Back to results
US 5,725,956 AGranted
Method and material for protecting glass surfaces
AssigneeLibbey-Owens-Ford Co.
InventorsRichard J. McCurdy, Kenneth J. Heater, Alice B. Parsons, J. David Robbins
Life of this patent
Estimating the term…
Abstract
A method and material is disclosed for protecting glass surfaces in a stack of glass sheets by applying an interleaving material comprised of a high molecular weight polymer having a number average molecular weight of at least 200,000 to one or both major surfaces of the glass sheets. The glass sheets are then stacked in face-to-face relation for shipment or storage.
Claims9
An article of manufacturing comprising:
- a) a plurality of glass sheets;
- and
- b) an interleaving material interposed between said glass sheets, said interleaving material being comprised of a high molecular weight polymer having a number average molecular weight of at least 200,000.
Dependencies are inferred from the claim text.