PERISTALTIC NIPPLE Russian patent published in 2014 - IPC A61J11/00 

FIELD: personal use articles.

SUBSTANCE: bottle peristaltic nipple (130) contains a tip (134) to be sucked by the baby during feeding, with one or more holes (144) therein for milk flow from the nipple, a base body (136) wherefrom the tip (134) passes and an inner core (138) positioned inside the tip (134) to form a passage (142) for fluid medium between the tip (134) and the inner core (138). The tip (134) and the inner core (138) are designed so that the tip (134) is not deformed during feeding. The major part of the peripheral surface of the inner core (138) is adjacent to the tip (134); formed on the inner core (138), longitudinally along the core length, is an elongated arc-shaped surface (140) that is concave and distanced from the tip (134); between the said elongated arc-shaped concave surface (140) and the tip (134) a passage (142) is formed. Additionally, the inventions group relates to versions of the said nipple and to a feeding bottle containing the said nipple.

EFFECT: milk ejecting through the nipple by means of peristaltic action during baby feeding.

33 cl, 11 dwg