WO2000076298A1 - A hose device - Google Patents
A hose device Download PDFInfo
- Publication number
- WO2000076298A1 WO2000076298A1 PCT/SE2000/001180 SE0001180W WO0076298A1 WO 2000076298 A1 WO2000076298 A1 WO 2000076298A1 SE 0001180 W SE0001180 W SE 0001180W WO 0076298 A1 WO0076298 A1 WO 0076298A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hose
- channel
- transition portion
- hose device
- connection member
- Prior art date
Links
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
- A01J5/044—Milk lines or coupling devices for milk conduits
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L35/00—Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices
Definitions
- the present invention refers to a hose device including a hose portion, at least a first end portion and a channel, which extends along the hose device through the first end portion and the hose portion, wherein the hose device has flexible and elastic properties, wherein the first end portion of the hose device in a mounted state is arranged to be attached to a tubular connection member by having the connection member introduced in the channel and wherein the hose device includes a transition portion, which is located between the first end portion and the hose portion.
- Such hose devices are comprised by a short milk conduit, which normally is manufactured in a rubber-like material and extends between a teatcup and a teatcup claw of a milking member.
- the short milk conduit may be a separate hose or be a part of a teatcup liner, which is mounted in the shell of the teatcup.
- US-2,341,953 discloses a short milk hose having a bead which extends radially outwardly from the milk hose immediately outside an obliquely cut connection nipple. The purpose of the bead is to prevent the hose from being damaged when the teatcup is falling downwardly.
- US-2, 694,379 discloses a teatcup liner hose having a reduced thickness of material in an area immediately outside the connection portion. The purpose of this reduction is to improve the possibility of the hose to close when the teatcup is hanging downwardly.
- US-3,643,630 discloses a teatcup liner hose having a bended end, which is intended to be attached to a connection nipple.
- the purpose of the bended end appears to be to improve the closing capability of the teatcup liner hose and to ensure a free milk flow in a milking position.
- the object of the present invention is to provide a hose device by which the problems mentioned above may be remedied.
- the hose device initially defined which is characterised in that the channel extends through the transition portion and in a non-mounted state has such a non-circular cross-sectional shape at the transition portion that the channel in the mounted state forms a substantially circular cross-sectional shape. Due to the incompressibility of flexible and elastic materials, including elastomers such as natural and synthetic rubber, it is possible to design the channel with such a non- symmetric, non-circular cross-sectional shape that the deformation mentioned above in the mounted state, i.e. when the end portion of the hose device is mounted to the connection member, results in a substantially circular cross-sectional shape of substantially the whole transition portion of the channel, i.e. in an area immediately outside the connection member.
- connection member has an end surface, which is obliquely cut, i.e. the end forms an annular end surface which is inclined in relation to a longitudinal centre axis of the tubular connection member, wherein the hose device in the mounted state is arranged to be attached to the connection member in such a way that the connection member extends into the transition portion.
- the outer surface of the connection member may, seen in a cross-sectional view, be substantially circular.
- said cross-sectional shape of the channel forms a first portion including a radius and a second outwardly extending portion.
- a cross-sectional shape has an egg-like appearance and has proved to form a substantially circular cross-section when the channel receives an obliquely cut pipe nipple, especially when the hose device is positioned in such a rotary position in relation to the connection member that the second portion in the mounted state is directed towards the obliquely cut end surface.
- said radius may be substantially constant.
- the channel has a longitudinal centre axis, wherein the distance between the second portion and said centre axis is larger than said radius seen in a cross-section through the transition portion. Furthermore, said distance may increase along the transition portion in a direction from the first end portion to a maximum value, whereafter said distance decreases in a direction towards the hose portion.
- the end portion of the hose device includes an end surface, which has a chamfered portion.
- a chamfered portion which may be substantially plane or concave, possibilities are created to displace the end surface of the hose device to abutment against the outer surface of a teatcup claw even if the teatcup claw includes projecting portions reducing the space being available to the short milk hose.
- the orientation in the rotary direction of the hose device is facilitated when the hose device is to be mounted to the connection member.
- the second portion of the channel and the chamfered portion are advantageously located substantially straight after each other seen in the extension of the hose device.
- the hose device has at least at the transition portion an outer surface, which, seen in a cross-sectional view, is substantially circular.
- the hose device may at the transition portion also have a larger wall thickness than at the first end portion and the hose portion. In such a way, the strength of the hose device is improved in this area, which is subjected to wear due to the hose device frequently being bent, for instance in a milk conduit application.
