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Publication of NL6613031ApublicationCriticalpatent/NL6613031A/xx
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
D01D4/00—Spinnerette packs; Cleaning thereof
D01D4/02—Spinnerettes
D01D4/022—Processes or materials for the preparation of spinnerettes
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
B21D31/02—Stabbing or piercing, e.g. for making sieves
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
B23H9/14—Making holes
B23H9/16—Making holes using an electrolytic jet
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Engineering & Computer Science
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Mechanical Engineering
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Textile Engineering
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Physics & Mathematics
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Thermal Sciences
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Spinning Methods And Devices For Manufacturing Artificial Fibers
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