Shearing blade for molten glass gobs
AssigneeTurmond S.p.A.
InventorAlessandro Colombatto
Life of this patent
Estimating the term…
Abstract
Shearing blade for molten glass gobs comprising a knife (1) made of hard metal having a substantially V-shaped front shearing portion (5) with a shearing edge (7) whose width is in the range between 8 and 11% of the distance between the ends (6) of the V-shaped shearing portion (5). Between the shearing edge (7) and the rear support portion (2) of the knife, the upper surface of the knife (1) has a lowered surface (8).
Claims17
A shearing blade for molten glass gobs comprising a generally flat knife made of hard metal having a first surface and a second surface opposite to said first surface, a rear support portion and a front substantially V-shaped shearing portion having a shearing edge, wherein said shearing edge has on said first surface a width which is greater than a corresponding opposite width on said second surface and is in the range between 8 and 11% of the distance between the ends of said V-shaped shearing portion, and wherein between said V-shaped shearing portion and said support portion said first surface of the knife has a lowered surface.
A shearing blade for molten glass gobs comprising a generally flat knife made of hard metal having a first surface and a second surface opposite to said first surface, a rear support portion and a front substantially V-shaped shearing portion having a shearing edge, wherein said shearing edge has on said first surface a width which is greater than a corresponding opposite width on said second surface and is in the range between 8 and 11% of the distance between the ends of said V-shaped shearing portion, wherein between said V-shaped shearing portion and said support portion said first surface of the knife has a lowered surface, and wherein said ends of said V-shaped shearing portion are bent downwards.
Dependencies are inferred from the claim text.