Conveyor for treating hollow bodies comprising an advanced pressure distribution circuit
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C23C-016/00
C23F-001/00
C25B-011/00
출원번호
US-0937433
(2000-03-24)
우선권정보
FR-1999-904115 (1999-03-30)
국제출원번호
PCT/FR00/00766
(2000-03-24)
국제공개번호
WO00/58631
(2000-10-05)
발명자
/ 주소
Guiffant, Alain
Rius, Jean-Michel
출원인 / 주소
Sidel
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
8인용 특허 :
6
초록▼
Aconveyer for treating hollow bodies, comprising several identical treatment stations ( 12, 13 ) that process at least one hollow body, whereby the respective treatment station for a given treatment stage communicates with a pressure source via distribution means that include a tight revolving exten
Aconveyer for treating hollow bodies, comprising several identical treatment stations ( 12, 13 ) that process at least one hollow body, whereby the respective treatment station for a given treatment stage communicates with a pressure source via distribution means that include a tight revolving extention. The invention is characterized in that the machine includes at least two independent and equivalent pressure sources (A 1 , A 2 ) for the given treatment stage. The invention is also characterized in that it is divided up into the same number of treatment stations ( 12, 13 ) as the number of pressure sources existing for the machine and in that the distribution device ( 18 ) are such that each pressure source (A 1 , A 2 ) is associated with a specific group.
대표청구항▼
1. A carousel machine comprising:a carousel on which a plurality of treatment stations ( 12 , 13 ) are provided, the treatment stations for treating a hollow container, the treatment stations being segregated into at least two groups;a distribution device ( 18 ) coupling the treatment stations to a
1. A carousel machine comprising:a carousel on which a plurality of treatment stations ( 12 , 13 ) are provided, the treatment stations for treating a hollow container, the treatment stations being segregated into at least two groups;a distribution device ( 18 ) coupling the treatment stations to a pressure source during a treatment stage;wherein the pressure source includes at least two pumps (A 1 , A 2 ) for providing sources of independent and equivalent pressure to the treatment stations during the treatment stage; andwherein the distribution device ( 18 ) couples each of the at least two pumps (A 1 , A 2 ) to only one distinct group of treatment stations, such that only one of the pumps (A 1 ) is connectable to only one group of treatment stations ( 12 ) and the other pump (A 2 ) is connectable to only the other group of treatment stations ( 13 ). 2. A machine according to claim 1, wherein the distribution device is configured such that, at any instant, one of the pumps is connected to, at most, one treatment station. 3. A machine according to claim 1, wherein the distribution device ( 18 ) configured such that at least one station ( 12 ) of a group is connected to an associated pump (A 1 ), while at least one station ( 13 ) of another group is connected to an associated pump (A 2 ). 4. A machine according to claim 1, wherein the distribution device includes a swivel coupling having as many routes as the machine has pumps for separately feeding the groups of treatment stations, and wherein the distribution device includes, downstream of the swivel coupling, a plurality of individual valves associated with each treatment station. 5. A carousel machine for the treatment of hollow containers, the machine including a carousel provided with identical treatment stations ( 12 , 13 ) whose purpose is to treat at least one hollow container, and of the type in which, for at least one stage of treatment, the treatment station is connected to a pressure source by a distribution device involving a sealed swivel coupling,wherein, for the stage, the machine comprises at least two sources of independent and equivalent pressure (A 1 , A 2 ), and that the treatment stations are distributed into as many groups ( 12 , 13 ) as the machine involves sources, and wherein the distribution device ( 18 ) is such that each source (A 1 , A 2 ) is associated with a distinct group of treatment stations, andwherein the sealed swivel coupling is a rotating distributor ( 18 ) involving two coaxial crowns including a stationary crown ( 20 ) and a rotating crown ( 22 ), which are in contact with each other in a sealed manner at adjacent contact surfaces ( 24 , 26 ),wherein the rotating crown ( 22 ) has communication ports ( 28 , 29 ), which are each connected to a treatment station ( 12 , 13 ), which are distributed in at least as many series as the machine has sources for the stage; and which terminate in the contact surface ( 26 ) of the rotating crown ( 22 ), and the communication ports of one same series, all correspond to treatment stations of one same group, and follow the same trajectory, while the communication ports of the two different series follow different trajectories,wherein the stationary crown ( 20 ) has lights ( 34 , 35 ) which are connected to the pressure sources (A 1 , A 2 ), each of which terminates at the contact surface ( 24 ) of the stationary crown ( 20 ) in such a way as to be on the trajectory of a series of communication ports ( 28 , 29 ) of the rotating crown ( 22 ), such that one treatment station is connected to a pressure source when the corresponding communication port is in line with a light associated with this source,wherein the stationary crown has at least as many distinct series of at least one light, as the number of the series of communication ports, and wherein the two sources of pressure (A 1 , A 2 ) are each connected to a light of two distinct series of lights ( 34 , 35 ) of the stationary crown ( 20 ). 6. A ma chine according to claim 5, wherein the communication ports ( 28 , 29 ) of all the treatment stations ( 12 , 13 ) of one same group, belong to the same series. 7. A machine according to claim 6, wherein the contact surfaces ( 24 , 26 ) of the two crowns ( 20 , 22 ) are annular faces perpendicular to an axis of rotation (X—X) of the carousel ( 16 ). 