D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01H—SPINNING OR TWISTING
D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
D01H5/24—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only with porcupines or like pinned rotary members
Procédé d'étirage et doublage des rubans de cardes ou peigneuses, avec assemblages et étirages multiples, en une seule opération, et machine pour la mise en pratique de ce procédé.