Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1992-12-22
1994-11-22
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428198, 428200, 428349, 428355, 428227, B32B 310, B32B 714
Patent
active
053667921
ABSTRACT:
A laminated non-woven fabric comprising a laminated material of an intermediate layer of a melt-blown non-woven fabric obtained by melt-blowing an olefin-type resin, an inner and outer layers of a spun-bonded non-woven fabric which chiefly consists of polyester-type fibers and in which the fibers are bonded together locally and at a coarse density, wherein the fibers constituting the inner and outer layers are inserted in the melt-blown non-woven fabric and are intermingled with fibers in the melt-blown non-woven fabric or in the spun-bonded non-woven fabrics of the opposite sides, so that the layers are coupled together as a unitary structure, and a process for producing the same. In the laminated non-woven fabric, the melt-blown non-woven fabric and the spun-bonded non-woven fabrics are fastened and stuck together free of defects to exhibit softness, porosity, water resisting property and like properties possessed by the melt-blown non-woven fabric as well as strength, hand, touch and like properties possessed by the spun-bonded non-woven fabric to their maximum degrees.
Shimizu Masaki
Shimokawa Masami
Shirayanagi Ryutaro
Mitsui Petrochemical Industries Ltd.
Ryan Patrick J.
Weisberger Richard C.
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