- the hose device includes a bead, which extends around the hose device and in the longitudinal direction of the hose device over substantially the whole transition portion.
- the hose device is on the outer side provided with grooves, which extend in the longitudinal direction of the hose device over substantially the whole transition portion in such a way that the hose device has a tooth wheel-like shape seen in a cross-section through the transition portion.
- Such grooves, or more exactly the longitudinal projections extending between the grooves, also contribute to an improved strength of the transition portion, which is subjected to larger bending stresses.
- Fig 1 discloses a perspective view of a hose device according to an embodiment of the invention.
- Fig 2 discloses a longitudinal section of a part of the hose device in Fig 1 in a non-mounted state.
- Fig 3 discloses a cross-section of the hose device along the line III-III in Fig 2.
- Fig 4 discloses a side-view of a part of the hose device in Fig 1.
- Fig 5 discloses a longitudinal section corresponding to the one in Fig 2 in a mounted state.
- Fig 1 discloses a hose device in the form of a teatcup liner 1 for a teatcup of a milking member.
- the teatcup liner 1 includes an upper part la which is intended to be introduced into a shell of the teatcup, and a lower part lb, which forms a short milk conduit between the teatcup and a teatcup claw of the milking member.
- the upper part la includes an opening through which the teatcup liner is intended to receive a teat during milking of an animal.
- the lower part lb of the teatcup liner 1 includes an end portion 2, a hose portion 3 and a transition portion 4, which is located between the end portion 2 and the hose portion 3, see also Figs 2-4.
- the teatcup liner 1 disclosed is manufactured in one piece of a flexible and elastic rubber material .
- Such rubber materials are substantially incompressible, i.e. the volume of a piece of material remains substantially constant independently of the fact if it is subjected to deformations. This material properties of rubber materials are explained more closely in USE OF RUBBER IN ENGINEERING by P.W. Allen, R.B. Lindley and A-R. Payne; 1967; Maclaren and Sons LTDs, London
- the teatcup liner 1 includes a channel 5, which extends through the first end portion 2, the hose portion 3 and the transition portion 4.
- the channel 5 of the teatcup liner 1 is arranged to transport milk from the teatcup mentioned above to the teatcup claw in order to be supplied therefrom to a milk-collecting member via a long milk conduit.
- the teatcup liner 1 In a rest position, which is disclosed in Fig 1, the teatcup liner 1 extends along a longitudinal axis x, see Figs 2 and
- the teatcup liner 1 has a substantially circular shape seen in a substantially arbitrary cross-section perpendicular to the longitudinal axis x.
- the longitudinal axis x forms the centre axis of the channel 5 in the first end portion 2 and in the hose portion 3 when the teatcup liner 1 is located in a rest state.
- the wall thickness of the teatcup liner 1 is substantially constant along the end portion 2 and the hose portion 3. At the transition portion 4, the teatcup liner 1 has a larger wall thickness than at the end portion 2 and the hose portion 3.
- the teatcup liner 1 is in a mounted state intended to be attached to a connection member 7 in the form of a pipe nipple .
- a pipe nipple 7 forms an inlet member of the teatcup claw, which is indicated by the reference sign 8 in Fig 5.
- the teatcup liner 1 is mounted to the pipe nipple 7 by guiding the latter into the channel 5.
- the pipe nipple 7 has, as appears from Fig 5, an obliquely cut end surface, i.e. the longitudinal axis x is inclined in relation to the end surface by an acute angle ⁇ .
- the teatcup liner 1 is mounted to the pipe nipple 7 in such a way that the teatcup liner 1 extends to abutment against the outer wall 8a of the teatcup claw 8.
- the end portion 2 has an end surface, which is provided with a chamfer 9. As apppears from Fig 5, the chamfer 9 will abut an outer surface 8b of the teatcup claw.
- This outer surface 8b defines a portion of the teatcup claw 8, which extends upwardly from the outer wall 8a and which is arranged to include different functions, such as for instance a closing valve.
- the chamfer 9 may be a substantially plane surface or a curved, concave surface.
- the chamfer 9 permits, in the example disclosed, the teatcup liner 1 to be displaced to abutment against the outer wall 8a of the teatcup claw 8, and thus a defined position of the pipe nipple 7 in the channel 5 in the longitudinal direction of the teatcup liner is defined when the teatcup liner 1 is in the mounted state which is disclosed in Fig 5.
