Abstract: The invention relates to apparatus for the transverse and/or longitudinal machining of wooden workpieces, comprising a workpiece carriage for mounting a workpiece or a plurality of workpieces thereon and adapted to be displaced in the direction of the X-axis of a spatial X-Y-Z coordinate system along at least one transverse machining tool itself adapted to be displaced in the Y- and/or Z-axis for the machining operation. The object of the invention is to provide an apparatus of the above indicated type, which is of simple construction and by means of which the transverse machining of a workpiece can be carried out in a single mounting position of the workpiece and at a single machine location. In order to attain this object, the invention provides that the workpiece carriage comprises a mounting table adapted to be tilted about an axis parallel to the X-axis.

Abstract: Apparatus for copy-machining a workpiece includes a disk miller assembly acting as a shaping tool and a grinding belt extending between return pulleys and acting as a surface finishing tool assembly, both of the tool assemblies are mounted on pivot arms for pivotal displacement about pivot axes, carried on a common feed device and adapted to be advanced along a workpiece mounted in a clamping device under the control of a scanner scanning a model, the disk miller rotating about an axis extending parallel to the rotary axis of the workpiece as defined by the clamping device. The grinding belt is driven to rotate adjacent the disk miller in a plane extending parallel to the plane of rotation thereof. The pivot axis of the pivot arm associated with the grinding belt assembly is axially aligned with the pivot axis of the disk miller assembly.

Abstract: A substituted carbanilic acid ester of the formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkinyl, chlorinated C.sub.1 -C.sub.6 -alkyl or phenyl-C.sub.1 -C.sub.5 -alkyl, R.sub.2 is hydrogen or chlorine, R.sub.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl, R.sub.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl which latter may also be substituted, R.sub.5 is halogen, and R.sub.6 is hydrogen or halogen. The compounds of the invention have a surprisingly high compatibility with rice, wheat, barley, oats, rye, and agricultural grasses when applied in a postemergence procedure. They also have a high activity against weeds of various resistant genera.

Abstract: An improvement in a contour copying machine having means for supporting at least one pattern and at least one workpiece rotatably about parallel respective pattern and workpiece longitudinal axes, means for synchronously rotating the pattern and the workpiece about the respective axes, at least one copying roller engageable with the pattern, and at least one tool engageable with the workpiece, the copying roller and the tool being rigidly interconnected and synchronously movable about the respective longitudinal axes, and means for urging the copying roller and the tool against the pattern and the workpiece, respectively, for machining the workpiece and accurately reproducing therein the contours of the pattern, the improvement comprising: a rigid support frame for supporting and rigidly interconnecting the copying roller and the tool in proximate relation to one another, traction means connected to the support frame at points thereon situated symmetrically with respect to the copying roller, and biasing mean

Abstract: An improvement is disclosed in apparatus for copy-machining a workpiece from a master model, the apparatus being moved along the workpiece by a feed mechanism in response to the scanning of the master model. The improvement comprises a first tool and a second tool mounted on the feed mechanism, a pivot arm for supporting the second tool for movement relative to the first tool in the direction of movement along said workpiece, and means for locking said pivot arm and second tool at a desired position, said first and second tools engaging the workpiece in staggered relationship to one another, with reference to the direction of movement along said workpiece, wherein the relative positions of said first and second tools are adjustable by movement of the second tool in response to movement of the pivot arm and locking the pivot arm and second tool at the desired position. Apparatus is also disclosed wherein the pivot arm is situated substantially orthogonal to the direction of movement along said workpiece.

Abstract: A 1,2,4-oxadiazole derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 are the same or different and are C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, halogeno-C.sub.1 -C.sub.3 -alkyl, phenyl, or phenyl substituted in one or several places by C.sub.1 -C.sub.4 alkyl, and/or C.sub.1 -C.sub.4 -alkoxy and/or trihalogenomethyl and/or halogen and/or cyano or are phenyl-C.sub.1 -C.sub.3 -alkyl, provided that at least one of R.sub.1 or R.sub.2 is constituted by the group ##STR2## in which R.sub.3 is C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, halogeno-C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.4 -alkamino or di-C.sub.1 -C.sub.4 -alkamino. The compounds of the invention have a high activity against both mono- and di-cotyl weeds together with a high selectivity for agricultural plants such as rice, winter cereals, maize, cotton, sunflower, peanuts, soybeans, peas, alfalfa, clover and other leguminous plants.

Abstract: A 45.degree. rotary mirror illuminates a detector through an optical colling system and while facing downwards picks up a direct or primary line scan of objects located below in the plane of scanning. While facing upwards, the rotary mirror picks up a secondary line scan indirectly from below by reflection from a non-revolving plane mirror at an acute angle to the axis of rotation of the rotary mirror, which angle corresponds to the base angle of stereo scanning when the primary line scans are correlated with corresponding secondary line scans that respectively precede them by an interval corresponding to the travel time of the movable craft upon which the line scanner is carried along a base line distance determined by the inclination of the non-revolving plane mirror. That inclination is adjustable about a hinge axis perpendicular to the direction of travel of the carrying aircraft or spacecraft.

