Abstract: An apparatus for application of liquids to a continuously conveyed outer layer having a rotating plate which is horizontal and parallel to the outer layer or with a deviation of up to 15° from horizontal, wherein a liquid applied to the rotating plate is ejected centrifugally from the rotating plate via rotation and then, via gravity, passed onto the outer layer below the rotating plate, is provided.

Abstract: The invention relates to a process for producing rigid polyurethane and polyisocyanurate foams by reacting polyisocyanates a) with compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) in the presence of blowing agents c), wherein prepolymers which comprise isocyanate groups and have an NCO content in the range from 25 to 31% by weight, based on the weight of the prepolymer, and are prepared by reacting ai) mixtures of monomeric and polymeric diphenylmethane diisocyanate with at least one compound having more than one hydrogen atom which is reactive toward isocyanate groups aii) are used as polyisocyanates a) and the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) comprise at least one polyester alcohol bi) which comprises at least one starting component which is hydrophobic.

Abstract: The invention relates to a process for production of composite elements composed of at least one outer layer a) and of an rigid isocyanate-based foam b), where between the outer layer a) and the rigid isocyanate-based foam b) an adhesion promoter c) has been applied, and where the outer layer a) is continuously moved and the adhesion promoter c) and the starting material for the rigid isocyanate-based foam b) are applied successively to the outer layer, which comprises applying the adhesion promoter c) by means of a rotating plate which has been installed horizontally or with a deviation of up to 15° from horizontal, preferably parallel to the outer layer.

Abstract: A method and arrangement for identifying and finding the grippers of a gripping conveyor used to transport printed products. The gripping conveyor is divided into a number of sections wherein the length of each section is sufficiently short to enable length variations of the section to be avoided in operation. A group of grippers at the end of each section form an identification code for the following section. The code may be compiled by virtue of each gripper in the group either carrying or not carrying a marker, such that the grippers will form a binary code. The gripper located before the code may carry a marker which indicates the beginning of the code and the beginning of the following section. A sensor senses the code and thereby finds the section of interest. A given gripper within the section can then be found by its position in the section. A gripper counter which senses the serial number of the gripper in the section may also be used.