Method and equipment for manufacturing a thin, hollow glass item
AssigneePochet Du Courval
InventorsAntoine Bruneau, Nicolas Castex, Denis Cavallucci, Sylvie Legastelois, Olivier Perrin
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Abstract
The invention relates to a method, comprising: feeding at least one molten-glass parison into a parison mold; forming, in the parison mold, a blank of an item from said at least one parison; transferring the blank of the item into a finishing mold; and forming the item in the finishing mold. While forming the item in the finishing mold, excess glass is directed out of the base of the item so as to form a convex bulge, and said bulge is removed such that the thickness of the base of the item is substantially constant.
Claims5
A method for manufacturing a hollow glass item comprising walls and a bottom, said method comprising:
- feeding at least one molten-glass parison into a parison mold,
- forming, in the parison mold, a blank of the item from said at least one parison,
- transferring the blank of the item into a finishing mold,
- forming the item in the finishing mold, wherein while forming the item in the finishing mold, excess glass is directed out of the bottom of the item so as to form a convex bulge, and
- removing the convex bulge such that the thickness of the bottom of the item is substantially constant.
Dependencies are inferred from the claim text.