...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5423635 | Anchoring element An anchoring element (6) for anchoring a ground anchor (1) to a structural part (2) to be supported, for the purpose of enabling the intactness of a closed protective tube (4), which encloses strands (3) of the ground anchor (1) in the borehole and protec... | 06/13/1995 |
| 5410118 | Method and device for controlling a spark erosion machine At least two parameters (δ, Inst) of which it is known that their variation influences the state of the spark erosion process (F, W) are fed to a logic device (5) in which a set of rules is stored. The logic device processes the parameters fed with the a... | 04/25/1995 |
| 5405429 | Method for treatment and conversion of refuse incineration residues into environmentally acceptable and reusable material, especially for construction purposes In the processing of mainly inorganic refuse incineration products polluted by heavy metals and/or heavy metal compounds, and/or analogues of such products, to give environmentally acceptable products by melt-thermal treatment, an iron-containing melt is ... | 04/11/1995 |
| 5387407 | Process for the recovery of ammonia from flue gases For reducing nitrogen oxides in the flue gases of a firing plant, fresh ammonia water, i.e. an aqueous solution of ammonia (NH3), is introduced into the flue gas flow. For achieving a high degree of separation of the nitrogen oxide a superstoic... | 02/07/1995 |
| 5378018 | Process for inflating a gas cushion and safety system of the air bag type The invention related to a process for quickly inflating a gas cushion in a safety system of the air bag type in which at least two pressurized filling gases are stored being shielded from each other. Instead of the filling gases, initially only the start... | 01/03/1995 |
| 5376781 | Method and a device for changing the optical characteristics of a display field on a carrier A carrier for display fields or value characters, such as a credit card, contains optically readable display fields which can be erased by the effects of heat or which can at least be changed permanently in optical terms, and a storage layer for storing e... | 12/27/1994 |
| 5370325 | Apparatus for the winding of a thread onto a reel A process and apparatus for the winding of a thread onto a reel. A thread is guided by a thread guide fastened to a cord. The cord is driven by a drive part, which, under the action of a transfer roller engaging in a slot, executes a harmonic oscillation. A transfe... | 12/06/1994 |
| 5355805 | Rail for overhead trolleys having bar in groove connection for connecting adjacent rail ends Two mutually adjoining profile pieces (1a) of equal cross-section are connected by means of a coupling piece (16) which overlaps both of them and is situated in a coupling groove (15). The convexly arched floor of the latter is formed by the underside of ... | 10/18/1994 |
| 5353823 | Device for cleaning the fastening shank of a tool or of a toolholder The device comprises a cleaning chamber (1) which is arranged on a base (10) and through the orifice (13) of which the shank part (3) of a tool (5) or of a toolholder (4) is introduced. The wall of the cleaning chamber (1) is matched to the shape of the s... | 10/11/1994 |
| 5346048 | Apparatus for collecting articles An apparatus for collecting articles is housed in a parallelepipedic casing, on the front panel of which is arranged a display part of a playing part. An article-return part with an article-receiving container is also provided in the apparatus. The front ... | 09/13/1994 |
| 5342696 | Blank for the production of a dental mould part A ceramic blank body (2) of a blank (1) is glued on the base (4) of a support (3) of aluminum, which support bears an anchoring part on the side facing away from the blank body (2). According to the invention, the anchoring part is designed as a conical p... | 08/30/1994 |
| 5340232 | Manhole cover The invention concerns a manhole cover with a frame (1) and a grating (3) or cover fitting flush with the frame (1). In order to secure the cover (3) in such a way that it can be easily removed and put back in place, a one-piece securing element (4a) is a... | 08/23/1994 |
| 5340045 | Method for the sequential provision of portions of a towel web In a towel dispenser, a selection can be made between a standard program, in which, to form a towel loop, first a portion of unused towel and subsequently a shorter portion of used towel is released, and a hygiene program, in which only unused towel is re... | 08/23/1994 |
