ABSORBENT PRODUCT CONTAINING COLORED AREAS Russian patent published in 2020 - IPC A61F13/47 

FIELD: manufacturing technology.

SUBSTANCE: absorbent product comprising liquid-permeable upper sheet (7), a liquid-impermeable lower sheet (8) and absorbent core (11) enclosed between upper sheet (7) and lower sheet (8), said absorbent core (11) comprising an absorbent fibrous layer (9), liquid inlet layer (1) and carrier layer (10), in which the transversely central region (4) is located in the liquid inlet layer (1), said region (4) extends over the entire lengthwise length (L1) of absorbent core (11) and comprises a plurality of slits (2) arranged in the form of a structure, where slits (2) have the shape of elongated slotted holes (3a) in part of said central area (4), which is contained in intermediate part (16) of absorbent core, and slits (2) are in the form of short slits (3b) in parts of said central area (4), which are either in front and rear parts (15, 17) of absorbent core, or in one of them; and method of producing absorbent product (100) includes steps of: cutting (130) slits (2) in central region (4) of continuous web of inlet material (101) for fluid and transverse stretching (131) of web in a direction perpendicular to machine direction, wherein slits (2) are stretched in the form of holes (3a); applying adhesive (132) on continuous web (110) of carrier material; combination (133) of continuous web and material (101) of inlet layer for liquid and cutting (134) of components of inlet layer (126) from combined web (125); obtaining (135) absorbing components (122); conclusion (136) of component of inlet layer (126) and absorbing component (122) between continuous webs of material (107) of upper sheet and material (108) of lower sheet; connection (137) of at least upper sheet material (107) and material (108) of the lower sheet along the outer edges of the absorbent product; cutting (138) of the combined material in the desired shape to obtain absorbent product (100).

EFFECT: absorbent product is described.

18 cl, 9 dwg, 1 tbl