| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to marking of products and goods in various industries. Proposed method consists in application of hidden thread for marking of the product by applying it on the product or its package. Note here that hidden white and hidden black threads are used to be twisted at a time in various combinations with common threads of cotton, flax, silk, synthetic fibers to be sensed by touch.EFFECT: simple marking, possibility of tactile sensation.2 cl, 5 dwg |
