Class 29/898.11 - Sealing

Subclass of Class 29 - Metal working
Definition: Process of manufacturing a means for preventing matter from
No. of patents: 29
Last issue date: 05/22/2012

Number	Title	Issue Date
8181348	Shielding fluid reservoirs of fluid dynamic bearing motors In one example, a fluid dynamic bearing motor having a shield member is provided. In one example, the method includes disposing a first member and a second member for relative rotation about an axis of rotation. An annular shield member is attached to the first memb...	05/22/2012
8028415	Method of installing a pinion seal to a carrier/bearing cage and an axle A unitized pinion seal assembly has a seal portion and a sleeve portion that are assembled in an interference fit relationship. The unitized pinion seal assembly is assembled to a carrier bearing cage and an axle companion flange with proper spacing between non-seal...	10/04/2011
7293549	Sealing mechanism for tubular body A tubular body sealing mechanism which can easily make a hermetic seal. A bushing is fit onto the leading end of a shaft part of the hermetic plug to be moveable in the axial direction, the ring seal member is fit to be moveable between a base part and the bushing, ...	11/13/2007
7278212	Universal joint with adhesive bearing cup retention method A universal joint including a spider having a plurality of trunnions. The universal joint also includes a pair of yokes, where each yoke has a pair of arms with an aperture formed therethrough, and each yoke is arranged such that an opposite pair of the trunnions ar...	10/09/2007
6993816	Retaining ring installation tool A retaining ring installation tool for use in installing retaining rings onto shafts and into bores is formed from a single piece of metal to define a cylindrical, elongated body. A hollow cavity is formed in one end of the body and the wall of the body that defines...	02/07/2006
6952875	Crush ring to seal the counter plate on hydrodynamic bearing A fluid dynamic bearing including a shaft rotating within a sleeve and a thrust plate or the like supported at an end of the shaft rotating in a recess defined with the sleeve. The thrust plate faces a counterplate supported from the sleeve over the recess, and the ...	10/11/2005
6581288	Method of assembling a package bearing and an assembly tool therefore An application tool (and a method of use of the tool) is provided for assembling an outboard seal and roller assembly into a hub unit. The tool and method allow for the use of standard seals and standard cage/roller assemblies, thus avoiding the problem a...	06/24/2003
6428213	Vented bearing end cap A bearing end cap having a circular mounting surface, a sidewall adjacent to the mounting surface, a vent positioned on the sidewall, and a shroud extending outwardly from the side wall and at least partially encircling the vent....	08/06/2002
6332718	Rolling bearing with seals and method for attaching seals to a bearing A rolling bearing device comprises an outer ring 105 provided with an internal raceway 106 formed on its bore, an inner ring 101 provided with an external raceway 102 formed on its cylindrical exterior surface, at least one row of rolling bodies 111 arran...	12/25/2001
6289572	Sealing arrangement A sealing arrangement including a sealing ring with a support ring extending substantially in a radial direction. The support ring is joined in the radial direction to a first sealing element that lies in contact with and is nonrotatable with respect to a...	09/18/2001
6172436	Seal arrangement for an electric motor A technique is provided for sealing a bearing cavity in a rotating machine such as an electric motor. The bearing cavity is defined by annular elements on either side of an antifriction bearing set. Seals are provided on the sides of the bearing cavity an...	01/09/2001
5788904	Method of making a sealing arrangement A method for manufacturing a sealing ring. A support ring is provided, and at least one pasty, magnetizable material is applied onto a side of said support ring. The material is then hardened. First and second elastomeric sealing elements are vulcanized t...	08/04/1998
5722167	Method of setting a desired flow rate through a bearing A bearing comprises an inner race, an outer race and rolling members interposed between the inner and outer races with a radial clearance c, greater or equal to zero, remaining. The bearing also comprises a partial sealing member attached to either the in...	03/03/1998
5619786	Method of forming a seal between a control shaft and bushing An air driven diaphragm pump having two diaphragms joined by a common control shaft to reciprocate in opposed chambers for pumping material through check valve ported cavities. An actuator valve is associated with the central housing of the pump and inclu...	04/15/1997
