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Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers
Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers
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机译:卷曲的纺织纤维和填充箱装置以及卷曲纺织纤维的方法
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摘要
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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