Two rods are provided which are reciprocal between two end positions cooperating with two flexible retaining members, an electromagnet is located between the retaining members, the electromagnet includes a core having two flanged sections of different widths, an armature body each is mounted to the retaining members, the armature bodies are arranged such that they on the one hand abut flatly the b...

1. Apparatus for the titer control of spun threads of chemical fibres comprising a measurement device with a light source, an optical system and a light electrical receiver having at least one photodiode row, wherein a projection takes place onto the photodiode row of the shadow of the spun thread which is guided in an unambiguous orientation between the light source and the receiver, thereby obsc...

Shaped polyester articles having their surfaces modified with a stain-releasing finish and a process for modifying those surfaces are disclosed. The process subjects the polyester to a water-dispellable non-crystalline polymeric compound in an aqueous swelling environment.

An internal sizing agent for paper making which produces excellent sizing effect and which can be used in neutral to alkaline regions without the ordinarily employed fixing agent such as aluminum sulfate. The sizing agent contains a specific reaction product and/or hydrogenation product of said reaction product, said reaction product being prepared by adding maleic anhydride to branched internal o...