A method of making coreless hollow filament bundles comprises winding a hollow filament 20 around a drum 22 having a number of axially extending vanes 24. The winding is formed in layers, each layer being a helix and adjacent layers being wound in opposite directions axially of the drum so that all the turns of the helix forming one layer cross all the turns of the helices forming the adjacent lay...

PURPOSE:To improve the cost of fuel and the durability by reducing the closing area of a throttle valve when the stepping amount of an accelerator is below a fixed area, keeping the throttle valve near full opening constantly when in the fixed area, and increasing the engine torque when above the fixed area. CONSTITUTION:A supercharger 6, a speed-change ratio adjusting device 18, a throttle actuat...

PURPOSE:To improve a rate of fuel consumption so sharply, by making a range of closing a throttle valve smaller when an accelerator pedalling extent is less than the setting value, while keeping the throttle valve constant at an approximation to the full open when it goes up beyond the setting value. CONSTITUTION:In this control device, a transmission ratio adjuster 18, a throttle actuator 36 and ...

PURPOSE:To make a sharp improvement in a rate of fuel consumption as well as to secure reliability on an engine, by keeping a throttle valve constant at an approximation to the full open when an accelerator pedalling extent is within the specified range, while increasing the engine torque when it goes up beyond the specified range. CONSTITUTION:In this control device, a supercharger 6, a transmiss...

PURPOSE:To relieve the worsening of fuel consumption as well as to prevent the occurrence of knocking in an engine, by making a range of closing a throttle valve smaller when an accelerator pedalling extent is below the specified range and less than the setting value, while controlling a transmission gear ratio and the throttle valve in accordance with the said pedalling extent when it is less tha...

PURPOSE:To make a sharp improvement in a range of fuel consumption, by keeping a throttle valve constant at the specified opening when an accelerator pedalling extent is within the specified range. CONSTITUTION:In this control device, a transmission ratio adjuster 18, a throttle actuator 36 and an accelerator position sensor 9 are installed altogether, while a throttle valve 3 is kept constant at ...

A polyurethane is disclosed which can be used in particular for the production of articles intended to be in contact with blood, characterized in containing a macromolecular chain comprising nitrogen atoms in the form of quaternary ammonium groups, to which molecules of heparin are bonded, these nitrogen atoms originating from polymers consisting of q recurring units of the formula:

A sprung brake apparatus including a casing in which is mounted a plunger (33), which on its one side is joined to a spring chamber and on the other is connected to a rod (42,62). The spring (21) is arranged in the spring chamber so as to press the plunger and thereby the plunger rod axially away from the spring chamber in order to apply the brakes. The spring is designed to work essentially acr...

1. A method of coating insulations against heat or cold having a basis of hard polyurethane foams, to improve the fire behaviour of the insulations, where the insulations are coated in a first process stage, with a dispersion-bonded, solvent-free, non-porous and elastic coating medium, which seals off the foam and contains inorganic pigments, fillers and/or fibres with various flame-inhibiting add...

An electrically heated glass pane includes a plurality of heating conductors (2) comprising a family of parallel conductors extending between a pair of power supply conductors (3) both disposed on and burnt-in a surface of a glass pane (1). A strip (4), of non-conductive material, covers conductors (3) and extends laterally from the edges of the conductors. The conductors (2) merge into the conduc...

A phenol derivative of the formula NU-A-X-R1 wherein NU is a defined bis-phenolic nucleus including a hydroxyphenyl-hydroxynaphthyl; hydroxyphenyl-hydroxyindanyl, hydroxyphenyl-hydroxybenzothienyl or di-hydroxyphenyl-ethylene or vinylene nucleus; wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages, wherein R1 is hydrogen, or alkyl, alkenyl, cyclo...

A phenol derivative of the formula NU-A-X-R1 wherein NU is a defined bis-phenolic nucleus including a hydroxyphenyl-hydroxynaphthyl; hydroxyphenyl-hydroxyindanyl, hydroxyphenyl-hydroxybenzothienyl or di-hydroxyphenyl-ethylene or vinylene nucleus; wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages, wherein R1 is hydrogen, or alkyl, alkenyl, cyclo...

A phenol derivative of the formula NU-A-X-R1 wherein NU is a defined bis-phenolic nucleus including a hydroxyphenyl-hydroxynaphthyl; hydroxyphenyl-hydroxyindanyl, hydroxyphenyl-hydroxybenzothienyl or di-hydroxyphenyl-ethylene or vinylene nucleus; wherein A is alkylene, alkenylene or alkynylene which may be interrupted by phenylene or other linkages, wherein R1 is hydrogen, or alkyl, alkenyl, cyclo...

1. A process for controlling the temperature of exothermic reactions by superheating steam, characterized in that steam as a cooling medium is removed from a constant pressure heat accumulator filled with boiling water and positioned apart from the reaction chamber and is guided by force through the reaction chamber in several cycles, is superheated there and is then recooled after each cycle in t...

PURPOSE:To improve the utilizing efficiency of a picture memory by invalidating a stored picture data at a proper time in a facsimile equipment provided with a storage function and a polling function. CONSTITUTION:When polling transmission is requested and address information is stored on an address managing table, picture data is read from a picture memory 2c and transmitted to a transmission req...

PURPOSE:To precisely control the ingition timing of a Diesel engine by determining the signal controlling the fuel injection timing based on the deviation from the target value and an estimated quantity corresponding to the change of the target ignition time. CONSTITUTION:The actual ignition timing thetaR is determined in response to signals of a reference position detector 4 and an ignition timin...

Sheet material, which may be flat or of profiled (e.g. corrugated) cross-section, suitable for use as building panels, e.g. roofing slates, is formed of a fibre-reinforced cement composition comprising, in weight percentages:- Ordinary Portland cement 50 to 71% Pulverised fuel ash 14 to 40% Volatilised silica (containing at @@least 86% SiO2 5 to ...

(A) Novel antigen derivs. (I) consist of an antigen to which at least one muramyl peptide is covalently bonded, opt. via a bridging gp. Prefd. cpds. are of formula (Ia): A-[(Z)m-MP]n (Ia) (A is an antigen residue; Z is a bridging gp.; MP is a muramyl peptide residue; m = 0 or 1; n \-1). The muramyl peptides are pref. of formula (III) (or the corresp. oligomers). (X is CO, COO or SO2; R1 is H, alky...

Apparatus for catalytic processes such as desulfurization of hydrocarbons comprises an upright reactor vessel containing at least one tray and catalytic support means for one or more catalyst beds; said support means, being permeable to fluids and impermeable to catalyst particles, are attached to the inner wall of the reactor vessel and are at least partly in the shape of a conical surface of a t...