Abstract: In a method for producing a pipe connection by press fitting, the following steps are carried out to increase the burst pressure: placing a press fitting onto two pipe ends to be connected to one another; compressing the press fitting against one of the two pipe ends by plastically deforming the press fitting and the pipe end to form a bulge and a first indentation; once again compressing the press fitting against the same pipe end at a distance (a) from the first compression point by plastically deforming the press fitting and the pipe end, thereby forming a second indentation; and connecting the press fitting to the second pipe end.

Abstract: In a method for producing a pipe connection by press fitting, the following steps are carried out to increase the burst pressure: placing a press fitting onto two pipe ends to be connected to one another; compressing the press fitting against one of the two pipe ends by plastically deforming the press fitting and the pipe end to form a bulge and a first indentation; once again compressing the press fitting against the same pipe end at a distance (a) from the first compression point by plastically deforming the press fitting and the pipe end, thereby forming a second indentation; and connecting the press fitting to the second pipe end.

Abstract: A press tool, such as a press sling for pressing in particular tubular workpieces, comprises a plurality of articulated press elements connected to one another in the form of a chain. The press tool is open between two end press elements for forming a closing site between two end press elements. In order to unlatch the press tool from a closed position in which the closing site is substantially closed, a handling element is provided according to the disclosure. Said tool alternatively also serves for releasing a press jaw mounted on a press jaw carrier.

Abstract: A press tool, such as a press sling for pressing in particular tubular workpieces, comprises a plurality of articulated press elements connected to one another in the form of a chain. The press tool is open between two end press elements for forming a closing site between two end press elements. In order to unlatch the press tool from a closed position in which the closing site is substantially closed, a handling element is provided according to the disclosure. Said tool alternatively also serves for releasing a press jaw mounted on a press jaw carrier.

Abstract: In a process, a pipe (1) is connected to a press fitting (2) which has a cylindrical section (3) and a radially outward-projecting annular bead (5) at each end which, at the free end of the press fitting (2) has an inwardly directed bead shoulder (8) and internally forms an annular groove (10) in which is fitted a sealing ring (11). In order to make the connection, the press fitting (2) and the pipe (1) are inserted one into the other and the annular bead (5) and the cylindrical section (3) are pressed radially inwards with the plastic deformation of the pipe (1) as well. This is done by pressing the bead shoulder (8) into the pipe (1) to form a first narrowing (44), and a second narrowing (43) is formed in the pipe by pressing the cylindrical section (3) at a distance from the first narrowing (44) such that the shaping of the second narrowing (43) is separated from the first (44) In such a way that the first narrowing (44) has a radially outwardly projecting section (47) towards the second.

Abstract: A press tool for joining workpieces has a wraparound ring consisting of hinged clamping components, in which the press tool is open at at least one closing point between the clamping components and has grips at that position for a closing device by means of which the clamping components can be brought together to form a closed ring. In order to facilitate handling the press tool especially with large pipe diameters, there is at least one coupling member (49, 50) by means of which the adjacent clamping components (6, 10) can be temporarily connected, the coupling member (49, 50) being designed so as to be flexible in the coupled position in the closing direction.

Abstract: A press tool for joining workpieces has a wraparound ring consisting of hinged clamping components, in which the press tool is open at at least one closing point between the clamping components and has grips at that position for a closing device by means of which the clamping components can be brought together to form a closed ring. In order to facilitate handling the press tool especially with large pipe diameters, there is at least one coupling member (49, 50) by means of which the adjacent clamping components (6, 10) can be temporarily connected, the coupling member (49, 50) being designed so as to be flexible in the coupled position in the closing direction.

Abstract: A diagnostic medium contains at least one physiologically well tolerated complex salt comprising an anion of a complexing acid and one or more central ion or ions of an element with an atomic number of 21 to 29, 42, 44 or 57 to 83 and, optionally, one or more physiologically biocompatible cation or cations of an inorganic and/or organic base or amino acid, optionally, with additives customary in galenic formulations, dissolved or suspended in an aqueous medium.

Abstract: A diagnostic medium contains at least one physiologically well tolerated complex salt comprising an anion of a complexing acid and one or more central ion or ions of an element with an atomic number of 21 to 29, 42, 44 or 57 to 83 and, optionally, one or more physiologically biocompatible cation or cations of an inorganic and/or organic base or amino acid, optionally, with additives customary in galenic formulations, dissolved or suspended in an aqueous medium.

Abstract: A diagnostic medium contains at least one physiologically well tolerated complex salt comprising an anion of a complexing acid and one or more central ion or ions of an element with an atomic number of 21 to 29, 42, 44 or 57 to 83 and, optionally, one or more physiologically biocompatible cation or cations of an inorganic and/or organic base or amino acid, optionally, with additives customary in galenic formulations, dissolved or suspended in an aqueous medium.

Abstract: A diagnostic medium contains at least one physiologically well tolerated complex salt comprising an anion of a complexing acid and one or more Gadolinium ions and, optionally, one or more physiologically biocompatible cation or cations of an inorganic and/or organic base or amino acid, optionally, with additives customary in galenic formulations, dissolved or suspended in an aqueous medium.

