A system for continuously separating lighter and intermediate density matter, such as plasma rich in platelets from whole blood moves blood through a diverging centrifugation gap (65) between inner and outer walls of a rotor (42) rotating about a central axis within an outer housing. The centrifugation action creates layered flow along an intermediate section. However by creating trailing wakes in...

An electromagnetic valve assembly having a valve unit with a valve seat and a coil arrangement. An armature is slidably disposed in the bore of the coil arrangement. A yoke unit surrounding the coil arrangement is in two parts having cooperating longitudinally extending edges forming two axially extending air gaps on diametrically opposite sides of the yoke unit. End flange portions of the two par...

Coatings, which act as barrier layers to inhibit migration of alkali metal ions from a glass surface and/or act as colour suppressing underlayers for overlying infra-red reflecting or electrically conducting layers, are deposited by pyrolysis of a gaseous mixture of a silane, an unsaturated hydrocarbon and carbon dioxide on a hot glass surface at a temperature of 600 DEG C to 750 DEG C.

An apparatus for severing (collar) blanks from a web of material is disclosed. Knife rollers (10) which are provided with knife edges (17) are used to sever blanks of (thin) cardboard from a web. A knife roller (10) is pressed against a counter roller (11). For this purpose, there are provided resiliently adjustable pressure elements (30). The pressure is exerted on the counter roller (11) in the ...

A gripper bar fitted on drive chains and destined to grip and carry plate shaped sheets of material through printing, cutting and similar machines to produce a package characterized by the bar including a hollow profile on which the grippers are fastened. Every gripper consists of a flat spring attached at one end to a leading edge wall of the bar and having the other free end taking a rest positi...

A feed accelerator system for use in a centrifuge, the system comprising a conveyor hub rotatably mounted substantially concentrically within a rotating bowl, and an accelerator including a cone-shaped inside surface disposed between an accelerator base and an accelerator small diameter section. The accelerator is secured proximately to its base within the conveyor hub so that the accelerator rota...

A feed accelerator system for use in a centrifuge, the system comprising an accelerator rotatably mounted substantially concentrically within the centrifuge and including a plurality of disc members concentrically and proximately spaced having a first disc and a second disc, each disc having an inside surface and an outer edge defining a disc diameter. The second disc includes a target surface hav...

A transfer device for a four-wheel drive vehicle has a transfer shaft (5) rotatably mounted by first (11) and second bearings (8), and a transfer gear (6) rotatably mounted on the transfer shaft (5) between the bearings. A coupling device (17) is provided outside the first bearing (11) for engaging the transfer gear with the transfer shaft, and a bevel gear (7) is secured to the transfer shaft at ...

Device for the cutting or vaporising of various materials and tissues by using the laser effect, in particular for the treatment of dental caries and the cutting of the dentine, characterised in that it comprises a specific laser of the YAG type having in particular the following characteristics: - a capacity for emitting a pulsed energy of between 0 and 250 millijoules; - firing rate of 50 Hz; ...

This toe binding has a housing which is fixed to the ski and two angle levers which are rotatable about vertical axes and which bear with their longer lever arms against a ski boot to be inserted. The shorter lever arms are supported on a slide which is guided in the housing and stressed by a spring. Between the two angle levers, there is a vertical bolt which is mounted in the two prongs of the h...

Extruded polyvinyl butyral (PVB) sheet roughness is controlled by use of PVB resin lightly cross-linked through stable intermolecular linkages.

PURPOSE:To obtain the titled soy lees useful as a binder for briquettes, foundry sand, etc., by reaction of soy lees with an alkali and monochloroacetic acid (alkali salt) in a solvent. CONSTITUTION:The objective soy lees can be obtained by reaction of the original soy lees with an alkali and monochloroacetic acid (alkali salt) in water and/or an organic solvent (e.g., an alcohol, ketone, pref. is...

PURPOSE:To efficiently perform simultaneous removal of nitrogen and oxygen compds. from low-boiling cracking oil fraction, by providing a silica gel having particular properties for use as an adsorbent and alternately performing the step of impurity adsorption in which the cracking oil fraction is brought into contact with the gel and the step of regeneration. CONSTITUTION:This process for purifyi...

In a guidance system for guiding an automated vehicle (2,3) around an area (18) such as a warehouse, a scanning laser beam from a source (14,15) mounted on the vehicle impinges upon reflectors (13) located round the area. Each reflector incorporates an optical code which identifies that reflector. Laser light reflected back to the vehicle from the reflectors is used to control the movement and hea...

Quinolone and naphthyridine antibiotics useful for treating ocular infections by topical administration.

To provide a diesel engine prechamber sleeve excellent in the resistances to high-temperature oxidation and thermal shock. A diesel engine prechamber sleeve made of a heat-resistant iron-base alloy having a chemical composition comprising on the weight basis: Cr; 28 33 %; Ni: 26 32 %, Co: 2 10 %; Nb: 0.1 1 %, Mn: 0.1 1.5%, Si: 0.1 1.5 %,C: 0.02 0.5%, and N: 0.05 0.5%, and containing, if necessary,...

The proposed device comprises a control block (2), having keys (2a) for setting the washing programme and the relevant times, as well as the temperature and the quantity of water delivered; a delivery spout (3); a pair of photoelectric cells (5); luminous indicators (6); a slot (12) for dispensing the paper; a roll of paper (14), whose sliding is operated by a motor; two containers (15, 16) for th...

The invention relates to bi-oriented composite polyester films comprising a filled or unfilled thick layer (A) and at least on one of the faces of layer (A) a layer (B) of a grafted polymer derived from a sulphonated copolyester and at least one acrylic monomer, of a thickness lower than that of layer (A), presenting the following characteristics: Rt

A mask operand (260) can be obtained using a composite operand (250). A composite operand is an operand with plural multi-bit component data items (252,254,256). A logic operation can be performed on the mask operand (260) and the composite operand (250) to select a subset of components. The mask operand can have one value, such as ON, in bit positions aligned with the subset of components and ano...