High performance ballistic composites having improved...

Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is resistant to penetration by solid...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C442S366000, C442S381000, C442S398000, C428S219000, C428S911000, C264S640000

Reexamination Certificate

active

07919418

ABSTRACT:
A composite material which has excellent ballistic performance and has improved flexibility. Surprisingly, it has been found that a combination of poly(alpha-olefin) fiber and matrix resin provides these desirable product features. The resin matrix is a block copolymer of a conjugated diene and a vinyl aromatic monomer, preferably a styrene-isoprene-styrene block copolymer, that is applied as an aqueous composition. The fiber has a tenacity of at least about 35 g/d and a tensile modulus of at least about 1200 g/d. The composite has a total density equal to or less than about 100 g/m2and a stiffness of less than about 2.5 pounds (1.14 kg) for a two layer structure of the composite, and a total areal density equal to or less than about 190 g/m2and a stiffness of less than about 3.0 pounds (1.36 kg) for a four layer structure of the composite. The Peel Strength for a two layer structure of less than about 1.0 pounds (0.45 kg) for a two layer structure of the composite, and less than about 0.7 pounds (0.32 kg) for a four layer structure of the composite. The process of this invention permits fabrication of these desirable products in a cost-effective manner. Body armor made from the composite has improved flexibility and excellent ballistic characteristics.

REFERENCES:
patent: 4137394 (1979-01-01), Meihuizen et al.
patent: 4356138 (1982-10-01), Kavesh et al.
patent: 4403012 (1983-09-01), Harpell et al.
patent: 4413110 (1983-11-01), Kavesh et al.
patent: 4457985 (1984-07-01), Harpell et al.
patent: 4501856 (1985-02-01), Harpell et al.
patent: 4543286 (1985-09-01), Harpell et al.
patent: 4563392 (1986-01-01), Harpell et al.
patent: 4584347 (1986-04-01), Harpell et al.
patent: 4613535 (1986-09-01), Harpell et al.
patent: 4623574 (1986-11-01), Harpell et al.
patent: 4650710 (1987-03-01), Harpell et al.
patent: 4681792 (1987-07-01), Harpell et al.
patent: 4737401 (1988-04-01), Harpell et al.
patent: 4737402 (1988-04-01), Harpell et al.
patent: 4748064 (1988-05-01), Harpell et al.
patent: 4820568 (1989-04-01), Harpell et al.
patent: 4883700 (1989-11-01), Harpell et al.
patent: 4916000 (1990-04-01), Li et al.
patent: 4953234 (1990-09-01), Li et al.
patent: 5006390 (1991-04-01), Kavesh et al.
patent: 5061545 (1991-10-01), Li et al.
patent: 5112667 (1992-05-01), Li et al.
patent: 5124195 (1992-06-01), Harpell et al.
patent: 5165989 (1992-11-01), Bhatnagar et al.
patent: 5167876 (1992-12-01), Lem et al.
patent: 5185195 (1993-02-01), Harpell et al.
patent: 5187023 (1993-02-01), Prevorsek et al.
patent: 5190802 (1993-03-01), Pilato
patent: 5196252 (1993-03-01), Harpell et al.
patent: 5330820 (1994-07-01), Li et al.
patent: 5471906 (1995-12-01), Bachner, Jr. et al.
patent: 5552208 (1996-09-01), Lin et al.
patent: 5567498 (1996-10-01), McCarter et al.
patent: 5587230 (1996-12-01), Lin et al.
patent: 5677029 (1997-10-01), Prevorsek et al.
patent: 5690526 (1997-11-01), Lin et al.
patent: 5702657 (1997-12-01), Yoshida et al.
patent: 6219842 (2001-04-01), Bachner, Jr.
patent: 2004/0092183 (2004-05-01), Geva et al.
patent: WO03089235 (2003-10-01), None
patent: WO2004033196 (2004-04-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

High performance ballistic composites having improved... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High performance ballistic composites having improved..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High performance ballistic composites having improved... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2624435

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.