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 |
| 7140409 | Portable pipe cutting apparatus A complete and portable tool for retaining round, square or other non-flat stock, especially pipes, in a secure fashion while cutting and related operations are performed thereon. The portable pipe cutting tool includes an adjustable work support, V-shaped trough, c... | 11/28/2006 |
| 6051803 | Pipe cutting apparatus Plasma arc cutter apparatus for cutting large diameter pipe from within the pipe, a frame with adjustable legs, a locking device to secure the apparatus within the pipe, apparatus to adjust the spacing between the plasma arc and the inside wall of the pip... | 04/18/2000 |
| 5886314 | Pipe cutting apparatus A profiled end cut is applied to a length of stock pipe in an apparatus wherein the pipe is rotated by a drive head with a plasma cutter moved axially on a trolley in synchrony with rotation under control of a guidance system. The guidance system follows ... | 03/23/1999 |
| 5472175 | Block assembly for use in metal scarfing apparatus A block assembly for a thermochemical scarfing apparatus which allows a greater diagonal standoff distance from the metal workpiece during preheating. The block assembly comprises a base member and an extension releasably joined to the base member, and th... | 12/05/1995 |
| 4483721 | Method and apparatus for cutting patterns through pipe A method and apparatus for cutting a series of patterns spaced along the length of a tubular member (e.g. drill collar). A cutting torch is positioned and manuevered within the bore of the pipe so that all cutting is done in an inside-to-outside direction... | 11/20/1984 |
| 4480821 | Apparatus for performing a work function on a tubular workpiece An apparatus for performing a work function on a tubular workpiece includes a support frame movable along an X-axis, a bracket on the frame movable toward and away from the workpiece along a Z-axis, a support arm mounted on the bracket for movement about ... | 11/06/1984 |
| 4441696 | Helical coil spring end forming Helical coil springs for use in such active load supporting functions as railway car trucks, require end forming such that tapered ends are provided which fit flat against the surfaces to be resiliently supported. A process and an apparatus for forming su... | 04/10/1984 |
| 4441695 | Pipe cutting machine A pipe cutting machine capable of cutting saddles and mitres and combinations of saddles and mitres is disclosed. The machine uses the rotation of the pipe itself to power a cam drive assembly. The cam drive assembly powers a saddle cam and a mitre cam. T... | 04/10/1984 |
| 4412401 | Apparatus for processing tubes An apparatus for processing especially heavy metal tubes comprises a frame supported by wheels, the frame having a plurality of supports consisting of rollers which may together support the tube to be processed. With a support which is quickly movable alo... | 11/01/1983 |
| 4398078 | Finishing of annular articles A method of finishing an annular component such as a brush seal to a substantially uniform wall thickness, and apparatus therefor. Two rollers are mounted with their axes parallel, one roller being spatially fixed and the other biassed by a spring towards... | 08/09/1983 |
| 4384901 | Method and apparatus for cutting and beveling pipe A method and apparatus for cutting a pipe. A pipe is positioned on a plurality of support rollers for rotating the pipe. A cutting torch, mounted on a telescoping arm, is movable along the longitudinal axis of the pipe. The angle that the cutting torch ma... | 05/24/1983 |
| 4349182 | Tape-controlled metal cutting apparatus Apparatus for cutting a metal workpiece including pipe in any desired shape and in a cutting cycle governed by a numerical controller having a plurality of separate output control signal channels. The apparatus is highly versatile and automatically operab... | 09/14/1982 |
| 4344605 | Apparatus for cutting the end off a coiled strip An apparatus for cutting the end off a metal strip wound as a coil having a diameter lying between a predetermined maximum diameter and a predetermined minimum diameter has a fixed support, a substantially horizontal support cradle for the coil on the sup... | 08/17/1982 |
| 4323223 | Apparatus for forming a closed cut surface in a wall of a workpiece The cutting apparatus is used to cut a hole in a workpiece such as a pipe of relatively large thickness. The burner is mounted on a carriage which is reciprocated along a radially directed carrier which rotates about an axis perpendicular to the carrier. ... | 04/06/1982 |
| 4288680 | Apparatus for cutting mould notches for strip steel cutting tools Apparatus for cutting notches in the outer surface of a cylindrical drum includes a machine frame, and a laser cutting set which provides a laser beam to cut the notches in the drum. The notches are provided to allow sheet steel strips to be later fitted ... | 09/08/1981 |
