VEHICLE WINDSHIELD INTERMEDIATE FILM, COILED ARTICLE AND WINDSHIELD GLASS OF VEHICLE Russian patent published in 2020 - IPC C03C27/12 B32B3/30 

FIELD: machine building.

SUBSTANCE: present invention relates to an interlayer film for automotive windshield, to an interlayer film roll for automotive windshield; and automotive windshield, including interlayer film for automotive windshield. Interlayer film includes at least on one of its surfaces multiple recesses and multiple projections. Recesses have a groove shape with a continuous bottom. Recesses are located adjacent to each other through equal gaps side-by-side. Recesses in the form of a groove with a continuous bottom are arranged at angle of 35° or more relative to the machine direction of the film when producing the interlayer film for automotive windshield. End portions of the projections have roughness of 0.2 to 25 mcm.

EFFECT: technical result is production of automotive windshields using vacuum deaeration method with high output.

4 cl, 4 dwg, 7 tbl