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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 277/550 - Made of metal or is a scraper


Subclass of Class 277 - Seal for a joint or juncture
Definition: Peripheral radially sealing flexible projection wherein
No. of patents: 83
Last issue date: 03/25/2008


1      
NumberTitleIssue Date
7347290Multi-part energizer for mechanical seal assembly
An energizer for a mechanical seal assembly for use in a drill bit is disclosed. The energizer is a composite of at least two resilient materials, one having a durometer hardness that is greater than the other. The material contacting a journal provides relatively h...
03/25/2008
7231958Reinforced sealing element
A seal for a regenerative air preheater. The seal is comprised of two members that each have a plurality of tabs and slots. The tabs and slots interlock so that the tabs on one member are positioned adjacent the slots on the other member. The tabs have a narrow neck...
06/19/2007
7226212Shield and sealing method for a hydrodynamic bearing
A hydrodynamic bearing system, having a bearing sleeve and a shaft inserted into an inner cylindrical bore of the bearing sleeve. A bearing gap is formed between the shaft and the bearing sleeve, the bearing gap being filled with a lubricating oil. A shield encloses...
06/05/2007
7086276Temperature correction method and subsystem for automotive evaporative leak detection systems
A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ...
08/08/2006
7083170Rod or piston primary seal
A rod or piston primary seal, which includes a primary seal (2) facing the space (1) to be sealed and a secondary seal (3) facing away from it, in which the primary seal (2) is fitted into the groove (4), of a holding element (5...
08/01/2006
7080696Motor mounting and sealing arrangement for a power tool
A hand held electrical tool includes a gear casing for housing a drive mechanism, which gear casing comprises an entrance. The tool's motor includes an armature shaft having an end at which a pinion is formed for engaging the drive mechanism. A motor plate having a ...
07/25/2006
7028817Pressure adjustable shock and method
A gas pressure adjustable aluminum shock absorber to pressurize oil therein mounts between a vehicle and an axle and includes a threaded aluminum shock body tube, a bore therein an aluminum body mounting loop with an internal female thread to couple in threaded enga...
04/18/2006
7025357Shaft seal having lip supports
A shaft seal includes an elastomeric annular body having an outwardly protruding annular lip. An annular outer case is embedded into the body. An annular insert is positioned adjacent the outer case. An annular inner case is embedded into the body adjacent the inser...
04/11/2006
7000744Shock absorber cylinder head scraper
A vehicle shock absorber is provided that includes a piston rod. A cylinder head having a bore defining an axis supports the rod within the bore. A scraper is arranged proximate to the cylinder head and includes a hole with the rod arranged within the hole. The scra...
02/21/2006
6945535Seal
A seal, especially for shafts movable in a translational direction, has at least one static sealing area and at least one dynamic sealing area and another sealing point outside of the dynamic sealing area. The other sealing point is formed by at least two elements f...
09/20/2005
6905124Unitized seal for a gas spring
A unitized seal for use in a gas spring seal assembly. The unitized seal includes a rigid thermoplastic insert having an elastomeric sealing layer surrounding the insert and bonded to the insert. The insert provides rigidity to the seal and includes a central, axial...
06/14/2005
6626437Wiper seal
A wiper seal for a hydraulic component is provided. The wiper seal includes a support member and a body portion. The support member includes a first leg having an inner surface, a first end, and a second end. The first leg extends substantially parallel t...
09/30/2003
6623012Poppet valve seat for an integrated pressure management apparatus
A seal for a poppet valve of an integrated pressure management apparatus, a valve system using the poppet valve seal, and a method of cleaning debris off of a poppet valve. The poppet valve is movable between an open position permitting fluid flow through...
09/23/2003
6623011Wiper for machine tool
A wiper for machine tools includes an attachment portion 3 to be attached to a machine tool, wherein the machine tool is moved relative to a sliding surface 14, and a wiper body 10 made of an elastic material integrated with the attachment portion 3, wher...
09/23/2003
6609716Wiper seal
A wiper seal for a hydraulic component is provided. The wiper seal includes a support member with a first leg that has an inner surface, a first end, and a second end and that extends substantially parallel to a reference axis. The support member further ...
08/26/2003
6488263Valve stem and method of manufacture; improved stem packing
A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...
12/03/2002
6330923Sealing bearings in drill bits
A sealed bearing for a drill bit including cutting cones and having metal sealing surfaces between the seal cup base and the rotating cone combined with a compressible neoprene or like material having an inner seal lip to seal in the prepacked bearing cav...
12/18/2001
6250604Valve stem and method of manufacturing, improved stem packing
A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...
06/26/2001
6247679Valve stem and method of manufacture; improved stem packing
A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths. A ...
06/19/2001
6145846Metal-to-metal seal in high pressure applications with low contact stress
A method of forming a metal-to-metal seal in high pressure applications with low contact stress. Firstly, providing a first elongate pressure containment member having a surface of revolution. Secondly, providing a second elongate pressure containment mem...
11/14/2000
6052859Scraper arrangement
The invention relates to a scraper arrangement for attachment to at least one of at least two machine parts which are movable relative to one other, particularly for protection of guideways in machine tools. In this case a scraper strip made from elastica...
