U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 277/936 - Composite


Subclass of Class 277 - Seal for a joint or juncture
Definition: Made of a particular material consisting of specific distinct
No. of patents: 105
Last issue date: 05/10/2005


1      
NumberTitleIssue Date
6889983Gasket for high-temperature joint and method of fabricating the same
Provided is a gasket capable of maintaining a high sealing property under a high temperature, in which a gasket basic substance and coverture are not sublimated or decomposed when the gasket is used under a high temperature above 500° C. The gasket for a high-tempe...
05/10/2005
6869657Gasket material
A material for a gasket used in a vehicular engine comprising a steel plate, a coating film which is formed on one or both sides of said steel plate, and a rubber layer formed on said coating film, wherein the coating film comprises an acid, water-dispersible silica...
03/22/2005
6569493Method of repairing a paper machine dryer journal moisture barrier
This invention relates to a method of repairing a moisture barrier separating a paper machine dryer drum from the dryer journal. Such processes of this type, generally, involve filling the cavity between the dryer drum steam intake pipe and the dryer jour...
05/27/2003
6557859Injection moldable elastomeric gasket
A net-shape molded elastomeric gasket for dissipating heat and providing electro-magnetic interference (EMI) shielding for an electronic device is formed by loading a base elastomeric matrix material with thermally conductive filler and EMI reflective met...
05/06/2003
6551437Method for sealing tape production, and method of repairs with sealing tape
The tape is free from any slack and separation even when it is applied and bonded to a metal joint portion while being bent. The tape, made of an unvulcanized material containing an unvulcanized rubber-base material, a vulcanization accelerator, an anti-o...
04/22/2003
6391474Cylinder liner
The invention relates to a cylinder liner made from a hypereutectic aluminum/silicon alloy which is surrounded by a surround casting material, which is characterized in that the minimum ratio of the wall thickness of the surround casting material of the c...
05/21/2002
6371491Pipe fitting gasket having enhanced surface properties
An elastomeric gasket for a pipe coupling having a dry lubricating film of an aqueous solution of a lubricant and a film-forming polymer adhered thereto....
04/16/2002
6352264Abradable seal having improved properties
An air seal for use in a gas turbine engine is disclosed. The seal includes a seal substrate, and an abradable layer on the substrate, with the abradable including a thermoset polymer and a thermoplastic polymer. The abradable may also include a filler to...
03/05/2002
6299805Boron nitride sealing element
A sealing member is produced from form-pressed boron nitride powder, while adding an inorganic or organic binding agent. Such boron nitride powder is obtained during the machining of boron nitride blocks composed of hexagonal boron nitride. This powder ca...
10/09/2001
6258457Metal-reinforced graphite multilayer sheet
A multilayer sheet having high compressive strength, high heat resistance and low permeability relative to fluids, includes layers of graphite foils and metal foils disposed alternating one upon another and parallel, with the graphite foils joined to the ...
07/10/2001
6247607Low profile secondary seal
A low profile secondary seal for sealing the space between the inner wall of a tank and a roof floating on a liquid product within the tank is of relatively simple, lightweight construction and of low profile so as to maximize the possible height of the f...
06/19/2001
6142484Composite multi-pressure gasket
A composite gasket for forming a seal between a pipe bell and a spigot comprises a first axially disposed portion formed of an elastomeric material and has a first leading edge and a first trailing edge, and a second axially disposed portion, adjacent the...
11/07/2000
6139023Seal for movable structural components
A seal for movable structural components, like piston rods or shafts, includes a carrier body made of thermoplastic material and a sealing member locked to said carrier body and made of polytetrafluoroethylene (PTFE) material. A form-lock connection is ac...
10/31/2000
6129360Anti-bleed coating for silicone automobile gaskets
An oil resistant gasket and method for preparing said oil resistant gasket which comprises applying an organic polymeric coating selected from the group consisting of parylene N, parylene D, parylene C and mixtures thereof; to a porous, elastomeric gasket...
10/10/2000
6123337Composite earth boring bit seal
A high performance rock bit journal seal is formed from a composite material comprising an elastomeric material and a nonelastomeric polymeric material. The polymeric material is preferably in the form of fibers compiled or woven into a sheet. The elastom...
09/26/2000
6096181Sealing element for a sensor
An electrochemical sensor for determining the oxygen content of gases of internal combustion engines includes a ceramic element that is inserted with a sealing ring into a housing. The sealing ring is built up from different metal layers. The arrangement ...
08/01/2000
6045885High pressure, high temperature gasket
A gasket for high pressure, high temperature apparatus is disclosed which is of a generally frusto-conical shape. The smaller diameter portion of the gasket is made primarily from low friction material and the larger diameter portion of the gasket is made...
04/04/2000
6030694Rigid sheet polytetrafluoroethylene material
A composite fluoropolymer material contains outer layers consisting essentially of conformable porous polytetrafluoroethylene (PTFE) and interior layers consisting essentially of rigid fluoropolymer material which may be a densified expanded PTFE, wherein...
02/29/2000
5938210Coated gasket material and method for making the same
The present invention relates to coated substrate materials which are coated with a coating substance preferably containing an amount of oil, so that when in use the coated substrate material will prevent the formation of rust on metal machine parts and p...
08/17/1999
5882012Oil seal ring
An oil-submerged sliding member which has a good sealability and wear resistance and low attack to the mating member and which can be used with either a soft or a non-soft mating member. It is made from a resin composition comprising 30-88% by weight of a...
