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Specifically, this invention relates to an enhanced glad-hand that has an improved gasket shape for better alignment and more effective sealing which, in turn, reduces unintended de-coupling incidents. In particular, this invention covers an improved gasket that has an increased entrance angle and an increased sealing surface for providing better alignment and sealing during coupling. A number of alternative seal profiles are illustrated.
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I think the point of this patent is that it is used in a relatively low-cost application where only a single, dry gas seal may be used. Flat seal composed of a sealing bead and embossing
This patent refers to equipment used in the manufacture of flat panel displays. As these are manufactured in larger sizes the sealing of the doors to the vacuum chambers required in the process presents a challenge. Apparatuses and methods are provided for sealing a slit valve passage. After the two
but they can also be oriented to provide an unequal distribution of pressure across the segment if this is desired. The end seal is preferably constructed with a plane of symmetry such that the end seal is reversible, and can be used in either side of a conventional splice case. Figure 1 shows a ca