Vacuum insulation panel with improved braze seal-off and method

Details Vacuum insulation panel with improved braze seal-off and method Vacuum insulation panel with improved braze seal-off and method

1996-01-11

1997-12-09

Weisberger, Richard

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428 70, 428 72, 428920, 428 62, 52785, B32B 106, B32B 1504, B32D 1516

Patent

active

056958447

ABSTRACT:
In the manufacture of vacuum insulation panels, it is necessary to prevent deformation and damage to the brazed seal-off provided to maintain internal vacuum. The invention provides seal-off port geometries which improve the integrity of the vacuum panel. Annular troughs are formed in the metal sheet around the seal-off port to provide improved strength and stability to the seal-off area and to permit movement to compensate for melt-back of the glass mat contained within the panel.

REFERENCES:
patent: 5550305 (1996-08-01), Bridges et al.

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