| 5315914 | Method of reducing the muzzle noise of firearms and firearm of reduced muzzle noise A firearm with muzzle noise reducer is disclosed with one or more barrels in which the bullets reach their final velocity in front of the barrel and a muzzle noise reducer constructed such that it can divert propellant gas upon reaching the final bullet v... | 05/31/1994 |
| 5314327 | Mold clamp for an injection molding machine A mold clamp for an injection molding machine with a stationary mold clamping plate and a movable mold clamping plate displaceable on a sliding carriage, which mold clamping plates are arranged on a machine frame and support mold-halves of a mold for proc... | 05/24/1994 |
| 5313740 | Scanning device and use thereof A moulding is contacted by two end pieces of a rotatable first holding part and is scanned by a disk. For the suppression of relatively large elastic deformations of the moulding by the pressure exerted by the disk, the moulding is also contacted by a sec... | 05/24/1994 |
| 5309815 | Firearm, particularly handgun Locked automatic pistol in connection with which the recoil-produced delivery of momentum of the barrel (2) is buffered.... | 05/10/1994 |
| 5310097 | Two-part captive dispensing cap device for use with a container or the like A seal is provided comprising two parts and is made of synthetic material. An upper part has an internal thread, a continuous surface area and an axial external cylinder section. A valve tube is positioned above the cylinder section and is held in place b... | 05/10/1994 |
| 5310289 | Apparatus for sheeting deep trenches An apparatus for sheeting a deep trench, including pairs of vertical support rails arranged along the trench so that the support rails of each pair of support rails are opposite each other at an equal distance, the support rails having guide channels, a r... | 05/10/1994 |
| 5307817 | Biotelemetry method for the transmission of bioelectric potential defferences, and a device for the transmission of ECG signals To obtain optical one-way transmission of bioelectrical potential differences between electrodes placed on a patient and the evaluation apparatus, one of the electrodes placed on the patient is designated as the reference electrode. The potentials of all ... | 05/03/1994 |
| 5292547 | Method for environmentally benign paint spraying using a dispersion of oven cured lacquer enamel in water A method is provided for environmentally benign paint spraying with a dispersion of oven-curable lacquer in water in a paint spraying station having a cubicle with water-rinsed rear wall for collecting and washing out of overspray in cubicle waste water. ... | 03/08/1994 |
| 5284277 | Two-part captive dispensing cap device for use with a container or the like A seal is provided comprising two parts and is made of synthetic material. An upper part has an internal thread, a continuous surface area and an axial external cylinder section. A valve tube is positioned above the cylinder section and is held in place b... | 02/08/1994 |
| 5282970 | Method for environmentally benign paint spraying with an air-drying lacquer dissolved, emulgated or dispersed in water In the process of spraying in a cubicle having a water-rinsed rear wall the cubicle waste water is separated by ultrafiltration into permeate and lacquer-containing residue. The permeate is recycled. Fresh spraying composition is fed-in. The lacquer prefe... | 02/01/1994 |
| 5280153 | Method of and apparatus for pulse generator for electric discharge machining The pulse generator for electric discharge machining contains neither load resistors nor magnetic components. The pulse current is continuously detected by a current sensor 4 and this measured value fed to a control circuit 5. Via switch elements 10, 11 a... | 01/18/1994 |
| 5271162 | Process for the emission-free drying of a substance in a drying drum The process for low-emission drying of a substance in a drum-type drying installation is suitable in particular for sewage sludge, fish meal and sludges from starch factories, soap factories and paper mills, which substances are preferably to be converted... | 12/21/1993 |
| 5268747 | Apparatus for the simultaneous non-contacting testing of a plurality of points on a test material, as well as the use thereof The apparatus comprises at least one light source (3) and a plurality of test channels with in each case one optoelectronic converter (4a, 4b). In the light path between the light source and the converter is provided at least one light channel (5a, 5b) an... | 12/07/1993 |
| 5263631 | Contact-making system for semiconductor wire connections A contact-making system for wire connections on electronic components in semiconductor connection technology, which includes a contact-making device having a capillary tube arranged thereon for guiding a bonding wire, and at least one electrode, which is ... | 11/23/1993 |
