Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8136816 | Laminated multiple-layered split boot A multiple layering means of a protective laminated multiple-layered split boot layer assembly, providing both very important qualities of easy installation and reliable boot sealing performance. Easy installation is easy to achieve but the reliable boot sealing per... | 03/20/2012 |
| 7950669 | Method for providing an improved sealing system for high speed applications The invention provides a method that can be applied, for example, to seal a constant velocity joint. The invention includes a method comprising the steps of substantially sealing the constant velocity joint with the primary boot which includes first and second ends,... | 05/31/2011 |
| 7380964 | Recessed luminaire having a moisture barrier A recessed luminaire having a moisture barrier is disclosed. The recessed luminiare has a socket cup which receives a removable and deformable moisture barrier gasket, the moisture barrier gasket forming a seal along an inner diameter of an aperture which receives a... | 06/03/2008 |
| 7377174 | Capillary weld extension with thermal isolation A remote seal assembly includes a seal body and an extension. The seal body defines a cavity with a diaphragm that seals the cavity from a process fluid. The extension is connected with the seal body on a first end and is configured for connection to a capillary tub... | 05/27/2008 |
| 7295131 | Diagnostic system for detecting rupture or thinning of diaphragms A diaphragm diagnostic system for use in an industrial field device has a diaphragm and a diagnostic feature. The diaphragm is configured to couple the field device to a process fluid and has a plurality of layers. A first layer of the plurality of layers is exposed... | 11/13/2007 |
| 7290771 | Bellows seals for thermoacoustic devices and reciprocating machinery A bellows has an elongated bellows body defined by a flexible wall. The wall encloses a volume and extends between a first end and a second end. The body has a cross-sectional shape and a cross-sectional dimension that are generally constant between the first and se... | 11/06/2007 |
| 7267330 | Split ring seal A split ring seal having a structured split formed with first and second overlapping leaves, movable between a compressed state and an expanded state, and having a first bore through the first leaf and a second bore through the second leaf such that, in the compress... | 09/11/2007 |
| 7017436 | Boot assembly for a vehicle A boot assembly for a vehicle includes a retainer adapted to be connected to vehicle structure of a vehicle and a boot for surrounding either one of a shifter and parkbrake of the vehicle. The boot assembly also includes a seal connected to the boot and to the retai... | 03/28/2006 |
| 7004731 | Diaphragm pump having a gas venting surface A scarred surface structure on the cover curvature of a diaphragm compressor is created by shot blasting. The scarred surface structure hinders the sealing effect between the cover curvature and the diaphragm and thereby counteracts the formation of gas cushions. | 02/28/2006 |
| 6994354 | Vibrationally decoupling gasket A gasket includes a fist sealing portion, a second sealing portion, and an elastic arm sealingly connecting between the two. The first sealing portion sealingly engages a first member and the second sealing portion sealingly engages a second member. The elastic arm ... | 02/07/2006 |
| 6951336 | Method of manufacturing a boot seal The present invention resides in a boot seal for use in sealing a joint. The joint comprises first and second relatively movable parts. The boot seal is configured in the form of a sleeve to extend between and around the vehicle relatively movable parts. The sleeve ... | 10/04/2005 |
| 6932346 | Method for installing a protective gaiter around a joint A method of installing a gaiter (10) around a joint defined between joint members of joints of vehicles, such as steering joints and constant velocity joints. The method provides a range of gaiters for use with a range of joints of different dimensions, the r... | 08/23/2005 |
| 6708986 | Device and method for ducts sealing This invention relates to a device a metod for ductchs sealing composed by a sealed bag, with no valve and or accesses, divided by a separator device wich can be un-welded before the application, containing separated chemical substances able to react and generate ga... | 03/23/2004 |
| 6640823 | Fitting A fitting including a housing (2), a rotatable body (4) which is situated in the housing and which may advantageously be constructed in the form of a conical plug, a bushing (18) provided in the housing to floatingly mount and seal the rotatable body (4),... | 11/04/2003 |
| 6581938 | Flexible seal forming member A seal apparatus including an elongated body formed of a resilient expandable material defining an interior chamber and having a longitudinal axis. The elongated body is capable of being rolled up on itself by rolling one of the first and second ends of t... | 06/24/2003 |
| 6550776 | Intermediate metallic layer for flat packing and process for the production of a flat packing with such an intermediate layer A vacuum packing configuration and installation for use therewith, has a first part and a second part. The first part includes a hydraulically or pneumatically expandable, medium-tight volume adapted to be acted upon by an hydraulic or pneumatic medium, w... | 04/22/2003 |
