Nonwoven fabric laminate with meltblown web having a...

Details Nonwoven fabric laminate with meltblown web having a... Nonwoven fabric laminate with meltblown web having a...

2005-08-30

2005-08-30

Caldarola, Glenn (Department: 1764)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

C442S400000, C442S382000, C442S381000, C442S401000

Reexamination Certificate

active

06936554

ABSTRACT:
A nonwoven fabric laminate having a meltblown layer positioned between two spunbond nonwoven layers. The meltblown layer having a gradient fiber size structure across a thickness thereof with at least one layer of coarse meltblown fibers. In one embodiment, the gradient fiber size structure has at least two layers of meltblown fibers, for example at least one layer of fine meltblown fibers and at least one layer of coarse meltblown fibers, having a mean fiber diameter difference of at least 4.0 microns.

REFERENCES:
patent: 3338992 (1967-08-01), Kinney
patent: 3341394 (1967-09-01), Kinney
patent: 3458387 (1969-07-01), Suskind et al.
patent: 3502538 (1970-03-01), Petersen
patent: 3502763 (1970-03-01), Hartmann
patent: 3542615 (1970-11-01), Dobo et al.
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3802817 (1974-04-01), Matsuki et al.
patent: 3849241 (1974-11-01), Butin et al.
patent: 4196245 (1980-04-01), Kitson et al.
patent: 4340563 (1982-07-01), Appel et al.
patent: 4714647 (1987-12-01), Shipp, Jr. et al.
patent: 4756786 (1988-07-01), Malaney
patent: 4904521 (1990-02-01), Johnson et al.
patent: 5073436 (1991-12-01), Antonacci et al.
patent: 5213881 (1993-05-01), Timmons et al.
patent: 5258220 (1993-11-01), Joseph
patent: 5415925 (1995-05-01), Austin et al.
patent: 5454848 (1995-10-01), Miller
patent: 5464688 (1995-11-01), Timmons et al.
patent: 5492751 (1996-02-01), Butt, Sr. et al.
patent: 5554435 (1996-09-01), Gupta et al.
patent: 5616408 (1997-04-01), Oleszczuk et al.
patent: 5660910 (1997-08-01), Hoyt et al.
patent: 5679042 (1997-10-01), Varona
patent: 5804512 (1998-09-01), Lickfield et al.
patent: 5811178 (1998-09-01), Adam et al.
patent: 5817584 (1998-10-01), Singer et al.
patent: 5855784 (1999-01-01), Pike et al.
patent: 5885909 (1999-03-01), Rudisill et al.
patent: 5939341 (1999-08-01), Brown et al.
patent: 6001303 (1999-12-01), Haynes et al.
patent: 0 399 495 (1990-11-01), None
patent: 0 729 375 (1999-04-01), None
patent: WO 00/37723 (2000-06-01), None
patent: WO 01/00917 (2001-01-01), None

Affiliated with

Also associated with

Rating

Nonwoven fabric laminate with meltblown web having a... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Nonwoven fabric laminate with meltblown web having a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nonwoven fabric laminate with meltblown web having a... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3459300