Glass manufacturing – With mechanical cutter – scorer – or scriber for article or...
Patent
1996-10-15
1998-06-02
Czaja, Donald E.
Glass manufacturing
With mechanical cutter, scorer, or scriber for article or...
65 97, 65105, 65112, 83879, C03B 3303
Patent
active
057592225
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a glass-plate working apparatus for manufacturing, for example, window glass for an automobile, such as a front window, a side window, and a rear window, panes for buildings, and other glass plates of predetermined configurations by bend-breaking unworked plate glass into a given configuration and by grinding a bend-broken edge of the bend-broken glass plate.
BACKGROUND ART
Conventionally, in a conventional glass-plate working apparatus of this type, a glass-plate carrying-in section and a main cut-line forming section in proximity to the glass-plate carrying-in section are disposed. In this main cut-line forming section, a given main cut line for bend-breaking is formed on unworked plate glass, and then the unworked plate glass on which the main cut line for bend-breaking has been formed is transported to a glass plate bend-breaking section which is disposed in proximity to the main cut-line forming section. In the glass plate bend-breaking section, an edge cut line is formed on the unworked plate glass on which the main cut line has been formed. Subsequently, the unworked plate glass on which the main cut line and the edge cut line have been formed is subjected to bend-breaking. The bend-broken edge of the bend-broken glass plate is ground in a glass plate peripheral-edge grinding section which is disposed in proximity to the glass-plate bend-breaking section.
With the glass-plate working apparatus described above, since the formation of a main cut line, bend-breaking, and grinding are carried out with respect to one glass plate at a time in the main cut-line forming section, the glass plate bend-breaking section, and the glass plate peripheral-edge grinding section, respectively, it takes a relatively long working time, resulting in a decline in productivity.
The present invention has been devised in view of the above-described aspects, and its object is to provide a glass-plate working apparatus which is capable of concurrently effecting the formation of main cut lines, bend-breaking, and peripheral-edge grinding with respect to a multiplicity of glass plates, thereby making it possible to reduce the working time and improve productivity.
Another object of the present invention is to provide a glass-plate working apparatus which is capable of effecting a multiple operation in the bend-breaking section which requires a relatively long working time, thereby making it possible to further reduce the working time and improve productivity.
DISCLOSURE OF THE INVENTION
In accordance with the present invention, the above objects are attained by a glass-plate working apparatus comprising: a glass plate carrying-in section; a main cut-line forming section disposed in proximity to the glass plate carrying-in section; a glass plate bend-breaking section disposed in proximity to the main cut-line forming section; a glass plate peripheral-edge grinding section disposed in proximity to the glass plate bend-breaking section; and a glass plate carrying-out section disposed in proximity to the glass plate peripheral-edge grinding section, wherein each of the main cut-line forming section, the glass plate bend-breaking section, and the glass plate peripheral-edge grinding section is arranged to concurrently process at least two glass plates.
The glass-plate working apparatus may further comprise: a transporting device for concurrently transporting at least two glass plates from the glass plate carrying-in section to the main cut-line forming section, from the main cut-line forming section to the glass plate bend-breaking section, from the glass plate bend-breaking section to the glass plate peripheral-edge grinding section, and from the glass plate peripheral-edge grinding section to the glass plate carrying-out section, respectively. In this case, the transporting device is preferably so constructed as to transport the at least two glass plates arranged in series in a transporting direction, and the main cut-line forming section, the glass plate bend-breaking sectio
REFERENCES:
patent: 4698088 (1987-10-01), Bando
patent: 5301867 (1994-04-01), Bando
Bando Kiko Co., Ltd.
Czaja Donald E.
Vincent Sean
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