Abstract: Nonionic compounds of the formula ##STR1## wherein X is --CONR.sub.1 R.sub.2, --COOR.sub.3, --CH.sub.2 NHR.sub.7 or --CH.sub.2 OH; Y is --1R.sub.1 R.sub.2 or --OR.sub.3 ; and Z is --NR.sub.1 R.sub.2, --NHR.sub.7 or --OR.sub.3 ; and wherein R.sub.1 R.sub.2 and R.sub.3 in X, Y or Z, and R.sub.7 in X and Z, are identical or different, R.sub.1 and R.sub.2, and each is hydrogen, C.sub.1-6 -alkyl or C.sub.2-8 - alkyl substituted by 1-5 OH groups and/or by a C.sub.1-3 -alkoxy group; R.sub.3 is C.sub.1-4 -alkyl or C.sub.2-4 -alkyl substituted by 1-2 OH groups and/or by a C.sub.1-3 -alkoxy group; and R.sub.7 is an acyl group of a C.sub.2-5 OH group and/or by a C.sub.1-3 -alkoxy group are highly advantageous X-ray contrast agents.

Abstract: Agents useful for influencing the relaxation times in NMR diagnostics, contain at least one paramagnetic, physiologically compatible complex salt comprising a chelate from an open-chain or cyclic complex-forming compound containing organic nitrogen, phosphorus, oxygen and/or sulfur, and a complexed ion of the lanthanide elements of atomic number 57-70 or of the transition metals of atomic numbers 21-29, 42 and 44, and, optionally, an inorganic or organic base or acid, wherein said chelate complex is bound to a biomolecule.

Abstract: Agents useful for influencing the relaxation times in NMR diagnostics, contain at least one paramagnetic, physiologically compatible complex salt comprising a chelate from an open-chain or cyclic complex-forming compound containing organic nitrogen, phosphorus, oxygen and/or sulfur, and a complexed ion of the lanthanide elements of atomic number 57-70 or of the transition metals of atomic numbers 21-29, 42 and 44, and, optionally, an inorganic or organic base or acid.

Abstract: Novel N-hydroxyethylated 2,4,6-triiodoaminoisophthalic acid bistrihydroxybutylamides of Formula (I) ##STR1## wherein R is a trihydroxybutyl residue, are excellently suitable, due inter alia, to their outstanding compatibility and high water solubility, as opacifying compounds in X-ray contrast media for use in X-ray diagnostic examination methods.

Abstract: The press includes a press table, a tup mounted with respect to the press table to define a press gap for receiving material to be pressed. An endless conveyor band is disposed around each of the table and the tup for conveying the material to be pressed into the press gap. Each conveyor band is mounted by a plurality of rolls. The rolls are mounted to counter supports which comprise a plurality of change plates. The change plates contain roll bearings which mount the rolls. The change plates also contain a heating apparatus and cooling apparatus and are capable of being mounted to and removed from the table and the tup. Each change plate comprises at least one rod mounted on a first level through a roll bearing and through a web plate. Each web plate is attached on a second level to a pressure plate through a connecting rod. In this manner, the counter pressure of the material being pressed is transferred to the pressure plates and can be distributed over a wider area.

Abstract: Novel N-hydroxyalkylated dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides) have Formula I ##STR1## wherein R.sup.1 is a lower, linear or branched mono- or polyhydroxyalkyl residue,R.sup.2 is hydrogen, lower alkyl, or R.sup.1,R.sup.3 is lower mono- or dihydroxyalkyl, andX is a direct bond or linear or branched alkylene, which can be interrupted by one or more oxygen atoms or substituted by hydroxy or alkoxy groups.The novel dimeric compounds of Formula I possess good pharmacological and physicochemical properties making them very advantageous as radiopaque agents in all fields of application for water-soluble, iodine-containing X-ray contrast media.

Abstract: The press contains a platen and a ram adjustably mounted with respect to the platen to define a press gap for receiving material. A first conveyor band is disposed around the platen and a second conveyor band is disposed around the ram. A plurality of rolls for supporting and guiding the first and second bands are mounted to the platen and ram, respectively. Countersupports are provided for the rolls. The countersupports comprise a plurality of change plates, each of which is capable of being mounted to and removed from a platen or ram. Each change plate includes a first rod mounted in a first level and connected in supporting relation with one of the rolls. A plurality of T-shaped web plates are connected to the first rod in the first level and to a pressure plate in a second level whereby counter-pressure from the material being pressed is transferred to the pressure plate.

Abstract: Unsymmetrically substituted dicarboxylic-acid-bis-(2,4,6-triiodo-anilides) of formula I ##STR1## wherein X is straight-chain or branched alkylene interrupted by one or more oxygen atoms,R.sup.1 is --NHacyl, --CH.sub.2 NHacyl, or --CONHR.sup.3 wherein R.sup.3 is hydrogen or a lower straight-chain or branched optionally mono- or poly-hydroxylated, alkyl residue, and where any hydroxyl groups present may be functionally modified, andR.sup.2 is hydrogen or lower alkyl, and their salts,are extraordinarily well suited, in view of their good pharmacological and physico-chemical properties, as water-soluble x-ray contrast media for all fields of application, in particular for i.v. cholegraphy and for computer tomography.

Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydroxy-C.sub.2-8 -alkyl containing 1-5 OH-groups;R.sup.2 is hydrogen, C.sub.1-4 -alkyl or R.sup.1 ;R.sup.3 and R.sup.4 can be identical or different, and each independently is hydrogen or C.sub.1-4 -alkyl; andX is straight chain or branched C.sub.2-12 alkylene interrupted by sulfur or selenium atoms, and, optionally, additionally interrupted by oxygen atoms, by a di(C.sub.1-4 -alkyl)silyl group or a tetra(C.sub.1-4 -alkyl)disiloxane group;are very useful as X-ray contrast media opaque agents, which can be employed even in lymphography.