Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-07-15
1994-03-08
Withers, James D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428245, 428257, 428258, 428272, 428273, 4283111, 4283115, 428402, 428407, 428902, 428378, B32B 516, B32B 700, D03D 1300
Patent
active
052925781
ABSTRACT:
A reinforcing material for duroplastics made of a web in the form of a woven, non-woven, fiber-woven, or mesh. The web has at least two intersecting and/or interwoven thread systems. One thread system extends mainly across and the other mainly along the web. One thread system partly or completely covers the other. Plastic microspheres with a diameter of 20 to 300 .mu.m are positioned inside the thread systems. The covering thread system contains approximately 60 to 100% by volume of the microspheres.
REFERENCES:
patent: 3950868 (1976-04-01), Holroyd et al.
patent: 4818583 (1989-04-01), Geel
patent: 4820575 (1989-04-01), Kolzer
patent: 4879163 (1989-11-01), Woiceshyn
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