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US 4,505,398 AGranted
Teat
AssigneeMAPA GmbH Gummi- und Plastikwerke
InventorLutz Kesselring
Life of this patent
Estimating the term…
Abstract
A feeding or pacifying teat is provided on its surface with profiled portions consisting of elevations or recesses with respect to adjacent wall portions. At least the body of the teat has an accordion-like wall portion, which is zigzag-shaped in longitudinal section. The tapered portion connecting the body and nipple of the teat has a rough and particularly waffle-like outside surface or is provided on its outside surface with bosses. Additional profiled portions may be provided in the form of the peripherally extending, annular beads and a venting valve.
Claims16
A teat comprising:
- an upwardly extending generally cylindrically shaped hollow teat body having an upper end and a lower end and an outside surface and an inside surface,
- fixing means provided at the lower end of said teat body,
- a nipple having a lower end spaced upwardly from the upper end of said teat body, and
- a frusto-conically shaped tapered portion, extending upwardly and inwardly from the upper end of said teat body to the lower end of said nipple,
- said teat body has a circumferentially extending recess in the outside surface therof located adjacent the upper end thereof and a circumferentially extending bead in the outside surface thereof spaced below said recess, said recess and bead providing a restricted compression of said teat under downwardly directed pressure applied to said nipple,
- said teat body has a cylindrical first wall portion including said recess and said first wall portion has a uniform wall thickness,
- said bead has an interrrupted section extending in the circumferential direction, a venting valve formed in said interrupted section and comprising a depression formed in the outside surface of said teat body in said interrupted section of said bead and a slot formed in said teat body within said depression for venting the interior of said teat.
4 more elements
Dependencies are inferred from the claim text.