Abstract: A process for manufacturing a spinner for rotary fiberization is provided. The method may include providing a blank of a high temperature metal, deep drawing the blank using a punch and a die to form a cup structure, installing a multi-component mandrel assembly in the cup structure, cold working the cup structure to form an inwardly-directed annular lip, disassembling the mandrel assembly, and removing the individual mandrel components.

Abstract: An electrolytic process for metal-coating the surface of a workpiece of an electrically conductive material includes i) providing an electrolytic cell with a cathode defining the surface of the workpiece and an anode; ii) introducing an electrolyte of an aqueous solution containing one or more water soluble compounds of the metal or metals to be deposited into the zone created between the anode and the cathode in a manner such that the cathode is bathed but not immersed in the electrolyte; and iii) applying a voltage between the anode and the cathode such that an electrical plasma arc is maintained between the anode and cathode during the deposition of the metal-coating onto the surface of the cathode.

Abstract: An electrolytic process for cleaning the surface of a workpiece of an electrically conducting material, which process comprises:i) providing an electrolytic cell with a cathode comprising the surface of the workpiece and an inert anode;ii) introducing an electrolyte into the zone created between the anode and the cathode by causing it to flow under pressure through at least one opening in the anode and thereby impinge on the surface of the cathode, the surface of the cathode not otherwise being immersed in the electrolyte; andiii) applying a voltage between the anode and the cathode and operating in a regime in which the electrical current decreases or remains substantially constant with increase in the voltage applied between the anode and the cathode, and in a regime in which gas bubbles are present on the surface of the workpiece during treatment.

Abstract: An electrolytic process for metal-coating the pre-cleaned surface of a workpiece of an electrically conducting material, which process comprises:i) providing an electrolytic cell with a cathode comprising the workpiece and an anode comprising the metal for metal-coating of the surface of the workpiece;ii) introducing an electrolyte into the zone created between the anode and the cathode by causing it to flow under pressure through at least one opening in the anode impinge on the cathode; andiii) applying a voltage between the anode and the cathode and operating in a regime in which the electrical current decreases or remains substantially constant with increase in the voltage applied between the anode and the cathode, and in a regime in which discrete gas bubbles are present on the surface of the workpiece during treatment.

Abstract: An electrolytic process for simultaneously cleaning and metal-coating the surface of a workpiece of an electrically conducting material, which process comprises: i) providing an electrolytic cell with a cathode comprising the surface of the workpiece and an anode comprising the metal for metal-coating of the surface of the workpiece; ii) introducing an electrolyte into the zone created between the anode and the cathode by causing it to flow under pressure through at least one opening in the anode and thereby impinge on the cathode; and iii) applying a voltage between the anode and the cathode and operating in a regime in which the electrical current decreases or remains substantially constant with increase in the voltage applied between the anode and the cathode, and in a regime in which discrete gas bubbles are present on the surface of the workpiece during treatment.