| 摘要 |
A teatcup liner is provided by an elongated, flexible, generally tubular liner (104) extending along a longitudinal axis (105). The liner has an upper section (106) for mounting to a teatcup, a mouthpiece chamber (107) having a shoulder (108) below the upper section, and a barrel (110) below the shoulder. The barrel has alternating exterior and interior axially extending flutes (112) and (114). The mouthpiece chamber shoulder is fluteless along both its exterior (116) and interior (118).
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