Matches 1 - 50 out of 91 1 2 >


Match Document Document Title
7871312 Hydrant grinding arrangement  
An adjustable removable grinding arrangement for grinding inside annular openings in bottom portions of water hydrants. The grinding arrangement comprises a router having an energizable motor with...
7662026 Valve gasket sealing surface refurbishing methods and systems  
In one embodiment, a device to resurface a sealing surface of a fluid connector in a fluid delivery component is provided. The device may include a housing adapted to be reversibly coupled to the...
6957659 Sliding disk valve for pneumatic conveyance of abrasive material  
A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with...
6921322 Apparatus and methods for refinishing a surface in-situ  
The invention features a self-contained, portable apparatus for performing precision grinding operations on metal disks of up to, e.g., 54 inches in diameter. The apparatus can be attached to the...
6325575 Tool for machining multiple surfaces on a stationary workpiece  
A tool for simultaneously machining multiple surfaces on a stationary workpiece can include a rotary tool body having multiple cutter assemblies spaced circumferentially around the tool body....
6267653 Device for grinding an end face, especially an annular surface at the edge of a workpiece bore  
A device for grinding an end face at an edge of a workpiece bore of a workpiece has a driven grinding tool and a guide pin, connected to the grinding tool, for insertion into the workpiece. The...
6248008 Valve lapping tool  
A valve lapping tool is comprised of a molded plastic and wood particulate composite having knurl pattern on the outside surface of the handle of the tool. Rubber suction cups are attached to the...
6173494 Method of making a valve seat  
A valve seat for a ball valve, especially a fuel-injection valve for an internal-combustion engine is finely ground to form a trough in the conically-ground seat with a circular arc cross section...
6099213 Automatic boring device  
An automatic boring device is provided that comprises a tool housing having attached to it two opposing handles with switches mounted thereon for selective engagement of pneumatic controls that...
6042456 Suction operated valve resurfacing tool and associated method  
Disclosed is a suction operated valve resurfacing, or lapping, tool and an associated method for its use. In general terms, the tool of the present invention includes a handle portion and a suction...
5934976 Method for grinding a taper surface and grinding apparatus using the same  
A lower side of a rotatable grindstone spindle is connected directly to a PZT (Piezoelectric element). By changing electric drive supplied to the PZT, reciprocating movement can be applied to the...
5931728 Device for carrying out mechanical tooling of a valve seat  
The invention concerns an arrangement for machining a valve seat (1a) in a valve housing (1). The housing has a circular opening (1d) which is concentric with the seat (1a) and about which is a...
5897429 Injection molding seat lapping device  
A lapping device for lapping an injection molding cylinder seat is provided having a housing that supports a gear system. A drive shaft having a lapping disk secured to one end thereof is mounted...
5882250 Valve refacing tool  
A valve refacing tool comprising a hollow cylindrical column. The column has an upper end and a lower end and has a central bore throughout its entire length. The column has exterior threads at its...
5829928 Apparatus and method for machining valve seats in an engine cylinder head  
The valve seat and guide machine comprises a base structure which supports a pantograph having a major arm and minor arm which moves slidably with respect to the major arm. A spherical head is...
5725335 Apparatus for machining valve seats in an engine cylinder head  
The valve seat and guide machine comprises a base structure on which is pivotally supported a pantograph having a major arm on which is mounted a drive motor and minor arm which moves slidably with...
5337521 Valve grinder  
Valve grinder comprising a grinding wheel mounted on a bench, said bench also having a surface for supporting a valve stem support stand mounted a spaced distance from said grinding wheel, said...
5319916 Valve stem polishing method  
An apparatus and method for polishing combustion engine valves. The machine includes a rotating deburring wheel for on contact with the valve stem and a regulating surface which provides support...
5303509 Apparatus for producing sealing faces on valves  
An apparatus for treating valves having a sealing seat embodied on a movable valve element and a valve seat face embodied on a valve seat body in such a way as to improve the surface quality of the...
5218788 Valve stem polishing method and apparatus  
An apparatus and method for polishing combustion engine valves. The machine includes a rotating deburring wheel for on contact with the valve stem and a regulating surface which provides support...
5148633 Tool for resurfacing exhaust port flanges  
A tool that enables resurfacing of exhaust port flanges in the substantial absence of engine disassembly. An air motor that controls rotation of a resurfacing device is carried at the end of an arm...
5133154 Apparatus and fixture for use in grinding the needle tip and the needle seat in a fuel valve  
An apparatus for use in grinding the needle tip and seat in the needle housing of a fuel valve includes a grinding pin (1) and a holder (4) for the grinding pin. The holder (4) is shaped and...
5097635 Method and apparatus for automatic ball to seat lapping  
Disclosed is a new and improved method and apparatus for automatically lapping a ball and a seat of a valve to produce a non-flat lapped sealing surface finish that provides a reliable fluid seal...
5030041 Compact boring system  
A compact boring system 20 for machining the interior surface of cylindrical shapes, such as steam turbine valves and rotors in a field situation. The apparatus is designed to set up in the object...
5030046 Valve seal ring seating machine  
The disclosure involves a portable milling machine for remachining radially directed access bores of interest in large check valves which is readily attached to and removed from the valve and is...