03/16/1999
5879789Rigid sheet polytetrafluoroethylene gasket
An improved, chemically resistant gasket is constructed from a composite containing outer layers consisting essentially of conformable expanded polytetrafluoroethylene (PTFE) and interior layers consisting essentially of a densified expanded PTFE, wherein...
03/09/1999
5876042Pipe seal with a sheet-metal casing bendable around a pipe
A device for sealing the gap or void between the outer circumference of a pipe and a hole in a wall the pipe passes through includes a sheet metal casing flexible enough to be bent around the pipe. The inside wall of the casing includes spaced apart inner...
03/02/1999
5836589Sliding member for use with lightweight metal
A sliding member used as a sealing ring for a rotary shaft made of a lightweight aluminum alloy in an automatic transmission instead of a conventional cast iron sealing ring in order to prevent leakage of oil and reduce abrasion of the shaft consists of a...
11/17/1998
5795454Seal for a sensor element of a gas sensor
A seal for a sensor element of a gas sensor for determining the oxygen content in gases including exhaust gases of an internal combustion engine, which seal seals the sensor element in a longitudinal bore of a housing, the seal including a sealing stack w...
08/18/1998
5725218High temperature seal for joining ceramics and metal alloys
For a combination of a membrane of SrFeCo0.5 Ox and an Inconel alloy, a high-temperature seal is formed between the membrane and the alloy. The seal is interposed between the alloy and the membrane, and is a fritted compound of Sr ox...
03/10/1998
5723192Composite compression molded article, composition therefor and process for manufacture thereof, and use
A composite compression molded article is formed from a composition comprising: a) 60 to 97%, preferably 75 to 90%, by weight of rubber particles of a varied size distribution in the range of 5 to 30 mesh, b) 3 to 20%, preferably 5 to 12%, by weight, of a...
03/03/1998
5713581Fibrous seal for blowout preventer
A high pressure seal material, such as for a lateral "T" seal of a shear ram blowout preventer, is disclosed wherein the seal material is preferably nitrile rubber and includes uniformly dispersed synthetic, non-cellulosic fibers in parallel alignment to ...
02/03/1998
5695201Packing member with reduced friction
A packing member having an annular body with a circular outer wall and circular inner wall, with first and second end walls extending between the inner and outer walls includes a relatively soft upper portion formed from an elastomeric polymeric material ...
12/09/1997
5622372Metal seal ring and a method of producing the same
The present disclosure relates to a metal seal ring suitably used at pipe connection portions in exhaust pipe systems of automobile engines for example and a method of producing the same. The metal seal ring comprises a metal ring having a pipe-shaped cro...
04/22/1997
5615897Gasket material layer including cork, fibers, rubber, and a rubber chemical
A gasket material includes a sheet metal having a coating of adhesive applied thereon, and a coating layer of a compound or composition formed on the surface of the sheet metal, the compound or composition containing a fibrous material, fine cork particle...
04/01/1997
5549968Compressible fabric substrate
A composite fabric structure comprising a plurality of warp and fill fibers or yarns forming a fabric substrate which is impregnated with a matrix material which contains a plurality of cells which impart compressibility to the fabric substrate. This fabr...
08/27/1996
5532426Switch cabinet with sealing elements for sealing a door when closed
A switch cabinet has a door that is provided with a sealing element made of elastic rubber material. The sealing element has a top bead with a cavity, as well as a fastening strip with a self-adhesive adhesion layer. The sealing element contacts one rim f...
07/02/1996
5527599Non-asbestos flexible sheet material
Non-asbestos flexible sheet material suitable for use in gaskets (e.g., automobile exhaust manifold gaskets) operating at high temperature (e.g., 500°-700° C.) is made by impregnating a non-woven tissue of glass or like fiber stable at 700° C. with an ...
06/18/1996
5443887Asbestos-free composition for gaskets containing an oil absorbent agent and gaskets including the composition
An asbestos-free gasketing composition comprising (a) a rubber component, (b) a non-asbestos fiber, (c) an oil-absorbing agent and (d) a filler useful for forming gasketing profiles such as a joint sheet, a beater sheet, a sheet containing a perforated me...
08/22/1995
5439233Large annular segmented seal with lock portions for missile launch tube
A hoop seal for a large annular opening having a high strength ring disposed in the hoop, the hoop having a sealing lip extending at an angle into the high pressure side of the seal, a base and a membrane connecting the hoop to the base which allows the h...
08/08/1995
5437920Soft asbestos-free sealing material
The present invention relates to sealing materials free from asbestos or other inorganic fibrous substances in the form of papers, paperboards, cardboards or plates. The gasket compositions preferably comprise a mixture of non-fibrillated organic fibers h...
08/01/1995
5332239High-temperature, bellows hybrid seal
A high-temperature hybrid seal is constructed of multiple elements to meet the many demands placed on the seal. The primary elements are: a central high-temperature bellows, a braided ceramic sheath covering the bellows, an outer abrasion resistant sheath...
07/26/1994
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
5286574Metal composite gasket material
A composite gasket material includes a fiber component (3-15% by wt.), an elastomeric binder component (3-15% by wt.), and a solid filer component (60-90% by wt.). The material may additionally include a phenolic or epoxy resin (up to 5 wt. %) and a silic...
02/15/1994
5272198Asbestos-free microdenier acrylic fiber reinforced material for gaskets and the like
Improved asbestos-free fiber reinforced material for use in the manufacture of gaskets, and the like, comprises (a) an elastomeric binder material and (b) microdenier acrylic fibers with a small diameter of up to about 12 microns, and a minimum aspect rat...
12/21/1993
1      
 
Sign InRegister
Username  
Password   
forgot password?