Title: Apparatus for the manufacture of a window by detachment of the edges of a sheet of glass along a score

Abstract: In the manufacture of a window, an apparatus and method for detachment of edges from a sheet of glass along a cut-off line or score is disclosed. The apparatus comprises a frame surrounding an open area, elastic means in the form either of elastic cables connected together at one end and connected to the frame at the other end or a belt connected to the frame and traversing the open area, a support for supporting the sheet of glass and means for moving one of the frame or support for supporting the sheet of glass so that the elastic means acts on to flex the edges of the sheet of glass about the cut-off line or score and break the edges from the window. The apparatus, further, may comprise structure for incising break lines in the edges of the glass sheet to assist in breaking the edges from the window.

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Inventors: Delettre, Jean-Pierre (Thourotte, FR)

Application Number: 923168
Filing Date: 1978-07-10
Publication_date: 1980-10-14
Assignee: Saint-Gobain Industries (Neuilly-sur-Seine, FR)
Primary Class(es): 225/96.5 225/2, 225/97, 225/103
Other Classes:
US Patent Ref:

2259765	Oct, 1941	Morris	225/93.
2291451	Jul, 1942	Craig et al.	225/2.
3137426	Jun, 1964	Brenneisen	226/10.
3178085	Apr, 1965	Jochim	225/2.
3259286	Jul, 1966	LeGras	225/2.
3300112	Jan, 1967	Tailleur et al.	225/93.
3520457	Jul, 1970	Augustin	225/96.
3770173	Nov, 1973	Carothers et al.	225/2.
4004723	Jan, 1977	Kabanov et al.	225/103.
4033490	Jul, 1977	Ulivi	225/1.
4046300	Sep, 1977	Welker	225/96.

Other Refs: 137050814655182302974152286

, 1964	FR.
, 1966	FR.
, 1976	FR.
, 1962	SU

Primary Examiner: Yost, Frank T.
Assistant Examiner:
Attorney: Pennie & Edmonds