Application to machining by electroerosion particularly of complex-shaped pieces.

The mould for producing form castings of resin cast by reaction is formed of two parts (16, 18) providing a form cavity (20).

Tube elements, i.e. pipes, shaped pieces and armatures of weldable synthetic material, are interconnected by electric welding.

Application to machining by electroerosion particularly of complex-shaped pieces.

The mould for producing form castings of resin cast by reaction is formed of two parts (16, 18) providing a form cavity (20).

The fasteners can comprise complementary hook-and-loop interlocking fabric pieces.

The magnetic circuit is formed by one or two U-shaped members coupled with the said coil.

The remaining parts of the industry hall are placed in a suitable way inside the frame of the container formed in this way.

The framework (1) is provided with several frame parts (3), which are arranged in pitched-up condition of the sheltering tent in fanshaped manner to radiate from at least one hinge device (21), on which at least two of the frame parts are swung.

For this purpose, the cells (1) are provided with double ringshaped pieces (9) made of electrically non-conductive material.

Magnets (8a) of rare earth magnetic material with hubless pole pieces (5a) and pole piece spacers in the form of square section annular rings (7a) are utilised.

The connections are interconnected by junction pieces (7) of semi-toric shape arranged at each side, at respective ends.

Chance means, cards (6), playing pieces (14) and script are also provided in a booklike binder (11).

Application to plants for coating parts, particularly metal parts.

The first step is to determine whether they are gold bullion coins—basically, gold minted into coin form—or numismatic coins.