Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Patent
1999-03-11
2000-10-10
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
28219, 28244, 28245, 264342RE, 425 66, 425367, 425377, D02J 122
Patent
active
061298824
ABSTRACT:
The invention relates to an apparatus for manufacturing multifilament threads with at least one hot-air module 6 for drawing or relaxing the thread Y. To manufacture multifilaments with particularly high strength and to avoid the problems of the bearings of the rollers 9, 10 in the hot-air modules 6, at least one apparatus is provided for screening the hot stream of air from the rollers 9, 10, 10' of the or each hot-air module 6. Such apparatus may, for example, take the form of divider sheets 12. To facilitate the introduction of the thread Y into the hot-air module 6, it may be furthermore provided according to the invention that two rows of rollers 9, 10 facing each other are arranged in the or each hot-air module 6, at least the rollers 10 of one row being arranged in the direction of the rollers 9 of the other row and movable beyond these so that a meander-shaped arrangement of the thread Y can be achieved automatically in the hot-air modules 6. When the rollers 9, 10 are displaced, the divider sheets 12 or the like are folded away, displaced, or the like.
REFERENCES:
patent: 3500553 (1970-03-01), Patton et al.
patent: 4967457 (1990-11-01), Beck et al.
patent: 5183620 (1993-02-01), Duncan et al.
patent: 5538792 (1996-07-01), Jacob et al.
SML Maschinengesellschaft m.b.H.
Tentoni Leo B.
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