Refrigeration – Processes – Treating an article
Reexamination Certificate
2000-06-05
2001-10-16
Wayner, William (Department: 3744)
Refrigeration
Processes
Treating an article
C062S374000, C072S201000
Reexamination Certificate
active
06301906
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a method of adjusting, with an adjusting element, a position of two shield elements for a liquid cooling medium and arranged above a metal strip having a strip plane, a strip central axis, and a strip central plane extending transverse to the strip plane and intersecting the same along the strip central axis with, the two shield elements being located opposite each other with respect to the strip central plane and having each an adjustable component identical to the adjustable component of another of the two shield elements and adjustable transverse to the strip central plane, and a device for effecting the method.
2. Description of the Prior Act
An above-described method and a device for effecting the same are disclosed in German Patent No. 3,230,866. Generally, in accordance with the state of the art, the adjustment of shield elements in effected by a motor which is connected with the shield elements for adjusting same by shafts, gear sets, and threaded rods.
The devices for effecting the adjustment of the shield elements are understandably complicated, are malfunction-prone and expensive.
Accordingly, an object of the present invention is to provide a method of and a device for adjustment of shield elements which would insure an easier and more reliable adjustment of the shield elements.
Another object of the present invention is to provide a shield element adjusting device that can be cost-effectively produce.
SUMMARY OF THE INVENTION
These and other objects of the present invention, which will become apparent hereinafter, are achieved by providing shield element adjusting method and apparatus or device according to which an adjusting element is arranged in the central plane of the strip and is adjustable therein.
The provision of the adjusting element in the strip central plane provides for an adjustment of the shield elements with the adjusting element without the use of complicated mechanisms. In particular, it become possible to simply connect the adjusting element with the shield elements by connecting rods.
The adjustment of the shield elements can be effected only transverse to the strip central plane. This can be carried out by displacing the shield elements in guide rails extending parallel to the strip plane.
However, it is also possible to effect an adjustment of the shield elements parallel to the strip central plane. This is carried out by pivoting the shield elements about respective pivot points.
A particularly effective adjustment of the shield elements takes place when the two shield elements are connected with the two pivot points, respectively, by support arms each of which is provided with a hinge point located between the pivot point and the shield element and connected with adjusting element by a connecting rod. The adjustment of the shield elements is effected in accordance with a lever principle.
When the relationship between adjustment of the adjusting element and the adjustment of the shield elements is not linear, as is the case when the adjustment of the shield elements takes place transverse to the strip central plane, the adjustment of the adjusting element is effected by a control element in accordance with a required adjustment of the shield element which is preset in the control element. Thereby, a precise adjustment of the shield elements is effected despite the non-linear relationship between the adjustment of the adjusting element and the adjustment of the shield elements.
The adjustment of the shield elements can be effected in a particular simple manner and with great precision when a plurality of adjustment pairs of required adjustment of the shield element/adjustment of the adjusting element is preset in the control element, and the control element carries out an interpolation between the adjustment pairs for determining the necessary adjustment of the adjusting element in order to obtain a required adjustment of the shield elements.
The novel features of the present invention, which are considered as characteristic for the invention, are set forth in the appended claims. The invention itself, however, both as to its construction and its mode of operation, together with additional advantages and objects thereof, will be best understood from the following detailed description of preferred embodiments, when read with reference to the accompanying drawings.
REFERENCES:
patent: 5526652 (1996-06-01), Mantovan
patent: 3230866 (1983-04-01), None
Cramer Marcus
Holterhoff Peter
Seidel Jurgen
Thiel Hermann
Sidley Austin Brown & Wood LLP
SMS Schloemann-Siemag AG
Wayner William
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