FIELD: glass products.
SUBSTANCE: present invention relates to glass products that have signs of protection against counterfeiting, formed in glass products. The glass container includes a body having a delamination coefficient less than or equal to 10, for which at least one marking is described. The body has an inner surface, an outer surface, and a wall thickness extending between the outer surface and the inner surface. The marking is located within the wall thickness. In particular, the marking represents a part of the body, while it has a refractive index that differs from the refractive index of the unmarked part of the body. The methods of forming the marking in the body are also described.
EFFECT: invention provides a combination of open and hidden markings and their joint use to protect against counterfeiting in glass products.
22 cl, 16 dwg
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