Coating process for glass containers
Abstract
Abstract A METHOD OF MANUFACTURING GLASS CONTAINERS COMPRISES CONTACTING THE CONTAINERS, IMMEDIATELY AFTER FORMING AND WHILST THEY ARE STILL HOT, WITH A THERMALLY STABLE METALORGANIC COMPOUND IN LIQUID FORM, SUBJECTING THE TREATED CONTAINERS TO A HEAT TREATMENT TO CAUSE THE METAL-ORGANIC COMPOUND TO REACT WITH THE GLASS AND FORM A DIFFUSE LAYER OF REACTION PRODUCT WITHIN THE GLASS SURFACE, AND TREATING THE CONTAINERS WHILE AT A TEMPERATURE OF AT LEAST 450*C. WITH A LIQUID OR VAPOUR METAL COMPOUND WHICH DECOMPOSES RAPIDLY TO PRODUCE A SURFACE FILE OF METAL OXIDE. THE METAL-ORGANIC COMPOUND MAY BE A COMPOUND OF TIN, TITANIUM, COBALT, MANGANESE OR CHROMIUM. THE LIQUID OF VAPOUR METAL COMPOUND MAY BE A COMPOUND OF TIN, TITANIUM, IRON, CHROMIUM OR ALUMINIUM. A SINGLE REAGENT MAY PRODUCE BOTH THE METAL-ORGANIC COMPOUND AND THE LIQUID OR VAPOUR METAL COMPOUND.
Inventors
- 👤 S Budd
Bibliographic Details
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