In a radiological apparatus wherein radiation is passed through a body along a plurality of co-planar paths, attenuator means is utilized to tend to compensate for differences in the lengths of said paths within a body being examined. The attenuator means, however, introduces a variation into the radiation spectrum and the invention provides means for compensating for such variation. Such compensa...

A chuck or mandrel for a bobbin tube or sleeve serving as bobbin support embodying a thread catch ring and a thread severing ring defining therebetween a thread catching zone. The thread severing ring is provided at an end face with a substantially ring-shaped arrangement of spaced recesses and teeth formed between such recesses, these teeth each having an inner sharp cutting edge for engaging and...

A continuous marine pipe laying system utilizes two rollers to overbend and straighten pipe as it is unwound from a reel. A support arm is pivotally connected to the axis of rotation of said reel and first and second roller arms are pivotally connected to the support arm at a point spaced from said axis of rotation. During use, the first roller is positioned at a point adjacent the pipe substantia...

An exemplary embodiment comprises a support pivotal about a shaft which, on one side of the shaft, is provided with an x-ray tube, and on the other side, is provided with an arrangement for the adjustment of an image recording carrier along the support. In order to produce an x-ray examination apparatus in which, in the case of a tomography examination, the central x-ray always strikes the film ce...

This invention is directed to a method for reducing the strength of adhesion of solid particulate materials to metal surfaces as occurs under water freezing conditions by coating the metal surface with a mixture comprising a hydrocarbon liquid which has a solidification or pour point not greater than 0 DEG F. and a saturated or unsaturated fatty acid having from about 10 to about 18 carbon atoms.

1,3-Diamino-2,2-dialkylpropanes whose alkyl substituents are each of 1 to 4 carbon atoms are prepared by reacting the corresponding 2,2-dialkylpropane-1,3-diols with ammonia in the presence of hydrogen under superatmospheric pressure by a process in which the reaction is carried out in solution and in the presence of a cobalt-containing catalyst.

Apparatus for relieving tensile stress along welded seams in plastic containers such as battery jars. In the apparatus, the container (18) is supported on an adjustable table (16) mounted on a main frame (12). A roller assembly (20) is mounted on a carriage (14) supported on rails for sliding movement by a cylinder (60) and drive rod (58). The roller assembly (20) includes pairs of arms (70, 74) e...

1. Waste processing device, particularly for crushing products containing cellulose as for example wood from vine or trees, waste from wood, straw and the like, consisting of a housing (11) having an inlet opening (12) and an outlet opening (13) and further having a rotating knife (21, 21', ...) located in the housing and cooperating with a stationary counter-knife (31), characterized in that the ...

Disclosed is a drive apparatus for a device for applying paraffin wax to yarn. In the device, a solid block of paraffin is mounted on a polyhedral bolt which is driven by a whorl or drive pulley. The whorl, in turn, is driven by a continuous drive belt. Advantageously, a plurality of similar devices are mounted on the same open-end spinning machine so adjacent devices may be driven from the same d...

A process for producing laminate sheets or films based on phenolic resin/melamine resin and provided with a surface protection is described. A variant of the process is distinguished in that a transfer coating is applied to a backing material, the transfer coating allowed to cure at least partly, the film comprising the backing material and the transfer coating pressed together with the individual...

Clearance adjusting means for rotating cutters, the cutter drums of which, firmly seated on a pair of supporting shafts having helical driving gears, possess longitudinal openings for receiving cutter bars, in which openings the latter can be clamped with the aid of fastening elements acting on clamping wedges and capable of being subjected to pressure, are to be improved such that the disadvantag...

For better utilisation and easier cleaning of gas and electric cookers with baking ovens, instead of the previously conventional baking-oven flaps or the fixed inserts, a movable insert is used, which can be used directly for transporting and serving the baked or grilled articles. As a result of the possible omission of holding devices in the interior of the baking oven and with the insert removed...

A laboratory centrifuge is provided at the upper end of its drive shaft (1) with a head piece (2) which contains a gap-shaped opening (3). A frustoconical receiving cone (6), which can be placed on the head piece (2), contains tapped bores (7,8) in the radial direction into which threaded pins (9,10) can be introduced. The threaded pins (9,10), provided with a conical tip, engage in conically wide...

A control device of a component vehicle route guidance system, the system comprising an on-board section having a navigation computer, and a vehicle-installed display for indicating the driver information data of the system. The control device is constructed as a portable hand-operated unit including a route computer, operating means and its own display, allowing the preselection of the route func...

A wedge arrangement for affixing a tool mounting means onto a base member in such manner that substantially no wear occurs between the mounting means and base member. The mounting means has a tapered portion which is wedgingly received within a correspondingly tapered cavity provided in the base member, and that part of the base member which defines the tapered cavity completely surrounds that par...

PURPOSE:To decrease remarkably the flaw such as mobbling of tread rubber by forming the padding part having a taper at least one part of the direction side in which a knife blade comes out at mold opening. CONSTITUTION:At the portion where a knife blade 11 on the inner peripheral surface of two tread rings 10 is inbeded, and at least one part of the direction side 12 in which the knife blade 11 co...

An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2) and which is provided with heating means for applying a sheath (1) impregnated with a resin against the inner wall of said duct (C). After partial polymerization at least of the resin, the sheath (1) adheres to the inner wall of the duct. Th...

Ferrous swarf, that is the waste material from milling, boring operations etc. is subjected to a heat treatment, typically carbonitriding to harden it, and then crushed to provide material for use as blasting shot or as a sintering powder. The shot is characterised by angular pieces, hardness and durability.

A fresh baker's yeast preparation of greater stability is provided in which a hydrophobic additive which assists in the free flow properties of moist bulk materials, for example hydrophobic silicon dioxide, is added in from 0.01 to 5% by weight of yeast optionally a hydrophilic substance can be added for example hydrophilic silicon dioxide.