Forging press of the hot-die type and thermal insulation...

Details Forging press of the hot-die type and thermal insulation... Forging press of the hot-die type and thermal insulation...

2007-02-20

2007-02-20

Tolan, Ed (Department: 3725)

Metal deforming

With temperature modification of tool or of specified...

Of tool

C072S342100, C072S470000, C100S321000

Reexamination Certificate

active

11319129

ABSTRACT:
The invention relates to a forging press of the hot-die type with an operating temperature above a temperature T, comprising two dies between two die support elements, a thermal insulation means being placed between each die and its support element.The press is characterized in that the said means comprises at least two superposed layers (A, B), a first layer (A) comprising a first material having mechanical and thermal properties suitable for operation at a temperature above the temperature T, a second layer (B) comprising a second material having mechanical and thermal properties suitable for operating at a temperature below the temperature T, the thermal conductivity of which is lower than that of the first material and is approximately equal to 0.2 W/m·K, with a tolerance of 10%.Thanks to the invention, it is possible to obtain an effective thermal insulation means of small thickness.

REFERENCES:
patent: 3926029 (1975-12-01), Abson et al.
patent: 3998580 (1976-12-01), Pffiffer
patent: 4212189 (1980-07-01), Fuchs et al.
patent: 4635461 (1987-01-01), Raymond
patent: 4788842 (1988-12-01), Kopp et al.
patent: 6988389 (2006-01-01), Hawkes
patent: 2005/0204796 (2005-09-01), Foser
patent: 63-171239 (1988-07-01), None

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