arrangement of the levers 18 39 19 39 is similar to that of the levers 18 19 in the earlier embodiment each of the units 33 through 40 is associated with a counterweight 20 39 and two operating cylinders 21 39 as well as two or more of the probe elements of the detector array 13 shown in fig1 and 2 each pair of levers 18 39 19 39 also has a lateral support 29 39 with an abutment surface for the piston rods of the operating cylinders 21 39 with this embodiment the apparatus may be divided into two or more adjacent operating areas whereby it is adaptable to use with one feed path or a number of paths the further elements and parts necessary to complete and operate the apparatus are not illustrated in the drawings because they are either known or obvious also not shown is the manner of coating of the textile pieces 10 and the detailed construction of the compressing cylinder 12 necessary with the use of a deep pressure method or of the coating doctor blade necessary with the use of a high pressure method it is also known to coat the textile pieces 10 in lines or stages whereby the plastic is supplied to the compressing cylinder 12 in the form of a paste the method of operation of the apparatus according to fig1 and 4 is as follows the textile piece 10 placed on the transport belt 15 of the apparatus by the operating person.