Window sealing structure

Claim 1

THE COMBINATION WITH A LABORATORY GLOVE BOX INCLUDING A WALL MEMBER PROVIDED WITH A WINDOW OPENING THEREIN, OF A WINDOW SEALING STRUCTURE FOR THE WINDOW OPENING, SAID WINDOW SEALING STRUCTURE INCLUDING A WINDOW PANE OF A SIZE TO OVERLIE THE MARGINAL PORTION OF SAID WALL MEMBER DEFINING SAID WINDOW OPENING, A PERIPHERAL U-SHAPED GASKET ENCLOSING THE PERIPHERAL EDGE OF THE WINDOW PANE, A SASH FRAME INCLUDING DETACHABLY MOUNTED AND COMPLEMENTALLY FORMED L-SHAPED INNER AND OUTER PERIPHERALLY SHAPED SECTIONS OF A SIZE TO RECEIVE THE PERIPHERAL EDGE OF SAID WINDOW PANE ENCASED IN SAID U-SHAPED GASKET AND OVERLIE THE MARGINAL PORTIONS OF THE WINDOW PANE, COMPLEMENTALLY FORMED DETACHABLE SECURING MEANS FOR AFFIXING THE SASH FRAME TO THE MARGINAL PORTION OF THE WALL MEMBER DEFINGING SAID WINDOW OPENING, SAID WALL MEMBER HAVING RELATIVELY SMOOTH OUTER FACE SURROUNDING THE WINDOW OPENING THEREIN, SAID COMPLEMENTALLY FORMED DETACHABLE SECURING MEANS FOR DRAWING THE SASH FRAME TOWARD THE WALL MEMBER, AND AN ANNULARLY SHAPED GASKET MEMBER DISPOSED BETWEEN THE LATTER AND THE SASH FRAME, SAID ANNULARLY SHAPED GASKET MEMBER ADAPTED FOR AFFIXING TO SAID SASH FRAME AND BEING GENERALLY L-SHAPED IN TRANSVERSE CROSS-SECTION INCLUDING A LEG COMPRISING A SUBSTANTIALLY RECTANGULAR SHAPED BODY PORTION, SAID RECTANGULAR SHAPED BODY PORTION DISPOSED BETWEEN AND ADAPTED TO BE COMPRESSED BY THE SASH FRAME AND WALL MEMBER, THE OTHER LEG OF SAID ANGULARLY SHAPED GASKET MEMBER INCLUDING AN OUTWARDLY EXTENDING ANNULAR PROJECTION PROVIDING AN OUTER PORTION, SAID OUTER PORTION BEING DISPOSED IN ENGAGEMENT WITH AND UPON COMPRESSION FORMING A SEAL DIRECTLY BETWEEN THE INNER FACE OF THE WINDOW PANE AND THE MARGINAL FACE PORTION OF SAID WALL MEMBER DEFINGING SAID WINDOW OPENING, AND THE OUTER FACE OF THE RECTANGULAR SHAPED BODY PORTION ABUTTING THE INNER FACE OF THE L-SHAPED INNER PERIPHERAL SECTION AND THE INNER PERIPHERAL EDGE OF THE L-SHAPED INNER PERIPHERAL SECTION AND INNER EDGE OF A LEG OF THE PERIPHERAL U-SHAPED GASKET ABUTTING THE CONTIGUOUS FACE OF THE L-SHAPED INNER PERIPHERAL SECTION COMPLEMENTALLY FORMED TO AND ABUTTING THE PERIPHERAL VERTICAL EDGE OF THE OUTWARDLY EXTENDING ANNULAR PROJECTION.