Did You Know...
...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 |
| 4780663 | Gauge for measuring the conductance of a liquid present between two electrodes A liquid level gauge consists of two main cells comprising a measuring electrode, a compensation electrode and their respective counter electrodes. Circuitry is provided to determine the conductance of the liquid in each cell. Further circuitry is provide... | 10/25/1988 |
| 4768404 | Cable stripping tool A tool has outer gripping jaws 12, 19 to grip a cable 20, and inner jaws with cutting edges 30 which penetrate the cable. The inner jaws are initially located for sheath penetration and are then displaced axially to strip the cut portion of the sheath of the c... | 09/06/1988 |
| 4765859 | Method of making filtercloths by induction heating A method of making a filtercloth which includes fixing components to the cloth includes the use of a thermoplastic bonding agent mixed with a ferrous metal powder. The bonding agent is induction heated to fuse the parts together, using the metal as a susc... | 08/23/1988 |
| 4762314 | Envelope feeder Envelopes are fed in a mutually overlapping state one by one toward a stopper provided at the front side of a transfer conveyor. Upon abutment with the stopper the envelopes pile up so as to be temporarily stored. An envelope feeder device is provided so ... | 08/09/1988 |
| 4748871 | Stripping tool A stripping tool particularly for fibre optic cables has flexible and resilient jaws carrying blades to contact the conductor, and when excess pressure is applied to close the blades on the conductor, the jaws can flex. This minimizes the risk of conducto... | 06/07/1988 |
| 4747190 | Apparatus for inflating a length of tubular material The invention relates to apparatus for inflating a continuously moving length of tubular material, in which the nozzle tube is rotatable and an arrangement is provided which locks the nozzle tube in an angular position in which the nozzle is in contact wi... | 05/31/1988 |
| 4741061 | Method for washing material wound on a perforated beam The invention relates to a method and to apparatus for washing material wound on a beam, in which from the time at which a specific degree of cleanness has been reached in the central region of the roll length until the end of the washing process the prop... | 05/03/1988 |
| 4735218 | Tobacco filter Tobacco filter using a smoke filter comprising a processed product of fruiting body of Bacidiomycetes of bracket fungus or its analogue or mycelium or processed product of the Bacidiomycetes. This filter is remarkably effective in adsorbing tar and nicoti... | 04/05/1988 |
| 4715425 | Casting mould In a casting mould and cooling unit for use in the continuous casting of molten metal, the layers of lubricious, non-wetting material such as graphite (12) bounding the solidification chamber (10) of the mould are secured to the copper cooling jacket wall... | 12/29/1987 |
| 4713515 | Electrode holder for electric discharge processing machines An electrode holder clamps the electrode 11 in two perpendicular directions by clamp members 33 and 40. Each clamp member slidably rests on base seat 16 which has side portions 17 and 18 that extend at right angles to each other. Clamp screws 60 and 63 al... | 12/15/1987 |
| 4706348 | Tensioning chain provided with grippers The invention relates to a tensioning chain provided with grippers in which the gripper body is made from cast spheroidal graphite or high-grade cast steel, the arms for pivot mounting of the gripper flap run at an angle upwards, the angle between the two... | 11/17/1987 |
| 4704806 | Apparatus for determining the timewise progress of the drying of a material sample The invention relates to apparatus for determining the timewise progress of the drying of a damp material sample. The material sample is continually connected to a movable part of a weighing mechanism during the drying process, and the delivery of the dry... | 11/10/1987 |
| 4674329 | Gauge for measuring the level or the conductance of a liquid present between two electrodes A gauge for measuring the height of a liquid in a vessel comprises a measuring electrode (M) and a compensation electrode (R) in the vessel, and a circuit which measures the capacitance CM of the measuring electrode and the capacitance CR | 06/23/1987 |
| 4657115 | Method and apparatus for the automatic lubrication of the links of a continuously moving material transport chain in a tensioning machine The invention relates to a method and apparatus for the automatic lubrication of the links of continuously moving material transport chains in a tensioning machine. The supply of lubricant is switched on and off for the duration of at least one complete c... | 04/14/1987 |
| 4655988 | Method and an apparatus for cooling and guiding thermoplastic synthetic resin films Disclosed herein is a cooling/guiding method and a cooling/guiding apparatus that will be used when a film of a thermoplastic synthetic resin or the like is to be produced by the inflation method or the T-die method. According to the invention, a thermoplastic... | 04/07/1987 |
| 4650407 | Cooling and guiding device for thermoplastic synthetic resin films A cooling and guiding device for continuous tubular thermoplastic synthetic resin films comprises a support ring, and another ring which is vertically spaced from the support ring, one of the rings being rotatable relative to the other; each of a pluralit... | 03/17/1987 |
| 4649953 | Siphon assembly for flushing cisterns Siphon assembly for a flushing cistern is in two parts; the first including the down leg of the siphon duct the lower end of which is mounted in the cistern base and the second including the up leg and the inlet chamber in which the flushing piston is rec... | 03/17/1987 |
| 4648773 | Circuit board assembly Integrated circuit components are loaded in Indian file in carrier tube and retained in position by headed pin at each end of the tube. The invention provides a spring bale to locate the tube in position on a support pillar, along which the tubes are fed ... | 03/10/1987 |
| 4638767 | Heating system The invention provides a control system for a set up including a plurality of boilers, in which each boiler is associated with a control valve which permits or prevents flow through the boiler between common flow and return mains and in which each control... | 01/27/1987 |
