Flange sleeve, method for the production thereof and bending...

Details Flange sleeve, method for the production thereof and bending... Flange sleeve, method for the production thereof and bending...

2007-02-13

2007-02-13

Larson, Lowell A. (Department: 3725)

Metal deforming

Process

Deforming sheet metal

C029S898057

Reexamination Certificate

active

10467701

ABSTRACT:
A flange sleeve comprising at lest one flange formed thereon, having no gap at the joint or having a controllably adjusted width of the gap at the joint. The flange has two crowding recesses at least in the metal coating thereof in at least two points distributed over the flange in the direction of the periphery. According to the method for producing the flange sleeves, the edge of the flange is bent. At least two crowding recesses in at least two points distributed over the flange in the direction of the periphery are made at least in the metal coating thereof, the recesses preferably being made by bending the edge of the sleeve. The invention also relates to a bending tool and a bending device.

REFERENCES:
patent: 4017127 (1977-04-01), Smith et al.
patent: 4048703 (1977-09-01), Lehnhart
patent: 5520466 (1996-05-01), Everitt et al.
patent: 2 049 184 (1972-04-01), None
patent: 2049184 (1972-04-01), None
patent: 24 06 361 (1975-08-01), None
patent: 195 24 757 (1997-01-01), None

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