Apparatus and method for vacuum hot press joining, compacting an

Details Apparatus and method for vacuum hot press joining, compacting an Apparatus and method for vacuum hot press joining, compacting an

1974-01-04

1976-07-27

Camby, John J.

Electric heating

Microwave heating

Tunnel furnace

13 20, 219390, 432204, 432241, 432253, H05B 366

Patent

active

039718751

ABSTRACT:
Apparatus and method for joining, compacting and thermo-mechanically processing materials under controlled application of heat and evenly distributed mechanical pressure in a vacuum or inert gas environment, having particular usefulness in diffusion bonding, powder metallurgy, vacuum brazing and materials treatment. One or more workpieces or materials are pressed, joined, formed or treated by placing them in a reusable or permanent type, closable chamber having a movable wall portion, the same and/or other wall portions having a bellows construction. The chamber is evacuated and heated and the movable wall portion of the chamber evenly displaced towards an opposing portion of the chamber with concomitant bellows deformation of chamber wall portions operatively connected with the movable wall to provide for application of mechanical force to the materials in a substantially even distribution across the work by means of forcible inward movement of the movable chamber wall operatively pressing upon the materials to be joined or compacted.

REFERENCES:
patent: 2258431 (1941-10-01), Wellman
patent: 2759034 (1956-08-01), Southern
patent: 2869856 (1959-01-01), Greene
patent: 2940745 (1960-06-01), Grieger et al.
patent: 3124634 (1964-03-01), Western et al.
patent: 3479022 (1969-11-01), Coupette
patent: 3571478 (1971-03-01), Teagan
patent: 3622135 (1971-11-01), Bauer
patent: 3836325 (1974-09-01), Nakamura et al.

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