Abstract: The invention relates to a strapper for bank notes and a bank note processing apparatus having such a strapper. Especially reliable and fast strapping is possible if a guide for forming a strap loop around a bank-note bundle to be strapped that is brought into an inside area surrounded by the guide has elements for holding the strap only in its lateral edge areas when it is inserted into the guide, and when the strap is pulled it can be pulled together tightly out of the guide into the inside area around the bank-note bundle located therein.

Abstract: A method and apparatus for singling sheet material, in particular papers of value such as bank notes, checks, etc., for subsequent processing of single pieces of sheet material. To permit recognition of mix-ups in the singling order, maintenance of the singling order is checked at the place of singling by monitoring whether the next piece of sheet material to be singled is singled.

Abstract: The invention relates to an apparatus and friction singler for singling sheet material, such as bank notes or the like, having a sheet magazine for receiving a stack of sheets, a picking device with a singling cylinder or the like that has one or more friction elements for contacting and conveying the sheets to be singled from the sheet magazine, and a retaining device forming with the singling cylinder a singling gap through which sheets to be singled from the sheet magazine are conveyed successively.

Abstract: The invention relates to a strapper for bank notes and a bank note processing apparatus having such a strapper.

Abstract: By means of a 3,3'-dichlorobenzidine dihydrochloride suspension in hydrochloric acid, comprising the componentsa) 35 to 63.5% by weight of 3,3'-dichlorobenzidine dihydrochloride;b) 11 to 24% by weight of hydrogen chloride;c) and 25 to 55% by weight of-water, in each case relative to the total weight of the suspension (100% by weight) and with the proviso that the components a), b) and c) together make 100% by weight;and whose viscosity is in the range from 80 to 1400 mPa.s,3,3'-dichlorobenzidine dihydrochloride can be stably suspended in hydrochloric acid at high concentration and consequently low water content and at the same time a suspension having low viscosity can be obtained, so that the slurry flows out of containers without problems even after relatively long static storage.

Abstract: Intense azo pigment formulations which have good flow and are readily dispersible are obtained on adding a long-chain aliphatic primary amine and a diamine of the formulaH.sub.2 N--A--NH.sub.2in which A is an aliphatic hydrocarbon radical having 6 to 30 C atoms, before, during or preferably after the coupling. The formulations are in particular suitable for intaglio printing inks which produce glossy prints which do not even strike through thin papers.