Textiles: fiber preparation – Assembling – Web forming
Patent
1991-03-26
1993-02-02
Nerbun, Peter
Textiles: fiber preparation
Assembling
Web forming
19163, D01G 2500
Patent
active
051828359
ABSTRACT:
A method and a plant for making laps (FA) starting from card webs (V), particularly for making laps for felts, such as felts for paper machines, or the like. By using most of the existing machinery, the laps (FA) of any desired width dimension however greater than that of card webs (V) are simply made, with the lap fibers being substantially arranged in the longitudinal direction (D) of laps (FA). According to the invention, an intermediate ribbon lap (N) is formed from a card web (V) delivered from card (C), by causing the card web (V) to be folded in the card web longitudinal direction (A) by a first lap-laying apparatus (F1), and laid at the same time on an associated first conveyor (T1), the fibers in the intermediate ribbon lap (N) being arranged substantially in the transverse direction of the intermediate ribbon lap (N). Then, from the intermediate ribbon lap (N), a lap (FA) is made by causing the intermediate ribbon lap (N) to be folded in its longitudinal direction (B) by a second lap-laying apparatus (F2), and laid on an associated second conveyor (T2), the fibers in lap (FA) being arranged substantially in the longitudinal direction (D) of lap (FA).
REFERENCES:
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patent: 3903568 (1975-09-01), Watson
patent: 4481694 (1984-11-01), Dilo
Feltrifico Vaneto S.p.A.
Neas Michael A.
Nerbun Peter
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