Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8178067 | Method of making amorphous silicon powder A production method of amorphous silicon oxide powder comprises a step of preparing a wood, agricultural crop or plant containing hexose and/or pentose and silicon oxide as a starting raw material, a step of hydrolyzing the starting raw material with nitric acid, hy... | 05/15/2012 |
| 7998448 | Amorphous silica and its manufacturing method A production method of amorphous silica comprises a step of preparing organic waste containing silicon oxide as a starting material, a step of immersing the organic waste in a carboxylic acid aqueous solution having a hydroxyl group, a step of washing the organic wa... | 08/16/2011 |
| 7909948 | Alloy powder raw material and its manufacturing method When starting raw material powder is passed through a pair of rolls (2a), plastic working is applied to the starting raw material powder, and the crystal grain diameter of a metal or alloy constituting a matrix of the powder particle after processed is... | 03/22/2011 |
| 7819992 | Copper alloy water supply member A member for water works is proposed in which the content of lead is limited to a very small values while maintaining its mechanical properties, castability, machinability, pressure resistance, etc. to levels equivalent to those of conventional copper alloys contain... | 10/26/2010 |
| 7160607 | Laminate damping base material, and damping structure with stack of this base material A damping structure which dispenses of the connection of a resistor used for a conventional damping structure and undergoes diverse molding processings with a simpler structure, and a laminate damping base material constituting such a damping structure. A laminate d... | 01/09/2007 |
| 7040127 | Method and device for forming a pipe A method and a device are proposed which accurately and efficiently form a pipe with a bending machine only, without using any correcting devices. A plate having holes is fed into a bending machine in which under an upper roll, lower rolls parallel thereto are arran... | 05/09/2006 |
| 6720048 | Pipe comprising ethylene base polymer The pipe of the present invention comprises an ethylene base polymer comprising ethylene and an α-olefin having 3 to 20 carbon atoms, wherein (A) a maximum value of the residual stress is 0.13 MPa or less; (B) the crystallinity is 0.630 to 0.850; (C) a gradient of ... | 04/13/2004 |
| 6328657 | Threaded fastener and a method of making same A threaded fastener lighter in weight and easier to produce is made by the moderate temperature-forging, from a raw magnesium material that contains microcrystals whose diameter is about 100 μm or less. The raw material may be pure magnesium of industria... | 12/11/2001 |
| 6016981 | Apparatus for producing hydrogen adsorption alloy A method and apparatus for producing a hydrogen adsorption alloy, the apparatus comprising a high speed ball mill in the form of a planetary ball mill mounted to a rotatable main shaft, wherein the planetary ball mill includes a plurality of mill pots eac... | 01/25/2000 |
| 5996606 | Four-port valve and three-way valve A four-port changeover valve in an emergency water storage tank facility for changing over the flow paths of the water main and to the tank by axially moving the valve rod. Three valve seats are formed axially in a valve box. The valve rod extends through... | 12/07/1999 |
| 5621289 | System for detecting malfunction by monitoring torque of a transfer device Safe operation of a transfer device on a press is provided by the present invention. In the transfer device in which the drive of servo motors in the drive units 1, is caused to be synchronized with the operation of the transfer press itself by positional... | 04/15/1997 |
| 5603882 | Piercing method and apparatus The invention is directed to an improved method and apparatus for a forward extrusion piercing which is able to pierce a long through-hole of slenderness (length/hole diameter) 5 or the like in a hot blank with a high accuracy by one stroke of the piercin... | 02/18/1997 |
| 5582629 | Treatment process of sponge titanium powder The present invention provides a process for reforming sponge titanium powder into intermediate titanium particles of desirable fluidity and superior bulk specific gravity suitable as a starting material of a titanium or titanium alloy product to be produ... | 12/10/1996 |
| 5535613 | Device for moving a blowing and spraying assembly for dies of a forging press A device for moving a blowing and spraying assembly for dies used in a forging press freely adjusts the movement of the blowing and spraying assembly. The distance from an intermediate fulcrum P of a driving lever 2 having a certain length L to a pressure... | 07/16/1996 |
| 5520057 | Test billet for use in press load test and load test method thereof The present invention has an object of simply and accurately measuring a load applied to a mechanical press. A test billet obtained from material of which the mechanical strength is uniform and which is finished precisely is placed on the press and presse... | 05/28/1996 |
| 5413288 | Compound partition diaphragm for use in a ball mill A partition diaphragm which divides a grinding chamber of a ball mill into several chambers is formed into a compound structure comprising a primary screen plate and a secondary screen plate, with the slit clearance of the secondary screen plate being sma... | 05/09/1995 |
| 5299443 | Slide adjusting device for use in forging press The present invention provides a small-sized slide adjusting device for use in a forging press manufactured by a simplified manufacturing process. An adjusting lever is provided with a nut receiving section, and a nut to be received in the nut receiving s... | 04/05/1994 |
