| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for relatively determining a deterioration degree of a teat cup liner by easily measuring deterioration in the teat cup liner of a milking machine, especially, circumferential deformation of a trunk part (a bore part) with time without using a complicated device.SOLUTION: The method for determining deterioration in a teat cup liner includes: bringing a measuring tool 2 into contact with a nipple insertion port Mi of a teat cup liner M to pressurize a pulsation chamber P of a teat cup unit T up to a prescribed pressure Q; measuring a smashing volume V of the measuring tool 2 in a massage period of the teat cup liner M; and determining a deterioration degree of the teat cup liner M.</p> |