| 4633806 | Apparatus for the wet treatment of a continuous length of textile material The invention relates to apparatus for the wet treatment of a continuous length of textile material, containing a plurality of chambers through which the length of material flows in succession, in which a fluid connecting channel through which the length ... | 01/06/1987 |
| 4625386 | Combination tool A combination tool is provided (FIG. 1) for carrying out all of the operations necessary to connect a telephone jack to the appropriate cable, by first cutting the cable to the length using cutting blades provided on the tool, and then stripping the insul... | 12/02/1986 |
| 4617850 | Machine for the treatment web material A die-cutting machine comprises two form-carrying rolls (10,12) operable in timed relation to produce alternate blanks, with minimum wastage between the blanks, from a web fed at constant speed by a conventional feed mechanism (14). The rolls (10,12) are ... | 10/21/1986 |
| 4606298 | Combination bird feeder and shelter A disposable bird feeder comprises a blister pack of bird food adapted to be suspended by an eye in the backing and to provide a perch for the bird by means formed out of the pack and backing as shown in FIG. 1. This provides a very cheap and disposable b... | 08/19/1986 |
| 4602470 | Dismountable framework Dismountable multi-purpose framework (for example for use in forming access towers or platforms) is provided using a set of elongate members, preferably metal angle; including pillar members 10 and linking members e.g. horizontal members 11 interconnected... | 07/29/1986 |
| 4591690 | Welding electrode holder An electrode holder comprises an electrically insulating tubular handle having at one end an axially outward directed bearing surface. An electrode-clamping head member is rotatably seated on such bearing surface, and a cable connector is axially slidable... | 05/27/1986 |
| 4588362 | Reversible unidirectional flow rotary pump A gerotor pump is arranged for unidirectional flow irrespective of direction of rotation of the pump by arranging for displacement of the axis of eccentricity of the annulus and rotor upon drive reversal, the annulus being mounted in a carrier 14, FIG. 1,... | 05/13/1986 |
| 4562947 | Apparatus for treatment of continuous web material Treatment apparatus for continuous web for producing diecut blanks (for example) has two sets of treatment rolls and the speed of these is adjusted so that although driven at web speed during the treatment portion of each cycle they are accelerated and re... | 01/07/1986 |
| 4560117 | Reel supporting structure in open reel type tape cassette A tape cassette comprises a set of two front and back cassette halves, each half having a pair of apertures each of which is surrounded by an inward-extending annular projection and is aligned with an aperture and annular projection on the other cassette ... | 12/24/1985 |
| 4551180 | Cleaning elongate strip by die impaction The invention provides for surface cleaning of wire rod and the like by holding the wire under tension while passed through a die system and vibrating the wire transversely so that it is abraded by the die surface. Cleaning liquid flushes the die bore.... | 11/05/1985 |
| 4545736 | Apparatus for automatically processing slurry A reciprocating ram pump of the well known Willett's type is provided with electrical sensors (S1 and S2) and a solenoid operated valve (56) for controlling reversal of the ram at its delivery and suction stroke limits. The sensor outputs are employed for... | 10/08/1985 |
| 4546128 | Composite material compositions using waste synthetic fiber The present invention provides composite material compositions using waste synthetic fiber released from fiber-related factories or general households. In an embodiment of the present invention, a thermoplastic synthetic resin may be incorporated with pla... | 10/08/1985 |
| 4540347 | Gerotor pump A gerotor pump of n and n+1 type has the annulus and rotor located in a chamber with one wall provided by a floating coverplate held in place by a spring so that in the event of excess internal pressure the cover can lift to allow cross leakage between th... | 09/10/1985 |
| 4529269 | Radiation protection filter for plants A radiation protection filter for plants wherein ͌10.4 ͌3/͌4>1.5 ͌42 ͌6/͌4>2 and wherein ͌1=average of spectral transmittance between 300 and 330 nm. ͌3=average of spectral transmittance between 400 and 500 nm. ͌4=average of spectral tran... | 07/16/1985 |
| 4515565 | Dentistry A dental post assembly is for use in crown restoration of anterior teeth and includes a portion intended to screw-tap and engage in the root canal of the tooth and a bush screwthreadedly engaged with the post for insertion into a counter-bore in the upper... | 05/07/1985 |
| 4510032 | Chains A cathodically protected, studded chain link of theta configuration is provided with at least one anode member (13) provided with a connector (21) for fastening it to the stud (12) of the link to facilitate subsequent renewal of the anode member.... | 04/09/1985 |
| 4501450 | Connecting device between two wheel rims The invention relates to a connecting device between two wheel rims comprising an annular intermediate piece in the embodiment of a split ring being radially expandable by means of tensioning mechanism at the position of the dividing slit, the end edges o... | 02/26/1985 |
| 4501180 | Rotary die-cutting A rotary die-cutter is arranged for front or rear edge stripping by providing spring fingers which are moved rearwardly, relative to the rotation of the impression cylinder, to engage the front edge scrap and clamp it on the roll, for movement with the ro... | 02/26/1985 |
| 4491368 | Method for dredging rock with a pick and water jet combination A method for breaking out rock from a rock bottom under water, in which a cutting means having at least one pick is moved through the rock bottom. During the cutting procedure at least one water jet is directed from a nozzle towards the disintegrating zon... | 01/01/1985 |
| 4487420 | Darts A dart is described having a shaft to carry the flight, with a slot opening diametrically through the thickness of the shaft so that the flight can be deformed to a flat condition and pushed laterally through the slot, the extreme end of the shaft behind ... | 12/11/1984 |
| 4487236 | Pneumatic weaving machine A pneumatic weaving machine has an air transport channel for blowing the weft threads, formed by the reed lamellae and open at one side. A plurality of auxiliary blowing nozzles are directed through this open side obliquely inward. The invention provides ... | 12/11/1984 |
