Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7374373 | Pocket hole drilling machine A pocket-hole drilling apparatus for drilling pocket-holes in a workpiece is disclosed. In one embodiment, an initiation switch actuates clamping the workpiece and the movement of a drilling module to cut a pocket-hole. The drilling module has a motor and a step-dri... | 05/20/2008 |
| 7367087 | Engraving and marking device particularly for machine tools and the like An engraving and marking device, usable in machine tools and the like, includes a supporting member provided with a coupling which is engaged by a spindle of a machine tool and supports a toolbit by means of an elastic support. The device is adapted to engrave and m... | 05/06/2008 |
| 7364393 | Machine adaptation The invention relates to the transmission of power and/or data from/to a stationary part of a machine tool 200 to/from an accessory 100 mounted in the spindle 210 of the machine tool 200. A first electrical link or interface 1a,... | 04/29/2008 |
| 7337688 | Two-part, low-backlash spindle nut Apparatus for screw transmission on a spindle comprising a nut having at least a first and second part with internal threads, at least one bore in the first and second parts, and at least one spring located within the at least one bore of the first and second parts ... | 03/04/2008 |
| 7328496 | Apparatus for rebuilding gas turbine engine blades An apparatus for aligning a gas turbine engine blade including an airfoil and a dovetail is provided. The apparatus includes at least one locator pin configured to engage a serration formed on the blade dovetail, a locator block supporting said locator pin where sai... | 02/12/2008 |
| 7252466 | Tool position referencing for CNC machines A CNC machining center has a table-mounted referencing device having two pedestals, each separately engageable by a tool in a Z-axis drive tool holder to establish a zero reference for vertical machining operations on a work-piece mounted on the table. The first of ... | 08/07/2007 |
| 7241087 | Core bit In a core bit formed with a boring blade at a front end thereof and integrally formed with a mounting portion, at a rear end portion thereof, formed with a guide portion in a cylindrical shape mounted to a chuck portion formed at a concrete drill, a ring-like seal m... | 07/10/2007 |
| 7210878 | Feed adaptation core drill A process for controlling and a core drilling machine (1) having an electrical motor (2) for rotational drive of a core drill bit (3) having cutting edges (5) oriented axial to a work piece (4), a feeding means (6) for gener... | 05/01/2007 |
| 7104866 | Machining device According to a machining device for machining a conductive workpiece (W) by a conductive (T), when the tool (T) contacts the workpiece (W) in machining, there is formed a closed-circuit (C) connecting the tool (T), the workpiece (W), a brush (315), a conducto... | 09/12/2006 |
| 7096555 | Closed loop backdrilling system A multilayer circuit board is provided with at least one signal layer, at least one feedback layer, and at least one dielectric layer positioned between the signal layer and the feedback layer. The signal layer is connected to at least one plated hole. The feedback ... | 08/29/2006 |
| 7080431 | Apparatus and methods for double ended processing System, including apparatus and method, involves processing materials in opposite directions between two machines along a processing path. ... | 07/25/2006 |
| 7059812 | Portable, hand-held multiple bit drill A portable hand-held multiple bit drill imparts a set of linearly aligned work areas of a work piece, which work areas are respectively and simultaneously drilled by the respective drill bits. A rotary power source communicates with a hand-held body holding a plural... | 06/13/2006 |
| 7052217 | Multiple cutting edge rotary tool The invention relates to a multiple cutting edge rotary tool having a radial individual adjustment of each cutting edge or having a central adjustment for all cutting edges together. The multiple cutting edge rotary tool used for machining has a number of holders th... | 05/30/2006 |
| 7047614 | Aircraft assembly process A method of producing an aircraft assembly tool for supporting an aircraft component comprising the steps of: determining the predetermined positions and orientations in space at which the component should be supported; designing a fixture frame to provide support a... | 05/23/2006 |
| 7017431 | Methods for inspecting components A method for inspecting a component. The method includes coupling the component to a fixture such that the component is fixedly secured in position during machining of the component, and inspecting the component using an inspection tool while the component is couple... | 03/28/2006 |
| 6979288 | Manufacturing system for aircraft structures and other large structures A production system for manufacturing a workpiece comprises an index system including a plurality of index devices removably mounted on the workpiece at known longitudinally spaced locations therealong, and a longitudinally extending index member releasably engaged ... | 12/27/2005 |
| 6955508 | Apparatus and method for separately boring precisely aligned opposing screw holes in individual frame members to be joined at a miter joint An apparatus and method for separately boring precisely aligned opposing screw holes in individual frame members to be matingly joined at a miter joint. The apparatus comprises a first boring means for boring a first screw hole in the first frame member, a second bo... | 10/18/2005 |
| 6855099 | Manufacturing system for aircraft structures and other large structures A production system for manufacturing a workpiece comprises an index system including a plurality of index devices removably mounted on the workpiece at known longitudinally spaced locations therealong, and a longitudinally extending index member releasably engaged ... | 02/15/2005 |
| 6561238 | Menu-driven, configurable door processing station A door preparation station includes a data processing control system that drives a display for presenting sequential series of menu selections that illicit operator information that is used as control data to configure the station for preparing a door for... | 05/13/2003 |
| 6438446 | Material directory-spindle speed and feed rate calculator A programmable command module for inputting a surface foot rating parameter into a device for controlling the spindle speed of a cutting tool. Based upon the surface foot rating, the proper speed of the spindle is determined with respect to a particular c... | 08/20/2002 |
