Rubber for teat cup liner

摘要

The innovation relates to agriculture, specifically to milking devices. The goal of the innovation is by a rational form of dug rubber to eliminate occurrence of milking shank's unwanted pouring and thus promote normal milk discharging process as well as blood circulation in dugs. In comparison to common milking shank dug rubber, this dug rubber is different with an edge formed at the upper part of the sucker which in circumference is embraced by a groove (semicircular in cross-cut), which in turn in circumference is embraced by the outer part of the sucker.<IMAGE>