Forming tool for forming the undulating heat exchanger...

Details Forming tool for forming the undulating heat exchanger... Forming tool for forming the undulating heat exchanger...

2006-07-25

2006-07-25

Jones, David B. (Department: 3725)

Metal deforming

By relatively movable offset tool-faces

Multi-point tool-couple

C072S379200, C072S386000, C072S389300

Reexamination Certificate

active

07080540

ABSTRACT:
This invention is a device for forming heat exchange elements with corrugated heat exchange surfaces, more particularly inserts, made of a sheet in a formable material, such as metal, between two surfaces, each thus presenting a corrugated profile.This device is of the type comprising at least two plates whose opposing faces present the said corrugated profiles and which are offset from each other so as to define between them a space to take the sheet to be formed (2). The device is distinguished by the fact that the profiles (A and B) are configured in such a way that their displacement in the direction of the thickness of the insert is constant along the corrugations in the space between the profiles.The invention can be used for the production of inserts.

REFERENCES:
patent: 4008591 (1977-02-01), Vos et al.
patent: 4346760 (1982-08-01), Vidal-Meza
patent: 4450705 (1984-05-01), Vidal-Meza
patent: 5694803 (1997-12-01), Ervin et al.
patent: 584575 (1945-01-01), None
patent: WO 82/02940 (1982-09-01), None

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