5001871 Machine for precision machining, with a rod for the determination of the practical mean axis of a hole of cylindrical general contour  
Machine for precision machining, with a rod for the determination of the ctical mean axis of a hole of cylindrical general contour. The present invention relates to a machine for precision...
4996799 Frost-free silcock seat repair tool  
A tool is provided for use in repairing a silcock which has a valve stem, a washer and a valve seat axially aligned with the silcock neck with the forward face of the washer being selectively...
4958464 Lapping machine  
Lapping machine for lapping the security valve and pressure relief valve body seats installed in all kind of operations working with fluids under pressure, such as nuclear power plants, power...
4901752 Apparatus for maintenance of ball valve  
Apparatus for maintenance of the moveable pipe sleeves (52), bearing surface and seals of a ball valve. The apparatus has a bonnet (7) designed to be secured to and form a tight connection with a...
4852306 Toolholder device for a machine tool  
The present invention relates to a toolholder device for a machine tool.A device according to the invention integral with a table (3) moveable in two directions perpendicular to one another...
4833835 Portable liquid and gas valve seat grinder  
A portable valve seat grinder and method of its use is disclosed. The portable valve seat grinder comprises a body element with a longitudinal hole there through, with bushings mounted in the...
4800684 Apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop  
An apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop has a base plate (21), a drive (6), and a rotatably mounted tool plate (3) which is...
4715149 Steady rest for valve grinding apparatus  
Flow valve seat grinding apparatus incorporating an improved steady rest means. Includes a tubular drive shaft housing which houses and supports a rotatable and longitudinally movable drive shaft...
4678379 Apparatus for machining a valve's seat  
Apparatus for machining a stop valve seat ring while the valve remains piped to a turbine comprises a pair of spiders with adjustable arms which fit within the valve and a shaft rotatably supported...
4672786 Valve seat grinding apparatus  
Valve seat grinding apparatus incorporating an improved articulated rotatable torque transferring coupling. The coupling includes torque transfer member in connection with a pair of functionally...
4637762 Hand-operated valve refacer  
A valve refacing tool having a housing with a bore therethrough which includes a large-diameter portion at one end thereof. A substantially cylindrical support is disposed within the large-diameter...
4630977 Valve seat resurfacing apparatus  
An apparatus and method for resurfacing valve seats in a cylinder head are based upon utilizing a modified constant velocity universal joint of the type used in front wheel drive automobiles. A...
4627461 Self cleaning valve  
A self-cleaning valve has its closure member rotated against a valve seat during closing, by an externally threaded spindle rotated by an actuator. The spindle has a threaded portion screwed...
4620395 Valve grinding apparatus  
Apparatus for grinding valve seats comprises a grinding head 1 rotatably mounted on a supporting arm 2 bearing a drive motor 11 connected to rotate the head 1, and a support structure including a...
4610112 Apparatus for grinding and/or reconditioning plane, annular surfaces  
An apparatus and method for the grinding and reconditioning of valve seats utilizing adjustable, rotatable satellite grinding wheels to change the diameter of the annular surface defined by the...
4581854 Valve grinding apparatus  
Apparatus for grinding a valve seat of an internal combustion engine using a conventional handheld power drill. A tubular housing provides a shoulder for aligning the tool with the valve and seat...
4566229 Honing tool  
A tool for honing an axially facing annular surface surrounding an elongated shaft includes an annulus which is placed around the shaft and supports honing stones which are engageable with the...
4555205 Reamer holding device for machining valve seats  
A holding device for a rotating body comprising a tubular member (1) which permits insertion therein of the rotating body, at least three support members (2) disposed along the inner periphery of...
4545706 Method and machine for machining the surface of a valve seat  
A method and machine for machining the surface of a valve seat (3) which is required to have a very accurate alignment with respect to a guide bore of a valve guide (2).In order to be capable of...
4545152 Grinding apparatus  
The grinding apparatus permits precision machining of a valve seat or a sealing surface, and includes a grinding spindle having a holding and guiding part extending into a finished workpiece bore...
4467566 Valve seat grinding device and tool for using same  
A tool and a grinding member for installing thereon comprising a support structure having inner and outer portions journaled for relative rotational movement, a guide member for mounting on an...
4468158 Inplace ball valve repair apparatus  
Apparatus for inplace refinishing of the annular seating surfaces in top ded ball valves which comprises a locating ring adapted to be mounted on the top surface of the valve housing. An alignment...
4465091 Improved self-grinding valve  
An improved, motorized Lunkenheimer valve is provided having two independently actuated drive means for operating the valve, one of which moves the valve stem and disc longitudinally along the axis...
4460009 Valve stem actuator  
A valve stem actuator for a slurry valve or the like includes a support frame extending from the valve body to a linear operator having a cylinder and piston. Means are provided for connecting the...
4449330 Resurfacing process and tool for installing catridge-type  
A centrifugal pump is quickly and easily fitted with a cartridge-type replacement seal where its impeller shaft emerges from its casing, even though the casing is badly corroded in the region at...
Matches 1 - 50 out of 91 1 2 >