Abstract: A method of combatting plant nematodes which comprises applying to the soil or the plant, an effective amount of a compound of general formula I ##STR1## wherein Ar, X, R.sub.1, R.sub.2, R.sub.4 and R.sub.5 have the meanings given in the description, is described. Some of the compounds also form part of the invention.

Abstract: A device for use with sewing machines for transport of work pieces. The transport device removes finished workpieces from a sewing area and feeds the workpieces to a transfer point at which the end section of the work piece is held with little force to allow the workpiece to be gripped by a stacking element. The arrangement allows for the next workpiece to be inserted into the sewing area simultaneous with the removal of the finished workpiece. The transport device includes a swivelable arm carrying a driven conveyor belt. The arm may be swivelled upward once the front section of the work piece has been moved underneath the swivelling axis of the arm, so that a new workpiece can be inserted. The conveyor belt can be arrested before the end section of the workpiece passes through. The conveyor belt contact pressure can be reduced such that the work piece can be pulled out easily by a stacker.

Abstract: There are described new 2-imino-1,3-dithietanes of general formula I ##STR1## in which R is the group ##STR2## in which A is CFHal, C(CH.sub.3)C.sub.1-4 -alkyl, C(CH.sub.3)CHal.sub.3, C(CH.sub.3)CF.sub.2 Cl, C(CH.sub.3)CFCl.sub.2, C.sub.2 H.sub.4, C.sub.2 H.sub.3 Hal, C.sub.2 H.sub.2 Hal.sub.2, C.sub.2 HHal.sub.3, C.sub.2 F.sub.2 Cl.sub.2, C.sub.2 F.sub.4 or C.sub.2 F.sub.3 Cl, in which Hal is F or Cl,Y is nitrogen or CH,R.sup.1 is fluoro-C.sub.1-12 -alkyl, fluoro-C.sub.2-12 -alkenyl, fluoro-C.sub.2-12 -alkynyl, fluorocyclopropyl or fluorocyclopropylmethyl;X is oxygen or sulphur,2 is defined in the specification andn is 0, 1 or 2,as well as their acid addition salts, a process for their preparation and their use as pesticides. The new compounds are especially useful as nematicides.

Abstract: A housing for a sewing machine which has a base portion, an upright portion extending upwardly from the base portion and an arm portion extending outwardly from the upright portion and overlying the base portion comprises a housing construction extending over said portions having flat outer surfaces, and means defined on said surfaces for affixing attachment units.

Abstract: A feed drive for the work holder of a zig-zag stitch group sewing machine comprises a rotatable cam plate and a work holder which is engaged with the plate and moved thereby within a rectilinear guide arranged adjacent the head portion of the sewing machine. The work holder is located adjacent the needle and it includes a driver plate which extends below the sewing machine arm portion and grips the workpiece from above. The cam plate is arranged in a standard of the machine and the work holder is driven by engagement of a sensing element in a groove of the cam plate which is connected to the work holder through a lever drive acting on a rotatable shaft arranged below the arm of the machine and connected with a crank and a link with a slide carrying the work holder which is disposed in a guide. The construction includes a seating for the workpiece which is movable parallel to the guide and is coupled with the driving plate.

Abstract: A feed drive for a stitch group sewing machine includes a cam plate serving to drive a work clamp. The cam plate is connected to a controllable clutch driven from the drive motor of the sewing machine. In order to keep the stitch length constant at varying lengths of the stitch group, the output speed of the clutch is controllable by a control device as a function of the rotational speed of the sewing machine of the transmission ratio of a gearing between the cam plate and the work clamp which determines the length of the stitch group, and of the adjusted stitch length. The stitch group to be sewn may be divided into two sections having their stitch lengths variable independently of each other, by providing that a switch responsive to a partial revolution of the cam plate corresponding to the length of the first section, alternately connects one of two potentiometers which determine the stitch length, to the control circuit of the clutch.

Abstract: A sewing machine with a drive for a work clamp comprises two slides movable relative to each other, one carrying the work clamp and the other carrying two tail wheels and an endless belt trained thereabout. Two stepping motors which can selectively be run in the same or in opposite directions are engaged each with a respective one of the belt strands, so that with the motors running in opposite directions, the two slides move in the lengthwise direction, while with a run in the same directions, only the slide directly carrying the work clamp is moved, namely transversely. In another embodiment, the slide directly carrying the work clamp is non-rotatably connected to one of the tail wheels.

