Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of BE400147ApublicationCriticalpatent/BE400147A/xx
D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
D01G15/86—Card clothing; Manufacture thereof not otherwise provided for with flexible non-metallic backing
G—PHYSICS
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
G03F5/00—Screening processes; Screens therefor
G03F5/02—Screening processes; Screens therefor by projection methods