| 4288681 | Apparatus for fabricating isolated phase bus The apparatus includes a pair of rotatable headstocks which are spaced apart. A side beam extends along at least a portion of the distance between the headstocks with the side beam being substantially parallel to a line connecting the centers of rotation ... | 09/08/1981 |
| 4274621 | Tubes and structures formed thereby A method and apparatus are disclosed for shaping an end of a tube in a configuration such that it may be joined to the surface of another body as by welding. The method disclosed involves profiling the end of a tube to conform to the surface of a body to ... | 06/23/1981 |
| 4265430 | Device for marking and/or cutting pipes The present invention is directed to a device for marking and/or cutting a pipe. The device includes a fixture for clamping one of the pipe fittings in a desired position relative to an axis passing through the pivot center of a projecting boom to which a... | 05/05/1981 |
| 4264058 | Truck bolster ring renewal system A mechanized truck bolster ring renewal system is described for cutting the worn bolster ring from a truck bolster and for welding a new bolster ring onto the truck bolster. A bolster clamp mechanism is pivotally mounted on a frame and includes means for ... | 04/28/1981 |
| 4248371 | Welding machine A welding machine can form continuous welds of three hundred and sixty degrees on workpieces which are rotated through angles of less than three hundred and sixty degrees by moving the welding torch of that welding machine in one direction circumferential... | 02/03/1981 |
| 4242981 | Apparatus for rebuilding cylindrical objects Apparatus and method for rebuilding the internal surface of a cylindrical object, including a mandrel for supporting the object for rotation about its longitudinal axis, and a wire-fed welding torch positionable adjacent to the interior surface of the obj... | 01/06/1981 |
| 4222795 | Pipe cutting apparatus and method Apparatus for cutting and beveling pipe comprising a horizontally positioned and movable member, roller means to support and axially rotate a horizontal pipe parallel to the member, a photocell scanner mounted on the member and positioned to follow a prof... | 09/16/1980 |
| 4219370 | Apparatus and method for cutting and beveling pipe ends Apparatus for cutting a pipe end for intersection with another surface comprising a horizontally positioned and movable boom, roller means to support and axially rotate a horizontal pipe parallel to the boom, a photocell scanner mounted on the boom and po... | 08/26/1980 |
| 4150815 | Pipe fitting reconditioning apparatus Pipe fittings are prepared for re-use by accurately re-beveling the pipe edges which are subsequently to be re-welded. A rotating table is provided with concentric rings which build up in height toward the center in order to accommodate the open end of va... | 04/24/1979 |
| 4148467 | Pipe cutting and welding apparatus A pipe having a guide pattern or template mounted on and surrounding it is rotatable about its longitudinal axis while a pattern follower actuates a cutting or welding tool to move longitudinally as the pipe rotates. The follower and tool are carried by a... | 04/10/1979 |
| 4135701 | Automatic flame cutter for mitres with constant angle bevels on a pipe A boom carrying a cutting torch is synchronized with a turntable and the torch is mounted to follow an arcuate slide and is synchronized with the turntable to make a mitred cut on the pipe and form a constant angle bevel on the mitered cut.... | 01/23/1979 |
| 4127256 | Flame-cutting apparatus A flame-cutting apparatus comprising a burner guided for movement around a rotating pipe to travel along a curved path along the surface of the pipe corresponding to the line of intersection of two pipes. The burner is pivotably supported on a guide for m... | 11/28/1978 |
| 4081651 | Apparatus method for welding tank sections Apparatus is disclosed for supporting and rotating a pair of hollow tank sections of generally circular cross section, including scalene frusto-conical tank sections, during welding of the sections in end-to-end abutting relation to form an elongted tank.... | 03/28/1978 |
| 4052039 | Automatic cutting torch assembly The invention relates to an automatic cutting torch assembly for making cuts of any predetermined shape in a metallic pipe. Rollers are provided for the pipe to be processed which permit back and forth movement of the pipe. A photoelectric tracer unit and... | 10/04/1977 |
| 4040557 | Elliptical seam welding apparatus An apparatus for welding the circumference of an elliptical member is characterized by welding torch movably mounted on a support framework. A turntable rotates the elliptical member at a variable speed so that the travel under the welding torch is consta... | 08/09/1977 |
| 4014495 | Automatic welding apparatus An automatic welding apparatus comprising a workpiece fixture carried by a moving member for rotation about a horizontal axis extending in a back and forth direction, said moving member being provided on a carriage for sliding movement in a lateral direct... | 03/29/1977 |
