glass containers for faults comprises a camera (1) sensitive to infrared radiation located opposite the path of travel of the hot glass container (6) through an inspection zone (13). The image of each hot glass container is processed by electronic means (2) into regions and the data for each region is compared with predetermined parameters to determine whethe...

In a process for steering a self-propelled vehicle over a predetermined course and a vehicle of this type, a control unit determines, by means of a first sensor, at least the distance already travelled and detects, by means of at least a second sensor, neighbouring objects whose position is stored in the control unit and which serve to verify the position of the vehicle calculated from the distanc...

The present invention relates to a novel polyurethane resin, a foam prepared from the resin, a preparation process of the foam, and preparation process of a rigid polyurethane foam composite having a face material. The primary object of the present invention is to provide a rigid polyurethane foam and a rigid polyurethane foam composite fitted with a face material which are prepared by using a hyd...

A method for determining the amount of an analyte in a sample fluid utilizing an assay element which comprises at least one reagent layer. The assay method includes the steps of optically reading a signal producing species, e.g., a fluorescent label, a first time prior to depositing the sample fluid on the assay element and a second time, at the same wavelength and in the same location within the ...

A process for the production of composite bodies consisting of a polyurethane core and a polyurethane covering, with the core being positioned inside a mold so that an average distance of at least 0.5 mm exists between the surface of the core and the internal wall of the mold. The gap between the core and the internal wall of the mold is filled with a reaction mixture composed of a) a polyisocyana...