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

1977-09-23

1979-02-20

Smith, Ronald H.

Coating processes

With cutting, holding, severing, or abrading the base

Prior to coating

225 2, 225 965, 83869, 83882, B05D 312

Patent

active

041408209

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: 2222573 (1940-11-01), Reger
patent: 3281298 (1966-10-01), Stroud
patent: 3286893 (1966-11-01), Zellers
patent: 3486673 (1969-12-01), Madge
patent: 3532259 (1970-10-01), Augustin et al.
patent: 3543978 (1970-12-01), Feillet
patent: 3626795 (1971-12-01), White
patent: 3756482 (1973-09-01), DeTorre
patent: 3765859 (1973-10-01), Seymour
patent: 3865293 (1975-02-01), Ernsberger et al.

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