Abstract: This invention relates to apparatus for copy-grinding workpieces consisting particularly of wood or a similarly grindable material, e.g. aluminum, and having an uneven surface, such apparatus comprising a rotatable clamping device for receiving a workpiece therein and at least one driven grinding tool positively controlled by a scanning roller scanning a master model and adapted to be advanced along the workpiece in the direction of the axis of rotation by an advancing mechanism.

Abstract: This invention relates to a duplicating grinding machine for grinding workpieces of irregular three-dimensional shape, wherein a model and at least one workpiece are mounted side by side in spaced parallel relation to one another between clamping devices so as to be synchronously rotatable about their longitudinal axes, said model and each of said workpieces having associated therewith two carrier arms each, one carrier arm associated with said model and at least one carrier arm associated with said workpiece being interconnected to form a unit and adapted to be brought into pressing engagement with said model and said associated workpiece, respectively, with one carrier arm of a first interconnected unit carrying a scanning roller for scanning said model and adapted to be translated along the length of said model and each other carrier arm of said first unit carrying a motor-driven belt grinding assembly having an endless grinding belt looped around a return roller and a contact roller, and with one carrier

Abstract: A heavy duty conduit is disclosed for services such as oxygen supply to lances and torches and includes plural metallic strands which are twisted together with a central channel therein to form a duct for the gaseous medium, an impervious sheath enclosing the duct, and a helical insert in the central flow channel of the duct to preclude inward shifting of the strands and consequent disturbance of the flow channel and to provide turbulent flow of the gaseous medium therethrough.

Abstract: Disclosed is a machine for grinding edge areas of slab formed parts including a pair of grinding units pivotally supported on opposite sides of a part clamped for rotation. Pressure elements carried by the frame press the grinding belts against the formed part. Means are provided for adjusting the direction of approach of each grinding belt in accordance with the rotational position of the part so that the angles formed by the belt and the formed part as the belt approaches and leaves the formed part are generally equal to one another.

Abstract: At least one workpiece is rotated synchronously with a model in a contour-copying lathe. A feeler engages the model and is linked to a tool similarly engageable with the workpiece so that as the feeler rides up and down and travels along the model the synchronously displaced tool similarly shapes the workpiece. Those preshaped regions on the model corresponding to the surfaces on the workpiece which are not to be shaped are provided with extensions so that the tool is lifted from the workpiece at these preshaped surfaces.

Abstract: A fastener element is oriented by rolling the element along a friction surface until a projection on the back of the element engages a ledge extending along the path of movement of the element such that the element then slides with a predetermined orientation. Additionally, an orienting element having a sinuous edge for orienting double pronged elements can be retracted.

Abstract: An apparatus for attaching fastener elements and the like to articles includes an indicator extending downward from a slide bar which advances one of a pair of mating elements to an upper station. The indicator points out the position on an article where the fastening elements will be secured to the article and is automatically retracted when the slide bar is retracted. Additionally, detent members are provided on resilient guide bars for holding elements in an intermediate position along a slide path, and a ram is provided with vertical extensions to maintain orientation of a fastener element.

Abstract: A contour-copying machine in which a plurality or workpieces are spanned between headstocks and tailstocks and rotatable synchronously about respective parallel axes parallel to the rotation axis of a pattern with a feeler roller engaging the pattern and a plurality of tools linked to the feeler roller cutting the contour of the pattern into the workpieces is programmed so as separately to cut longitudinally extending planar surfaces in the workpieces and to form rounded contours along these workpieces. To this end the machine is indexed through a plurality of angular positions each corresponding to one of the planar surfaces and the pattern and workpieces are restrained from rotating as these longitudinally extending planar surfaces cut into them. Once all of the longitudinally extending planar surfaces are formed, the workpiece is rotated continuously and the tools cut the remaining rounded surfaces in these workpieces.

Abstract: An apparatus for shaping a wooden workpiece according to a template configuration has a carriage displaceable on a track parallel to a guide edge of a template clamped on a table to one side of the track. A workpiece is clamped to a table to the opposite side of the track. A slide is displaceable on the carriage transverse to the track and carries on one end a roller engaging the guide edge of the template and on its other end a driven tool for cutting the shape of the template into the workpiece. The slide is urged toward the workpiece so that virtually no lateral force is exerted against the workpiece, the guide edge acting as a stop positively determining the transverse position of the slide. Another template can support a second feeler roller which is connected via a chain or the like to the tool to raise and lower this tool according to the guide edge on the second template for two-sided cutting of the workpiece.

Abstract: A succession of wood workpieces is displaced by a conveyor past a plurality of finishing stations with the grain of the workpieces extending perpendicular to the transport direction. An abrasive surface of a finishing tool is displaced over the workpiece parallel to the grain direction at a peripheral speed equal to about 150 times the advance speed of the workpieces. These workpieces are wood chair seats formed with a surface depression and the abrasive surface is a sanding belt spanned over a vertically displaceable soft drum or cushion. The soft support for the sanding belt is displaced vertically by a cam arrangement to conform the path of travel of the sanding surface to the workpiece. The sanding region of one station is staggered transversely to the transport direction with respect to the other stations.