| 6500390 | Method for sealing and venting a microplate assembly A microplate assembly comprising a multi-well microplate, a plurality of vent caps and a porous vent film. The microplate includes a frame that houses a plurality of open wells in a rectangular array. Vent caps mount on the microplate to seal and vent the... | 12/31/2002 |
| 6481927 | Assembly and method for joining a drain pipe and a catch basin An assembly and method of joining a pipe with a catch basin, the catch basin having an apertured side wall, the assembly and method including providing an elastomeric ring having an annular hollow expansion space, a foam injection port, a flow checking in... | 11/19/2002 |
| 6234488 | Heat shrinkable boot seal and method of installation An apparatus (10) includes a bearing (24) linking first and second vehicle parts (12, 14) for movement relative to each other, and a boot seal (30) protecting the bearing (24). The boot seal (30) is a tube of heat shrinkable thermoplastic material. The tu... | 05/22/2001 |
| 6203019 | Machine and method for preventing flange leakage A diaphragm weld assembly for preventing fluid leakage from a flange. The diaphragm weld assembly has a flange having a platform, the platform having an opening and an annular weld pocket concentric with the opening, a diaphragm resting on the platform an... | 03/20/2001 |
| 6120033 | Process diaphragm seal A process diaphragm seal includes a diaphragm seal body having a seal body ring portion surrounding a cavity and a diaphragm having a diaphragm ring portion. The diaphragm ring portion includes a diaphragm ring outer portion that corresponds to a seal bod... | 09/19/2000 |
| 6082183 | Test assembly for fluid tight integrity of pipeline joint An improved system for the non-destructive testing of the fluid tight integrity of an installed fluid transfer line such as a drain pipe or vent and wastewater system of a building. A removable test baffle is held in place between ends of adjacent section... | 07/04/2000 |
| 5951019 | Method of forming a metal-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... | 09/14/1999 |
| 5826886 | Wall feedthrough fitting An anchored guide tube centered on an axis and a conduit passing axially through the tube are relatively sealed by a feedthrough fitting having a flexible and shrinkable sleeve having an inner portion secured to an outer surface of the guide tube at an en... | 10/27/1998 |
| 5655778 | Bellows self-threading seal A method and apparatus for improving a seal of a pliant tubular member on a cylindrical shaft. The seal is in the form of an articulating seal member positioned on a piston rod of a reciprocating pump and in this invention, is for use in a system that has... | 08/12/1997 |
| 5213346 | Method and apparatus for sealing between two relatively articulable surfaces A method and apparatus for sealing between relatively articulable surfaces is provided by folding a thin flexible sheet material to form a multilayer flattened elongated member. A large gap can be sealed, and seal installation and service life is improved... | 05/25/1993 |
| 4732398 | Bellows-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 |
| 4607852 | Accordian-folded boot shield for flexible swivel connection A flexible swivel boot connector for connecting a first boot shield section to a second boot shield section, both first and second boot sections having openings therethrough, the second boot section having at least two adjacent accordian folds at the end ... | 08/26/1986 |
| 4558869 | Covering for rotating flexible axle joints A boot for enclosing a flexible rotating joint. The boot body has a generally tubular shape with end openings and at least one longitudinal seam running from one end opening to the other. The seam is formed by two edges. One edge mates with the other edge... | 12/17/1985 |
| 4527803 | Bellows seal with groove edge folded over bead, for ball and socket joints In a ball and socket joint comprising a ball and a socket in mutual swivelling sliding engagement with each other, the ball having a stud integrally formed at one end thereof and projecting outwardly through one end of the socket, the improvement consisti... | 07/09/1985 |
| 4419027 | Bellows seal for ball and socket joints In a ball and socket joint comprising a ball and a socket in mutual swivelling sliding engagement with each other, the ball having a stud integrally formed at one end thereof and projecting outwardly through one end of the socket, the improvement consisti... | 12/06/1983 |
| 4392655 | High-pressure seal with controlled deflection under pressure A seal for a movable shaft which extends from a cavity within a high-pressure vessel maintains a uniform gap between the shaft and the seal body at high pressures to form an effective seal while providing adequate clearance between the shaft and the seal ... | 07/12/1983 |
| 4268042 | Flexible bellows piston seal Means and method are provided for utilizing a piston and cylinder combination eliminating the usual sealing and oil rings and their accompanying friction and replacing them with ball bearings which in the principal embodiment are captured in splitring cag... | 05/19/1981 |
