Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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.
| Number | Title | Issue Date |
| 7291830 | Light pipe, system and method for measuring light attenuation A light pipe, a system and a method measure light attenuation from an optical fiber connected to a light source. The optical fiber transmits light from the light source to a light detector to determine a distance between the optical fiber and the light detector. The... | 11/06/2007 |
| 7290695 | Friction stir welding apparatus The apparatus includes a base 23 fixed at a predetermine position, a tool holding jig 29, to which a welding tool 21 is mounted, installed on the base 23 rotatably about a preset reference axis L1 and movably along the reference ax... | 11/06/2007 |
| 7145097 | Method and apparatus for electrical resistance spot welding using electrical servo actuator The present invention provides a servo driven spot welder where an electric servo actuator moves at least one of two electrodes to and away from the workpiece. The servo driven spot welder includes a controller that allows accurate control of the position of one of ... | 12/05/2006 |
| 7021157 | System and method for testing a clamping force A system for testing a clamping force includes a lever, a base, and a sensor, The lever is coupled to a pivot and moves about the pivot. The lever includes a first end and a second end on opposites sides of the pivot. The base receives a first tip of a clamp and mai... | 04/04/2006 |
| 7002103 | Welding-type power supply with a state-based controller A method and apparatus for providing welding-type power includes a source of welding-type power and a controller. The controller is a state-based controller, and/or a deterministic control module, connected to the controller output. The state-based control module in... | 02/21/2006 |
| 7002095 | Spot welding system and method of controlling pressing force of spot welding gun A spot welding system using a spot welding gun having a servomotor for driving welding tips capable of suppressing variation of pressing force due to influence of heat generated by welding current to obtain an uniform pressing force. A difference between the tempera... | 02/21/2006 |
| 6952009 | Apparatus, a system and a method for monitoring a position of a shaft element in a cylinder and an apparatus, a system and a method for cleaning of the shaft element An apparatus, a system and a method are provided for monitoring position of a machine element within a mechanical system and/or cleaning a machine element. A light source and sensor may be positioned within a cylinder. The sensor may detect the intensity of light wi... | 10/04/2005 |
| 6941826 | Method and device for detecting abrasions of electrodes in stationary welding gun A method for detecting abrasion of both a moving side electrode (2) and a fixing side electrode (3) of a stationary type welding gun in which the moving side electrode (2) and the fixing side electrode (3) opposed to the moving side elect... | 09/13/2005 |
| 6911615 | Welding head A welding head for connecting weld members by resistance welding includes an infeed cylinder having a piston rod, an electrode movable via the cylinder; and a sensor arranged between the piston rod of the infeed cylinder and a readjusting spring for the rapid readju... | 06/28/2005 |
| 6906276 | Resistance spot welding control device and method The invention relates to a control device for spot welding with a welding electrode pincer (Z), the welding electrodes (E1, E2) of which are connect to a welding current generator (IS) and an electric motor drive (M), with a rotary transducer (RES), th... | 06/14/2005 |
| 6888089 | Method of and device for setting reference position for servo spot welding gun A method of and device for automatically setting and updating a reference position of a welding tip of a servo spot welding gun to automatically compensate displacement of a distal end of a welding tip by abrasion thereof. A movable welding tip is moved towards a st... | 05/03/2005 |
| 6875946 | Device for welding The present invention relates to a nut positioning pin disposed on a lower electrode for the projection welding of a nut. The present invention increases cooling and positioning accuracy, prevents entrance of sputtering particles, and increases the detecting accurac... | 04/05/2005 |
| 6870122 | Electrode alignment inspector and method Method and apparatus for detecting unacceptable misalignment of welding electrodes. An electrode-alignment station is positioned adjacent a welding station. A robot controls the movement of the electrodes, and occasionally moves the electrodes out of the welding sta... | 03/22/2005 |
| 6828522 | Adaptable servo-control system for force/position actuation An adaptable, servo-control system for force/position actuation generally includes an electric linear actuator and a controller. The controller interfaces with the electric linear actuator and with a number of I/O signals that are independent from the electric linea... | 12/07/2004 |
| 6696660 | Method and system for weld process monitoring A weld tip testing head is presented. An alignment member has an aperture disposed therein and is coupled to a spring element. The spring element is further coupled to a mounting. The aperture is operable to removably receive a weld tip and the alignment ... | 02/24/2004 |
| 6621036 | Programmable pogo welding apparatus and method A pogo welding apparatus especially for spot welding metal sheets at selected locations spaced away from their edges wherein the sheets are held in a temporary assembly with the selected locations engaged and separate programmable positioners move a prima... | 09/16/2003 |
| 6573470 | Weld gun heat removal A weld gun includes internal, external and structural devices that dissipate heat generated at electrode tips without requiring a continuous external source coolant. The internal devices utilize heat pipes within the electrodes to transfer heat to seconda... | 06/03/2003 |
| 6531674 | Welding gun and methods conducted using the same An intelligent welding gun is provided with a fixed side sensor in a fixed side portion. The mechanical impedance of the fixed side portion is kept small, which permits the mechanical impedance to be set in a range where the fixed side sensor can effectiv... | 03/11/2003 |
| 6506996 | System and method for performing preventative maintenance upon spot welding guns A system and method for performing preventative maintenance upon spot welding guns in an automotive vehicle assembly plant is disclosed. The system includes a data collection system, a data analysis system and a database. The system has the ability to mon... | 01/14/2003 |
| 6460007 | Method and apparatus for determination of resistance spot welded flange width A data processing system is provided for determining a minimum flange length for a joint to be welded by resistance spot welding. In particular, the data processing system utilizes data for a preselected weld electrode and a set of joint data representati... | 10/01/2002 |
