Teat cup inflation专利检索-挤奶杯农用建筑及设备专利检索查询-专利查询网

Teat cup inflation

阅读：968发布：2021-06-20

专利汇可以提供Teat cup inflation专利检索，专利查询，专利分析的服务。并且Provided is a teat cup inflation which prevents mastitis by eliminating contaminated milk forced backwash which usually occurs during the rest cycle of automatic milking operations and at the same time provides for uniform and adequate massage of the teat. This is accomplished by providing in combination (1) a rigid air-vent plug in the wall of the inflation located just below the pulsating vacuum chamber shell and (2) an inflation having a cross-sectional area of longitudinally reinforced portions and longitudinal unreinforced portions along that section of the inflation which is enclosed within the shell, such that when the inflation collapses, there is effected along the entire length of the teat a massaging action and at the same time there is insured, upon maximum collapse and even as the inflation begins to wear out, a remaining orifice of from about 0.012 square inches to about 0.028 square inches connecting the milking vacuum to the inflation cavity immediately below the end of the teat.，下面是Teat cup inflation专利的具体信息内容。

权利要求

1. A teat cup inflation device adapted to be used in an automatic milking system which includes a source of constant vacuum, a source of pulsating vacuum, and a teat cup assembly which includes said teat cup inflation device and a teat cup inflation shell, there being defined a pulsating vacuum chamber between said inflation and said shell, said teat cup inflation device being provided with integral wall means extending through said shell and defining a longitudinal teat receiving chamber, and milk discharge means in flow communication with said wall means to allow a milking vacuum from said source of constant vacuum to be pulled within said chamber, said wall means being adapted to collapse to a point below the end of a cow''s teat inserted therein, and being provided about said point with interior contact means for maintaining an orifice at maximum collapse of a sufficiently large cross-sectional area to reduce the amount of forced backwash of milk into a cow''s teat, but of a sufficiently small cross-sectional area to allow for adequate rest from said milking vacuum, said cross-sectional area of said orifice at maximum collapse being about 0.012-0.028 square inches.

2. A teat cup inflation device according to claim 1 wherein said walls are provided with longitudinally extending reinforced sections and longitudinally extending non-reinforced sections such that upon collapse of said walls there is effected a leverage action which provides massage along substantially the entire length of that portion of a cow''s teat inserted in said chamber.

3. A teat cup inflation device in accordance with claim 2 wherein said longitudinally extending reinforced sections are longitudinal ribs of sufficient width such that upon maximum collapse of said walls at said point of collapse, said ribs prevent full collapse of said walls and thereby maintain said orifice.

4. In an automatic milking system comprising a source of constant vacuum, a source of pulsating vacuum, and a teat cup assembly comprised of a teat cup inflation and a teat cup inflation shell, there being defined a pulsating vacuum chamber between said inflation and said shell, the improvement comprising as said teat cup inflation, a teat cup inflation as defined in claim 1.

5. The improvement of claim 4 wherein said wall means are provided with longitudinally extending reinforced sections and longitudinally extending non-reinforced sections such that upon collapse of said walls there is effected a a leverage action which provides massage along substantially the entire length of that portion of a cow''s teat inserted in said chamber.

6. The improvement of claim 5 wherein said teat cup inflation also includes a calibrated air vent extending through a wall of said milk discharge means, said vent being located in said means at a point below the lowest juncture of said inflation and said shell which juncture defines the lowest point of said pulsating vacuum chamber, said air vent being adapted to admit a metered amount of air therethrough sufficient to reduce the amount of forced backwash of milk into a cow''s teat.

7. An improvement in accordance with claim 6 wherein said constant vacuum source is sufficient to create a vacuum within said teat cavity of from about 25 mmHg to about 37.5 mmHg.

8. A teat cup inflation device according to claim 1 wherein said Non-reinforced sections are connected by relatively sharp corners which substantially fully collapse without looping during operation.

9. A teat cup inflation device according to claim 1 which also includes a calibrated air vent extending through a wall of said milk discharging means, said vent being located in said means at a point below the lowest juncture of said inflation and said shell which juncture defines the lowest point of said pulsating vacuum chamber, said air vent being adapted to admit a metered amount of air therethrough sufficient to reduce the amount of forced backwash of milk into a cow''s teat.

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