Assembly for the manufacture of a hollow mechanical part by...

Details Assembly for the manufacture of a hollow mechanical part by... Assembly for the manufacture of a hollow mechanical part by...

2007-08-14

2007-08-14

Johnson, Jonathan (Department: 1725)

Metal fusion bonding

Process

With shaping

C228S118000, C228S193000, C029S889720

Reexamination Certificate

active

10803957

ABSTRACT:
A method for manufacturing an assembly including a stack of at least two primary parts, the primary parts being joined together around their periphery with the exception of a place forming a passage so as to define between the two of them a cavity, and the primary parts having, facing the cavity, at least one face that is covered, in a pattern, with a stop-off product containing a binder that can be thermally degraded, and a sealed reservoir having an open end, the end being joined in a sealed manner to the passage in the stack so as to allow communication between the internal space of the reservoir and the cavity, the reservoir being placed under a partial vacuum, this being produced so as to be non-deformable at the temperature and at the pressure at which the diffusion bonding of the said stack takes place.

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