Abstract: A truss mounting brace (1) for use during installation of trusses (19, 21, 22). The truss mounting brace (1) may also be used as a permanent spacer between two trusses (19, 21, 22). The truss mounting brace (1) comprises a mounting section (4) arranged to be mounted on a truss (19, 21, 22), a gripping section (3) and an oblong body section (5) connecting the mounting section (4) and the gripping section (3). The gripping section (3) has a gripping mechanism (6) arranged to receive and to engage another element interlockingly. The present invention also relates to a method of installing two or more trusses, use of the truss mounting brace, and a method of manufacturing the truss mounting brace.

Abstract: A truss mounting brace (1) for use during installation of trusses (19, 21, 22). The truss mounting brace (1) may also be used as a permanent spacer between two trusses (19, 21, 22). The truss mounting brace (1) comprises a mounting section (4) arranged to be mounted on a truss (19, 21, 22), a gripping section (3) and an oblong body section (5) connecting the mounting section (4) and the gripping section (3). The gripping section (3) has a gripping mechanism (6) arranged to receive and to engage another element interlockingly. The present invention also relates to a method of installing two or more trusses, use of the truss mounting brace, and a method of manufacturing the truss mounting brace.

Abstract: An improved process for the preparation of 2,3,5,6-tetrachloropyridine of the formula ##STR1## consists in that 3,3,5-trichloroglutarimide of the formule ##STR2## is reacted either a. with phosphorus trichloride or phosphorus oxytrichloride or mixtures thereof in the presence from the start of catalytic amounts of hydrogen chloride, followed by a conversion of polyphosphorous compounds formed into phosphorus oxytrichloride by supplying chlorine, optionally only after supplying further phosphorus trichloride, orb. with phosphorus trichloride and chlorine, optionally in the presence of phosphorus oxytrichloride as a solvent, followed by a dehydrochlorination of the reaction mixture and finally conversion of polyphosphorus compounds formed into phosphorus oxytrichloride by supplying chlorine, optionally only after supplying further phosphorus trichloride.Improved yields of a purer product are obtained.

Abstract: An improved process for the preparation of 2,3,5,6-tetrachloropyridine of the formula ##STR1## consists in that 3,3,5-trichloroglutarimide of the formule ##STR2## is reacted either a. with phosphorus trichloride or phosphorus oxytrichloride or mixtures thereof in the presence from the start of catalytic amounts of hydrogen chloride, followed by a conversion of polyphosphorous compounds formed into phosphorus oxytrichloride by supplying chlorine, optionally only after supplying further phosphorus trichloride, orb. with phosphorus trichloride and chlorine, optionally in the presence of phosphorus oxytrichloride as a solvent, followed by a dehydrochlorination of the reaction mixture and finally conversion of polyphosphorus compounds formed into phosphorus oxytrichloride by supplying chlorine, optionally only after supplying further phosphorus trichloride.Improved yields of a purer product are obtained.