Method for statistic weighing of a product introduced into containers in a filling machine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-001/46
B65B-001/30
B65B-003/28
B65B-003/00
B65B-057/02
G01G-015/00
G01G-013/00
출원번호
US-0248445
(2005-10-11)
등록번호
US-7503353
(2009-03-17)
우선권정보
IT-BO2004A0625(2004-10-13)
발명자
/ 주소
Monte,Giuseppe
출원인 / 주소
Marchesini Group S.p.A.
대리인 / 주소
Sapone,William J.
인용정보
피인용 횟수 :
3인용 특허 :
10
초록▼
According to a method for statistical weighing of a product supplied by a plurality of nozzles into containers, an empty container, belonging to a withdrawing group, is withdrawn to define an empty seat in the withdrawing group. The withdrawn empty container is weighed by a scale, to determine a tar
According to a method for statistical weighing of a product supplied by a plurality of nozzles into containers, an empty container, belonging to a withdrawing group, is withdrawn to define an empty seat in the withdrawing group. The withdrawn empty container is weighed by a scale, to determine a tare weight, and then introduced in an empty seat made in a test group of containers, is a position designed to match with a selected nozzle to be tested. After introducing product into the weighed, empty container, by the selected nozzle, the filled container is withdrawn and weighed by the same scale to determine a gross weight. The exact quantity of product introduced into the filled container is thus determined by difference between the tare and gross weights.
대표청구항▼
What is claimed is: 1. A method for statistical weighing of a product introduced into containers in a filling line of a filling machine, said filling line moving in a forward direction and receiving said containers in seats; said product being supplied by delivery means consisting of a plurality of
What is claimed is: 1. A method for statistical weighing of a product introduced into containers in a filling line of a filling machine, said filling line moving in a forward direction and receiving said containers in seats; said product being supplied by delivery means consisting of a plurality of nozzles, matching with apertures of a group of containers moving through a working area of said filling line; the method including the following operation steps: F) withdrawing an empty container, belonging to a first withdrawing group, from the filling line, to define an empty seat in said first withdrawing group; G) transferring the empty withdrawn container onto a scale located adjacent to the working area of the filling line, weighing said withdrawn empty container, by means of said scale, to determine a tare weight of said empty container; H) withdrawing the empty weighed container from the scale and introducing the weighed empty container back into said filling line, in an empty seat, made in a first test group of containers, the empty seat matching with a selected nozzle to be tested, in said working area; I) moving the first test group of containers into the working area and introducing product into the weighed empty container, by means of said selected nozzle, up to a pre-established filling level; J) withdrawing the filled container from said filling line, downstream of said working area, thus redefining the empty seat in the first test group of containers; K) transferring the filled container onto the scale and weighing, by said scale, the withdrawn filled container, to determine a gross weight thereof, so as to determine the quantity of product introduced into the filled container, by determining the difference between the corresponding values of tare and gross weight, which were obtained from the same scale. 2. The method of claim 1, further including, in time relation with the weighing of the withdrawn filled container, by said scale; F1) introducing the filled and weighed container into the filling line, downstream of said working area, in an empty seat, made in a first restore group. 3. The method of claim 2, wherein said first restore group coincides with said first test group. 4. The method of claim 1, further including, in step relation with the weighing of the withdrawn filled container, by said scale: F2) positioning the filled and weighed container in a waiting station; F3) withdrawing an empty container, belonging to a second withdrawn group, from the filling line, so as to leave therein an empty seat; F4) weighing of said withdrawn container, by said scale, in order to determine its tare; F5) transferring said filled and weighed container from the waiting station to the filling line, to the empty seat defined in said second withdrawn group, downstream of said working area; F6) introducing said empty, weighed container, into the filling line, to an empty seat defined in a second test group, designed to match with a selected nozzle to be tested; F7) introducing product into the empty, weighed container, by the selected nozzle, up to a pre-established filling level; F8) withdrawing said filled container from the filling line downstream of said working area, redefining said empty seat of the same first test group; F9) weighing the withdrawn filled container, by the scale, to determine a gross weight thereof, so as to determine the quantity of product introduced into the filled container, by determining the difference between the corresponding values of tare and gross weight, which were obtained from the same scale. 5. The method of claim 4, wherein said waiting station is situated near the scale. 6. The method of claim 4, further including, in time relation with withdrawing of an empty container, belonging to a second withdrawing group, temporary deactivation of the nozzle matching with said empty seat, when the second withdrawing group passes through said working area. 7. The method of claim 4, further including introduction of the empty, weighed container, into the empty seat, made in said second testing group, upstream of the working area. 8. The method of claim 4, further including introduction of the empty, weighed container, into the empty seat made ion said second test group, in the working area. 9. The method of claim 1, further including withdrawing of an empty container from the filling line being performed upstream of the working area. 10. The method of claim 1, wherein said first withdrawn group coincides with said first test group. 11. The method of claim 1, further including, in time relation with withdrawing of an empty container, belonging to a first withdrawn group, temporary deactivation of the nozzle designed to match with said empty seat, when the second withdrawing group passes through said working area. 12. The method of claim 1, further including introduction of the empty, weighed container, into the empty seat, made in said first test group, up stream of the working area. 13. The method of claim 1, further including introduction of the empty, weighed container, into the empty seat, made in said first test group, in the working area. 14. The method of claim 1, further including at least one manipulating member, cooperating with said scale, for withdrawing/introducing said empty container or filled container from/into said filling line. 15. The method of claim 1, further including a plurality of manipulating members, cooperating with said scale, for withdrawing/introducing said empty container or filled container from/into said filling line. 16. The method of claim 1, wherein said plurality of nozzles is operated so as to translate alternatively, according to forward and backward strokes, respectively in the same and in opposite direction with respect to the forward direction of said filling line. 17. The method of claim 1, wherein said operation steps are performed for each nozzle of said delivery means. 18. The method of claim 17, further including a plurality of statistical weighing cycles, at prefixed time intervals. 19. The method of claim 1, wherein said filling line is operated continuously. 20. The method of claim 1, wherein said filling line is operated stepwise.
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이 특허에 인용된 특허 (10)
Werner Mayer DE; Detlef Boertz DE, Apparatus for metering and dispensing a liquid into packaging containers.
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