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Class 277/307 - Formed by flexible projection


Subclass of Class 277 - Seal for a joint or juncture
Definition: Process of dynamic sealing wherein the sealing member is
No. of patents: 17
Last issue date: 02/26/2008


NumberTitleIssue Date
7334311Method of forming a nested can brush seal
A method of forming a brush seal which includes placing a bristle hoop sandwiched by a sideplate and a backplate in the cavity of a forming die. The components are then die formed together into a unitized brush seal. ...
02/26/2008
7311308Seal device for water pump, rotation supporting device for water pump and assembly method for water pump
The tip edge of a second seal lip of an elastic member constituting a seal ring is in sliding contact with an outside face of a slinger. The seal ring and the slinger are pre-assembled and then installed between an inner peripheral surface at an end of an outer ring...
12/25/2007
7100924Elastomeric hinged seal
A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal i...
09/05/2006
6923783Valve assembly
A valve assembly for the sealed reception of an elongated object is provided. The assembly includes a valve body defining at least one opening configured and dimensioned to permit entry of an elongated object and defining a central longitudinal axis, and an elongate...
08/02/2005
6460635Load responsive hydrodynamic bearing
A load responsive hydrodynamic bearing is provided in the form of a thrust bearing or journal bearing for supporting, guiding and lubricating a relatively rotatable member to minimize wear thereof responsive to relative rotation under severe load. In the ...
10/08/2002
6257588Brush seal and rotary machine including such brush seal
The brush seal includes manually-flexible, plastic-containing, brush-seal bristles attached to an elongated bristle holder. The rotary machine has a rotor and stator casing segments with segments of the brush seal positioned one each in a surface groove o...
07/10/2001
6149158Unitized oil seal with PTFE sealing disk split at radially outer edge and method of manufacture
A unitized oil seal assembly (20, 220, 320,420) has a sealing disk (34, 234, 334, 434) fabricated of a single water of PTFE-based material that is split along its radially outer edge to define a pair of split sections, one of which (48, 248, 348, 438) is ...
11/21/2000
6085870Lubricant transfer connection
A lubricant transfer connection for transferring lubricant from a lubricant transfer line which feeds into a lubricant supply bore machined in a bearing support housing. A lubricant transfer bushing is located at the moving interface between the lubricant...
07/11/2000
5492337Rotary spring loaded seal assembly
A seal assembly for a vehicle wheel assembly is provided for use between its two relatively rotatable coaxial parts, to seal the bearing chamber. The seal assembly includes a pair of nested casings forming a C-shaped recess in cross section. An annular wa...
02/20/1996
5292137Rotary shaft sealing method and device
A dry-face sealing method for preventing leakage around a rotary shaft uses an annular rigid seal having a smooth sealing surface and an annular resilient seal having a projecting sealing edge aligned coaxially therewith. The annular resilient seal has a ...
03/08/1994
5029875Fluid seal structure
An annular fluid seal is provided between a pair of spaced apart machine components, such as a rotor and a stator. The rotatable component includes an annular sealing surface of increasing diameter in a given direction (e.g., along its length or along a r...
07/09/1991
4732398Bellows-type bearing seal and method of use
A rubber dirt-excluding and grease-retaining seal for use in machine assemblies such as furrow forming disc assemblies in grain drills, marker disc assemblies and the like comprises a generally cylindrical, accordian-like body formed of interconnected poc...
03/22/1988
4714257Annular sliding body for a sliding seal and process for use thereof
The invention concerns a sliding body for sliding systems in which sliding surfaces of sliding and counter components form a gap in which there is a fluid, whereby the sliding body (1) at least in the area of sliding surfaces (10) is comprised of several ...
12/22/1987
4595207Brush seal labyrinth sealing means between two machine parts
A seal between two machine parts for sealing separate spaces at different pressure from each other comprising a brush seal extending at an acute angle to a principal axis of at least one machine part for use in spatially constricted constructions with sma...
06/17/1986
4565378Shaft seal with lip lifting in response to shaft rotation and gas pressure
Apparatus for effecting a seal between a rotary shaft and its enclosure includes a sealing element having an elastic lip portion coupled to the shaft for rotation therewith and a sealing portion associated with the enclosure, the elastic lip portion formi...
01/21/1986
4268040Thrust washer and combination seal and thrust washer method and apparatus
A thrust washer having a backing layer of resilient material such as rubber or other elastomers and having, for example, a polytetrafluoroethylene bearing surface, which can include one or more integral sealing lips formed from the polytetrafluoroethylene...
05/19/1981
4049281Unitized dual lip seal method
A unitized dual lip seal for providing a seal between a housing and a shaft extending through a bore in the housing, including (1) a wear sleeve connected to the housing and having an inwardly extending radial flange, and (2) an elastomeric member mounted...
09/20/1977
 
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