Three-dimensional non-woven fabric and method of producing the s

Details Three-dimensional non-woven fabric and method of producing the s Three-dimensional non-woven fabric and method of producing the s

1994-07-15

1996-12-03

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

156 732, 156 735, 156253, 156268, 156269, 1563096, 210150, 210615, 428224, 428397, 428400, D03D 300

Patent

active

055806449

ABSTRACT:
A three-dimensional non-woven fabric having at least one junction portion in the internal portion thereof may be obtained by forming, and maintaining a distance between, linear junction portions in a piece of starting non-woven fabric or in a laminate of a plurality of layers of starting non-woven fabric, followed by cutting the formed non-woven fabric at a position or along a line between one linear junction portion and another linear junction portion; or by forming dot-like junction portions in a piece of a starting non-woven fabric or in a laminate of a plurality of layers of a starting non-woven fabric, followed by cutting the formed non-woven fabric into a desired shape so as to include the dot-like junction portion. The three-dimensional non-woven fabric has a large strength, excellent shape stability, large surface area, thereby being advantageously utilizable as a carrier for fixing or immobilizing microorganisms or in various other applications.

REFERENCES:
patent: 4789577 (1988-12-01), Leone et al.
patent: 5173352 (1992-12-01), Parker
patent: 5424113 (1995-06-01), Ray et al.

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