Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
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 |
| 7232053 | Seam-welded air hardenable steel constructions The present invention provides seam-welded, air hardenable steel tubes, methods of manufacturing seam-welded air hardenable steel tubes, tube mills for practicing such methods and applications for using seam-welded, air hardenable steel tubing of the present inventi... | 06/19/2007 |
| 6955287 | Method of bonding metal plates, apparatus therefor and hot strip mill An upper shearing blade equipped with a protrusion of a triangle-columnar shape and a lower shearing blade equipped with a protrusion of the same shape are applied onto the overlapped portion of metal plates to be bonded, and then pressed into the metal plates in an... | 10/18/2005 |
| 6759622 | Interconnection between two-surface of multi-surface thin strip-shaped layers that lie one on top of the other, in particular, between two strips undergoing a continuous processing The invention relates to an interconnection between two overlapping end sections of metallic strips (10, 20) in which a quick and economical interconnetion should be produced. To this end, the invention provides that several annular welds (30) are prov... | 07/06/2004 |
| 6213381 | Method of bonding metal plates, apparatus therefor and hot strip mill A bonding apparatus for bonding metal plates, includes an overlapping mechanism for overlapping end portions of the metal plates, at least two supports for supporting the overlapped portion of the metal plates at one side of the metal plates, and a sheari... | 04/10/2001 |
| 6152351 | Process for manufacturing a wheel for a motor vehicle A process for manufacturing a wheel for a motor vehicle, in which a wheel spider and a rim ring are connected with one another by means of friction welding. At least one of these wheel parts consists of a magnesium alloy. The controlling of the speed of t... | 11/28/2000 |
| 6006789 | Method of preparing a steel pipe, an apparatus thereof and a steel pipe A steel mother pipe obtained by a solid phase butt-welding pipe-making process or a welding pipe-making process is reduced by heating the pipe prior to the reduction at a temperature exceeding 100° C. and lower than 800° C. wherein the temperature of th... | 12/28/1999 |
| 5862592 | Cage for roller bearings and method for manufacturing the same A cage for a roller bearing which is free of fretting and abnormal noise, which can be manufactured at low cost, and which can be easily mounted in the bearing. The cage is formed by bending a metal sheet having pockets into a ring shape, temporarily join... | 01/26/1999 |
| 5335841 | Method of manufacturing welded pipe with excellent corrosion-resistant inner surface Disclosed are a welded pipe with an excellent corrosion resistance, having two plate layers on the inner surface thereof, and a method of manufacturing it. The inner surface is coated with the plate layers even on the bead part and other steel foundation-... | 08/09/1994 |
| 5148966 | Method for producing outer skin for electric deposition foil producing drum A method is disclosed for producing an electric deposition foil producing drum for producing an electrically deposited metallic foil having a high quality. An opening tip end portion (14) opened toward the inside is formed in an inner surface portion of a... | 09/22/1992 |
| 4978053 | Method for making a frame-like shell A band-like plate is bent until both ends of the plate meet with each other, and then both ends of the plate are joined by welding so as to make a loop. A pair of first and second inner dies are placed inside the loop while a pair of first and second oute... | 12/18/1990 |
| 4634038 | Apparatus for the manufacture of ring members An equipment for the manufacture of ring members for vehicle wheels starting from metal plate strip cut lengths, which mainly comprises a cylinder bending station formed by a calender, a welding station formed by two discontinuous type welding machines wi... | 01/06/1987 |
