Mounting assembly for mounting an adapter to a valve stem
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-027/06
B65D-083/30
B65D-083/20
B65D-083/46
출원번호
US-0012405
(2016-02-01)
등록번호
US-10125886
(2018-11-13)
우선권정보
BE-2015/5047 (2015-02-02)
발명자
/ 주소
Demey, Jordi
Poppe, Jean-Marie
출원인 / 주소
ALTACHEM NV
대리인 / 주소
Workman Nydegger
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A mounting assembly for mounting an adapter to a valve stem of a valve of a pressurized container for the application of foam, where the adapter is configured to be mounted by means of the female threaded element onto the male threaded element of the valve stem by means of an axial screwing movement
A mounting assembly for mounting an adapter to a valve stem of a valve of a pressurized container for the application of foam, where the adapter is configured to be mounted by means of the female threaded element onto the male threaded element of the valve stem by means of an axial screwing movement up to the mounted position, wherein the adapter further comprises a locking element at the extreme upstream end that is configured, when mounting, under the effect of the axial screwing movement towards the mounted position, to move past the collar and secure the female threaded element in the mounted position.
대표청구항▼
1. A mounting assembly for mounting an adapter to a valve stem of a valve of a pressurized container for applying a foaming product, the mounting assembly comprising: the valve stem comprising a male mounting portion that extends tubularly up to the extreme downstream end of the valve stem, and comp
1. A mounting assembly for mounting an adapter to a valve stem of a valve of a pressurized container for applying a foaming product, the mounting assembly comprising: the valve stem comprising a male mounting portion that extends tubularly up to the extreme downstream end of the valve stem, and comprising at its outer wall:a radially extending collar positioned axially upstream relative to the extreme downstream end, the collar including a radial top where a maximum radial distance (Rmax) of the collar to a central axis of the male mounting portion is reached; anda male threaded element positioned axially between the collar and the extreme downstream end; andthe adapter comprising a female mounting portion that extends tubularly from an extreme upstream end of the adapter, and the female mounting portion at its inner wall comprising a female threaded element;wherein the adapter is configured to be mounted by means of the female threaded element onto the male threaded element of the valve stem by means of an axial screwing movement up to the mounted position;wherein the adapter further comprises a locking element at the extreme upstream end that is configured, when mounting, under the effect of the axial screwing movement towards the mounted position, to move past the collar and secure the female threaded element in the mounted position, and in the mounted position, the locking element extends radially in the direction toward the central axis of the male mounting portion at a minimum radial distance (Rmin) to the central axis, the minimum radial distance (Rmin) being within the range of 85% to 99% of the maximum radial distance (Rmax); andwherein the mounting assembly reduces a risk of the mounting assembly coming loose while in the mounted position by means of the locking element, while not increasing a risk of leakage while mounting the adapter due to the mounting assembly being configured such that mounting of the adapter takes place by means of the axial screwing movement. 2. A mounting assembly according to claim 1, wherein the collar is configured in such a way that it limits the axial screwing movement up to the mounted position. 3. A mounting assembly according to claim 1, wherein the adapter further comprises a radial widening at its inner wall that is positioned axially between the female threaded element and the extreme upstream end, and that is configured to at least partially enclose the collar when it is in the mounted position. 4. A mounting assembly according to claim 3, wherein the radial widening is positioned axially between the locking element and the female threaded element. 5. A mounting assembly according to claim 4, wherein, in the mounted position: the locking element is positioned axially upstream relative to the radial top. 6. A method for mounting an adapter on a valve stem of a mounting assembly, the method comprising: providing the mounting assembly that comprises the valve stem comprising a male mounting portion that extends tubularly up to the extreme downstream end of the valve stem, and comprising at its outer wall: a radially extending collar positioned axially upstream relative to the extreme downstream end, the collar including a radial top where a maximum radial distance (Rmax) of the collar to a central axis of the male mounting portion is reached; anda male threaded element positioned axially between the collar and the extreme downstream end; andproviding the adapter that comprises a female mounting portion that extends tubularly from an extreme upstream end of the adapter, and the female mounting portion at its inner wall comprising a female threaded element; wherein the adapter is configured to be mounted by means of the female threaded element onto the male threaded element of the valve stem by means of an axial screwing movement up to the mounted position;wherein the adapter further comprises a locking element at the extreme upstream end that is configured, when mounting, under the effect of the axial screwing movement towards the mounted position, to move past the collar and secure the female