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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
## Burgmann Industries GmbH & Co KG, Germany A method and a device are disclosed for determining the current operating conditions of a mechanical face seal. Measurements of the heat flow are taken between at least two selected measurement points M1, M2, M3, M4 on the stationary seal ring. By evalu
## Seal including a multilayered sliding member Applicant: ACC La Jonchere, France This invention relates to a seal particularly intended for connecting together two fluid or gas flow ducts. It includes a sliding member located between the male and female sections of the join. The sliding member in
A sealing system for a vibratory screening machine is described. The machines may be used for either separating dry particles of different sizes or separating solids from a liquid. The seal is to overcome problems of screen wear and noise plus leakage of product. The frames of the screens are fitted