Milk liner
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 16, 2012
Grant Date -
Dec 21, 2006
app pub date -
May 17, 2004
filing date -
May 16, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A milk liner assembly (1) comprises a milk liner (5) seal ably located in an outer shell (3) and defining with the outer shell (3) a pulsating vacuum chamber (23). The milk liner (5) comprises a sleeve (8) and a teat engaging flange (25) which together define a teat receiving cavity (11). A teat accommodating opening (26) through the teat engaging flange (25) accommodates a teat into the teat receiving cavity (11). A strengthening ring (28) integrally formed with the sleeve (8) is located on the sleeve (8) and extends around the sleeve (8) adjacent the teat engaging flange (25) for minimizing excessive radial inward contraction of the sleeve (8), and in turn excessive radial inward contraction of the teat engaging flange (25) onto the teat so that even if the teat engaging flange (25) were to engage the cricoid fold, milk flow through the cricoid fold would not be inhibited by the gripping pressure exerted the teat engaging flange (25) on the cricoid fold. The strengthening ring (28) extends axially from the sleeve (8), and terminates in a distal abutment surface (30) for abutting the udder of the animal for in turn spacing the teat engaging flange (25) from the udder and from the cricoid fold.
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