Abstract: An improved elastic gasket-type pipe coupling device for providing a leak-proof joint between two adjacent pipe segments in a pressurized plumbing system. According to the preferred embodiment of the invention, the pipe coupling includes a cylindrical elastic gasket, a metallic compression band circumferentially disposed about the elastic gasket, and a plurality of tensioning bands attached to and encircling the compression band. The cylindrical elastic gasket includes an inwardly extending, centrally disposed separation ring and at least two integral, inwardly extending sealing rings symmetrically disposed on opposing sides of the separation ring. An enhanced pressure-resistant seal is achieved by locating the tensioning bands at points immediately adjacent to and on both sides of each sealing ring.

Abstract: An improved gastrostomy or like percutaneous transport tube includes, at the end exterior to the abdominal wall, a nutrient supply coupling assembly including a mechanically simple one-way valve. A threaded cap closes the assembly, and may be replaced by a coupling member having a fitting for disconnectable attachment to a nutrient or other fluid supply. A tool is provided for preventing rotation of the assembly during removal and replacement of the cap and coupling member.The assembly body includes a flange that extends parallel to the exterior abdominal wall. An annular skin protector disc seats between the flange and the abdominal wall, and includes spaced ridges arranged to permit the entry of air between the disc and the skin.In another gastrostomy tube embodiment, an enlargement at the end emplaced in the stomach is of dome shape and acts as a one-way valve. A slit across the enlargement divides the dome into two sections.

Abstract: A process for manufacturing 1,2-dibromo-3-chloropropane is disclosed. The process comprises the steps of reacting bromine and allyl chloride at a temperature of from 5.degree. to 85.degree. C. and maintaining the reaction mixture between 60.degree. to 90.degree. C. for a sufficient length of time so as to permit the reaction between the bromine and allyl chloride to go to completion. In addition, the process also includes the step of adding an agent so as to stabilize and purify the product so formed.

Abstract: A method of producing a dense sintered silicon carbide body, which is high in flexural strength, purity and strength at an elevated temperature, from polycarbosilanes is disclosed. This method comprises the following steps of:A. polymerizing organosilicon compounds to obtain insoluble and unmeltable polycarbosilane of which the melting or softening temperature lies higher than its thermal decomposition temperature;B. grinding this insoluble and unmeltable polycarbosilane to powder;C. decomposing this powder thermally in the range of 600.degree. to 2200.degree. C. in a nonoxidizing atmosphere to obtain silicon carbide;D. molding this silicon carbide powder; andE. sintering the thus molded body in a nonoxidizing atmosphere.

Abstract: A placer mining sluice for separating relatively heavy particulate valuable materials from relatively light waste material. The mining sluice includes an inverted generally V-shaped grizzly screen having first and second sides which slope downwardly and outwardly from a longitudinal axis of the screen. First and second panels are positioned at opposed ends of the screen to close off the ends of the screen. A deflector pan having opposed first and second ends is positioned beneath the grizzly screen to extend between the first and second screen sides and between the first and second screen ends. The first end of the pan contacts the first panel. A tray is positioned beneath the deflector pan and screen at an angle relative to the horizontal with the uppermost tray end beneath the second end of the deflector pan. Material passing through the screen passes over the deflector pan second end onto the uppermost end of the tray.

Abstract: In an axial flow filtering apparatus for filtering oil, having one or more filter elements of the wound tissue type, wherein the oil passes through the filter elements to a collection channel, and then to an outlet port, the improvement comprising a flexible, non-porous membrane, configured to be disposed in a sealing relationship about the circumference of the filter elements, and completely overlapping the collection channel, thereby preventing oil from entering the collection channel from the exterior of the filter elements.

Abstract: Apparatus to supply steam to a paper sheet moving beneath it. The apparatus has a leading edge and a trailing edge relative to sheet direction. It has a header and there is a supply of steam to the header. A chamber is positioned adjacent to the header. Steam can be transferred from the header to the chamber. A heating zone is defined beneath the chamber to be generally adjacent to the paper sheet when the apparatus is in use. Outlets in the chamber permit steam to pass from the chamber to the heating zone. Exhaust manifolds positioned adjacent to the leading edge and the trailing edge of the apparatus permit excess steam and vapor to be drawn away from the heating zone.

