Patent ID: 8091194

Claim:
System for separating two equipment items ( 30 A, 30 B) each having a chamber operatively linked to the chamber of the other equipment item under vacuum for limiting the dispersion of pollution external of each chamber of the equipment items, during maintenance operations, comprising: a confinement flange ( 10 ) placed between and fixed to the two chambers of the equipment items ( 30 A, 30 B) including a female flange ( 10 A) and-a male flange ( 10 B), with the male and female flange being affixed to one another in stationary alignment on opposite sides of a slot ( 12 ) having open ends, said slot extending through said confinement flange and a removable cover for blocking one end of this slot, two closure plates ( 20 A, 20 B) able to be placed against each other to be inserted from the outside of the confinement flange into the slot ( 12 ), upon removal of said cover, to tightly cover the chambers opposite the confinement flange ( 10 ).