Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1986-05-12
1988-11-15
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
2243A, 15209R, 55527, 55528, 156 624, 156 626, 156 628, 156 731, 156290, 1563084, 210507, 210508, 428198, 428283, 428286, 428287, 428296, 428298, 428302, 4283193, 428326, 428327, 428903, 428913, 604366, 604370, 604372, 604376, 604378, 604380, A61F 1316, D04H 154
Patent
active
047848928
ABSTRACT:
Non-woven material useful for example for disposable wipers and the like which comprises a layer of meltblown polymeric microfibers inter-mixed with fibres of absorbent material and/or absorbent or super-absorbent particles, the absorbent fibres and/or particles being inter-connected by and held captive within the polymeric microfibres matrix of fibres by mechanical entanglement and interconnection of the microfibres/absorbent fibres, (when present), and at least one layer of meltblown polymeric microfibres, the layers being bonded together ultrasonically or by the application of heat or heat and pressure to cause the microfibres in one layer to bond to the microfibres in an adjacent layer so as to produce fuse bonds extending through the material.
Such material can readily absorb fluids including oil, and can subsequently be squeezed out readily. The material also has an integral strength and a substantially lint free wiping surface.
REFERENCES:
patent: 3949130 (1976-04-01), Sabee et al.
patent: 4297410 (1981-10-01), Tsuchiya et al.
patent: 4333464 (1982-06-01), Nakano
patent: 4340556 (1982-07-01), Ciencewicki
patent: 4426417 (1984-01-01), Meitner et al.
patent: 4578068 (1986-03-01), Kramer et al.
patent: 4604313 (1986-08-01), McFarland et al.
Maddern Peter
Storey Dennis G.
Cannon James C.
Herrick William D.
Kimberly-Clark Corporation
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