Teat cup for hydraulic milking apparatus

Details Teat cup for hydraulic milking apparatus Teat cup for hydraulic milking apparatus

1990-11-28

1992-08-04

Hirsch, Paul J.

Animal husbandry

Milkers

Teat compressor or cup

A01J 504

Patent

active

051349671

ABSTRACT:
A teat cup for hydraulic milking apparatus comprises a shell and a liner. The liner has a body part within the shell, a mouthpiece at one end of the body part which mouthpiece defines an opening for receiving a teat during milking, a short milk tube at the other end of the body part, for connection to a clawpiece, and an air passage extending through the body part from the inside to the outside thereof. The shell has a first inlet to which a vacuum pulse tube can be connected and in use pressurize the space between the shell and the liner body part, a second inlet to which an air admission tube can be connected and a passageway defined within the shell itself or within a part rigid therewith and communicating the second inlet to the air passage in the liner body part, whereby air may be admitted to the interior of the liner body part at will.

REFERENCES:
patent: 3255732 (1966-06-01), Raht
patent: 3482547 (1969-12-01), Maier
patent: 3874338 (1975-01-01), Happel
patent: 4211184 (1980-07-01), Abrahamson
patent: 4840141 (1989-06-01), Marshall
patent: 4924809 (1990-05-01), Verbrugge
patent: 4936254 (1990-06-01), Marshall

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