Flame retardant oligomeric phosphate ester compositions having the structural formula: are prepared, wherein R is C1-C10 alkyl or haloalkyl, R1 and R2 can be the same or different and are hydrogen, C1-C10 alkyl or haloalkyl and n is an integer from zero to about 10. The method of preparing the compositions comprises reacting P2O5 with a trialkyl or tris(haloalkyl)phosphate in the prese...

SAFETY SKI BINDING A toe jaw for a safety ski binding having a ski boot sole hold-down mechanism which is pivotal about an axis extending generally perpendicular with respect to a base plate secured to the upper surface of a ski. A support part is provided on the hold-down mechanism and is adapted to engage the frontmost portion of the sole of the ski boot. The support part is pivotal about an axi...

PARTICULATE AGENT FOR IMPEDING THE COMBUSTIBILITY OF COMBUSTIBLE SUBSTANCES The invention relates to a particulate agent based on a free-flowing pulverulent ammonium polyphosphate for impeding the combustibility of combustible substances, the agent containing a) about 75 to 99.9 weight % of ammonium polyphosphate and b) about 0.1 to 25 weight % of a hardened, water-insoluble phenol resin (phenol/f...

A method for forming a magnetic core around a pre-wound wire coil involves: passing an end of a strip of magnetically permeable metal through the center of the coil and forming it into a loop encircling the wire coil through its center; revolving the loop to wind the strip onto the loop until it has the desired thickness of the magnetic core to be formed; retracting the strip from the coil to redu...

In a machine for wrapping individual articles with a thermoplastic film, a device is provided for correctly positioning the film, which is for example printed with certain symbols, relative to the articles. Said device comprises a mechanism for detecting at every instant the position of an article, a photoelectric cell for detecting the position of the film and a comparison circuit which receives ...

A process for the production of reinforced rubber articles formed from polyester yarn embedded into rubber stock is disclosed. The process comprises the steps of: (1) treating the yarn with a finish composition which comprises water and a silane having the structural formula: wherein n=2 to 5, and (2) including from about 2 to 50 parts, per hundred parts of rubber, of silica particles ...

A process for producing an open cell foam comprising the steps of: (a) forming a compound comprising polyvinyl chloride resin produced by suspension polymerization, at least one organic stabilizer containing at least one Group I metal and at least one organic stabilizer containing at least one Group II metal, at least one surface active agent, and a heat decomposable blowing agent; and (b) heating...

A method is provided for making abrasion resistant, non-opaque thermoplastic articles, for example, silicone-coated polycarbonate sheet useful as glazing material. A mixture of a certain UV absorber, for example a cyanoacrylate, and light stabilizer, such as a piperidine derivative, has been found to impart improved weathering resistance to the silicon-coated thermoplastic articles when used as pa...

A process for preparing reticular crosslinked copolymer beads by suspension copolymerization in an aqueous medium a polyvinylidene monomer and a monovinyl aromatic hydrocarbon monomer in a liquid precipitant which has a low solubility in the aqueous medium, is a solvent for the monomer mixture and does not appreciably swell the copolymer, the liquid precipitant and said polyvinylidene monomer each...

A fluidized bed heat exchanger in which a perforated plate is disposed within a housing for supporting a bed of particulate material which is introduced into the housing through an inlet. Air is passed through the plate to fluidize the particulate material and a drain pipe is pi-ovided for discharging the spent material from the bed. A plurality of nozzles are provided in associatioii with the per...

(Case No. 7042) A spring-applied, air-released parking brake, having a manual release mechanism with an automatic reset feature. To release a spring-applied parking brake, in the absence of air, a torsion bolt having a cam member formed on it is manually rotated to a position aligning the cam with an elongated slot in the piston push rod of the parking brake cylinder. This allows the piston to be ...

There is disclosed a multiple gaseous discharge display/ memory panel having an electrical memory and capable of producing a visual display, the panel being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members which are respectively backed by a series of parallel-like conductor ( electrode) members, the conductor membe...

This invention relates to aqueous dispersions or latices of phosphazene rubbers which are useful in the production of coatings and foams particularly where fire resistant materials are required, and to the resulting coatings and foams prepared using such latices.

The present invention relates to a process for the production of metal effect lacquerings having improved weather-resistance by the multilayered lacquering of various substrates, using a clear layer as top coat and a lacquer containing metal pigments to form the outer layer of the multilayered lacquering which is covered by the layer of clear lacquer, characterized in that the clear lacquer used i...

A dry shaver has a shearing foil clamped to a holder detachably mounted on a shaver housing over a cutter. The holder is arranged to enable the shearing foil to be moved between an operating position wherein the shearing foil is wrapped around the cutter in a wrap angle exceeding 180 DEG and a second position wherein the wrap angle is less than 180 DEG to facilitate removal of the holder and she...

A method of producing a composite of organic resin and inorganic porous particles, preferably for use as a dental restoration material, which comprises impregnating porous inorganic particles with an at least partially hardenable resin material, compressing or otherwise applying pressure in such a way that the particles contact each other and the pressure in the resin is equalized by viscous flow ...

An ozone generator is formed by a plurality of concentric tubular plate members forming positive and negative electrodes which are interleaved with each other. A high voltage discharge is applied from a transformer between the electrodes to cause an electric discharge in the air contained therebetween, thereby generating a supply of ozone. The air is fed to a suction nozzle device through which a ...

1. Process for mixing liquids with gases, for introducing gases into a liquid below its liquid level, in which the gas as well as the liquid are supplied to a nozzle (4) under pressure, characterised in that the liquid jet is introduced by guide means in a manner such that it shrouds at least partially the gas jet at the lastest at the exit end of the nozzle (4) whereupon the dispersion of the gas...