Abstract: Compounds of the class of 1-(benzazolylalkyl)piperidine derivatives useful as antiemetic agents.

Abstract: An electronic echo apparatus comprising an input amplifier, an output amplifier connected thereto through a transmission channel, a delay device connected in parallel to said channel, and a feedback path connected in parallel to said delay device, characterized in that said feedback path includes a control means, and in that there is connected to the output of the output amplifier a means for measuring the output signal of said output amplifier, comparing said output signal to a predetermined threshold value and, when said output signal reaches said threshold value, supplying a control signal to said control means for terminating the feedback.

Abstract: Novel N-aryl-N-(1-L-4-piperidinyl)arylacetamides useful as antiarrhythmic agents, a method of treating arrhythmia which comprises the systemic administration of such compounds to warm-blooded animals and pharmaceutical compositions to be used therefor.

Abstract: An adaptor for converting a drawbar hook into a clevis bears against a portion of the hook to inhibit movement in a vertical direction. A pin is used to connect the adaptor to the drawbar. The adaptor is shaped so that it is reversible to provide different heights for the clevis.

Abstract: A pair of coupling collars are fixed on each end of a tubular mandrel. Each such collar carries a plurality of fixed bolt-hole sleeves projecting in a direction axially of the hose. Layers of rubber tape and continuous steel reinforcing cords are sequentially wound in a helical fashion on the mandrel and at the collar are brought radially out along the collar and circumferentially over at least one of the bolt-hole sleeves before passing back over the next tape layer to the other collar where the collar securing winding is repeated and so on until the required structure is built up. After the final outer tape layer is in place a split collar is placed over the hose and bolted on the inside of each of the fixed outer coupling collars to clamp the windings in place. The section is finished off by laying down tape layer seals over the area between the collars. The mandrel with its green hose section is then kettle-cured. Before shipping, polyurethane foam filled float collars of ABS are attached to the section.

Abstract: Liquid 4,4'diphenylmethane diisocyanate (MDI) prepolymers have been produced which remain fluid and do not crystallize at temperatures below 40.degree. F. These prepolymers comprise the reaction product of a polyol, 4,4'diphenylmethane diisocyanate (MDI) and an aliphatic and/or cycloaliphatic diisocyanate. The polyol employed is selected from the group consisting of castor oil, polyoxypropylene glycol, polyhydric alcohol mono- and di-esters of hydroxyacids of at least 12 carbon atoms and mixtures thereof.The reaction product contains the polyol in amount from about 10% to about 40%, the 4,4'diphenylmethane diisocyanate in amount from about 50% to about 70% and the aliphatic or cycloaliphatic isocyanate in amount from about 10% to about 20%. The prepolymer should be prepared such that the NCO/OH ratio should fall within the range of about 3 to about 7.

Abstract: 8-Allyl-8-hydroxytricyclo[5,2,1,0.sup.2,6 ] decane.

Abstract: A method of comparing circumferential shapes, particularly the outer circumference of a desired clearance wth the real clearance between obstacles arranged alongside a railway track, for example, signalling posts, overhead structures and quay walls, wherein from a point on the railway track, with the aid of field-glasses, in the viewing field of which is arranged an image of the outer circumference of the desired clearance made from a given distance, the real clearance is observed in the direction of length of the track at said given distance.

Abstract: A scanning system for use in an air-borne vehicle and adapted for collecting and focusing radiation received by periodically scanning a strip of the ground from which radiation energy is being collected extending tranversely to the course of flight, comprising a scanning mirror having at least three radiation reflective surfaces mounted in symmetric and parallel relationship relative to the axis of rotation of said scanning mirror. Each one of said radiation reflective surfaces during its active scan interval consecutively views a first optical system and a second optical system respectively. Said first optical system and said second optical system as well, each are adapted to collect and focus respectively radiation reflected from the respective one of said radiation reflective surfaces during its active scan interval onto a focal point within the entrance aperture of a radiation detector.

Abstract: A rotary harrow or cultivator has a frame including an elongated frame portion that supports a row of soil working members. Each soil working member has a substantially vertical shaft supported on the frame portion by upper and lower bearing connections. The shafts each have a pinion gear in mesh with neighboring pinion gears and these gears are housed within the frame portion between the upper and lower bearing connections. If the upper bearing fractures, the fragments thereof are retained by a protective member which can be a separate plastic annular member having a chamber that surrounds each shaft, or the bearing connection can be formed by two separable portions that are bolted together and secured in a top cover of the frame portion. In either case, the bearing fragments are retained and cannot become lodged between the meshed gears.

