Calendering aluminum profiles for producing spacer frames for in

Details Calendering aluminum profiles for producing spacer frames for in Calendering aluminum profiles for producing spacer frames for in

1995-10-26

1997-11-18

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Including use of sensor responsive to information carried by...

72307, B21D 7028, B21D 712

Patent

active

056875967

ABSTRACT:
An automatic method and device for calendering aluminum profiles for producing spacer frames for insulating glazing units, the method consisting in producing calendering by preliminarily deforming the surface on which minute holes are formed so as to obtain an inside curve. A consecutive plurality of minute bends, the pitch increment whereof tends to zero and the bending angle increment whereof tends to zero, is then performed at an automatically controlled microbending station.

REFERENCES:
patent: 3452568 (1969-07-01), Vihl
patent: 3885412 (1975-05-01), Vance
patent: 3964289 (1976-06-01), Williamson
patent: 4391116 (1983-07-01), Yogo
patent: 4773284 (1988-09-01), Archer
patent: 5104026 (1992-04-01), Sturrus
patent: 5161401 (1992-11-01), Lisec

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