Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7745757 | Welding apparatus for carrying a welding gun along a surface to be welded A welding apparatus is provided for carrying a welding gun across or past a surface for making welds. The apparatus may include one or more rolling components, such as wheels for example, that do not substantially plastically deform as a result of contacting or bein... | 06/29/2010 |
| 7022942 | Tandem electrode welder and method of welding with two electrodes An electric arc welding apparatus comprising at least a first consumable electrode and a second consumable electrode movable in unison along a welding path between the edges of two adjacent, mutually grounded plates, a first power supply for passing a first welding ... | 04/04/2006 |
| 6998575 | Welding gun An in-line welding gun includes a mounting block, a wire feed mechanism and a torch barrel. A motor is positioned behind the mounting block along a longitudinal axis of the gun. The torch barrel curves away from the longitudinal axis. The motor and the torch barrel ... | 02/14/2006 |
| 6953909 | External pipe welding apparatus The invention relates to the field of automated welding, and more particularly, to an automated, gas metal arc welding apparatus for externally welding abutting sections of pipe. The apparatus has a motorized main carriage for travelling circumferentially about one ... | 10/11/2005 |
| 6917013 | Copying welding equipment In the tracking welder, left and right side wheels are supported rotatably by a pair of bearing units that are pivotally attached on a carriage, and this carriage is provided with a driving source for running the carriage, a transmission system for transmitting a ro... | 07/12/2005 |
| 6622906 | Welding method and welding device The welding apparatus has a positioner (1) provided with workpiece supporting means (11) which is rotatable about a first central axis (Ca) and is pivotable up and down about a second central axis (Cb) crossing the first central axis (Ca). A welding robot... | 09/23/2003 |
| 5543600 | Lattice welding robot and method for the lattice welding A lattice welding robot detects an X-axis slide position of Xp by an arc sensor of a welding torch, compares the value of Xp with a reference value of X0 by a comparator, calculates a differential value of the value of X | 08/06/1996 |
| 5536913 | Submerged-arc welding apparatus Apparatus for making a circular weld using the submerged-arc welding process, the apparatus comprising a generally horizontal, extendible and contractible boom having inner and outer ends, the boom being supported adjacent the inner end for rotation about... | 07/16/1996 |
| 5391857 | Welding tip roller guide A welding tip roller guide for supporting a welding tip at a predetermined distance from a corner or other area of a work piece. The guide includes a pair of wheels which allow the device to travel along a corner formed by two adjoining materials. The gui... | 02/21/1995 |
| 5350895 | Power propelled welding device The present invention comprises weld units A, A' which move on a bottom plate 101 along standing plates 102, moving tables B which hold cables 6 extending from said welding units A, A', detectors C, C' which detect moving directions of the welding units A... | 09/27/1994 |
| 5332143 | Self-propelling apparatus for automatic horizontal position welding of big size square steel column A self-propelling apparatus, suitable for use in automatic horizontal position welding of a large-sized square steel column such as architectural steel column, has a welder unit, travelling rollers and a seam tracking device. The travelling rollers are ma... | 07/26/1994 |
| 4843213 | Welding and/or cutting machine A welding and/or cutting machine 1 is provided for use on a workpiece 2 formed by a pair of metal sheets 3 in face to face contact. The machine comprises a movable carriage 4 mounted on a pair of drive rollers 5 operable to grip the sheets 3 of the workpi... | 06/27/1989 |
| 4631386 | Welding head apparatus Welding head apparatus, wherein a welding head assembly is mounted on a support plate which can be adjustably moved both vertically and horizontally, and of which the welding tip may be angularly adjusted and may be oscillated transversely of the weld joi... | 12/23/1986 |
| 4617447 | Drive assembly for drawing a movable welding carriage and method of welding An automatic welding apparatus includes a drive assembly for pulling a movable carriage along a weld joint by drawing a weld cable through the drive assembly. The weld cable is attached to a welding nozzle adjustably mounted on the carriage. A method of w... | 10/14/1986 |
| 4593445 | Apparatus and process for refurbishing valves An apparatus and a method for remotely refurbishing valve seats are disclosed herein. The apparatus generally comprises a welding assembly having a welding head for depositing a bead of metal around the valve seat, and a positioning assembly detachably mo... | 06/10/1986 |
