Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7320178 | Standoff for cold plate and cold plate made with the standoff A standoff for a cold plate and a cold plate using the standoff are characterized by a coil pack consisting of a plurality of individual fluid conveying tubes formed into a coil pack having a desired configuration and held in place by a plurality of retaining wires.... | 01/22/2008 |
| 7115176 | Production process and production line for manufacturing articles from hardenable metal materials In a method of manufacturing articles (8) in hardenable metal materials, a shaped workpiece (5.1, 5.2) with closed cross-section is hardened. The hardened workpiece (5.1, 5.2) is separated into at least two parts, where each part constitutes one... | 10/03/2006 |
| 6454884 | Method of manufacturing a vehicle structural beam A vehicle structural beam, such as a door intrusion beam, which possesses an elongate tubular beam part which at opposite ends is provided with mounting flanges for securement to a vehicle frame. The elongate tubular beam part and the flanges provided at ... | 09/24/2002 |
| 6402862 | Method of hardening a bushing of a track chain A method of hardening a work piece having (i) an outer surface, (ii) an inner surface which defines a passageway extending through the work piece, and (iii) an end. The method includes the steps of (A) advancing the work piece through a first induction co... | 06/11/2002 |
| 6302974 | Method and apparatus for straightening turbine casings An austenitic rounding fixture is inserted into the horizontal joint of a turbine casing. The casing is then assembled and stress relief cycle is carried out, resulting in rerounding of the casing and relief of residual stresses. Since an austenitic mater... | 10/16/2001 |
| 6261392 | Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding The invention concerns a method for manufacturing quenched metal hollow casings of steel by blow-moulding whereby a preheated hollow casing billet, preferably above austenitising temperature, is introduced into a blow-moulding tool (1) and moulded by bein... | 07/17/2001 |
| 6179936 | Method for heat-treating a hollow cylindrical workpiece A method for heat-treating a hollow cylindrical workpiece includes quench-hardening including a first step and a second step. In the first step, during continuously conveying the workpiece in a horizontal direction without a space between adjacent workpie... | 01/30/2001 |
| 6149376 | Pipe moving method, apparatus and system A system, apparatus and method are disclosed for moving an elongate object such as a pipe between lowered and raised positions, preferably while rotating the object to maintain its shape. The system and method use two apparatuses, an upender and a downend... | 11/21/2000 |
| 6048417 | Method and apparatus for heat treating a bushing Conventional methods for heat treating cylindrical components such as track bushings involve multiple steps. For example, many such methods consist of carburizing, cooling, induction-hardening, quenching, and tempering. The conventional methods have prove... | 04/11/2000 |
| 5958158 | Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high alloy or hypereutectoidal steel The invention relates to a process for producing hot-worked elongated products, such as bars or tubes, from high-alloy or hypereutectoid steel in which a feedstock is heated to a deformation temperature and undergoes at least one deformation step. Followi... | 09/28/1999 |
| 5626693 | Method and apparatus for quenching a tubular workpiece This invention provides a method and apparatus for quenching a tubular workpiece such as cylindrical tubes or different-shaped tubes, which are difficult to be exerted constraining force for preventing warping especially in case of thinner thickness. Warp... | 05/06/1997 |
| 5605587 | Apparatus for magnetic conditioning of liquids and methods of making same Martensitic steel components of apparatus for magnetic conditioning of liquids which are subjected to cathodic reaction and degradation are treated prior to use to form a barrier of iron-chromium oxide and a uniform level of hardness throughout by heating... | 02/25/1997 |
| 5188680 | Method of making tooth point A method of making a tooth point and product wherein a tubular blank of alloy steel is heated, shaped at one end to provide a box section and shaped at the other end to provide a blade made up of two layers of steel forged together.... | 02/23/1993 |
| 4604149 | Process for hardening elongate metal elements A process for hardening elongate metal elements having a circular section, according to which the said elements are made to advance through a heating station and a hardening station by a conveyer device formed by a succession of advancement and support de... | 08/05/1986 |
