High pressure relief for microwave digestion vessel assembly

Details High pressure relief for microwave digestion vessel assembly High pressure relief for microwave digestion vessel assembly

1997-06-04

1999-09-07

Hoang, Tu Ba

Electric heating

Microwave heating

Gas environment

219687, 422102, H05B 664

Patent

active

059483075

ABSTRACT:
A high pressure and temperature microwave digestion vessel assembly with enhanced safety features is disclosed. The assembly includes a membrane that is rupturable for pressure relief, and a secondary pressure relief mechanism including a seal cap with an annular stress relief region that shears or fractures when excess pressure is in the vessel interior. The membrane is positioned on a post extending from the seal cap into the inner liner. The diameter of the venting orifice may be adjusted to vary the desired pressure relief. The assembly also includes a piercing mechanism for venting the vessel after digestion is completed.

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