Treatment of filament-forming or like material (working of plastics or substances in a plastic state, in general B29)

Child Classifications

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• D01D 1/02 Preparation of spinning solutions
• D01D 1/04 Melting filament-forming substances
• D01D 1/06 Feeding liquid to the spinning head (constructions of pumps F04)
• D01D 1/10 Filtering or de-aerating the spinning solution or melt