| 4490187 | Method for heat treating steel A process is provided for heat treating steel in which each segment of a piece of steel is quenched in a quenching zone by directing the flow of a sufficient amount of a cooling medium against a surface of each segment to lower the temperature of the segm... | 12/25/1984 |
| 4448615 | Method of spot annealing tubing In the manufacture of tubing, and particularly finned tubing, for use by the heat transfer industry in the manufacture of heat exchangers, annealed ends and lands are desirable in certain applications to facilitate the assembly of the tubes to headers and... | 05/15/1984 |
| 4417928 | Inside-outside tube quenching method An apparatus and method is provided simultaneously to quench a tubular on the inside and outside surfaces during horizontal axial movement of the heated tubular into the apparatus. The apparatus comprises a generally cylindrical frame carrying two externa... | 11/29/1983 |
| 4401478 | Process for the handling and heat treatment of cast iron or steel pipes and tubes Concave rails 17, upon which a pipe which is to be treated by at least partial immersion can be placed, are fixed in the bottom of a furnace 1 which contains a treatment bath M. In order to guarantee that the pipe is immersed over the whole of its cross s... | 08/30/1983 |
| 4252578 | Process for thermal treatment of tubes Elongated steel tubes are grouped together and bound into bundles with bing sufficiently tight that there is no clearance or play between the tubes during heat treatment. Such binding provides a rigid mechanical assembly which prevents any lateral deform... | 02/24/1981 |
| 4188243 | Method and apparatus for heat-treating metallic material In the heat treatment (quenching treatment, tempering treatment, etc.) of long metallic material, such as, large diameter steel pipe or the like, in order to stabilize the speed of travel of the material through a heat treating zone, i.e., a zone includin... | 02/12/1980 |
| 4177088 | Process and installation for heat treating spheroidal or lamellar graphite cast iron pipes A process for effecting an annealing treatment of a spheroidal or lamellar graphite cast iron pipe. While the pipe is driven in rotation about the axis of the pipe, it is suspended substantially horizontally as it issues from the centrifugal casting machi... | 12/04/1979 |
| 4123301 | Method for quench hardening steel casings Steel casings are heated to above the transformation temperature and then quench hardened to achieve a fully martensitic structure. Thick-walled casings are quenched with an internal-external quench system, the casing passing within an external spray of q... | 10/31/1978 |
| 4046603 | Process for the continuous hardening of tubes The process for the continuous hardening of tubes comprises helically advancing a plurality of tubes arranged end to end in a horizontal direction and externally heating said tubes. A further step includes simultaneously or successively heating internally... | 09/06/1977 |
| 4032369 | Method for quenching ferrous tubing to achieve full hardening without quench cracking A method for bringing a quenching medium into contact with both the inner and outer wall surfaces of metallic tubing, characterized in that a quenching liquid is fed into the interior of the tubing and pressurized, followed by quenching of the outer wall ... | 06/28/1977 |
| 3997375 | Steel hardening method An apparatus for hardening an elongated steel pipe by quenching the pipe with a cooling medium, particularly water, which apparatus comprises an elongated container dimensioned to receive a hot pipe to be hardened, means for supporting the hot pipe in a p... | 12/14/1976 |
| 3992231 | Temper-stressed oil well casing An improved tubular product and method of producing tubular products comprised of a low-alloy high-strength steel which are possessed of improved resistance to sulfide stress-cracking as a result of exposure to sour crude oils and natural gases containing... | 11/16/1976 |
| 3979231 | Method for producing large diameter steel pipes A method for producing a large diameter steel pipe having excellent shape, toughness and tensile strength by subjecting the pipe to descaling and to heat treatment which involves heating the steel pipe locally successively from one end to the other end of... | 09/07/1976 |
| 3932238 | Method and apparatus for quenching pipe A pipe is heated with its longitudinal axis positioned vertically and then lowered from a furnace. As the pipe emerges from the furnace, it engages an inner ring of rollers and an outer ring of rollers which press against the hot pipe to shape it into a r... | 01/13/1976 |