- the end surface of the pipe nipple 7 thus is located in the transition portion 4. More precisely, an outer point of the end surface of the pipe nipple 7 is located at a part of the transition portion 4, which adjoins the hose portion 3 and an inner point of the end surface of the pipe nipple 7, i.e. a point, which is located more closely to the teatcup claw 8, at a part of the transition portion 4, which adjoins the end portion 2.
- the end surface or opening of the pipe nipple 7 thus extends over a substantial part of the transition portion 4.
- the channel 5 has in the non- mounted state a non-circular cross-sectional shape at the transition portion 4. More precisely, the channel 5 has an egg-like cross-sectional shape having a first portion 10, which has a substantially constant radius r and an outwardly extending second portion 11. The distance a from the channel wall of the second portion 11 to the longitudinal axis x is greater than the radius r seen in an arbitrary cross-section through the transition portion 4. More precisely, this distance a is not constant but increases from a value which is equal to the radius r to a maximum value, which is disclosed in Fig 3, and decreases again to the value of the radius r.
- the channel wall of the second portion 11 has a radius, which is less than the radius r and the centre point of which is displaced from the longitudinal axis x in a direction towards the second portion 11.
- the teatcup liner 1 thus has a smaller wall thickness than at the first portion 10 seen in a cross- section through the transition portion 4.
- the maximum value of the distance a is changed in the longitudinal direction x of the teatcup liner 1 from a value corresponding to the radius r in a border area between the hose portion 3 and the transition portion 4 to a maximum value and decreases again to the value of the radius r in a border area between the transition portion 4 and the end portion 2. Thanks to the proposed cross-sectional shape of the transition portion 4 in the non-mounted state, substantially the whole channel 5 will have, when the teatcup liner 1 is mounted to the pipe nipple 7, a substantially circular cross-sectional shape, compare Fig 5.
- the end surface or the opening of the pipe nipple 7 is provided in such a manner that it faces the second portion 11 of the channel 5. Consequently, it is essential that the teatcup liner 1 may be oriented not only in the longitudinal direction but also in a suitable rotary position. Such a orientation is facilitated by the chamfer 9, which advantageously may be provided in such a way that it is located in the same angle position as the second portion 11 in relation to the longitudinal axis x.
- the teatcup liner 1 includes a bead 13, which extends around the teatcup liner 1 and in the longitudinal direction of the teatcup liner 1 along the longitudinal axis x over substantially the whole transition portion 4.
- the bead 13 includes a bead portion 13' , which along a part of the periphery of the transition portion 4 has a prolonged extension in the longitudinal direction x of the teatcup liner 1. This prolonged bead portion 13' is located at the second portion 11, i.e. the first portion 10.
- the teatcup liner 1 is at the transition portion 4, i.e.
- the teatcup liner has a tooth wheel-like shape seen in a cross-section through the transition portion 4.
- the grooves 14 extend substantially parallel to each other and to the longitudinal axis x, and a longitudinal projection 15 is formed between adjacent grooves 14.
- the grooves 14 are not disclosed in Figs 2, 3 and 5.