threaded element in the mounted position; andwherein, when mounting, under the effect of the axial screwing movement towards the mounted position, the locking element moves past the collar and secures the female threaded element in the mounted position, and in the mounted position, the locking element extends radially in the direction toward the central axis of the male mounting portion at a minimum radial distance (Rmin) to the central axis, the minimum radial distance (Rmin) being within the range of 85% to 99% of the maximum radial distance (Rmax); andwherein the mounting assembly reduces a risk of the mounting assembly coming loose while in the mounted position by means of the locking element, while not increasing a risk of leakage while mounting the adapter due to the mounting assembly being configured such that mounting of the adapter takes place by means of the axial screwing movement. 7. The method according to claim 6, wherein the collar is configured in such a way that it limits the axial screwing movement up to the mounted position. 8. The method according to claim 6, wherein the adapter further comprises a radial widening at its inner wall that is positioned axially between the female threaded element and the extreme upstream end, and that is configured to at least partially enclose the collar when it is in the mounted position. 9. The method according to claim 6, wherein the radial widening is positioned axially between the locking element and the female threaded element. 10. The method according to claim 9, wherein, in the mounted position, the locking element is positioned axially upstream relative to the radial top. 11. The mounting assembly according to claim 1, wherein the female mounting portion includes an inner conical zone arranged downstream from the female threaded element, the inner conical zone having an inner surface with an angle relative to the central axis of the male mounting portion such that the diameter of the inner conical zone reduces in the downstream direction. 12. The mounting assembly according to claim 11, wherein at least at a portion of the inner surface of the inner conical zone, the inner diameter of the conical zone is less than a outer diameter of the male mounting portion at a corresponding portion along the central axis to provide a sealing point that prevents leaks between the adapter and the valve stem. 13. The mounting assembly according to claim 11, wherein the angle of the inner surface relative to the central axis of the male mounting portion is 1° to 10°. 14. The mounting assembly according to claim 11, wherein the angle of the inner surface relative to the central axis of the male mounting portion is 2° or 3°. 15. The mounting assembly according to claim 1, wherein the locking element includes two inward facing opposing radial hooks, with a radial gap provided between each of the hooks. 16. The mounting assembly according to claim 1, wherein the locking element includes a continuous inward-projecting radial ring around the full circumference of the interior wall of the female mounting portion. 17. A mounting assembly for mounting an adapter to a valve stem of a valve of a pressurized container for applying a foaming product, the mounting assembly comprising: the valve stem comprising a male mounting portion that extends tubularly up to the extreme downstream end of the valve stem, and comprising at its outer wall:a radially extending collar positioned axially upstream relative to the extreme downstream end; anda male threaded element positioned axially between the collar and the extreme downstream end; andthe adapter comprising a female mounting portion that extends tubularly from an extreme upstream end of the adapter, and the female mounting portion at its inner wall comprising a female threaded element;wherein the adapter is configured to be mounted by means of the female threaded element onto the male threaded element of the valve stem by means of an axial screwing movement up to the mounted position;wherein the adapter further comprises a locking element at the extreme upstream end that is configured, when mounting, under the effect of the axial screwing movement towards the mounted position, to move past the collar and secure the female threaded element in the mounted position; andwherein the mounting assembly reduces a risk of the mounting assembly coming loose while in the mounted position by means of the locking element, while not increasing a risk of leakage while mounting the adapter due to the mounting assembly being configured such that mounting of the adapter takes place by means of the axial screwing movement,wherein the female mounting portion includes an inner conical zone arranged downstream from the female threaded element, the inner conical zone having an inner surface with an angle relative to a central axis of the male mounting portion such that the diameter of the inner conical zone reduces in the downstream direction. 18. The mounting assembly according to claim 17, wherein at least at a portion of the inner surface of the inner conical zone, the inner diameter of the conical zone is less than a outer diameter of the male mounting portion at a corresponding portion along the central axis to provide a sealing point that prevents leaks between the adapter and the valve stem. 19. The mounting assembly according to claim 17, wherein the angle of the inner surface relative to the central axis of the male mounting portion is 1° to 10°. 20. The mounting assembly according to claim 17, wherein the angle of the inner surface relative to the central axis of the male mounting portion is 2° or 3°.
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