B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 53/74 (2006.01) E06B 3/673 (2006.01)
Patent
CA 2097174
2097174 9209778 PCTABS00013 A closed spacer frame (19) is manufactured by welding the profile ends for making an endless profile which is bent by a tool (17, 18) for making a desired frame form, the outer end portion (75) of the endless profile overlapping the endless profile (73). The profile ends are then separated by means of a saw (16) situated between two jaws (15) in a combined saw apparatus and welder and which cut the endless profile which is led bent away from the outline of the frame after the one jaw (15) is opened while the other jaw (15) maintains the bended frame. The two end portions of the frame (19) are then placed end-to-end in the jaws (15) and are butt welded (at 21) for making the closed frame (19). During the conveying and bending the acceleration, velocity and deacceleration of the profile are controlled by a computer which calculates the allowable maximum values for frame forms and sizes where no permanent deformation in the formed frame occurs.
Fetherstonhaugh & Co.
Skovgaard & Co. A/s
LandOfFree
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