| 6455800 | Servo-pneumatic modular weld gun A fully programmable servo-pneumatic modular weld gun having closed-loop position and pressure control generally includes a weld gun base module, a pneumatic cylinder with a movable piston having a first welding electrode, a J-shaped gun arm having a firs... | 09/24/2002 |
| 6453213 | Robot control system and method A robot control system and method for controlling a robot that performs working on a working path between a specified working start point and a working end point. The robot control system includes an interrupt request signal generating section for generat... | 09/17/2002 |
| 6359249 | No wat welding system The present invention relates to an improved resistance weld-based gun assembly for use in an electric welding system without a need for plant-provided air and water-cooling circulation systems. In one aspect of the invention, a resistance-based force con... | 03/19/2002 |
| 6359566 | Welding machines Resistance welding machines may include one or more temperature sensors that measure the temperatures of one or more heat generating elements within the welding machine, such as the welding transformer, the welding cable, the welding gun and/or the weldin... | 03/19/2002 |
| 6342686 | Method for determining a condition of a resistance spotwelding system or a workpiece in the system This invention relates to methods to control the resistance spotwelding process using an electric servomotor actuator to move the welding electrodes to the work and apply force to them. Measurements of actuator position, servomotor drive voltage, servomot... | 01/29/2002 |
| 6337456 | Welding machine and method for assembling same In a resistance welding machine, an arm including one electrode tip, a drive unit including a linear guide for driving another electrode tip corresponding to the one electrode tip, and a welding unit including a welding transformer for passing a secondary... | 01/08/2002 |
| 6313427 | Welding gun and methods conducted using the same An intelligent welding gun is provided with a fixed side sensor in a fixed side portion. The mechanical impedance of the fixed side portion is kept small, which permits the mechanical impedance to be set in a range where the fixed side sensor can effectiv... | 11/06/2001 |
| 6303893 | Resistance projection welder and method therefor A resistance projection welder for welding first and second work pieces to each other. The first work piece having a body with opposing sides with at least one projection extending from one of the opposing sides and contacting the second work piece to spa... | 10/16/2001 |
| 6294753 | Resistance welding machine control method A resistor welding machine control method for calculating a temperature distribution at a portion to be welded by using changes in welding current and voltage across two welding electrodes during welding and information on sheet combination sequence at a ... | 09/25/2001 |
| 6278077 | Weld indexing method and system A welding method and system for welding a workpiece at weld locations includes a weld controller having control logic and stored data related to weld locations and workpiece dimensions. The weld controller is operable with a displacement sensor for monito... | 08/21/2001 |
| 6236011 | Method and apparatus for detecting an abnormal load on a servo gun shaft A method of and apparatus for detecting an abnormal load on a servo gun axis, capable of quickly detecting sticking of a welding tip to an object of welding before movement of a robot, without adversely affecting the object. A load applied to a servomotor... | 05/22/2001 |
| 6232572 | Spot welding control system and control method Paired electrodes, of which a wear amount is detected, press workpieces to be welded, conducting a current therethrough, and have an inter-electrode displacement amount varying during the current conduction, which displacement amount is detected continuou... | 05/15/2001 |
| 6225590 | Method for determining a condition of a resistance spotwelding system or a workpiece in the system This invention relates to methods to control the resistance spotwelding process using an electric servomotor actuator to move the welding electrodes to the work and apply force to them. Measurements of actuator position, servomotor drive voltage, servomot... | 05/01/2001 |
| 6169263 | Techniques for adaptive control of force in resistance welding applications The present invention is an improved butt welding technique that provides adaptive control of force that is applied to a part during a welding process to enable a maintained joint resistance across joint. The force may be adjusted to account for the chang... | 01/02/2001 |
| 6084195 | System and method for monitoring electrodes of a welder A system and method for monitoring compression pressure, temperature, and alignment of first and second electrodes of a robotic welder. An apparatus is provided with hingedly connected, spaced apart top and bottom plates. An aperture is disposed in the to... | 07/04/2000 |
| 6072145 | Spot welding apparatus and a method for controlling the apparatus A spot welding apparatus having a pressing axis to which a mechanical impedance control device is provided. The mechanical impedance control device includes a welding condition instruction device, a pressing axis control device, and a mechanical impedance... | 06/06/2000 |
| 6064028 | Resistance forge welding machine In resistance forge welding, the heat for the welding point is produced by simultaneous action of an electrical current and the force of the electrode as well as the electrical resistance of the materials to be welded in the region of the point of contact... | 05/16/2000 |
| 6020569 | Welding system with a real-time weld quality detection sensor A welding system for real-time weld quality detection during resistance welding of a workpiece has a sensor assembly including a winding and a core mounted generally coaxially within the cylinder of the welding gun. A piston and piston rod assembly are mo... | 02/01/2000 |
| 6008471 | Device for spot-welding of motor-vehicle bodies or subassemblies thereof There is described a welding station for motor-vehicle bodies or subassemblies thereof in which the body side panels are engaged during welding by locking devices arranged in the space between the body sides and carried by two locating gates which are rig... | 12/28/1999 |
| 5981898 | Method of controlling electrode pressure application force in an electric gun There is provided a method of controlling an electrode pressure application force in an electric gun provided with the electrode at the tip end of a movable arm which is driven by an electric motor comprising steps of setting a limit torque of the electri... | 11/09/1999 |
