TRANSFORMABLE TEAT CUP Russian patent published in 2005 - IPC

FIELD: agricultural engineering, in particular, milking equipment.

SUBSTANCE: transformable teat cup has casing, sucker arranged inside casing and composed of case with upper bead and flexible tube fixed to wall protruding to the inside of case. End part of flexible tube has thickened portion with two annular grooves and is equipped with milk pipe having corrugated portion. Milk pipe is fixed on lower end part of casing. At least one additional annular groove is formed on thickened portion of flexible tube and adapted for attachment of end part of flexible tube in operating state to sucker upper bead, depending upon size of cow's teat, and for defining low pulsing vacuum pressure chamber so that during milking procedure, thickened portion surface and flexible tube surface act upon cow's udder and teat in the region adjoining teat base. Sucker is equipped with stopper-plug and has low pulsing vacuum pressure pipe attached on sucker casing. One end of flexible tube is connected to low pulsing vacuum pressure chamber and other end is coupled to casing pipe adapted for connection to low pulsing vacuum gage pressure source. Inner diameter of milk pipe is at least 14 mm. Adjustable vacuum gage pressure supplied to chamber arranged under teat and to pulsing vacuum chamber is within the range of 7-33 kPa. Casing, sucker, milk pipe, and low pulsing vacuum pipe are manufactured from light-weight transparent plastic.

EFFECT: convenient maintenance and operation of milking unit, reduced injury to animal, and provision for keeping high quality of milk.

2 cl, 4 dwg