Concessão da patente
#16.1
20 (vinte) anos contados a partir de 09/12/2013, observadas as condições legais
02/23/2021
RPI 2616
Application data
Number
112015013144Type
Filing
Publication
PCT
US2013073890 The patent was granted on 02/23/2021 and is in force until 12/09/2033. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:12/09/2033
Latest action published by the INPI: 02/23/2021. We update with every new RPI gazette, published weekly.
Applicants
A.W. CHESTERTON COMPANY
US
Inventors
E. C. (pessoa física)
US
IPC Classification
Priority claims
US
61/734,691 · 12/07/2012
Abstract
ABSTRACT OF THE DISCLOSURE A split mechanical seal for mounting to a housing containing a rotating shaft, including a gland assembly, a holder assembly having an inner surface and an opposed outer surface, and a rotary seal ring that is sized and configured for seating within the space defined by the holder assembly. A detent groove is formed in the inner surface of the holder assembly for at least partially seating a portion of a sealing element, and another detent groove is formed in an outer surface of the rotary seal ring for at least partially seating another portion of the sealing element. The holder detent groove and the seal ring detent groove in combination are configured to seat and to retain the sealing element.
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