Textiles: manufacturing – Textile product fabrication or treatment
Patent
1979-06-28
1982-09-28
Mackey, Robert
Textiles: manufacturing
Textile product fabrication or treatment
28290, 28291, 2104971, 242 2, 242 47, 242 53, B01D 1304, B65H 5464
Patent
active
043510922
ABSTRACT:
The method of fabricating a coreless hollow filament bundle of interlaced hollow filaments to be used as the membrane elements in a separatory module comprising the steps of providing first and second axially spaced co-axially rotatable engagement members carrying filament receiving arms, concomitantly rotating said rotatable engagement members while alternately engaging filaments upon a respective filament receiving arm of one rotary member, causing said filament to traverse the space between said first rotary member and the second rotary member and engaging said filament upon a receiving arm of said second rotary member, and continuously feeding said filament between said receiving arms of said rotary members so as to provide a coreless bundle of filaments interlacing with one another in left and right hand helices at angles to the common axis of rotation of the two rotary members.
REFERENCES:
patent: 3422008 (1969-01-01), McLain
patent: 4045851 (1977-09-01), Ashare et al.
patent: 4080915 (1978-03-01), Bompard et al.
patent: 4105548 (1978-08-01), Baker et al.
Coplan Myron J.
Sebring Robert E.
Albany International Corp.
Mackey Robert
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