Sewing – Products – Sewn web or sheet
Patent
1986-08-21
1988-06-14
Cannon, James C.
Sewing
Products
Sewn web or sheet
2 8, 5459, 112440, 244121, 244122R, 297219, 297DIG5, 428 71, 428219, 428287, 428340, 4284235, 4284747, 428902, 428920, 428921, A47C 2700, B32B 708, B32B 2734, B64D 2502
Patent
active
047504439
ABSTRACT:
A textile fabric suitable for use as a fire-blocking sheet in aircraft seat cushion comprises three to seven, fastened together nonwoven layers of hydarulically needled batts of aramid staple fibers.
REFERENCES:
patent: 4120914 (1978-10-01), Behnke et al.
patent: 4198494 (1980-04-01), Burchel
patent: 4255817 (1981-03-01), Heim
patent: 4284680 (1981-08-01), Awano et al.
patent: 4463465 (1984-08-01), Parker et al.
patent: 4473614 (1984-09-01), Hockmeyer
patent: 4482603 (1984-11-01), Yoshida et al.
patent: 4529644 (1985-07-01), Awano et al.
Research Disclosure, Item 22215, "Lightweight Aramid Nonwovens for Thermal Protection," p. 345-346 (Oct., 1982).
Blaustein Michael A.
Nollen Dennis A.
Page Loretta A. G.
Cannon James C.
E. I. Du Pont de Nemours and Company
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