8. A machine according to claim 7, wherein the communication ports ( 28 , 29 ) of one same series are positioned along a circle, and wherein the two series of communication ports ( 28 , 29 ) are positioned according to two circles of different diameters. 9. A machine according to claim 8, wherein the communication ports ( 28 , 29 ) of one same series are distributed angularly in a regular fashion around the axis of rotation (X—X) of the carousel ( 16 ), and wherein the communication ports ( 28 , 29 ) of two different series involving the same number of communication ports are intercalated angularly. 10. A machine according to claim 8, wherein the lights ( 34 , 35 ) corresponding to two independent and equivalent sources of pressure (A 1 , A 2 ), and utilized for said stage, are fitted with an angular displacement (α) and on different diameters, corresponding respectively to the diameters of circles according to which the series of communication ports ( 28 , 29 ) are fitted, corresponding to the sources. 11. A machine according to claim 10, wherein two consecutive communication ports of one same series are angularly separated by an angular displacement (β) at least equal to the angular displacement (α) on which is mounted the corresponding light of the series. 12. A machine according to claim 5, wherein during a second stage of treatment, the treatment stations ( 12 , 13 ) are connected, by means of the rotating distributor ( 18 ), with secondary sources of pressure (B 1 , B 2 ) to attain a second level of pressure, in that the stationary crown ( 20 ) includes, by extending each of the first lights ( 34 , 35 ), secondary lights ( 36 , 37 ) which are connected each to a respective secondary pressure source (B 1 , B 2 ), and wherein the two lights associated with the same series of communication ports ( 28 , 29 ) are separated by an angular displacement (δ) which prevents the simultaneous connection of one communication port with two lights. 13. A machine according to claim 1, wherein the sources of pressure (A 1 , A 2 ) are at a pressure less than atmospheric pressure. 14. A machine according to claim 1, wherein the treatment includes a stage for which a cold, low-pressure plasma is created, for the purpose of coating the hollow container, and at least one pumping stage for lowering the internal pressure of the treatment stations, and wherein the independent and equivalent pressure sources which allow for the realization of the pumping stage, consist of at least two pumps (A 1 , A 2 ). 15. A rotating distributor for a carousel machine for treatment of hollow containers, the machine involving several identical treatment stations ( 12 , 13 ) each one designed to treat at least one hollow container, wherein the rotating distributor ( 18 ) has two coaxial crowns including a stationary crown ( 20 ) and a rotating crown ( 22 ), which are in contact with each other in a sealed manner, by way of adjacent contact surfaces ( 24 , 26 ),wherein the rotating crown ( 22 ) includes communication ports ( 28 , 29 ) which are connectable to a treatment station, and which terminate on the contact surface of the rotating crown,wherein the stationary crown ( 20 ) includes at least one light which is connectable to a pressure source of the machine, and which terminates on the contact surface of the stationary crown in such a way as to be on the trajectory of the communication ports of the rotating crown, in such a way that one treatment station is connected to the pressure source when the corresponding communication port finds is in line with the light,wherein the comm unication ports of the rotating crown are distributed into at least two series ( 28 , 29 ), the communication ports of one same series follow the same trajectory while the communication ports of two different series follow different trajectories,wherein the stationary crown ( 20 ) has as many distinct series of at least one light, as the number of the series of communication ports, each of the lights being fitted on the trajectory of one of the series of communication ports, and the two independent and equivalent pressure sources are each connected to one light of two distinct series. 16. A rotating distributor according to claim 15, wherein the contact surfaces ( 24 , 26 ) of the two crowns are annular faces, perpendicular to an axis of rotation (X—X) of the rotating crown ( 22 ). 17. A rotating distributor according to claim 16, wherein the communication ports ( 28 , 29 ) of one same series are fitted along a circle, and in that the two series of communication ports are fitted according to two circles of different diameters. 18. A rotating distributor according to claim 15, wherein the communication ports ( 28 , 29 ) of one same series are distributed angularly in a regular manner around an axis of rotation (X—X), and in that the communication ports of the two different series involving the same number of ports are intercalated angularly. 19. A rotating distributor according to claim 17, wherein the lights ( 34 , 35 ) corresponding to two sources of pressure (A 1 , A 2 ) are fitted on the same angular displacement (α) and on the different diameters corresponding respectively to the diameters of the circles according to which are fitted the series of communication ports ( 28 , 29 ) corresponding to the sources of pressure. 20. A rotating distributor according to claim 17, wherein two consecutive communication ports of one same series ( 28 , 29 ), are separated by an angular displacement (β) at least equal to the angular displacement (α) on which is fitted the light ( 34 , 35 ) corresponding to the series of communication ports. 21. A rotating distributor according to claim 15, wherein the stationary crown includes, for each series of lights, at least two more lights ( 34 , 36 ) one following the other, and in that these two lights ( 34 , 36 ) of one same series, are separated by an angular displacement (δ) preventing the simultaneous connection one communication port with two lights.
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