FIELD: process engineering.
SUBSTANCE: invention relates to light and textile industries and can be used for production, for example, bulletproof vest. Article comprises multiple layers of woven webs from threads with breaking elongation smaller than 8% as per EN 12562. Note here that in the limits of at least one separate layer at least two groups of areas are defined. Areas of the first group features first Valtz density DG1 making 8-80 %. Areas of the second group features second Valtz density DG2 making 8-80 %. Difference between DG1 and DG2 makes at least 3%.
EFFECT: bulletproof vest with high anti-ballistic properties.
23 cl, 2 dwg, 2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| NON-PIERCEABLE BULLET-PROOF PRODUCT | 1999 |
|
RU2218541C2 |
