Abstract: Agents containing Salinomycin for oral administration to domestic animals which do not digest cellulose in the rumen, particularly pigs, are disclosed, for instance for the prophylaxis or treatment of disease and/or for improvement of growth.

Abstract: A securing device for releasably attaching the columns or legs of chairs, tables and the like. The securing device is fixedly mounted to the underside of the chair seat or table top and includes a receiver in which the column or leg is inserted. A gripper shoe can be advanced radially against the column to hold it in place. The radial displacement of the gripper shoe is caused by the force exerted by an eccentric stack of discs of different size which are assembled into an integral body that is rotated about an axis, thereby forcing the larger eccentric discs into camming engagement with mating extensions of the gripper shoe. Upon release of the eccentric, the column may be pushed out of its receiver by the upward motion of a handle which pivots about a ball joint resting on the eccentric body and exerts an axial downward force on the column to be removed.

Abstract: Agents containing Salinomycin for oral administration to domestic animals which do not digest cellulose in the rumen, particularly pigs, are disclosed, for instance for the prophylactic treatment of disease and/or for improvement of growth.

Abstract: A gas spring suitable as a lifting means for a car hatchback includes a device to hold the gas spring piston rod in its extended position with the hatchback fully open. Such holding device comprises a pair of check valves associated with the guide piston of the gas spring whereby one such check valve is spring-biased closed so that a substantial closing force is required to initiate closing of the hatchback.

Abstract: A height-adjustable chair or table pedestal having a hydraulically lifting cylinder and a piston rod telescopically extending therefrom is characterized by having the lower end of the piston rod mounted in the base of the device, with an energy source, hydraulic pump means and a lifting mechanism mounted as a sub-assembly out of view on the underface of the chair or table.

Abstract: A pharmaceutical combination preparation which comprises as active substances at least one compound selected from the group of the luteolytically effective prostaglandins or derivatives thereof and at least one compound selected from the group of the estrogenic substances, in a weight ratio of from 1:1 to 1:5,000, in admixture with the usual adjuvants and/or carrier material.

Abstract: A length-adjustable gas spring is provided with a by-pass valve comprising a piston sealing element and a depression in the inner tube of the gas spring so that when the piston sealing element is pushed to a position adjacent the depression, the valve is opened.

Abstract: A gas spring, particularly adapted as a lifting means for hatch backs or trunk lids of motor vehicles, comprises a piston rod acting as a displacement piston, a housing cylinder containing a compressed gas, a guide piston near one end of the piston rod and in slidable relationship with the interior of the cylinder housing, characterized in that the piston rod is provided with an extension projecting beyond the guide piston, the closed end of the cylinder housing having a complementary receptacle for the piston rod extension, whereby when the piston rod is fully retracted into the cylinder housing, the extension enters the complementary space in the housing in a sealing manner, a valve being provided to permit the escape of fluid from the space as the extension passes thereinto, whereby the force acting to extend the piston rod is reduced to zero or nearly zero in the vicinity of the fully retracted position of the piston rod.

Abstract: A device for releasably attaching a gas spring to the bottom of a chair comprises a cup shaped holding device having a tapered surface, a tapered gripping device and a bolt or the like for wedging the gripping device in the holding device against the gas spring.

Abstract: A lengthwise-adjustable, compressed-gas-filled gas spring, particularly for continuous height adjustment of chairs, seats, tables, or the like, has two cylinders, coaxially mounted one inside the other, and leaving an annular chamber therebetween. A piston and piston rod are displaceably provided within the inner cylinder, the piston sealingly dividing the cylinder into a first housing chamber, on the piston rod side, and a second housing chamber. The piston rod extends sealingly out of the cylinders. The first housing chamber has a fluid connection to the annular chamber at all times. The inner cylinder has a passageway therethrough near the end opposite the piston rod end, and is axially displaceable within the center cylinder between a first position at which the passageway is sealed off and a second position at which a fluid connection is allowed between the second housing chamber and the annular chamber.

Abstract: An adjustment assembly has two coaxially mounted cylinders fitting into one another with a piston displaceably mounted within the inside cylinder and dividing the inside cylinder into two fluid filled housing chambers. The piston is connected to a piston rod which is guided out of one end of the cylinder in a sealed manner. A pressure medium chamber is provided in the annular space between the cylinders and is separated in a fluid tight manner from fluid filled parts of the annular space by two axially displaceable separating pistons. The lower housing chamber has a fluid passageway to the lower portion of the annular space and the upper housing chamber has a fluid passageway to the upper part of the annular space. The inner cylinder may be axially displaced from outside the assembly to seal or open the upper passageway thus locking or unlocking the piston.

Abstract: A gas-spring comprises a two-part piston assembly, with an outer piston which slides axially between two stops with respect to the piston rod, a damping passageway, and a valve seat on the piston rod against which the sliding piston seats.