Process for finishing float glass
First Claim
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1. IN THE METHOD OF FORMING A GLASS SHEET BY DEPOSITING MOLTEN GLASS ON A BATH OF MOLTEN TIN OR AN ALLOY OF TIN TO FORM A SHEET OF GLASS SUPPORTED ON THE SURFACE OF SAID BATH, AND REMOVING FROM THE SURFACE OF SAID BATH A SHEET OF GLASS THAT EXHIBITS IRIDESCENCE UON HEATING OR UPON HEATING AND BENDING, THE IMPROVEMENT COMPRISING REMOVING IN THE ABSENCE OF AN ABRASIVE, AT LEAST A PORTION OF THE SURFACE OF THE GLASS THAT WAS IN CONTACT WITH SAID BATH WITHOUT SUBSTANTIALLY CHANGING THE THICKNESS OF THE GLASS.
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1 Claim
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1. IN THE METHOD OF FORMING A GLASS SHEET BY DEPOSITING MOLTEN GLASS ON A BATH OF MOLTEN TIN OR AN ALLOY OF TIN TO FORM A SHEET OF GLASS SUPPORTED ON THE SURFACE OF SAID BATH, AND REMOVING FROM THE SURFACE OF SAID BATH A SHEET OF GLASS THAT EXHIBITS IRIDESCENCE UON HEATING OR UPON HEATING AND BENDING, THE IMPROVEMENT COMPRISING REMOVING IN THE ABSENCE OF AN ABRASIVE, AT LEAST A PORTION OF THE SURFACE OF THE GLASS THAT WAS IN CONTACT WITH SAID BATH WITHOUT SUBSTANTIALLY CHANGING THE THICKNESS OF THE GLASS.
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Current AssigneeHenry M. Demarest Jr, William C. Harrell
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Original AssigneeHenry M. Demarest Jr, William C. Harrell
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InventorsHarrell, William C., Demarest, Henry M. Jr.
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Application NumberUS04/385,874Time in Patent Office832 DaysField of SearchUS Class Current65/31CPC Class CodesC03B 18/02 Forming sheetsC03C 15/00 Surface treatment of glass,...Y02P 40/57 Improving the yield, e-g- r...
