A plastic textile material comprising a fiber web such as woven and knitted fabrics, felt or velvet. The web may be covered with plastic on one side by a backing or the web fibers may be plastic coated. The plasticized web has a minimum weight per square meter of at least 300 grams and a maximum weight of 1,500 grams. Both the web of fibers and its plastic coating can be butt-welded in a high freq...

A dot printer head in which a radial array of armatures are disposed opposite to a yoke and cores equipped with coils, and the armatures are actuated together with needles by exciting the coils to perform a desired printing operation. In this arrangement, a magnetic flux generated from each core flows to the yoke via the associated armature and then returns to the former core while partially flowi...