BigPatents India

This invention relates to a vacuum treatment installation and a device therefore for the tight, especially vauum-tight closing of an aperture, in particular a slit-like or rectangular aperature with a length that is preferably a multiple of the width of the aperture, in particular for a lock arrangement of a vacuum treatment installation, said device having a closure member (2) and for said closure member a linear drive unit (3,4,5) which, by way of a translational movement, can move the closure member from an open position into a closed position, said closure member having a sealing surface which is disposed ina plane (16) and which, in the closed position, makes sealing contact with a counter-sealing surface on the aperture side, and said plane running perpenducular to the direction of the translational movement (14) and at an oblique angle to the aperture normal (13).