- the present invention is not limited to the embodiment disclosed but may be varied and modified within the scope of the following claims . It is in particular to be noted that the invention also is applicable to other hose devices than teatcup liners 1. For instance, it may be applied to the long milk conduit between the teatcup claw and the milk- collecting member, or to other hoses of a milking machine or other hoses, which are not intended to transport milk but other liquids and/or gases.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Husbandry (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- External Artificial Organs (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Supports For Pipes And Cables (AREA)
- Confectionery (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001502657A JP4377562B2 (en) | 1999-06-10 | 2000-06-07 | Hose equipment |
CA002377083A CA2377083C (en) | 1999-06-10 | 2000-06-07 | A hose device |
AU57207/00A AU758456B2 (en) | 1999-06-10 | 2000-06-07 | A hose device |
US09/980,295 US7121590B1 (en) | 1999-06-10 | 2000-06-07 | Hose device |
PL352169A PL194981B1 (en) | 1999-06-10 | 2000-06-07 | Hose-type device |
DE60016740T DE60016740T2 (en) | 1999-06-10 | 2000-06-07 | TUBE DEVICE |
NZ516001A NZ516001A (en) | 1999-06-10 | 2000-06-07 | Elastic hose device, typically for milking application, with cross-section that is normally non-circular but circular on assembly to a conduit |
EP00942607A EP1185163B1 (en) | 1999-06-10 | 2000-06-07 | A hose device |
AT00942607T ATE284609T1 (en) | 1999-06-10 | 2000-06-07 | HOSE APPARATUS |
UA2001118216A UA68434C2 (en) | 1999-06-10 | 2000-07-06 | Hose device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9902183-4 | 1999-06-10 | ||
SE9902183A SE514504C2 (en) | 1999-06-10 | 1999-06-10 | tube assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000076298A1 true WO2000076298A1 (en) | 2000-12-21 |
Family
ID=20416016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2000/001180 WO2000076298A1 (en) | 1999-06-10 | 2000-06-07 | A hose device |
Country Status (14)
Country | Link |
---|---|
US (1) | US7121590B1 (en) |
EP (1) | EP1185163B1 (en) |
JP (1) | JP4377562B2 (en) |
AT (1) | ATE284609T1 (en) |
AU (1) | AU758456B2 (en) |
CA (1) | CA2377083C (en) |
DE (1) | DE60016740T2 (en) |
ES (1) | ES2232463T3 (en) |
NZ (1) | NZ516001A (en) |
PL (1) | PL194981B1 (en) |
RU (1) | RU2249346C2 (en) |
SE (1) | SE514504C2 (en) |
UA (1) | UA68434C2 (en) |
WO (1) | WO2000076298A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005018308A1 (en) * | 2003-08-26 | 2005-03-03 | Delaval Holding Ab | A tubular hose device |
JP2006510381A (en) * | 2002-12-20 | 2006-03-30 | デラバル ホールディング エイビー | Milking equipment |
JP2008502361A (en) * | 2004-06-10 | 2008-01-31 | デラバル ホールディング エイビー | Milking equipment |
WO2008085123A1 (en) * | 2007-01-12 | 2008-07-17 | Delaval Holding Ab | A tubular milk hose device, and a teatcup liner |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101686647B (en) | 2007-05-11 | 2013-10-23 | Gea韦斯伐利亚瑟基有限公司 | Milking hose, milking unit comprising milking hose, milking cup and milker |
EP1989937B1 (en) * | 2007-05-11 | 2013-07-03 | GEA WestfaliaSurge GmbH | Milking unit for milking an animal |
US8833300B2 (en) * | 2007-05-11 | 2014-09-16 | Gea Farm Technologies Gmbh | Milking of an animal with reduced teat stress |
CA2785222C (en) | 2010-01-29 | 2015-11-03 | Gea Houle Inc. | Rotary milking station, kit for assembling the same, and methods of assembling and operating associated thereto |
US10036496B1 (en) | 2011-10-20 | 2018-07-31 | Elemental Scientific, Inc. | Fitting with a protrusion |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2694379A (en) * | 1951-11-21 | 1954-11-16 | Int Harvester Co | Teat cup for milking machines |
US3643630A (en) * | 1970-01-08 | 1972-02-22 | Zero Manufacturing Co | Inflation tube connection |
US4196696A (en) * | 1977-02-22 | 1980-04-08 | Alfa-Laval Ab | Shock absorber for teat cup liner |
US5080041A (en) * | 1990-08-30 | 1992-01-14 | Dec International, Inc. | Pre-curved milk tube |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171023A (en) * | 1938-12-19 | 1939-08-29 | Buxton Jay | Rubber faucet extension |
