Glass sheet shaping and trimming (grozing) tool and method of use
AssigneesMark Talaba, Angela S. Maglia
InventorAndrew R. Maglia, deceased
Life of this patent
Estimating the term…
Abstract
A tool for rapidly nibbling at an edge of a glass sheet to shape (groze) the edge without splitting or cracking the sheet is described. The tool has hinged jaw surfaces which are shaped in a V so as to contact only corners at the edge when the jaws are moved towards each other. The tool is used to repeatedly nibble single flakes of glass from the edge and thus rapidly form the desired contour. The tool is particularly adapted to trimming or shaping an edge of stained glass pane for windows and the like, as well as for trimming irregular edges or excess material from sheet window glass which has been scored and then broken.
Claims9
A tool for nibbling at an edge of a glass sheet to rapidly shape or trim the sheet without cracking the sheet which comprises:
- (a) a pair of hinged jaws each having opposed flat first jaw surfaces extending from the hinge which move into contact with each other adjacent the hinge when the jaws are closed and remote from the hinge having second opposed jaw surfaces as extensions of the first jaw surfaces separated from each other to form an open V when the jaws are closed, wherein the jaw surfaces are movable at the hinge so that the second jaw surfaces are provided into contact with opposite corners at an edge of the sheet of glass to produce a scraping action at the corners to thus fracture small flakes of glass from and form the edge;
- and
- (b) means for moving the jaws about said hinge.
The method of shaping or trimming an edge of a sheet of glass which comprises:
- (a) providing in contact with opposite corners of an edge of the sheet a tool having a pair of hinged jaws each having opposed flat first jaw surfaces extending from the hinge which move into contact with each other adjacent the hinge when the jaws are closed and remote from the hinge having second opposed jaw surfaces as extensions of the first jaw surfaces separated from each other to form an open V when the jaws are closed;
- and
- (b) moving the jaws at the hinge towards each other with the second jaw surfaces in contact with the corners producing a scraping action at the corners so as to thus repeatedly fracture small flakes of glass from the edge and change the size or outline of the glass sheet.
Dependencies are inferred from the claim text.