Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US191833Aexternal-prioritypatent/US3241937A/en
Application filed by Pittsburgh Plate Glass CofiledCriticalPittsburgh Plate Glass Co
Publication of ES287158A1publicationCriticalpatent/ES287158A1/en
Apparatus for the treatment of glass, comprising a deposit containing a molten metal in which a glass ribbon is floated, characterized in that the part of the tank remaining on the glass has walls that hang subdividing said part in a plurality of zones, and there are means associated to said tank to release the pressurized gas towards the glass, maintaining a gaseous hermetic seal between said zones. (Machine-translation by Google Translate, not legally binding)
ES287158A1962-04-191963-04-18Apparatus for glass treatment (Machine-translation by Google Translate, not legally binding)
ExpiredES287158A1
(en)