Abstract: A nursing nipple protective sleeve structure comprised of a nipple and a protective sleeve installed over the exterior section of the nipple. The nipple has a nursing end at one side and a round stay at the other side and, furthermore, disposed on the round stay is a grasping ring, with the protective sleeve fitted onto the round stay and covering the outer side of the nipple. Furthermore, a through-hole is formed at the two ends of the protective sleeve. The innovative feature is that the protective sleeve consists of two or more irregular tooth-shaped compression unit sections and, furthermore, one end of the protective sleeve is fitted onto the round stay and functions as an engagement end that provides for the conjoinment of the protective sleeve to the nipple. When the protective sleeve is compressed, the nursing end of the nipple projects beyond the through-hole and thereby provides for sucking by the infant.

Abstract: A protective pacifier nipple structure having a nipple and a protective sleeve installed over the exterior section of the nipple. The nipple has situated at one side a nursing end and at the other side a round stay with a grasping ring. The round stay has fitted onto its outer periphery a protective sleeve with a serpentine tubular structure surrounding the nipple and, formed at the tail end of the protective sleeve and aligned with the position of the nursing end, is a through-hole. When the protective sleeve is collapsed, the nursing end of the nipple projects outside the through-hole and provides for the suckling of the infant. When the nipple is removed from the mouth of the infant, the protective sleeve is no longer compressed and the serpentine tubular structure elastically returns to its original shape, once again surrounding the nursing end of the nipple.

Abstract: A protective pacifier nipple structure comprised of a nipple and a protective sleeve installed over the exterior section of the nipple. The nipple has situated at one side a nursing end and at the other side a round stay and, furthermore, disposed on the round stay is a grasping ring. The present invention includes the following innovative features. The round stay has fitted onto its outer periphery a protective sleeve. The said protective sleeve consists of a serpentine tubular structure surrounding the nipple and, furthermore, formed at the tail end of the protective sleeve and aligned with the position of the nursing end is a through-hole. When the protective sleeve is collapsed, the nursing end of the nipple projects outside the through-hole and provides for the suckling of the infant.