Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – With prevention of equipment fouling accumulations or deposits
Patent
1997-10-28
2000-03-07
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
With prevention of equipment fouling accumulations or deposits
210446, 2641761, 425198, 425199, 425461, D01D 110, D01D 402, D01D 508
Patent
active
060336099
ABSTRACT:
A spin pot for spinning synthetic polymer fibers has a polymer filter, a spinneret downstream of the polymer filter, and an electroformed perforated screen positioned between the polymer filter and the spinneret. The screen is most preferably electroformed nickel and includes an annular non-perforated region which bounds a perforated central region. The electroformed perforations prevent debris that may become dislodged from the filter unit from blocking the spinneret orifices thereby creating undesired "slow-holes".
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Industry News; Stork Veco B.V.; New! VECOPORE spin pack screens; IFJ/Aug. 1996 (1 page).
Stork; Working on your application; Stork Veco B.V.; Stork Veco International; David M. Haines, Vice President/Marketing and Business Development (8 pages) (Aug. 30, 1996).
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Moorhead Albert R.
Wright Donald E.
BASF Corporation
Nammo Laura D.
Tentoni Leo B.
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