| 5292186 | Continuous kneading machine A continuous kneading machine capable of achieving selfcleaning, improvement in kneading efficiency, and reduction in abrasion of paddles is provided. This continuous kneading machine is characterized in that sectional shape of one paddle in a section per... | 03/08/1994 |
| 5292077 | Flow rate regulator for use in a ball mill Flow rate of material passing through a partition diaphragm of a ball mill is regulated. One end of a disc controller is mounted on an outer shell of the ball mill, and a control disc is mounted on the other end through a diaphragm chamber formed inside t... | 03/08/1994 |
| 5267463 | Automatic transfer apparatus for use in a forging press To apply exactly a variety of operating patterns to an automatic transfer apparatus for use in a forging press, an arrangement is proposed comprising: intermediate frames each mounted on an external frame so as to move freely up and down; a clamp frame mo... | 12/07/1993 |
| 5248100 | Crusher with rotor for shearing A rotor shearing type crusher for crushing municipal waste and industrial waste whether it is bulky or not. If any foreign material, which is impossible to crush, is mixed with the municipal waste or industrial waste, the foreign material is promptly disc... | 09/28/1993 |
| 5232169 | Continuous air-swept type planetary ball mill A planetary ball mill in which a plurality of mill pots revolve by receiving a rotational force from a main shaft, while rotating on their own axes. A feed is continuously supplied to the mill pots so that ground particles are discharged out of the mill p... | 08/03/1993 |
| 5114085 | Hammer for use in hammer mill The present invention relates to a hammer for use in a hammer mill and particularly provides an improved hammer of separate type in which a hammer head is detachably coupled with a hammer body. A material of the highest level in abrasion resistance such a... | 05/19/1992 |
| 5097871 | Pipe for pipe jacking In pipe jacking wherein a pipe line is formed by horizontally inserting pipes one by one from a vertical pit without moling the ground, a pipe of spigot and socket type to be used is coated with such material as concrete to form an uniform common external... | 03/24/1992 |
| 5046247 | Method for manufacturing heat transfer module with hydrogen adsorption alloy This invention relates to a method for manufacturing a heat transfer module to improve the thermal efficiency of a hydrogen adsorption alloy. The hydrogen absorption alloy particles are coated with a metal which is different from that of the alloy, follow... | 09/10/1991 |
| 5000021 | Load control device for use in automatic forging press In an automatic press for continuously carrying out a plurality of processes simultaneously, while reducing press load to be applied is necessary to avoid the problem of defective products or damage to dies due to overload in automatic load control device... | 03/19/1991 |
| 4976470 | Cone crusher An improved cone crusher wherein raw material is crushed between a gyrating mantle and a bowl liner above the mantle. Space between the mantle and the bowl liner is adjusted by moving the bowl liner upward, and the adjusting movement is automatically perf... | 12/11/1990 |
| 4966494 | Low load pipe for pipe jacking When carrying out replacement of an old main with a new one while crushing the old pipe line by a pipe jacking construction method in which the pipe line is formed by inserting pipes one by one horizontally from a launch pit without excavating the ground,... | 10/30/1990 |
| 4895311 | Supporting structure for the crushing head of a cone crusher A novel supporting structure for the crushing head of a cone crusher in which an eccentric rotating in a frame and the crushing head gyrating in the inner periphery of the eccentric are movable up and down by hydraulic pressure, characterized in that a cy... | 01/23/1990 |
| 4833820 | Method of growing mushrooms and apparatus thereof The invention is to provide an improved method of growing mushrooms and a device for use therein. According to conventional methods, harvest of mushrooms sharply declines in quality and quantity on and after about the fourth time of harvest after starting... | 05/30/1989 |
| 4805874 | Valve casing for use in a butterfly valve In the valve casing according to the invention, a cylindrical elastic member is fitted to solidly coat a whole inner surface of the valve casing to form a passage, while performing a function as a seal ring for pipe lines and a function as a seat ring for... | 02/21/1989 |
| 4585179 | Portable crusher A movable crushing apparatus has two skids with wheels. The main skid carrying a crusher and a feeder is adapted to lie on the ground when in use. When moving the apparatus to other place, the point where the two skids are coupled with each other is raise... | 04/29/1986 |
| 4583568 | Valve assembly for powdery granules A valve assembly for powdery granules comprises a valve housing having upper and lower walls formed with upper and lower openings, a valve member having a hollow cylindrical valve body rotatably supported within the valve housing, and a drive mechanism fo... | 04/22/1986 |
| 4573492 | Discharge control valve A discharge control valve wherein the inside of a valve casing is partitioned by a pair of horizontal upper and lower partition walls into an upper chamber, an inlet chamber with an inlet port and an outlet chamber with an outlet port in the order named, ... | 03/04/1986 |