| 4457382 | Device for supporting and guiding a working tool Portable working device for supporting and guiding a working tool, particularly a welding or burning torch. The device has a bogie with a single tube-like axle, the supporting traveling wheels of which are magnets with pole shoes with independent drives. ... | 07/03/1984 |
| 4371107 | Welding machine A welding machine is disclosed which includes a wire supply device, a wire coil, a flexible wire guide connected between the wire supply device and a torch nozzle and a welding assembly alterable in more than one welding position and mounted on a wheeled ... | 02/01/1983 |
| 4331278 | Pipe welding apparatus Apparatus comprising a frame disposable in spaced relationship about a pipe uses a ring mounted thereon for carrying a welding head around the pipe. A welding torch is provided on the head for movement into the welding area to form a weld about the pipe d... | 05/25/1982 |
| 4263497 | Welding guide A welding guide to be attached to a welding head to aid in welding a joint at an outside corner or edge. The guide includes a collar attached to the welding head and a pair of legs are connected to opposite sides of the collar and straddle the joint to be... | 04/21/1981 |
| 4260869 | Traveling welding carriage Traveling carriage apparatus, adapted to travel along a track disposed about or upon an object, to carry a device such as a welding torch to do work upon the object or upon other apparatus supported thereby. The apparatus is hinged end-to-end, preferably ... | 04/07/1981 |
| 4248372 | Apparatus for automatically welding corrugated membranes An apparatus for automatically welding corrugated membranes of a type in which a welding torch is mounted on a head attached to the welding apparatus proper by way of an arc gear segment and the arc gear segment is driven through a pinion gear, whereby th... | 02/03/1981 |
| 4177913 | Automatic pipe welding apparatus A compact automatic pipe welding apparatus having a base member separable into three sections and having a welding unit, detecting unit and a driving unit which are distributed on the circumference of the base member at an equal distance from one another ... | 12/11/1979 |
| 4133469 | Furnishing weld material Apparatus for furnishing weld material to a surface for welding thereto along a predetermined welding path, comprising an elongate guide (such as a tube) having a contacting surface (typically internal) substantially uniform in cross section and defining ... | 01/09/1979 |
| 4131783 | Welding apparatus Welding apparatus in which a self-propelled wheeled carriage releasably supports a welding gun or torch of the hand-held type having a welding tip and control for controlling feed of a welding wire to the welding tip, wherein the carriage is guided along ... | 12/26/1978 |
| 4101755 | Automatic arc welder The present disclosure relates to an automatic arc welder for welding two metal plates together along a line of joint formed between the two metal plates. The welder has a welding unit including a welding torch mounted on a carrier member for performing t... | 07/18/1978 |
| 4051342 | Continuous welder A continuous welder automatically moves from one joint to the next along a pipeline of pipes to be welded together, and automatically adapts to pipes of different diameter. At each joint, a wire-fed welding nozzle revolves around the pipes to weld the pip... | 09/27/1977 |
| 4008384 | Welding apparatus A system for supporting, guiding and controlling a welding head to maintain the welding head normal to the instantaneous surface contour of overlapping, convoluted metal sheets to weld the same together. The system is capable of being supported on the con... | 02/15/1977 |
| 3946933 | Plant for applying and welding reinforcing elements onto a metal plate A plant for applying and welding stiffeners onto a plate is disclosed. The plant includes a welding station, a buffer station and a carriage movable between the buffer station and the welding station, the carriage being suspended in a cantilever beam exte... | 03/30/1976 |
| 3937918 | Beam carriage type automatic arc welding apparatus with welding head tracking mechanism Automatic arc welding apparatus in accordance with the present invention comprises a welding carriage movably supported by a horizontal guide beam, which carriage supports a plurality of arc welding heads for forming welds on a generally horizontally disp... | 02/10/1976 |
| 3935420 | Means for guiding the welding unit of an automatic welding apparatus along the joint line between workpieces to be welded together An improved means for guiding the welding unit of an automatic welding apparatus along the joint line between workpieces to be welded together, said workpieces being previously joined together by welding bridges mutually spaced along the joint line, the a... | 01/27/1976 |