| 5486746 | Positioning rule stopper apparatus in a numerical control router A positioning rule stopper apparatus used use in a numerical control router, includes a supporting bed; first and second rails mounted on the bed at right angles to each other; a head structure including a process head having a motor with a rotary shaft o... | 01/23/1996 |
| 5277523 | Precision depth spindle A precision depth spindle is mounted to rotate within a cartridge but is restrained against axial movement with respect to the cartridge. The cartridge is mounted for axial sliding movement within a housing, but cannot rotate with respect to the housing. ... | 01/11/1994 |
| 5094574 | Spot facing method and apparatus for printed circuit board A spot facing method and apparatus for processing a printed circuit board incorporates a sensing device having a sensor probe capable of sensing the level of the surface of a printed circuit board, another sensing device for sensing the position of the en... | 03/10/1992 |
| 5081763 | Automated drilling station An automated drilling station for use in a computer controlled manufacturing system comprising an adjustable frame structure for releasably clamping a work piece in a planar work position, a chuck assembly adapted to operatively receive a selected drill b... | 01/21/1992 |
| 5028176 | Glass drilling machine with cooling fluid back pressure control system A glass drilling machine for drilling holes in a sheet of glass in which each hole is partly drilled from one side of the sheet and is then finish drilled from the opposite side. The machine is made up of aligned first and second drilling devices which ar... | 07/02/1991 |
| 5022798 | Thrust-responsive two-speed drill and method of operation A positive feed drill and method of operation is disclosed for drilling through a workpiece consisting of a softer overlay material on a harder base material. The positive feed drill includes a high-speed air motor and a low-speed air motor and will start... | 06/11/1991 |
| 5002440 | Apparatus for automatically stopping operation of cutting machine In a cutting machine having a spindle drive motor, a die head which holds at least one cutting tool, and an automatic tool retracting means on the die head for detecting the completion of the cutting operation of a pipe to be cut by the cutting tool to au... | 03/26/1991 |
| 4867619 | High speed spindle with adjustable tool A high speed spindle has a motor and tool adjustment mechanism which aligns spaced bearing means to rigidly support the spindle shaft at high speed operation and to prevent excessive lateral loading of a bearing unit of the tool adjustment mechanism. The ... | 09/19/1989 |
| 4807587 | Process of forming openings In a process using a hand-held drilling device for forming openings in a construction material containing steel reinforcing members, during the drilling step the electrical resistance between the drill bit and the reinforcing members is continuously measu... | 02/28/1989 |
| 4745557 | Machine tool control system A machine tool setting device and control system are provided. The machine tool setting device sets the machine tool tip at a predetermined distance above a work piece by detecting when the machine tool tip intercepts an optical beam. The control system a... | 05/17/1988 |
| 4721172 | Apparatus for controlling the force applied to a drill bit while drilling A method of apparatus for controlling in a wellbore the force applied to a rotating drill bit of the type having fluid circulating through an opening in the lower end thereof. One aspect of the method comprises sensing the torque in the drill bit and vary... | 01/26/1988 |
| 4704689 | Machine tool for machining a workpiece by feeding a cutting tool in a series of discrete steps and related method A machine tool for machining a workpiece by feeding a cutting tool into the workpiece in a series of discrete steps wherein a constant value is stored for each of those steps, a calculation is performed responsive to the value of a variable factor affecti... | 11/03/1987 |
| 4694871 | Process for the manufacture of panel-type workpieces with assembly bores, more particularly, made of wood or wood-like material and apparatus for performing the process A process is described, with the aid of which panel-type workpieces to be manufactured from a panel blank may also be provided with flat face and/or end face bores in the course of their manufacture. For this purpose, the panel blank is displaced transver... | 09/22/1987 |
| 4688456 | Apparatus for punching of angular steel profiles An apparatus for punching of an angular steel profile comprises a feed conveyor and a discharge conveyor for the angular steel profile, a rigid frame portion, two punch carriages and at least one punch carriage positioning motor for moving the punch carri... | 08/25/1987 |
| 4688970 | Power drill and automatic control system therefore A power drill and automatic control system includes a drill spindle for mounting a rotary cutter, a spindle rotation drive including a drive motor and an associated rotation drive mechanism operably connected to the spindle to rotate it; a spindle feed dr... | 08/25/1987 |
| 4687563 | Electrochemical machine apparatus with drill-depth and rate monitor A drilling rate and depth monitor is provided for determining the rate in which apertures are formed in a workpiece using an electro-chemical machining process. The drilling rate and depth monitor is particularly useful where the rate of aperture formatio... | 08/18/1987 |
| 4685294 | Viscosity-temperature compensator for hydraulic systems A hydraulic control system for a downhole sidewall coring tool having first and second power hydraulic systems in which changes in pressure drop in a portion of the first hydraulic system adjusts a control valve to change the pressure in a part of the sec... | 08/11/1987 |
| 4681489 | Process of forming openings For locating steel reinforcing members in construction materials, a galvanic cell is formed between an electrode and the reinforcing members by placing the electrode in electrically conducting contact with the construction material. When drilling an openi... | 07/21/1987 |
| 4669927 | Deep hole drilling machine A deep hole drilling machine having a drill headstock and a drilling carriage, and a drill guide carriage disposed between them, at least two of these three units being displaceable on the machine bed, and the workpiece and/or the drill tube being rotatab... | 06/02/1987 |
| 4648757 | Precision adjustment system for boring tools A system is disclosed for automatic radial adjustment of a boring tool in a machine tool spindle to accurately size a bore in a workpiece within extremely close tolerances over a wide range of bore sizes. The system includes a boring tool mounting a toolh... | 03/10/1987 |
