The valve (10) in the arrangement re-circulates a heat-carrying fluid to the solar heat catchment device (1) until the temp. in the fluid exceeds a predetermined threshold value.

The invention relates to a process for the preparation of recyclate polyols by reacting rigid polyurethane foam with shortchain hydroxyl-containing compounds, which comprises adding at least one epoxidized native fatty oil to the reaction mixture after glycolysis at a temperature from 10 to 80.degree.C below the glycolysis temperature.

A polypropylene composition for a laminated and oriented film comprising (A) 73 to 97 % by weight of a crystalline propylene random copolymer having a propylene content of 60 to 97 % by weight, an ethylene content of 0 to 6 % by weight and an .alpha.-olefin content of 3 to 40 % by weight, (B) 2.5 to 17 % by weight of a propylene-.alpha.-olefin random copolymer having a propylene content of 35 to 7...

A busbar (6,7,8,9) supplies current to an electrically resistant area heating means (2), such as an array of fine closely-spaced wires (3), which extends over a window (1), e.g. a laminated vehicle windscreen. The busbar is arranged to turn a corner, e.g. a corner (12,13) of the window, by providing a separate corner piece (40) of busbar strip which is electrically connected to adjacent lengths (4...

Improved bit rate reduction techniques are disclosed. When incorporated into an existing video processing system having a DCT coefficients processor, the motion vector processor disclosed herein provides enhanced computational and memory storage efficiencies over prior art designs. The motion vector processor includes a microprocessor and associated motion vector memory. The motion vector memory i...

A thermally activated occlusive implant delivery assembly is provided. The assembly includes an occlusive implant device and a pusher. The pusher has a distal section and a proximal section. The distal section includes a coupling portion which is shape memory material and exhibits different configurations depending on the coupling portion's temperature. The coupling portion inesrlcskingly engages ...

A method for scheduling when a server provides service to entities. The method comprises the steps of identifying when a first entity requests service from the server. Next there is the step of providing service to an entity, such as a first entity or a second entity, as a function of when the entity requests service from the server. A scheduler is also described for controlling when a server prov...

The present invention pertains to a method for scheduling when a server provides service to entities. The method comprises the steps of identifying when a first entity requests service from the server. Next there is the step of providing service to an entity, such as a first entity or a second entity, as a function of virtual time. The present invention pertains to a scheduler for controlling when...

A method for forming through apertures in the form of holes and/or slots or slits in a web which is intended to form part of absorbent articles, wherein the web is irradiated with at least one focused electromagnetic beam or particle beam from an irradiating source on at least one of its surfaces and in those web regions in which the apertures are to be formed, wherein the properties of the beam a...

A method for forming through apertures in the form of holes and/or slots or slits in a web which is intended to form part of absorbent articles, wherein the web is irradiated with at least one focused electromagnetic beam or particle beam from an irradiating source on at least one of its surfaces and in those web regions in which the apertures are to be formed, wherein the properties of the beam a...

A method of making a gasket from a room temperature vulcanizable silicone sealant composition containing a hydroxyl endblocked polydimethylsiloxane; calcium carbonate or a combination of calcium carbonate and reinforcing silica filler, a specifically selected ketoximosilane crosslinker combination such as vinyltriketoximosilane and methyltriketoximosilane and a catalyst. The gasket has a reduced s...

The invention concerns a machine tool, such as a lathe, for machining a workpiece, comprising a frame (1) with power means (2); a machining member (3) for removing material from the workpiece; a gear box (4) for transmitting the driving power required for moving the workpiece and/or the machining member; a guide (5) for supporting the workpiece and/or the machining member; a gear box lubricant spa...

A device for coating substrates with a capillary slot includes a component having a capillary slot with an outlet opening. A container filled with a coating fluid is provided. The component is positioned in the container such that the capillary slot communicates with the coating fluid and such that the coating fluid is supplied to the capillary slot. A device for moving vertically the outlet openi...

A method for upgrading liquid products recently obtained from the pyrolysis of biomass to obtain valuable chemicals or to upgrade the liquid products for use as renewable liquid fuels. The method solves many of the problems associated with liquid products of pyrolysis including chemical instability and aging, corrosivity, high viscosity, high water content and relatively low calorific value. The l...

The television signal recording/reproducing system digitally records and reproduces television signals composed of a luminance signal, a chrominance signal and a resolution compensation signal included in predetermined television scanning lines. The system includes a Y/C separating circuit for separating the luminance signal Y from the chrominance signal C and a decoder for decoding the color sign...

Apparatus for the painting and, in particular, the antique finishing of wooden furniture frames in localised and pre-established positions, comprising spraying pistols 13 supported by a bottom base 6 and arranged close to the top surface of each product to paint 23, 25. Apparatus in which means of guidance (roller 11) are envisaged, suitable for determining the continuous feed of each product duri...

The present invention includes a system for tracing jumpers used in an exchange to cross-connect optical fibers or wires served by the exchange. The system includes an exchange housing receptacles with optically-encoded data associated with each receptacle or a group of receptacles. The optically-encoded data for a receptacle(s) uniquely identifies the physical location of the receptacle from any ...

The equipment for ground and object processing comprises support units (2) and mouthpieces (1) fixed or wholly or partly rotating or in a limited tip direction arranged to an horizontal direction parallel with the carrier vehicle cross-section. The equipment is fitted on a component which incorporates the requisite construction for supporting the support units and movement components for the unit ...

CDMA cellular mobile radio using frequency hopping has been shown to yield very high spectral efficiencies. Known systems involve long interleaving delays to obtain adequate interferer diversity. This invention involves the use of faster frequency hopping (a few bits per hop) to achieve good interferer diversity without the need for long delays. The use of DBPSK along with a QPSK element to random...

The invention relates to an arrangement for protecting the bearings of two coaxially mounted rotors (1, 2) in an apparatus such as a mill, mixer or the like, in which the drive shafts (8, 9) of the rotors (1, 2) are passed to the rotors (1, 2) from the same side of the apparatus. The invention is based on adapting, close to the plate located in the rotor housing (14, 15, 16) of the apparatus on th...