Abstract: This invention relates to the fritting of ceramic products, in particular ceramic products of small or of very small dimensions, for example those intended for use in the electronics industry.A process for fritting ceramic products wherein the products to be fritted which have been preheated to a given temperature are directly exposed to a hyperfrequential electro-magnetic field to raise the products to a temperature which causes fritting.

Abstract: A continuously circulating work processing conveyor comprising at least one processing drum of which peripheral compartments receive work carriages, each work carriage being linked to the following work carriage by a connection of which the length between any two consecutive carriages is always substantially the same and which is disposed so that the various carriages can be oriented differently from one another about axes perpendicular to their plane of advance.

Abstract: This invention relates to a method and apparatus for the continuous production of link-chains comprising alternate inner links and outer links, two inner links being connected by an outer link, each inner link being formed by a lower plate and by an upper plate, each of which is provided with two coaxial holes receiving a bush carrying a freely rotatable roller, each outer link comprising a lower plate and an upper plate joined by two pins inserted to pass through the corresponding bush of the inner link, to which the outer link is connected.