Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling means controlled by gas condition in receiver
Reexamination Certificate
1999-08-12
2001-02-27
Douglas, Steven O. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling means controlled by gas condition in receiver
C141S048000, C141S049000, C141S063000
Reexamination Certificate
active
06192946
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a bottling system to fill bottles or similar containers with a liquid product.
2. Background Information
Known devices describe a wide variety of bottling systems of this type, in particular systems for unpressurized bottling, systems for bottling under counter pressure using the single-chamber principle, as well as bottling under counter pressure using the three-chamber principle.
OBJECT OF THE INVENTION
An object of the present invention is to describe a bottling system with which different bottling methods can be employed easily and without any great effort or expense, and ultimately merely by modifying the control program.
SUMMARY OF THE INVENTION
The invention teaches that this object can be accomplished by a bottling system to fill bottles or similar containers with a liquid product, with a plurality of filling elements, with d common product chamber for at least one group of filling elements, with a common first and second gas chamber for at least one group of filling elements, and a liquid duct that is realized in a housing of each filling element. The duct is in communication with the product chamber and empties into a fill tube that forms a discharge opening for the product, which fill tube projects beyond a container stop and/or centering device formed on the filling element. A liquid valve in the liquid duct can be individually actuated by means of an actuator element by a central control device at least for a group of filling elements, each of which can be actuated individually, and namely for an opening in the filling phase and for a closing at the end of the filling phase. A gas duct that is realized in the housing of each filling element is in communication with a gas duct orifice that is provided on the container stop and is offset with respect to the fill tube, and when the container is placed in sealed contact with the filling element is in communication with the interior of the container. The system also contains at least a first, second and third control valve, each of which can be actuated individually by the control device, to control gas paths that are realized in the housing of each filling element, whereby a first control valve can be in communication on the input side via a first gas path with an area of the liquid duct that can be downstream of the liquid valve in the direction of flow of the product. The first valve can be connected on the output side to the gas duct, a second control valve can be connected on the input side to a second gas path leading to the first gas chamber, and on the output side to the gas duct, and a third control valve can be connected on the input side to the gas duct and on the output side to a third gas path leading to the second gas chamber. Between the gas duct and the third gas path or the second gas chamber, there can be a fourth gas path which can have a pressure control valve, which, if the differential pressure applied to the pressure control valve exceeds a specified threshold, can open to allow a flow out of the gas duct into the third gas path or into the second gas chamber.
The system claimed by the invention makes possible an unpressurized bottling and also makes it possible with little effort or expense, and ultimately merely by modifying the control program, to conduct bottling operations under counter pressure using the single-chamber bottling principle and also bottling operations under counter pressure using the three-chamber principle.
The subclaims and features disclose refinements of the invention.
The above discussed embodiments of the present invention will be described further hereinbelow with reference to the accompanying figures. When the word “invention” is used in this specification, the word “invention” includes “inventions”, that is, the plural of “invention”. By stating “invention”, the Applicants do not in any way admit that the present application does not include more than one patentably and non-obviously distinct invention, and maintains that this application may include more than one patentably and non-obviously distinct invention. The Applicants hereby assert that the disclosure of this application may include more than one invention, and, in the event that there is more than one invention, that these inventions may be patentable and non-obvious one with respect to the other.
REFERENCES:
patent: 5082033 (1992-01-01), Weiss
patent: 5634500 (1997-06-01), Clusserath et al.
Douglas Steven O.
KHS Maschinen - und Anlagenbau AG
Nils H. Ljungman & Associates
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