| 5256207 | Process for cleaning a swimming pool The invention relates to a process and apparatus for cleaning a swimming pool, where the apparatus or device, moves back and forth in the swimming pool, and where the device has driving gears or belts that can be switched to drive reverse or forward durin... | 10/26/1993 |
| 5248602 | Process and installation for the utilization of organic substances A process and an installation for utilizing organic substances are proposed, in which the substances are correspondingly comminuted and processed by mixing and reaction stages to utilizable compost. The installation essentially comprises a heatable fermenter w... | 09/28/1993 |
| 5246578 | Filter press and cleaning means therefor In order that higher demands on the purity of the separated liquid can be satisfied, a cleaning plant (12) having wash chambers (13a,b) for the cleaning of the filter plates (8) is arranged in longitudinal direction alongside of a filter press (1). By mea... | 09/21/1993 |
| 5245723 | Self-propelled cleaning apparatus, particularly for swimming pools In a self-propelled cleaning apparatus, particularly for swimming pools, a cleaning apparatus drive (9) is integrated into a basic casing (1) and at least one cleaning brush (21) and a suction duct (29) are provided. By means of the said suction duct (29)... | 09/21/1993 |
| 5242555 | Method of machining workpieces by wire electroerosion and securing machined articles A method of machining workpieces, particularly for wire electroerosion machining in which a machining gap is formed between the machined piece and the workpiece, a machined piece is cut out of the workpiece, and the machined piece is secured against dropp... | 09/07/1993 |
| 5236140 | Process and apparatus for wrapping up articles, particularly bobbins provided with electrical winding, with tape In a process and apparatus for wrapping up articles, particularly for wrapping up of electrical windings applied to bobbins with a tape, a tape is drawn from a tape reel mounted on a reel holder. The apparatus includes a deflecting and measuring device fo... | 08/17/1993 |
| 5222676 | Process for the production of a yarn package A yarn build is applied to at a constant traverse length up to a limit diameter D. In order to achieve a uniform yarn draw-off tension, even with packages of large mass and correspondingly large diameter, the traverse length is thereafter reduced as the d... | 06/29/1993 |
| 5220146 | Method for the initial cutting of a workpiece by electrical discharge cutting A method for the initial cutting of a workpiece by electrical discharge cutting by a wire electrode, in which the values for the specific cutting parameters are reduced along an introduction path in the workpiece at least in part as compared with the valu... | 06/15/1993 |
| 5209548 | Chair, in particular office chair There is proposed a chair, particularly an office chair, of adjustable height and inclination which has a seat support (75), a backrest support (80), a standing column (10) with first gas spring (20) arranged therein, a support member (25) arranged in hor... | 05/11/1993 |
| 5204596 | Device having a multiphase load, a static converter and inductance coils A device having inductance coils which are each allocated to one phase and which are wound around a common magnetic core in the same direction and with the same number of windings. One of each of the inductance coils is connected to one of each of the pha... | 04/20/1993 |
| 5199630 | Method and apparatus for measuring the vibration amplitude on an energy transducer A method, and apparatus for performing the method, for the ultrasonic contacting wired connection of electrical circuits to metallic leadframe strips, which apparatus essentially includes a bonding head with the energy transducer located thereon for feedi... | 04/06/1993 |
| 5196841 | Vault door locking system featuring microprocessor-based locking means with redundancy control override A locking system for a security door comprises a lock mounted on an inner surface of a door and an operating system located outside of the door. The lock has a bolt movable between locking and unlocking positions and a releasable blocking mechanism contro... | 03/23/1993 |
| 5186062 | Method of investigating the gait of a living being The force exerted on a measuring section is broken down into two components each acting on one end of a measuring section. The components are each broken down into a vertical part and a horizontal part. The two vertical parts obtained are measured separat... | 02/16/1993 |