NZ746826B2 - A cartridge for a teatcup, and a teatcup - Google Patents
A cartridge for a teatcup, and a teatcup Download PDFInfo
- Publication number
- NZ746826B2 NZ746826B2 NZ746826A NZ74682617A NZ746826B2 NZ 746826 B2 NZ746826 B2 NZ 746826B2 NZ 746826 A NZ746826 A NZ 746826A NZ 74682617 A NZ74682617 A NZ 74682617A NZ 746826 B2 NZ746826 B2 NZ 746826B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- elongated sleeve
- locking member
- teatcup
- end section
- cartridge according
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 claims abstract 13
- 230000010349 pulsation Effects 0.000 claims abstract 3
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J5/00—Milking machines or devices
- A01J5/04—Milking machines or devices with pneumatic manipulation of teats
- A01J5/08—Teat-cups with two chambers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01J—MANUFACTURE OF DAIRY PRODUCTS
- A01J5/00—Milking machines or devices
- A01J5/04—Milking machines or devices with pneumatic manipulation of teats
- A01J5/16—Teat-cups with pulsating devices
Abstract
cartridge 1 configured to form a part of a teatcup 3 comprising a connector. The teatcup 3 is configured to be attached to the teat of an animal to be milked, and comprises an elongated sleeve 20 extending in parallel with a longitudinal central axis and having an upper end section and a lower end section, a teatcup liner pre-mounted in the elongated sleeve and having an inner space for receiving said teat, a pulsation chamber between an inner side of the elongated sleeve and an outer side of the teatcup liner. The teatcup liner comprises an upper end portion located at the upper end section of the elongated sleeve, a lower end portion located at the lower end section of the elongated sleeve, and a barrel portion extending between the upper end portion and the lower end portion. The lower end portion of the teatcup liner comprises an annular flange 27 extending outwardly which abuts an end surface of the lower end section of the elongated sleeve. The barrel portion in a rest state has a polygonal cross-sectional shape defining a plurality of corner portions and a plurality of side portions, each connecting two of said corner portions. The elongated sleeve comprises a primary locking member, and the teat cup liner comprises a primary complementary locking member. The primary locking member and the primary complementary locking member engage each other to prevent rotation of the teat cup liner in relation to the elongated sleeve around the longitudinal central axis. The primary locking member is located at the lower end section of the elongated sleeve, and the primary complementary locking member 29 is provided on the lower end portion of the teat cup liner on the annular flange 27.
Claims (15)
1.Claims
2.A cartridge ured to form a part of a teatcup comprising a connector, the p being configured to be attached to the 5 teat of an animal to be milked, the cartridge comprising an elongated sleeve extending in parallel with a longitudinal central axis and having an upper end section and a lower end section, a teatcup liner pre-mounted in the elongated sleeve and having 10 an inner space for receiving said teat, a pulsation chamber between an inner side of the elongated sleeve and an outer side of the p liner, wherein the teatcup liner comprises an upper end portion located at the upper end section of the 15 elongated sleeve, a lower end portion located at the lower end section of the elongated sleeve, and a barrel n extending between the upper end portion and the lower end n, wherein the lower end portion of the teatcup 20 liner comprises an annular flange extending outwardly, and wherein the annular flange abuts an end surface of the lower end n of the elongated sleeve, the barrel portion in a rest state has a polygonal cross-sectional 25 shape defining a plurality of corner portions and a plurality of side portions, each connecting two of said corner portions, the elongated sleeve comprises a primary locking member, the teatcup liner comprises a primary complementary locking member, and 30 the primary locking member and the primary complementary locking member engage each other to t rotation of the teatcup liner in relation to the elongated sleeve around the longitudinal central axis wherein 35 the y g member is located at the lower end section of the elongated sleeve, and wherein the primary complementary locking member is provided on the lower end portion of the teatcup liner, wherein the primary complementary locking member is provided on the annular flange. 5 2. A cartridge according to claim 1, wherein the ted sleeve comprises a plurality of gs, each being provided opposite to a respective one of the side portions of the teatcup liner and each permitting passage of a ing pressure into and out from the pulsation chamber.
3. A cartridge according to claim 2, wherein the openings extend through the lower end section of the elongated sleeve.
4. A cartridge according to claim 3, wherein the openings are 15 equidistantly distributed around the lower end section of the elongated sleeve.
5. A cartridge according to claim 4, wherein the barrel portion ses a protruding ring projecting outwardly and extending 20 around the barrel portion in the proximity of the lower end n, and wherein the protruding ring comprises a ity of straightened ns.
6. A cartridge according to claim 5, wherein the openings are 25 located axially between the protruding ring and the annular flange.
7. A cartridge according to any one of the ing claims, wherein the lower end portion of the teatcup liner comprises an 30 end nozzle extending beyond the lower end section of the elongated sleeve and having a ferential external surface configured to abut a seal surface of the connector of the teatcup.
8. A cartridge according to any one of the preceding claims, 35 wherein the barrel portion is made of a first material and the lower end portion is made of a second material, and wherein the second material has a relatively high rigidity in comparison with the first material.
9. A cartridge according to any one of the preceding claims, 5 wherein the y complementary g member comprises a recess in the annular flange, and wherein the primary locking member comprises a protrusion extending from the lower end section of the elongated sleeve into the recess of the primary complementary locking member.
10. A cartridge according to any one of the preceding claims, wherein the cartridge comprises a lip member attachable to the upper end n of the teatcup liner, thereby securing the lip member to the upper end portion of the teatcup liner in an axial 15 ion.
11. A cartridge according to claim 10, wherein the lip member comprises a secondary locking member, and the ted sleeve comprises a secondary complementary locking , and 20 n the secondary locking member and the secondary complementary locking member engage each other to prevent on of the lip member in relation to the elongated sleeve and to the teatcup liner around the longitudinal central axis. 25
12. A dge according to claim 11, wherein the secondary complementary locking member comprises at least one recess in an annular flange extending outwardly at the upper end section of the elongated sleeve, and wherein the secondary locking member comprises at least one protrusion extending downwardly 30 from a lower end of the lip member into a respective recess of the secondary complementary locking member.
13. A teatcup comprising a connecter and a cartridge according to any one of the preceding claims.
14. A cartridge according to claim 1, substantially as herein described or ified with reference to the accompanying drawings. 5
15. A teatcup according to claim 13, substantially as herein described or exemplified with reference to the accompanying drawings. W0 92092
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1650604 | 2016-05-04 | ||
| PCT/SE2017/050425 WO2017192092A1 (en) | 2016-05-04 | 2017-05-03 | A cartridge for a teatcup, and a teatcup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ746826A NZ746826A (en) | 2024-05-31 |
| NZ746826B2 true NZ746826B2 (en) | 2024-09-03 |
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