Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 5284813 | First sheet for copysets The upper surface of an upper sheet for a carbon copy system made of pressure-sensitive self-copying paper has a layer, designed to be printed on, made of pigment, binder and water-repelling agent, to increase the opacity and control the bonding propertie... | 02/08/1994 |
| 5139371 | Clamp for circular cutting tool A clamp for circular cutting tools (2) has a bearing bore (6) at the clamp head (5) in order to support a cup-shaped insert (7). The receptacle (9) of the cup-shaped insert (7) is elastically deformable and has a recess configured as a truncated hollow co... | 08/18/1992 |
| 5097955 | Transparent wrapping for bulk goods In a batch package 20 which includes a stack 6 of individual packages 16, the external film 17 as well as the multilayer film 2 of the individual film 16 include several layers which are bonded to each other. The core layer 3 is made of a polypropylene po... | 03/24/1992 |
| 5092082 | Apparatus and method for laminated grinding disks employing vibration damping materials Laminated grinding disks are built up in layers with the interposition of at least one layer of vibration-damping materials as sound insulation, the layer of vibration-damping materials being placed in the mold in the form of fine, free-flowing powder and... | 03/03/1992 |
| 5033916 | High-speed milling or drilling heads High speed milling or drilling tool of the type including a rotatable head which carries several circumferentially arranged cutting insert holders for reversible cutting inserts retained by dogs. Each insert has a pair of parallel top surfaces bounded by ... | 07/23/1991 |
| 5032215 | Method of etching ceramic frictional or sealing elements Combinations of frictional and sealing elements made from hard substances, such as sintered aluminum oxide, are ground and lapped at their surfaces of engagement. At least one surface has at least some micro-blurred areas. The micro-blurring is produced b... | 07/16/1991 |
| 5024977 | Combination of two sliding or sealing elements and a method for producing the same A diphasic ceramic compact, sintered without pressure, is prepared for use in a combination of two sliding or sealing elements with improved control of the bearing surface portion of the functional surface; the compact contains 44 to 89.5 wt.-% of ... | 06/18/1991 |
| 5006020 | Cutter insert for machining Cutter inserts are provided with a circumferential primary bevel whose width is between 0.05 to 0.2 mm and which has an angle of inclination downward from the top surface of between 20 and 35 degrees. The primary bevel is adjoined by a secondary bevel whi... | 04/09/1991 |
| 4975397 | Sintered molding, a method for producing it and its use The present invention is in a sintered molding of partially stabilized zirconium oxide having a microstructure of 40 to 70 volume percent cubic phase, 30 to 70 volume percent tetragonal phase, and up to 10 volume percent monoclinic phase wherein the tetra... | 12/04/1990 |
| 4933568 | Device for testing web-like planar structures moving at high speed Web-like planar structures 10 are tested by means of a light source 11 which directs a light beam 4 onto a rotating mirror wheel 5. The light beam is projected onto the web 10 to be tested via a stationary folding mirror 1 which is centered above the web ... | 06/12/1990 |
| 4895815 | Sintered form body Disclosed is a starting mixture for the preparation of a sintered body on a basis of aluminum titanate consists of more than 46 wt.-% TiO2, up to 49.5 wt.-% Al2 O3, 3 to 5 wt.-% quartz, and less than 0.2 wt.-% impurities, ... | 01/23/1990 |
| 4879000 | Process for determining dimension errors A method of testing security papers with respect to the positions of a safety thread and water marks to detect errors in the paper is performed by a linewise scanning of a finished paper web. The web has at least two point like measuring marks inserted in... | 11/07/1989 |
| 4840154 | Tubular ceramic body for gas passages in cylinder head of internal combustion engine A tubular ceramic body for gas passages in a cylinder head of an internal combustion engine comprises a tubular piece having an opening, two separate tubular portions each having an end side and provided with an opening at the end side, the tubular portio... | 06/20/1989 |
