Mechanically interlocked and thermally fused staple fiber pleate

Details Mechanically interlocked and thermally fused staple fiber pleate Mechanically interlocked and thermally fused staple fiber pleate

1997-07-07

2000-07-18

Zirker, Daniel

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428182, 442357, 442360, 204164, B32B 328

Patent

active

060904690

ABSTRACT:
A staple fiber web is disclosed which contains pleats having staple fibers which are commingled with staple fibers from adjoining pleats. The commingling permits denser packing of pleats on the web and increases filtering efficiency and stability of the web. Methods of manufacturing the pleated staple fiber web are disclosed.

REFERENCES:
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patent: 5167740 (1992-12-01), Michaelis et al.
patent: 5350620 (1994-09-01), Sundet et al.
patent: 5397632 (1995-03-01), Murphy et al.
patent: 5401446 (1995-03-01), Tsai et al.
patent: 5686050 (1997-11-01), Wadsworth et al.
patent: 5955174 (1999-09-01), Wadsworth et al.

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