The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1992
Filed:
Nov. 28, 1990
Barry R Marshall, Ramsden, GB;
Ambic Equipment Limited, , GB;
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.