IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0733298
(2008-09-03)
|
등록번호 |
US-8453686
(2013-06-04)
|
우선권정보 |
DE-10 2007 042 433 (2007-09-06) |
국제출원번호 |
PCT/EP2008/007181
(2008-09-03)
|
§371/§102 date |
20100223
(20100223)
|
국제공개번호 |
WO2009/033595
(2009-03-19)
|
발명자
/ 주소 |
- Klaus, Horst
- Kirsten, Matthias
|
출원인 / 주소 |
- IWK Verpackungstechnik GmbH
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
12 |
초록
▼
Tubes are directed to a filling station (15) for filling the tubes (T) in a tube-filling machine, and, in the filling station, a liquid or highly viscous product (P) is poured into the tubes by means of a filling apparatus (16). Each tube is also weighed and the actual weight is compared with a desi
Tubes are directed to a filling station (15) for filling the tubes (T) in a tube-filling machine, and, in the filling station, a liquid or highly viscous product (P) is poured into the tubes by means of a filling apparatus (16). Each tube is also weighed and the actual weight is compared with a desired weight. The filling apparatus is adjusted if the variance between the actual weight and the desired weight lies outside predetermined limits. In the process, the weighing of the tubes in the tube-filling machine occurs within 5 sec. after the end of the filling operation, either already in the filling station or between the filling station and an ejection station (22) for bad tubes (T′).
대표청구항
▼
1. A method for filling tubes in a tube-filling machine, the method comprising the steps of: a) directing the tubes to a filling station of the tube-filling machine;b) introducing, in the filling station, a liquid or highly viscous product into the tubes by means of a filling apparatus;c) weighing,
1. A method for filling tubes in a tube-filling machine, the method comprising the steps of: a) directing the tubes to a filling station of the tube-filling machine;b) introducing, in the filling station, a liquid or highly viscous product into the tubes by means of a filling apparatus;c) weighing, following step b), each tube after being filled;d) comparing an actual weight with a desired weight;e) adjusting the filling apparatus if a variance between the actual weight and the desired weight lies outside predetermined limits; andf) ejecting bad tubes in an ejection station, wherein weighing of the tubes in the tube-filling machine, in the filling station or between the filling station and the ejection station, occurs no later than 5 seconds after completion of step b). 2. The method of claim 1, wherein weighing of the tubes occurs no later than 3 sec. after an end of a filling operation. 3. The method of claim 1, wherein weighing of the tubes occurs no later than 2 sec. after an end of a filling operation. 4. The method of claim 1, wherein a setting of the filling apparatus remains unchanged if the variance between the actual weight and the desired weight lies within predetermined limits. 5. The method of claim 1, wherein, if the variance between the actual weight and the desired weight lies outside predetermined limits, an average correction value is determined from a weight of n subsequent tubes, on a basis of which the filling apparatus is adjusted. 6. The method of claim 5, wherein n=2 to 10. 7. The method of claim 6, wherein n=2 to 5. 8. The method of claim 1, wherein a filled tube is located in a tube holder and is weighed together therewith, a weight of the tube holder being stored and subtracted from a derived weight. 9. The method of claim 1, wherein a filled tube is located in a tube holder and is lifted out of the tube holder for a weighing process. 10. The method of claim 1, wherein a weight of an empty tube is determined before a filling operation and is subtracted from a subsequently determined weight of a filled tube. 11. An apparatus for filling tubes in a tube-filling machine, the apparatus comprising: a filling station, said filling station having a mechanism for introducing the tubes thereto;a filling apparatus disposed in said filling station, said filling apparatus structured to introduce a liquid or highly viscous product into the tubes;one single filled-tube weighing mechanism, said filled-tube weighing mechanism disposed downstream of said filling apparatus to weigh each tube after filling thereof, wherein no transverse displacement of filled-tubes is required prior to weighing thereof;means for comparing an actual weight to a desired weight;a filling apparatus adjustment mechanism, said adjustment mechanism structured to adjust said filling apparatus if a variance between the actual weight and the desired weight lies outside predetermined limits; andan ejection station disposed downstream of said filling apparatus and said filled-tube weighing mechanism for ejecting bad tubes, wherein weighing of the tubes in the tube-filling machine, in said filling station or between said filling station and said ejection station occurs no later than 5 seconds after filling of the tubes. 12. The apparatus of claim 11, wherein said filled-tube weighing mechanism is disposed inside the tube-filling machine, said comparing means comprising a control apparatus that receives a weight signal from said filled-tube weighing mechanism and controls said filling apparatus after having evaluated said weight signal. 13. The apparatus of claim 12, wherein an empty tube weighing station is disposed upstream of said filling station, which conveys an empty tube weight signal to said control apparatus.
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