5579579	Method for making precision self-contained hydrodynamic bearing assembly A method for forming a precision groove in a cylindrical surface of an article such as a sleeve-shaft hydrodynamic journal bearing system includes the steps of: aligning a groove-forming machine to an axial datum plane of the article defined in a spaced-a...	12/03/1996
5560715	Rolling element bearing with shield A first periphery portion of a bearing shield contacts one of an inner ring or an outer bearing ring and a second periphery portion of the bearing shield is adjacent the other of the bearing rings. The first periphery portion of the bearing shield and sai...	10/01/1996
5498084	Automatic transmission front-bearing oil-flow control and method of controlling same Means and method for restricting the flow of oil which passes between the front bearing and the main shaft of an automatic transmission for motorized vehicles. A gland is formed at the downstream end of the front bearing in either the inner surface of tha...	03/12/1996
5199172	Method of manufacturing a pinless retainer for a primary ring A mechanical seal for use between a housing and a rotatable shaft supported by the housing having adjacent annular primary and mating sealing rings, each ring having a generally radial sealing face and means for sealing and nonrotatably retaining the firs...	04/06/1993
4928371	Method of making a seal for bearing assembly Bearing assembly comprising inner and outer rings and a plurality of rolling elements in the annular space between the rings means having a seat on the inner peripheral surface of one of the rings facing the annular space incuding a throat section having ...	05/29/1990
4866827	Sealing arrangement for roll bearings in skin pass mill stands A sealing arrangement for roll bearings in skin pass mill stands in which the roll neck has a tapered portion extending between the end face of the roll and a portion of the roll neck which is provided with a neck sleeve and is supported in a bearing bush...	09/19/1989
4834400	Differential surface roughness dynamic seals and bearings A dynamic seal or bearing interface having areas with different roughnesses. The different surface areas both provide asperity tip load support for the opposing interface....	05/30/1989
4581799	Method of assembling a ball bearing The specification discloses a self-contained ball bearing for use in drawer rails. The bearing includes balls axially retained between a flared end of an inner race member and a washer retained on a stem of the inner race member. The bearing further inclu...	04/15/1986
4574461	Workpiece holder A workpiece holder module for handling annular seals comprising a retainer module, a motor positioned beneath the module and having a hollow drive shaft extending upwardly and drivingly into the bottom of the module, and an air supply structure including ...	03/11/1986
4497496	Hydrodynamic slitted seal and method of manufacture thereof An oil seal element and method of manufacture thereof from polytetrafluoroethylene or the like. A tubular billet having concentric inner and outer cylindrical surfaces is provided with a frusto-conical end face. Arcuate slits of varying depth and angle ar...	02/05/1985
4253714	High temperature low friction surface coating and method of application A high temperature, low friction, flexible coating for metal surfaces which are subject to rubbing contact includes a mixture of three parts graphite and one part cadmium oxide, ball milled in water for four hours, then mixed with thirty percent by weight...	03/03/1981
4112574	Torsielastic thrust bushing for track chains For inclusion as spacer between first and second axially spaced apart members mounted for limited angulation about a common axis, the first member having a seal recess formed in one face, the second member having an end face opposite the seal recess, the ...	09/12/1978
4110883	Method and apparatus for installing a bearing shield or seal into the annular space of a bearing An antifriction bearing is provided having inner and outer bearing rings with a complement of rolling elements held in the annular chamber therebetween, the annular chamber of said bearing being closed off by a plastic seal of durometer hardness over 50 a...	09/05/1978
4078287	Method of forming sealing members A method of forming a sealing member comprising a metal body having a resilient material thereon and a resiliently deflectable lip member extending inwardly from the edge of a hole in the metal body for sealingly contacting a surface, including the steps ...	03/14/1978
4054334	Method and apparatus for installing a bearing shield or seal into the annular space of a bearing An antifriction bearing is provided having inner and outer bearing rings with a complement of rolling element held in the annular chamber therebetween, the annular chamber of said bearing being closed off by a plastic seal of durometer hardness over 50 an...	10/18/1977

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Class 29/898.11 - Sealing