An installation system for wiring of a building has at least one junction boxes connected together, with each junction box having a removable plug-in block disposed at the back thereof. The plug-in block has conductors therein with sockets for providing access to the conductors, so that essentially all of the necessary electrical connections needed for wiring the building can, by means of the sock...

PCT No. PCT/EP92/00652 Sec. 371 Date Jan. 11, 1993 Sec. 102(e) Date Jan. 11, 1993 PCT Filed Mar. 25, 1992 PCT Pub. No. WO93/04743 PCT Pub. Date Mar. 18, 1993.The invention relates to a front jaw (1) comprising a housing (2), in which is housed a release spring (40). The spring loads a pull rod (10) extending through it, which pull rod acts through a release plate (13) onto the shorter lever arms (...

A process for the recovery of scrap polyurethane polymer in the form of a polyol, and the use of said polyol to prepare a fresh polyurethane polymer. Said process involves thermally treating scrap polyurethane at an elevated temperature with a liquid mixture which consists of an alkanolamine and a metal hydroxide and subsequently reacting the resulting intermediate product with an alkylene oxide c...

A method for preparation of rigid foam disclosed The method comprises mixing at least two components to form a reaction mixture. The reaction mixture comprises isocyanate, up to about 20% by weight CHClF2, up to about 2% by weight of water, and a combination of polyols having an overage OH number of from about 300 to about 500 and comprising polyalkoxylated glycerin having an OH number of from abo...

PCT No. PCT/SE90/00728 Sec. 371 Date May 18, 1992 Sec. 102(e) Date May 18, 1992 PCT Filed Nov. 9, 1990 PCT Pub. No. WO91/07653 PCT Pub. Date May 30, 1991.The present invention relates to a method and to an apparatus for detecting the presence of bark and for determining the barking degree of wood or chips. Accordingly, the apparatus includes a light source (12) which directs a concentrated light b...

A liquid mixing assembly (2) for mixing at least two liquids includes a container divided into two (or more) separate compartments (4a, 4b) in side-by-side relation, each for containing one of the liquids. Outlets (10a, 10b) for the compartments are formed in the bottom wall of the container and are joined to a common conduit (16). A blocking device (18) normally blocks liquid flow via any of the ...

A method for disinfecting contact lenses comprises contacting the lens with an isotonic aqueous solution comprising an effective disinfecting amoutn of tromethamine (preferably 0.6 to 2 percent) for a time sufficient to disinfect the lens. Other aspects include adding to the solution from 0.01 to 1 weight percent chelating agent (preferably disodium EDTA) and/or additional microbicide.

Polyisocyanate-based foams having a uniformly fine cell size are prepared by reacting a polyisocyanate with an isocyanate-reactive compound in the presence of a blowing agent mixture comprising a hydrocarbon component which has four or more carbon atoms and a polyfluorocarbon component which has a boiling point of from about 283 K. to about 393 K. at 760 mm Hg and wherein the boiling point:molecul...

A method for determining a sludge content in a heavy hydrocarbon oil and a device therefor are disclosed. The method comprises measuring absorbances of a heavy hydrocarbon oil sample, having an oil film thickness selected form a range of from about 0.01 to 5 mm, at two different wavelengths selected from the visible light region of from 500 to 1000 nm and determining a sludge content of the sample...

A buoyant article which can be used for floatation and/or insulation comprising a fibrous structure of a multiplicity of resilient, shape reforming, elongatable, nonlinear carbonaceous fibers and a coating for said carbonaceous fibers comprising a water insoluble, hydrophobic, cured or set material.

L'invention concerne des mousses de polyuréthanes rigides ignifuges produites à l'intervention de polyéthers-polyols halogénés et d'au moins un agent gonflant choisi parmi le 1,1-dichloro-1-fluoréthane et le 1,1,1-trifluoro-2,2-dichlor-éthane en présence d'éthylèneglycol. Elle concerne également des compositions destinées à leur fabrication, ainsi qu'un procédé pour les fabriquer. Les mousses rigi...

A gear shaft assembly (42) is provided including a shaft (5) having a first set of gear teeth (6) formed integrally in a second portion (51) thereof and extensions of said teeth extend axially over an adjacent reduced diameter second portion (50) for receivably mounting a second gear (7) for rotation with the shaft.

The invention relates to a vacuum-operated servo-brake comprising, in a casing consisting of a shell (10) and a cover (12), a piston (20) separating leaktightly two inner chambers (22, 24), a valve means controlled by a rod (32) projecting from the casing in order to ensure the operation of the servo-brake, and a prestressed spring (34) for returning the piston (20) to its rest position substantia...

A brake cylinder is disclosed featuring a reduction of weight and a construction for reducing a tendency to vibrate. The piston (11), serving for the brake actuation, is formed out of a plastic mold part and is furnished with a simplified guiding of the piston. A pressure piece (44) serves for the transfer of the braking force, and is formed at the brake cylinder as a plastic mold part for allowin...

An exercise aid for use by individuals which is adapted to be supported on a support surface such as a floor. The exercise aid comprises a pad assembly having a pad channel formed through an upper surface and extending a distance through the pad assembly through the lower surface. The individual sits on the upper surface of the pad assembly with the individual's spine being about aligned with the ...

The present invention concerns a quick setting composition capable of obtaining satisfactory strength developability irrespective of the fluctuation of the ingredients in a metallurgical slag, excellent in the strength developability at cold temperature, easy for coagulation control and inexpensive as well, which contains a cement ingredient comprising portland cement and/or mixed cement, 2 to 50%...

PCT No. PCT/JP90/01545 Sec. 371 Date Jul. 25, 1991 Sec. 102(e) Date Jul. 25, 1991 PCT Filed Nov. 28, 1990 PCT Pub. No. WO91/08329 PCT Pub. Date Jun. 13, 1991.An apparatus for the synthesis of diamond by the vapor-phase process using a combustion flame is provided with a cover set in place in the peripheral region of a combustion burner for enveloping the combustion flame and provided, when necessa...

A modified porous membrane can be produced by dissolving an aromatic polymer having thio ether groups in an organic solvent, forming the film of said polymer from the resultant solution by phase conversion, and oxidizing the formed film. The membrane can effectively be used in various filtration processes including ultrafiltration, reverse osmosis, fine filtration, gas separation, vapor permeation...

A method for treating waste water such as that from an industrial processing facility comprising the separation of the waste water into a dilute waste stream and a concentrated waste stream. The concentrated waste stream is treated chemically to enhance precipitation and then allowed to separate into a sludge and a supernate. The supernate is skimmed or filtered from the sludge and blended with th...

Method for consolidating diamond material, substantially free of voids, has an average crystallite size greater than about 15 microns, a maximum intensity of the diamond Raman peak in counts/sec divided by the intensity of photoluminescence at 1270 cm-1 greater than about 3, a Raman sp3 full width half maximum less than about 6 cm-1 and a diamond-to-graphite Raman ratio greater than about 25. The ...