US2341953A (en) | 1942-05-26 | 1944-02-15 | Laval Separator Co De | Milk tube |
US4324201A (en) * | 1980-11-13 | 1982-04-13 | Hi-Life Rubber, Inc. | Milking inflation |
US4527588A (en) * | 1983-12-14 | 1985-07-09 | Warner-Lambert Company | Safety valve |
US4869205A (en) | 1988-06-03 | 1989-09-26 | Hi-Life Rubber Inc. | Milking machine inflation |
EP0683648B1 (en) * | 1993-02-12 | 1998-09-16 | Minnesota Mining And Manufacturing Company | Aerosol delivery apparatus |
US5482004A (en) * | 1994-05-16 | 1996-01-09 | Alfa Laval Agri, Inc. | Collapsible teat liner with reinforced barrel |
US5797627A (en) * | 1995-02-28 | 1998-08-25 | Salter Labs | Swivel |
US6164243A (en) * | 1998-02-13 | 2000-12-26 | Avon Hi-Life, Inc. | Milking inflation |
US6039001A (en) * | 1998-05-19 | 2000-03-21 | Dec International, Inc. | Teatcup liner with desired mouthpiece chamber vacuum |
-
1999
- 1999-06-10 SE SE9902183A patent/SE514504C2/en not_active IP Right Cessation
-
2000
- 2000-06-07 DE DE60016740T patent/DE60016740T2/en not_active Expired - Fee Related
- 2000-06-07 WO PCT/SE2000/001180 patent/WO2000076298A1/en active IP Right Grant
- 2000-06-07 PL PL352169A patent/PL194981B1/en not_active IP Right Cessation
- 2000-06-07 AT AT00942607T patent/ATE284609T1/en not_active IP Right Cessation
- 2000-06-07 EP EP00942607A patent/EP1185163B1/en not_active Expired - Lifetime
- 2000-06-07 AU AU57207/00A patent/AU758456B2/en not_active Ceased
- 2000-06-07 RU RU2001133091/12A patent/RU2249346C2/en not_active IP Right Cessation
- 2000-06-07 ES ES00942607T patent/ES2232463T3/en not_active Expired - Lifetime
- 2000-06-07 JP JP2001502657A patent/JP4377562B2/en not_active Expired - Lifetime
- 2000-06-07 US US09/980,295 patent/US7121590B1/en not_active Expired - Fee Related
- 2000-06-07 NZ NZ516001A patent/NZ516001A/en unknown
- 2000-06-07 CA CA002377083A patent/CA2377083C/en not_active Expired - Fee Related
- 2000-07-06 UA UA2001118216A patent/UA68434C2/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2694379A (en) * | 1951-11-21 | 1954-11-16 | Int Harvester Co | Teat cup for milking machines |
US3643630A (en) * | 1970-01-08 | 1972-02-22 | Zero Manufacturing Co | Inflation tube connection |
US4196696A (en) * | 1977-02-22 | 1980-04-08 | Alfa-Laval Ab | Shock absorber for teat cup liner |
US5080041A (en) * | 1990-08-30 | 1992-01-14 | Dec International, Inc. | Pre-curved milk tube |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006510381A (en) * | 2002-12-20 | 2006-03-30 | デラバル ホールディング エイビー | Milking equipment |
JP2011045378A (en) * | 2002-12-20 | 2011-03-10 | Delaval Holding Ab | Milking device |
US8028656B2 (en) | 2002-12-20 | 2011-10-04 | Delaval Holding Ab | Milking devices |
WO2005018308A1 (en) * | 2003-08-26 | 2005-03-03 | Delaval Holding Ab | A tubular hose device |
JP2008502361A (en) * | 2004-06-10 | 2008-01-31 | デラバル ホールディング エイビー | Milking equipment |
US7856942B2 (en) | 2004-06-10 | 2010-12-28 | Delaval Holding Ab | Milking devices |
JP4733130B2 (en) * | 2004-06-10 | 2011-07-27 | デラバル ホールディング エイビー | Milking equipment |
WO2008085123A1 (en) * | 2007-01-12 | 2008-07-17 | Delaval Holding Ab | A tubular milk hose device, and a teatcup liner |
Also Published As
Publication number | Publication date |
---|---|
CA2377083C (en) | 2009-08-11 |
NZ516001A (en) | 2003-09-26 |
JP4377562B2 (en) | 2009-12-02 |
EP1185163B1 (en) | 2004-12-15 |
EP1185163A1 (en) | 2002-03-13 |
SE514504C2 (en) | 2001-03-05 |
DE60016740T2 (en) | 2005-12-01 |
CA2377083A1 (en) | 2000-12-21 |
DE60016740D1 (en) | 2005-01-20 |
ES2232463T3 (en) | 2005-06-01 |
UA68434C2 (en) | 2004-08-16 |
SE9902183L (en) | 2000-12-11 |
PL352169A1 (en) | 2003-07-28 |
ATE284609T1 (en) | 2005-01-15 |
RU2001133091A (en) | 2004-02-27 |
AU5720700A (en) | 2001-01-02 |
SE9902183D0 (en) | 1999-06-10 |
PL194981B1 (en) | 2007-07-31 |
JP2003501099A (en) | 2003-01-14 |
US7121590B1 (en) | 2006-10-17 |
RU2249346C2 (en) | 2005-04-10 |
AU758456B2 (en) | 2003-03-20 |
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