Applying fluid additive to fibrous material

Details Applying fluid additive to fibrous material Applying fluid additive to fibrous material

1990-03-16

1994-08-23

Lusignan, Michael

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

81491, 8477, 28283, 68200, 118 63, 118 65, 118325, 118326, 118407, 118410, 118415, 131 79, 427175, 427373, B05D 500

Patent

active

053406095

ABSTRACT:
Air is blown into filter tow during or immediately after the application of plasticizer; this foams and distributes the plasticizer in the tow. Air may be delivered from a porous plate closely adjacent to the path of the tow or from nozzles in an air injecting unit. Alternatively air may be used to foam plasticizer at a location remote from the tow and foamed plasticizer subsequently conveyed to and into the tow by a roller.

REFERENCES:
patent: 2617426 (1952-11-01), Patterson
patent: 2966198 (1960-12-01), Wylde
patent: 3769883 (1973-11-01), Greve
patent: 3865078 (1975-02-01), De Howitt et al.
patent: 4023526 (1977-05-01), Ashmus et al.
patent: 4367249 (1983-01-01), Bloom et al.
patent: 4619276 (1986-10-01), Albertson et al.
patent: 4756316 (1988-07-01), Keritsis
Hawyley, G. G., The Condensed Chemical Dictionary, Ninth edition, New York, Van Nostrand Reinhold Company, 1977, pp. 288, 691.

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