| 4813699 | Ski A ski having good glidability, and low wear in its glide zones, and in which the tread areas in the glide zones are so configured that ordinary flexural stress will not ensue in cracking or other damage to the thread. The ski has a glide surface comprisin... | 03/21/1989 |
| 4789650 | Cutting tool insert Disclosed is a cutting tool insert of sintered ceramic intended for machining ferrous materials. The insert contains 7 to 29% by volume of a hard substance, 1 to 15% by volume of a metal oxide compound, and at least 70% by volume of aluminum oxide, and a ... | 12/06/1988 |
| 4789433 | Skimming blade with wave shaped troughs for a papermaking machine Skimming blades in papermaking machines have a dewatering surface 4 adjoining the supporting surface 3 supporting the wire 1. To sustain the desired microturbulence of the fiber suspension 2 on the wire 1, the dewatering surface 4 is provided with troughs... | 12/06/1988 |
| 4728582 | Ceramic sliding element with aluminum oxide and silicon nitride members In a sliding element having first and second members in friction and/or sealing contact, the first member s made by sintering a ceramic mixture based on silicon nitride, the content of the silicon nitride phase and/or of the silicon nitride mixed crystal ... | 03/01/1988 |
| 4722784 | Method and apparatus for the flotation of dispersions In deinking, the flotation of fiber suspensions is performed in a cylindrical tank 2 to which the fiber suspension is fed through a coupling means 36 as primary stream. The fiber suspension is already aerated and is withdrawn through a suction connection ... | 02/02/1988 |
| 4721562 | Aerating apparatus The aeration of dispersions, especially the aeration of fiber suspensions in a flotation apparatus 1, is performed with a ring injector 2 to which air is delivered through air feed ducts 11 in the mixing section 4. The annular gap forming in the ring inje... | 01/26/1988 |
| 4721651 | Microcapsules having capsule walls formed of aliphatic diisocyanate and diamine In microcapsules of the type used for pressure-sensitive, carbonless copy papers, having walls formed from aliphatic diisocyanate and diamine and containing a solvent mixture with a dye precursor dissolved therein, the solvent mixture containing a compone... | 01/26/1988 |
| 4716869 | Valve guide for an internal combustion engine A tubularly formed valve guide (1) with a bore for a metal valve shank (2) for use in an internal combustion engine comprising a sintered body of a partially stabilized zirconium oxide having a porosity of less than 3%. Even under extreme stress, e.g., in... | 01/05/1988 |
| 4688356 | Hand-operated grinding or polishing tool A manual grinding or polishing tool consists of an endless grinding or polishing belt, which is tightened about a substantially flat bar-like profile having at least one limb. The limb or limbs are disposed resiliently in relation to the profile, so that ... | 08/25/1987 |
| 4668191 | Jaw implant for receiving a replacement-tooth holder A jaw implant having a bore to accommodate a replacement tooth holder, which has a screw head and a lower portion provided with a screw thread. The screw head is configured and proportioned such that the portion provided for embedment into the cortical bo... | 05/26/1987 |
| 4643144 | Operating element for operating the valves of an internal combustion engine An operating element for the operation of the valves of an internal combustion engine consists of metal and has on its working surface engaged with the cam of a camshaft an insert (2) of ceramic material which is fastened on the operating element (1) with... | 02/17/1987 |
| 4634281 | Apparatus for the inspection of continuous sheets of material The inspection for surface deformation of flat glass is carried out by the flying-spot method wherein the beam of light is thrown by a rotating mirror 13 onto a folding mirror 6 which reflects the light onto the continuous sheet of glass 2 to be inspected... | 01/06/1987 |
| 4622267 | Microcapsules having capsule walls formed of aliphatic diisocyanate and diamine In microcapsules of the type used for pressure-sensitive, carbonless copy papers, having walls formed from aliphatic diisocyanate and diamine and containing a solvent mixture with a dye precursor dissolved therein, the solvent mixture containing a compone... | 11/11/1986 |
| 4618049 | Friction partners for lubricated friction couplings In lubricated friction couplings, at least two surfaces are connected by frictional engagement. These surfaces in engagement with one another are termed friction partners. One friction partner consists of a ceramic material and the other friction partner ... | 10/21/1986 |