Abstract: A dragged suction dredger, comprising a suction pipe provided with a dragged suction head having a housing with a recessed suction nozzle and a cutting tool extending, in the cutting position, into the ground and being pivotally mounted on the housing and being held in the cutting position by holding mechanism which will deflect at the transgression of a predetermined load of the cutting tool, has the object to avoid loss of time during the dredging operations and inefficient dredging. For this purpose the holding mechanism comprise at least one fluid cylinder for pushing the cutting tool after a deflection back into the cutting position or into the holding position respectively, the fluid pressure of said fluid cylinder being subjected to the action of a gas cushion.

Abstract: Rigid pipe sections of a dredger are pivotally connected to allow universal movement therebetween and a flexible, elastic bellows communicates the adjacent ends of the pipe sections. The bellows in its free state is prestressed so as to be under compression and is further compressed when in place between the ends of the pipe sections.

Abstract: In a well obstructor for a steel wheel lugs are shown for ensuring axial (and optionally radial) positioning of the obstructor relative to the wheel rim. Preferably such lugs are turned out of the material of a band-like obstructor across at least part of its axially intermediate portion. They may be punched and bent out of a metallic such band.It is also disclosed how such a band and its retainers may be adapted for automatic assembly on to the rim by being respectively placeable on the rim along respective radial straight lines.

Abstract: Color photographic material containing a fast-acting hardener, which acts by activating carboxyl groups, wherein said material contains a 2-pyrazolin-5-one coupler precursor corresponding to one of the following general formulae I or II: ##STR1## wherein EACH OF R.sup.1, R and Y are substituents of the type used in 2-pyrazolin-5-one color couplers, andZ represents acyl, alkoxycarbonyl, aryloxycarbonyl,Or ##STR2## in which R.sup.1, R, and Y have the above-defined significance, and A represents an alkylene group or an arylene group.

Abstract: A separating device for separating substances from a liquid to be purified includes a tank having opposing end walls spaced from each other and a separator, comprising two parallel inclined plates spaced from each other, in the tank. The separating device also includes an inlet in one end wall of the tank for the liquid to be purified, a first outlet in the other end wall of the tank for the purified liquid, and an overflow between the first outlet and the separator. The one end wall of the tank and the one of the two parallel plates closest to the one end wall are spaced throughout their extent from each other and define a space therebetween to substantially eliminate turbulence of the liquid to be purified before entering the separator. The separating device also includes a second outlet from said space for substances to be separated that are lighter than the purified liquid. The second outlet is in the upper end of the one end wall of the tank above the inlet.

Abstract: The adherence of hydrophilic layers to dimensionally stable polyester films is improved by means of an adhesive layer by a process comprising applying the adhesive layer to an at most monoaxially stretched polyester film, stretching the thus covered polyester film biaxially or in a direction perpendicular to the first stretching direction and heat-setting the thus treated film at 180.degree.-225.degree. C, whereafter a hydrophilic coating is applied to the heat-set adhesive layer. This adhesive layer consists essentially of about 25-60% by weight of a chlorine-containing copolymer, 15-40% by weight of a butadiene copolymer, and 2-10% by weight of a water-soluble melamine-formaldehyde or hydandoin-formaldehyde resin and is free of gelatin.

Abstract: A liquid developer composition suitable for use in developing electrostatic charge patterns, which composition contains in an electrically insulating carrier liquid having a volume resistivity of at least 10.sup.9 Ohm.multidot.cm and a dielectric constant below 3, a dispersed particulate coloring substance bearing one or more charge control substances and an organic polymeric material, wherein said polymeric material is a copolymer containing the following recurring units (A) and (B) or (A) and (C): ##STR1## wherein: R represents hydrogen or an alkyl group of 1 to 4 carbon atoms,R.sup.1 represents hydrogen or an acyl group,R.sup.2 represents hydrogen or carboxyl in free acid or salt form,R.sup.3 represents hydroxyl or an ether group,A represents an alkylene chain of 12 to 20 carbon atoms,Y.sup.1 represents --CO--O--CH.sub.2 --CHOH--CH.sub.2 --Y.sup.2 represents --CO--, andx represents 4 to 20.

Abstract: A method of pyrolyzing sewage sludge to transform the same into activated carbon, with the combustible pyrogas and volatile liquids included therewith that arise from the pyrolysis operation being burned to sustain the transformation operation. A first portion of the hot activated carbon resulting from the operation is mixed with the wet sewage sludge to provide a dry sludge mixture that is subsequently subjected to the pyrolyzing operation. Water vapor that discharges as the hot activated carbon is mixed with the wet sewage sludge is heated by the burning of the pyrogas and transformed to steam. The resulting steam is in contact with the dry mixture during the pyrolyzing operation, and as a result the dry mixture is transformed to activated carbon. A second portion of the resulting activated carbon is separated from the first portion thereof, with this second portion being available for use apart from the method.

Abstract: An alloy of nickel-chrome-cobalt comprising in parts by weight at least 2% aluminum, at least 0.10% titanium and 0.30-1.50% hafnium. The alloy is particularly useful for forming forged products such as turbine components and the like normally subjected to high temperature conditions.