04/25/2000
6047970Rod scraper
A rod scraper for hydraulic cylinders and the like is disclosed which includes an elastomeric ring member having an inner surface defining a central aperture adapted for receiving a rod for axial movement relative thereto, the inner surface including a sc...
04/11/2000
5964408Irrigation sprinkler and valve with flushing system
An improved pop-up irrigation sprinkler with integral flow control valve, and an improved separate flow control valve, defined by a dual flowpath for pilot flow within the flow control valve; a stem-flushing feature using an interrupter disc (54) mounted ...
10/12/1999
5881799Perimeter sealing element for regenerative heat exchanger
A seal for a regenerative air preheater. The seal is comprised of two members that each have a plurality of tabs and slots. The tabs and slots interlock so that the tabs on one member are positioned adjacent the slots on the other member. Further, the tab...
03/16/1999
5603509Stripping device
A stripping device comprising a stripping ring and a locating ring. The stripping ring is set on a holder in a fitted position thereof. The locating ring is resiliently elastic in design and fits in an annular groove provided in the holder for axially loc...
02/18/1997
5562293Stripping ring
A stripper for a threaded spindle has an essentially ring-shaped body, the inner circumference of which is provided with an internal screw thread (12) that works in cooperation with the carrier screw thread of the threaded spindle. The internal screw thre...
10/08/1996
5513556Packing gland construction
An improved packing gland construction for a fluid cylinder that includes an angular elongated resilient sealing member disposed in contact with the piston rod of the cylinder. An end of the sealing member facing the interior of the cylinder is provided w...
05/07/1996
5467599Method for reducing seal stiction in a fluid cylinder
An apparatus and a method for reducing seal stiction is provided. In the method, a first step provides a fluid cylinder comprising a piston displacably mounted in a housing containing pressurized fluid is provided in the first step. The housing has first ...
11/21/1995
5421591Sealing arrangement
The invention concerns a sealing arrangement for use in steered axles of vehicles employed in agriculture and/or the building trade. The sealing arrangement (24) consists of separate seals (46, 47) which are assembled into a sealing set (48) by way of a s...
06/06/1995
5379480Device for clearing iron chips produced during a mechanical working process
A device is provided for clearing iron chips produced during a mechanical working process and includes a plurality of telescopic housings. A fastening member is securely attached to an underside of an upper plate of the telescopic housing and has a first ...
01/10/1995
5377379Device for clearing iron chips produced during a mechanical working process
A device is provided for clearing iron chips produced during a mechanical working process and includes a plurality of telescopic housings. A fastening member is securely attached to the underside of an upper plate of the telescopic housing. A recess havin...
01/03/1995
5375812Dynamic metal-to-metal seal
A metal stem seal for sealing between a movable stem and a stem opening in a valve body has an annular seal body through which the stem extends. The seal has a flexible annular seal leg depending from the seal body for sealing against the stem. The inner ...
12/27/1994
5324047Thread seal
A thread seal comprises a helical rib (6) for use with a threaded member (1). The end portions (7) of the rib (6) are axially staggered and are joined by a transverse thread bridging member (8) which engages a crest (9) of the thread between successive tu...
06/28/1994
5316390Guide sleeve with seal, guide post and ball bearing assembly
A guide post, guide sleeve, and ball bearing assembly especially for a die set has a leak proof seal contained within one end of the guide sleeve for slidably sealing the interface between the guide post and guide sleeve and slidingly cleaning the surface...
05/31/1994
5303934Fluidic actuator scraper seal
Dual "U" cup seals are utilized in conjunction with conventional seals as fluidic actuator shaft scrapers for actuators operating in contaminated environments. The seals are installed in serial spaced relation on the low pressure side of the conventional ...
04/19/1994
5271118Plastic packing ring or disk and a method and apparatus for making same
A plastic packing ring or disk for scrapers and other such bodies sliding in pipelines consists essentially of polyurethane and is supported annularly on the inside of the pipe. To make especially this kind of support elements on scrapers more resistant t...
12/21/1993
5263404Anti-rotation wiper ring
An anti-rotation wiper ring for mounting in a pump equipment gland concentrically to the equipment pump rod, the ring having a wiper lip for preventing debris from being carried on the rod retracting within the equipment. Structure prevents the ring from ...
11/23/1993
5211311Cartridge for a dispenser of reactive chemicals
A cartridge for use in a mixing, dispensing and purging apparatus of mutually reactive chemicals. The cartridge comprises a mixing assembly and purging rod. The mixing assembly includes a core member that is preferably deformable with an axial bore formed...
05/18/1993
5205317Valve assembly
A gate valve is provided having a housing with an interior channel, and a gate which slideably engages the channel. The valve includes a peripheral seal, positioned in the channel to prevent the flow of fluid around the edges of the gate. The valve also i...
04/27/1993
5178180Valve assembly
The present invention includes an improved transverse seal in a gate valve having an assembly portion and a gate. The assembly portion comprises a body, a chest and a top structure or bonnet. The improved transverse seal is located within the chest of the...
01/12/1993
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