Abstract: A vehicle analyzer and tutorial system is provided. The unit includes an engine analyzer and display unit. The unit further includes a remote controller and display unit, operably interconnected with the engine analyzer and display unit through a radio frequency interface, for remotely monitoring the engine analyzer display and for controlling the engine analyzer.

Abstract: An apparatus for remotely collecting and reporting an indicia of use of a vehicle. The apparatus includes an accumulator of the indicia of vehicle use operably coupled to the vehicle and a transceiver coupled to the accumulator and responsive to a received information request for transmitting the indicia of vehicle use.

Abstract: The vehicular access controller includes input means for detecting an indicia of identity of a prospective user and central station control means for comparing the indicia of identity with an indicia of identity of an authorized user. The controller further includes activating means for activating the vehicle when the control means determines that the indicia of identity from the input means substantially matches the indicia of identity of the authorized user.

Abstract: A portable apparatus is provided for testing an engine control system of a reciprocating engine. The apparatus includes a processor for generating a simulated waveform of an at least one engine position sensor and a connector for operably coupling the selected waveform to the engine control system.

Abstract: The vehicular access controller includes input means for detecting an indicia of identity of a prospective user and central station control means for comparing the indicia of identity with an indicia of identity of an authorized user. The controller further includes activating means for activating the vehicle when the control means determines that the indicia of identity from the input means substantially matches the indicia of identity of the authorized user.

Abstract: This invention relates to improved aluminous cement/gypsum compositions that contain polymer latex emulsions or compounds to produce self-curing, crack-free, fast-setting, high early strength, high bonding, water resistant, durable, cementitious mixtures for finishing, coating, plastering, stucco, rigid insulation protection, topping, resurfacing, patching, mortaring, tile grouting, concrete, and the like. In addition, this invention discloses a method for improving the properties and performance of aluminous cement/gypsum compositions by adding certain types, amounts and/or combinations of polymer latex emulsions or compounds with or without the addition of wet expansion and drying shrinkage inhibitors.

Abstract: Cartridges for securing an anchoring element in an aperture of a structure containing magnesium oxide ammonium phosphate and gelled or microencapsulated water.

Abstract: The hardened volume change of concrete, grout, patching material, and water-proof material made from blends of Calcium Sulfate Hemihydrate, Portland Cement and Calcium Aluminate Cement can be reduced by using Portland Cement containing low levels of iron oxide. By lowering the normal level of iron oxide in the Portland Cement used in the above composition, it was also discovered that the compressive strengths dramatically increase as well as the bond to old concrete.

Abstract: This invention relates to improved aluminous cement/gypsum compositions that contain polymer latex emulsions or compounds to produce self-curing, crack-free, fast-setting, high early strength, high bonding, water resistant, durable, cementitious mixtures for finishing, coating, plastering, stucco, rigid insulation protection, topping, resurfacing, patching, motaring, tile grouting, concrete, and the like. In addition, this invention discloses a method for improving the properties and performance of aluminous cement/gypsum compositions by adding certain types, amounts and/or combinations of polymer latex emulsions or compounds with or without the addition of wet expansion and drying shrinkage inhibitors.

Abstract: The contractions of aqueous hydraulic cement mixtures in the plastic state is controlled by the addition of a gas generating agent capable of generating gas in the mixture without the addition of activators or other agents, and which does not generate disagreeable or noxious ammonia fumes. The gas generation may be controlled over an extended period of time so that even slow setting cementitious mixtures may have their shrinkage or contraction inhibited while in the plastic state during setting or hardening without the generation of ammonia fumes.

Abstract: A method of treating hemorrhoids which comprises inserting into the rectum of a subject afflicted therewith a substantially cylindrical shaped insert, comprising a water swellable polymer having a water content of at least 35% by weight, said insert having previously been frozen by being subjected to a temperature below 0.degree. C. for a sufficient amount of time to freeze the free water therein and maintaining said insert with at least a portion thereof outside the sphincter muscle, and apparatus therefore.

Abstract: There is disclosed a cervical canal swelling device having an essentially cylindrically shaped stem formed in major portion thereof of a dehydrated hydrogel having a swelling capacity of 0.01 to 0.25 and an enforced unimaxial deformation of at least 1.1 and sized to a diameter of from 2 to 10 mm. and to a length of from 35 to 150 mm.

Abstract: A method of treating the unset surface of Portland cement concrete to form thereon a hardened surface, that is an integral coating, skin, treatment or mass of high early compressive strength, without substantial shrinkage during setting while exhibiting reduced wet and dry volume changes in the hardened state and prossessing a high degree of impermeability to fluids, abrasion, erosion and chemical resistance and similar characteristics desired in a surface treatment having commercial usefulness in a construction industry. The hardened surface is obtained by dry shaking, that is, sprinkling a dry cementitious composition of alumina cement and gypsum on the unset Portland cement concrete.

Abstract: A cementitious composition which, when mixed with water, is capable of setting rapidly into a hard mass of high compressive strength without substantial shrinkage during setting, and having reduced wet and dry volume changes in the hardened state comprises aluminous cement, gypsum, a drying shrinkage inhibitor and a wet expansion inhibitor. The wet expansion inhibitor is a lithium salt which may be added in an effective amount ranging between 0.01 to 0.5 percent, by weight, based on the aluminous cement and gypsum and preferably between 0.1 and 0.3 percent. It is preferred to employ between 60 and 90 percent, by weight, aluminous cement and between 10 and 40 percent, by weight, gypsum. The hardened drying shrinkage inhibitor, preferably Portland cement, is added in an amount ranging between 0.1 and 25 percent, by weight, based on the aluminous cement and gypsum, and preferably between 1 and 20 percent.

Abstract: The contraction of aqueous hydraulic cement mixtures is controlled by the addition thereto of a gas generating agent capable of generating gas in the mixture without the addition of activators or other agents. Gas generation may be controlled over an extended period of time so that even slow setting cementitious mixtures may have their shrinkage or contraction inhibited during setting and hardening.

Abstract: Naturally occurring particulate carbonaceous materials are rendered capable of counteracting or inhibiting shrinkage when added to cementitious systems by special processing including heat treatment at temperatures substantially higher than drying temperature. Further advantageous properties are obtained by contacting the material with a water spray at the heating temperature . The treatment enhances the properties of carbonaceous materials which are already capable of inhibiting shrinkage in the cementitious systems. Effective shrinkage inhibition is also obtained by adding particular amounts of anthracite coal to such a system containing aggregate. The compressive strength of the systems incorporating the shrinkage counteracting or inhibiting carbonaceous materials of this invention remains within acceptable limits when effective non-shrink properties are obtained.

Abstract: The shrinkage of organic plastics, such as polyepoxies and polyesters, can be controlled by incorporating therein an admixture of solid particulate gas carriers, such as fluid coke, activated alumina, activated bauxite, silica gel, and delayed coke.