BINDER FOR BINDING OF SHEET UNIT Russian patent published in 2021 - IPC B42D3/00 

FIELD: stationery.

SUBSTANCE: invention relates to devices for printed matter. Folder for binding of sheet unit (15) consists of backbone (2) with at least one side (4), wherein spine (2) has U-shaped profile (5) with base (6) and two vertical shelves (7a, 7b), wherein side (4) is attached to one of shelves (7b), wherein binder (1) has layer of glue (13) for attachment of sheet unit (15) in binder (1), wherein adhesive layer (13) is applied on rigid elongation of said flanges (7b), so that adhesive layer (13) cannot be bent or moved relative to U-shaped profile (5), wherein rigid elongation of said flange (7b) is made due to that said flange (7b) of spine (2) is longer than other flange (7a), wherein glue layer (13) is applied on elongated part of said flange (7b) or at the level of part, or by fixing side (4) to said flange (7b) by means of rigid or inflexible joint (9), wherein glue layer (13) is applied at the level of said rigid or inflexible joint (9).

EFFECT: easier use of the binder and easier manufacture.

14 cl, 5 dwg