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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8062012 | Elastomeric seal sizer An apparatus and a method for changing the shape of seals is provided. The apparatus includes an elastomer member that applies force onto the seal to change the size of the seal. An embodiment of the invention includes returning the seal to its original diameter by ... | 11/22/2011 |
| 7866968 | Reusable inversion sleeve assembly for inversion of cured in place liners Installation of a flexible cured in place liner by inverting the liner utilizing an inversion sleeve assembly with an installation apparatus having at least one selectively operable rigid gland. The sleeve assembly includes a sleeve portion of an absorbable material... | 01/11/2011 |
| 7198744 | Preparation of co-extruded multi-layered rubber composite and use as component of a tire This invention relates to the preparation of a multi-layered rubber composite, said composite and a tire having a component prepared thereby. The multi-layered rubber composite is composed of at least two individual rubber compositions configured as at least three p... | 04/03/2007 |
| 6916163 | Device for treading a tire carcass The invention relates to a device for treading a vulcanized tire carcass using an uncured tread comprising a rim (6) for mounting the carcass, an elastic annular mold (7) whose circumferential outer surface is covered with an elastic sleeve (16)... | 07/12/2005 |
| 6783343 | Two-piece retread envelope A retread autoclave envelope for a vehicle tire casing is a two-part vacuum envelope. A first part has a generally J-shaped cross-section which provides an annular cavity for receiving a first sidewall and the peripheral tread of the tire assembly. A second portion ... | 08/31/2004 |
| 6406282 | Sealing ring and rim assembly for use in retreading tires A sealing ring and rim assembly for use with an outer curing envelope to retread a tire casing. The assembly includes a rigid annular rim having a fixed diameter and a resiliently expandable elastomeric annular sealing rim captured on the rim. An inflatab... | 06/18/2002 |
| 6224708 | Process for producing a printing form A process for producing a printing form on a form cylinder, which process operates reliably even in the case of large form cylinders and high laser powers, contains the process steps of drawing a blown film tube onto the form cylinder, transferring surfac... | 05/01/2001 |
| 6149749 | Repair of composite laminates A patch of fibre reinforced plastics composite material, a repair kit including such a patch and a method of using such a patch and repair kit are provided. The patch (1) is for attachment to a surface (17) of a fibre reinforced plastics composite structu... | 11/21/2000 |
| 6095784 | Repair device for damaged shafts or journals The present invention includes an apparatus and method for in situ repair of damaged bearing surfaces of shafts or journals. The apparatus consists of a bracket assembly supporting a forming material axially aligned with and sized to the damaged shaft or ... | 08/01/2000 |
| 5958312 | Process for the partial reconstruction of the refractory lining of the wall of steel casting ladles It was difficult until now to carry out intermediate repairs of monolithic refractory lining walls of steel casting and handling ladles when the slag area of the lining was worn before other areas. According to this new process for reconstructing the refr... | 09/28/1999 |
| 5804093 | Joint infill mold A system for filling a gap between jacket ends at a joint between two lengths of jacketed pipe is disclosed, comprising: a mold and two pairs of side straps encircling the mold. The mold comprises a sheet of material having first and second ends and oppos... | 09/08/1998 |
| 5526857 | Method of manufacture of veneered door with raised panel A method of making a veneered door with a raised central panel that is elongated and vertically oriented in which only three pieces need to be assembled. A suitable wood or wood-like stock is machined to form first and second elongated, generally rectangu... | 06/18/1996 |
| 5296173 | Tire section repair unit and method An improved tire section repair unit for the repair of a damaged section of a tire. The repair unit includes two curved side walls pivotally connected to the base of the unit. A locking arm is provided that securely encloses the entire system of curved wa... | 03/22/1994 |
| 5223272 | Apparatus for repairing cracked walls A method of repairing cracks in brick walls by drilling spaced apart injection ports into the crack. Verification ports are drilled generally in alignment with the injection ports on each side of the crack. The wall is saturated with water and grout is in... | 06/29/1993 |
| 5154794 | Tire envelope expander An envelope expander for mounting an annular envelope of a flexible resilient material upon a tire supported upon a tire support with the tire axis in a horizontal position includes a vertically disposed rigid gate-like frame having a central opening of a... | 10/13/1992 |
| 5098268 | Sealing rings for use with outer curing envelope during tire retreading Sealing rings for use with an outer curing envelope to retread a tire. Each ring includes an outwardly opening annular channel member having a base portion molded to conform to the contour of the tire bead, and an annular outer flange portion having an en... | 03/24/1992 |
| 5098509 | Tire envelope sealing device An expandable annular envelope sealing device for manually sealing a curing envelope between an outer annular portion and the bead of a tire to be retreaded in an autoclave. This envelope sealing device includes two opposed, expandable semicircular half-r... | 03/24/1992 |
| 4878822 | Tire recapping curing jacket A curing jacket for use in conjunction with a tire to be recapped having a pair of sidewalls and a tread. The curing jacket includes a unitary tubular envelope having first and second edges. The curing jacket is sized to encase the tire by extending aroun... | 11/07/1989 |
| 4767301 | Automatic control for an extruder An automatic control for an extruder has a temperature sensor which monitors the exit temperature of the extrudate and several pressure transducers which monitor the pressure within the extruder to control the cooking of the mash inside the extruder to en... | 08/30/1988 |
| 4720313 | Hydraulic tire repair method A method and apparatus for vulcanizing a rubber repair patch on a tire incorporating an internal fluid pressure bag placed within the interior of the tire and against the patch, an inflatable mandrel within the tire and against the internal bag, an extern... | 01/19/1988 |
| 4708608 | Heat pad A heat pad for pressing against a curved surface of an annular tire to vulcanize a tire patch having a channel-shaped sheet member of resilient conductive rubber material with reinforcing electrodes adhered to the sheet member at the elongated side edges,... | 11/24/1987 |
| 4600467 | Apparatus and method for tire recapping In combination with a tire casing, including a pre-formed, pre-cured, or uncured tread disposed about its periphery, and a curing envelope covering said tread and at least the outwardly facing side walls and bead portion of the tire casing, means are disc... | 07/15/1986 |
| 4434018 | Tire retreading system with envelope pressure The present invention covers the method and apparatus to retread tire casings using a precured tread system where an envelope or flexible fluid tight member is used to cover a retread tire casing assembly and then placed in an autoclave where the autoclav... | 02/28/1984 |
| 4329132 | Hole plugging system A system for plugging holes in vessels which comprises the combination of a storage and delivery system for a foam-forming material, and a hole-plugging assembly. The hole-plugging assembly includes a flexible nonelastic bag member which is inserted in a ... | 05/11/1982 |
| 4284451 | Tire repair method and apparatus A method of tire repair in which flexible heating pads are applied to both the inside and outside of a patch area of a tire casing, and held in place under equalized pressure against the patch area by inflatable means. An inner tube is the inflatable mean... | 08/18/1981 |
| 4042443 | Flexible matrix for forming a portion of a toothed power transmission belt A method and assembly for making a power transmission belt having driving teeth on opposite surfaces thereof and a tensile member embedded therein. The disclosure also relates to a belt made by the method and apparatus. The method includes providing separ... | 08/16/1977 |
| 3940463 | Relating to the repair of tires Apparatus for curing a tire repair wherein an electrical heater pad is placed against the repair area on the inside of the tire, and is supported by a flat air bag which lies against the inside of the tire, and is supported by a sausage-shaped air bag. An... | 02/24/1976 |
