Method of maintaining edge strength of a piece of glass

Details Method of maintaining edge strength of a piece of glass Method of maintaining edge strength of a piece of glass

1975-03-31

1976-09-07

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156257, C03C 2706, B26D 308

Patent

active

039792439

ABSTRACT:
A method of maintaining edge strength of a piece of glass i.e. preventing unintentional damage such as chips and/or scratches to the edges of the piece of glass during handling, processing and/or shipping is disclosed. A sheet of glass having dimensions greater than the desired size of the piece of glass is cut from a glass ribbon. The sheet of glass is pseudosubsurface scored or subsurface scored within the edges to define the piece of glass and to provide trim around the piece of glass which trim protects the edges of the piece of glass against unintentional damage. Thereafter, the sheet of glass is stored or processed, e.g., coating a surface of the sheet of glass with a transparent metal coating. The trim is removed from the sheet of glass at a fabrication station and the piece of glass having edges free of unintentional damage is used in the fabrication of a product e.g., a multiple glazed unit.

REFERENCES:
patent: 1713854 (1929-05-01), Meyer
patent: 1771416 (1930-07-01), Owen
patent: 2973801 (1961-03-01), Ballard
patent: 3532260 (1970-10-01), Augustin et al.
patent: 3626795 (1971-12-01), White
patent: 3756482 (1973-09-01), DeTorre
patent: 3762985 (1973-10-01), Chaitman

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