Abstract: An under thread bobbin exchange device for an industrial embroidery machine or sewing machine of a type having a hook shaft adapted for driving a shuttle, includes a carriage having at least two coupling shafts in parallel disposition to the hook shaft, each of said coupling shafts having a hook shaft distal end and a hook shaft proximal end, with the hook shaft proximal end capable of being coupled to the hook shaft such that the carriage is positioned at a right angle to the hook shaft when the hook shaft is at a standstill and capable to reciprocate in parallel disposition to a throat plate plane by the distance of the coupling shafts, and with each one of the hook shaft distal ends carrying a shuttle.

Abstract: A process for providing an article with a machine-made embroidery pattern in relief, includes the steps of placing a base material of paper and cardboard upon the article, embroidering an embroidery pattern on the base material and the article, and removing the base material in a water bath while subjecting the water bath to ultrasound.