Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1988-08-10
1991-06-04
Schroeder, Werner H.
Textiles: manufacturing
Thread finishing
Surface modification of running length
D02G 112
Patent
active
050201980
ABSTRACT:
An improved stuffer box used for crimping textile fibers, particularly fibrillated polyolefin films. The width of the stuffer box is related to the linear density of the fiber bundles to be crimped whereby there is one millimeter of width for each fiber bunder size in the range of from about 200 to about 750 denier. Pressure controlled hinged lid or fixed lid exit orifices may be employed. Also employed may be a distributing device for applying additive material to the textile fibers prior to crimping to enhance the crimping operation or to enhance the end use of the crimped fiber or both. Fibrillated polyolefin materials that are crimped in accordance with the invention are adapted for use as filter materials in smoking articles.
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Filter Materials Ltd. brochure, 1986.
Hill Michael
Nichols Walter A.
Calvert John J.
Filter Materials Ltd.
Isackson Robert M.
Schroeder Werner H.
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