Abstract: A feed drive for a stitch group sewing machine includes a cam plate serving to drive a cloth clamp and it is connected with a separate motor. In order to keep the stitch length constant at varying length of the stitch group, the motor speed is controllable by a control device as a function of the rotational speed of the sewing machine, of the transmission ratio of a gearing between cam plate and cloth clamp which determines the length of the stitch group, and of the adjusted stitch length. The stitch group to be sewn can be divided into two sections with a stitch length variable independently of each other, in that a path-dependent switch operable after a partial revolution of the cam plate corresponding to the length of the first section alternately connects one of two potentiometers which determine the stitch length, with the motor control circuit.

Abstract: The cloth clamp comprises a pivot arm provided with a clamp foot, which arm can automatically assume a closed position through a toggle lever drive, a setting lever connected therewith, and an extension spring acting on the setting lever counter to the force of a leaf spring packet acting on the toggle lever drive. An actuating mechanism is needed only for opening the cloth clamp.

Abstract: A sewing machine comprises a sewing machine support arm with a cloth feeding plate mounted on the support arm over which the material to be sewn is fed. A stop element is mounted on the support arm and it overlies the cloth feeding plate and it includes a portion which defines a material stop against which the material to be sewn may be positioned. The stop is made of a compressible material and it is compressible in the direction toward the feeding plate. A presser plate associated with the machine may advantageously be in the form of a button clamp may be moved downwardly into engagement with the stop which is raised slightly above the material and compress it downwardly until the plate clamps the material in place for the sewing operation.

Abstract: A looper lubricating device for a sewing machine includes an oil line having an inlet submerged within an oil supply and a capillary member within the oil line at a spaced location from the inlet and the oil supply. An outlet of the oil line is in fluid communication with an injection nozzle and the capillary member protrudes through the outlet of the oil line into a mixing chamber within the injection nozzle. A gas conduit communicating with the mixing chamber is operative to intermittently produce a pressure gradient between the inlet and the outlet of the oil line to pass oil to the mixing chamber.

Abstract: A sewing machine for wrapping button shanks comprises a holder for a workpiece to which a button is attached by means of shank loops. To adjust the work holder to the length of the shank loops, two spaced apart holding elements are provided by which the work is separated from the button and which can be positioned at the desired distance from each other. To cut the sewing thread, a cutting blade is displaceable in one of the holding elements and the cutting edge of the blade is movable transversely to the needle path, between the inserted shank loops and a rotary hook.

Abstract: A pesticide which contains at least one compound of the formula ##STR1## in which Hal is halogen. The compositions have both a fungicidal and nematicidal action and have a high compatibility with agriculturally and horticulturally useful plants.

Abstract: Salts of carbamic and thiocarbamic esters are used having fungicidal and fungistatic action, said salts having the general formula ##STR1## wherein R is an aliphatic hydrocarbon radical with preferably 2 to 4 carbon atoms, X is oxygen or sulfur, and n is an integer from 2 to 4, with an inorganic or organic acid.

Abstract: New 1,3,4-thiadiazoles substituted in the 2 and 5 positions for use as soil and seed fungicides, nematocides and the processes therefor.

Abstract: The specification discloses the preparation and use, as fungicides and nematocides, of 2,5-substituted-1,3,4-thiadiazoles having the structure: ##STR1## wherein R.sub.1 is a lower haloalkyl and R.sub.2 is an aliphatic hydrocarbon.The instant invention is directed to methods for the control of fungi and nematodes in soil and seeds and to compounds useful in such methods. In another aspect, the invention is concerned with the preparation of 2,5-substituted-1,3,4-thiadiazoles and formulation for agricultural use in which such compounds are the principal biocidal ingredient.

Abstract: A roll calender, for calendering rubber or synthetic plastics materials and including roll counter bending means and roll oblique positioning means, wherein at least one roll of the calender has journal portions at the ends thereof supported in main support bearings and outer end portions of the journals engaged in spherical bearings, an outer portion of each spherical bearing has each of its two opposite sides rigidly connected to a respective hydraulic cylinder, each hydraulic cylinder has a piston therein with the piston secured to a vertical piston rod, intermediate the ends of the piston rod, such that counter bending of the roll can be effected by pressurisation of the hydraulic cylinders selectively above or below the pistons, and the ends of the piston rod are engaged in respective grooves in respective fixed support members such that said ends are movable horizontally in said grooves in directions substantially perpendicular to the axis of the roll to allow the axis of the roll to be moved into obliq