Abstract: A scrubber device for removing finely divided contaminants including gases from a gas stream is disclosed. The device comprises a housing defining a pretreatment section, an implosion section, and a diffusion section. The pretreatment section includes an inlet for directing a gas stream therein and means which define an annular flow path between the pretreatment section and the implosion section for the gas stream. The implosion section is disposed in the housing and is configured such that as the gas stream flows through the annular passage, it is directed radially inward. Means for supplying a liquid to the implosion section is also included, such that as the gas stream passes through the implosion section, finely divided liquid particles are entrained in the gas stream. The diffusion section is configured to receive the gas stream from the implosion section and includes means for removing the finely divided liquid particles. The now clean gas stream is then directed out of the diffusion section.

Abstract: Apparatus to supply steam to a paper sheet that passes by the apparatus from a leading edge to a trailing edge of the apparatus. The apparatus is adapted to be positioned adjacent the nip of two rolls and comprises a first header for steam and a first chamber to receive steam from the first header. Passages for steam are formed between the first header and the first chamber. An outlet in the first chamber permits steam to be forced against the paper sheet adjacent the leading edge of the apparatus to form a steam curtain to reduce the amount of air drawn under the apparatus by the paper sheet. A second chamber receives steam from the first header. There are passages for steam between the first header and the second chamber and outlets in the second chamber so that steam may be forced against the paper sheet to heat the sheet. The flow of steam along the length of the apparatus can be controlled.

Abstract: An improved disc protector assembly which enables a disc to be protectively held in a manner so as to retard warpage is disclosed. The disc protector assembly of the present invention comprises a jacket having a plurality of flaps forming elongated ridges along the length thereof. A removable disc protector is inserted in the jacket and holds the disc. The protector comprises a first member disposed between the flaps adjacent the ridges, and a second member having outwardly extending arms. The second member urges the disc into contact with the flaps along the length thereof. By the use of the protector assembly, problems associated with warpage are substantially overcome.

Abstract: An indicator which is used for indicating the completion of a sterilization process in which an article to be sterilized is exposed to formaldehyde vapor either dry or mixed with steam. The indicator comprises a mixture of preferably two amino acids and a pH indicator impregnated in a paper carrier. The amino acids and pH indicator are such that the change point of the pH indicator lies within the range of the change of pH value of the amino acid mix which occurs on exposure of the amino acids to formaldehyde vapor.

Abstract: A hanging rack device for hanging articles such as neck ties and belts having a base on which is disposed an attachment means such as the hooked material of a hook and burr-type fastener and one or more hanging means for holding said article which can be secured at any position on said attachment means by virtue of a pile material on the surface thereof which is cooperative with said hooked material thus allowing the articles to be hung in any convenient configuration desired.

Abstract: Apparatus to supply steam to a paper sheet passing beneath it. The apparatus has a leading edge and a trailing edge relative to the sheet direction and comprises at least two headers, a first header being adjacent to the leading edge. There is a steam supply system means for the headers. A profiling chamber is formed between the headers and baffles which divides the profiling chamber into compartments. There is provision for a controlled supply of steam to each compartment. Outlets in the profiling chamber permit steam to be projected towards the sheet from the compartments. A further chamber is formed adjacent to the leading edge and steam can be supplied to the chamber. Outlets in the further chamber permit steam to be directed towards the sheet to form a steam curtain at the leading edge of the apparatus to prevent air being drawn under the apparatus by the sheet.

Abstract: An air filter assembly for a heavy duty motor vehicle generator is disclosed. The assembly includes an adaptor plate and connecting means for rigidly connecting the adaptor plate to one end of the generator. The assembly further includes a housing enclosing a chamber and an air filter element removably disposed in the chamber, the housing having a circular threaded collar threadably engaged to the adaptor plate. Through the air filter element, and apertures provided in the housing and adaptor plate cooling air flow is permitted to flow but particulate foreign matter is excluded.

Abstract: A check valve insert for installation between the inlet and outlet ports of a conventional "T" pipe coupling. The insert comprises a coupler for insertion into the coupling inlet port, a guide sleeve affixed to the coupler to project into the conduit, and a check ball positioned within the guide sleeve. The coupler includes a valve seat against which the check ball may rest to prevent fluid passage from the coupling outlet port to its inlet port. A plurality of apertures are spaced around the upper end of the guide sleeve above the coupling outlet port. Fluid outside the conduit which rises above the check ball enters the coupling inlet port and eventually lifts the ball away from the valve seat. The fluid passes up into the guide sleeve to flow through the apertures and exit via the coupling outlet port. Sufficient clearance is provided between the check ball and the guide sleeve to prevent lodging therebetween of foreign particulate matter which might jam the check ball.

Abstract: This invention relates to compounds of the formula: ##STR1## including derivatives thereof. The subject compounds have been found to be particularly useful as cationic emulsifiers and exhibit many desirable properties in connection with personal care compositions.