| 4616963 | Cutting tip for cutting-tools Ceramic cutting tips for cutting-tools are provided with an encircling bevel and a shaping stage for the chip. The bevel (3) runs at an angle () of from 15 to 35 degrees and adjacent thereto there is a channel (5) which has a cross-section in the f... | 10/14/1986 |
| 4613308 | Jaw implant having an aperture to receive a replacement-tooth holder A jaw implant shaped and proportioned to provide firm seating and sufficiently great resistance to tractive forces. The implant has a bore for receiving a tooth holder and has at its apical end a spherical segment. The implant has truncoconical portions a... | 09/23/1986 |
| 4601930 | Carrier film backed with composite film A mutilayer film, as shown in FIG. 3, consists of a support film (6) and a blown, coextruded composite film (1), which is joined to the support films (6) by means of an adhesive (5) and is interlocked into a tube (1'). The layers of the composite film (1)... | 07/22/1986 |
| 4595663 | Sintered ceramic shaped article wholly or predominantly of eutectic microstructure constituents Ceramic shaped articles are disclosed which are formed of dense, non-metallic, mechanically resistant materials and contain eutectic constituents consisting of zirconium oxide, hafnium oxide and at least one other high-melting oxide and mixtures thereof. ... | 06/17/1986 |
| 4580438 | Method and apparatus for testing the duplicating characteristics of pressure-sensitive duplicating sheets In a method and apparatus for testing the duplicating characteristics of pressure-sensitive duplicating sheets and duplicating sets produced therefrom, a stroke grid is drawn on the duplicating sheets to be tested by means of a marking stylus which is act... | 04/08/1986 |
| 4549930 | Uncoated paper web for printing and method for making and using same An uncoated paper web suitable for rotogravure printing with water-immiscible solvent-containing inks, the fibers of the web being partially or totally enveloped with a clay hydrogel, the clay being hydratable, colloidal and film-forming. The web provides... | 10/29/1985 |
| 4547427 | Multilayer, sterilizable deep-drawing film A multilayer film and containers made thereof, the film being composed of a four layer composite film produced by flattening upon itself, a two layer coextruded blown tube, the outer layer of said tube being linear polyethylene or high density polyethylen... | 10/15/1985 |
| 4538306 | Implantable elbow joint An implantable elbow joint for connecting the upper arm and the forearm includes an axially extending sleeve of C-shape transverse cross-section, a cylindrical member engageable within the sleeve, and a connecting member implantable in the ulna and engage... | 09/03/1985 |
| 4535683 | Piston with a member made of partially stabilized zirconium oxide A piston arrangement with a metal shaft, a piston head that is attached to it with a shrink ring, and a member made of partially stabilized zirconium ozide. The top which demarcates the combustion chamber, of the piston head, consists entirely of the memb... | 08/20/1985 |
| 4526824 | Thermal insulation lining of ceramic material for a hot gas duct enveloped in metal A thermal insulation lining (1) in the exhaust duct (4) of a cylinder head (5) consists of a sintered compact (2) of ceramic material having an envelope containing or consisting of inorganic fibers.... | 07/02/1985 |
| 4524732 | Cylinder head of a piston engine In a cylinder head (1) of a piston engine, a thermal insulation component having openings for the accommodation of valve seats, spark plugs, and injection nozzles consists of a circular aluminum titanate plate (2) which is shrink-fitted into a planar circ... | 06/25/1985 |
| 4522415 | Piston ring for an internal combustion engine A piston ring (1) made of ceramic materials for an internal combustion engine comprising a body made by sintering of partially stabilized zirconium oxide (PSZ) which has a porosity | 06/11/1985 |
| 4522171 | Pre-combustion or turbulence chamber for internal combustion engines In a pre-combustion or turbulence chamber for an internal combustion engine, an inner molded body, defining an inner chamber, is formed of a material having a thermal conductivity of at least 12 W/(m.multidot.K). An outer body is secured to the outer surf... | 06/11/1985 |
