Apparatus for breaking glass sheets scored on one side

Details Apparatus for breaking glass sheets scored on one side Apparatus for breaking glass sheets scored on one side

1988-12-12

1990-08-14

Phan, Hien H.

Severing by tearing or breaking

Breaking or tearing apparatus

Movable breaking tool

225 93, C03B 33033

Patent

active

049480251

ABSTRACT:
In an apparatus for the breaking of glass sheets (2) scored on one side, especially provided with a metallic coating on one side, a breaking bar (7) or a rotationally driven breaking roller (28) that can be lifted from below against the glass sheet (2) are provided, and two abutments (9 and 10) acting from above against the glass sheet (2) are likewise included. The abutments (9 and 10) are not in physical contact with the topside of the glass sheet (2) but rather hold down the latter by an air cushion produced between these abutments and the topside of the glass sheet (2), this air cushion being formed by compressed air exiting from nozzles (14). In this way, friction movements that could damage the coating (3) of the glass sheet (2) during the breaking step are precluded.

REFERENCES:
patent: 3253756 (1966-05-01), Haley et al.
patent: 3372847 (1968-03-01), Walters et al.
patent: 3570734 (1971-03-01), Allen
patent: 3668955 (1972-06-01), Rupprecht et al.
patent: 3693852 (1972-09-01), Simomura

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