B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/68 (2006.01) B01D 29/01 (2006.01) B29C 47/08 (2006.01)
Patent
CA 2185793
Sealing means for use in the upstream passage (16) of a slide plate screen changer (22), comprising a ring- shaped seal (36) for contact with the slide plate (22), a pliable ring (54) and a sleeve (42). A cavity (48) external to the passage is formed by the seal, the sleeve and a shoulder on the body defining the passage. The pliable ring (54) substantially fills and is confined by the cavity (48). The sleeve (42) forms an aperture (52) communicating between the passage and the cavity to transmit the pressure in the passage to the pliable ring (54).
Moyens d'étanchéité utiles dans le passage d'amont (16) d'un changeur (22) de plaque-filtre coulissante, comprenant un joint (36) en forme d'anneau destiné à entrer en contact avec la plaque-filtre coulissante (22), un anneau souple (54) ainsi qu'un manchon (42). Une cavité (48) extérieure au passage est formée par le joint, le manchon ainsi qu'un épaulement sur le corps délimitant le passage. L'anneau souple (54) remplit sensiblement la cavité (48) et est confiné par celle-ci. Le manchon (42) forme une ouverture (52) communiquant entre le passage et la cavité afin de transmettre à l'anneau souple (54) la pression existant dans le passage.
Riches Mckenzie & Herbert Llp
Trafalgar House Inc.
LandOfFree
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