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 |
| 7300515 | Facing material with controlled porosity for construction boards This invention provides facing materials for cementitious boards such as those including Portland cement or gypsum cores. The preferred facing material includes, in a first embodiment, a facing layer having an areal weight of about 300 grams/M2, and an ai... | 11/27/2007 |
| 7033658 | Simulated stone block and aged artist's canvas articles and method Articles comprising simulated stone block walls and artist's canvases may be formed by providing a burlap or canvas substrate, coating the substrate with a layer of gypsum wallboard finishing compound or similar plaster-like composition, and folding or otherwise man... | 04/25/2006 |
| 6927183 | Reinforced article The present invention provides a reinforced article with an injected inner reinforcing mixture layer deposited between a covering material and a core material. ... | 08/09/2005 |
| 6881486 | Water curable casting tapes and methods of preparing the same One aspect of the present invention is a casting article comprised of a water-curable Plaster of Paris (PP) article having a first side and a second side and having a substrate and PP material and a polyisocyanate material being applied to at least one of the first ... | 04/19/2005 |
| 6277771 | Reinforcing carbon fiber material, laminate and detecting method A sheet-shaped carbon fiber base material is made up from reinforcing carbon fiber and metal wire integrally formed into a carbon fiber base material which may be a a woven fabric, a tow sheet and a prepreg. The volume fraction of metal in the sheet-shape... | 08/21/2001 |
| 5733633 | Fire-resisting slabs fabrication method A fire resisting slab fabrication method including the steps of i) preparing a first compound by mixing by weight 25%-30% magnesium oxide with 20%-25% magnesium chloride and 10%-15% water at room temperature; ii) preparing a second compound by mixing by w... | 03/31/1998 |
| 5654064 | Clay liner for steep slopes A flexible clay liner in roll form for use on steep slopes. The liner includes a layer of geotextiles. The geotextiles are stitched together in rows of stitches which extend along the length of the liner. The thread used to make the stitching is a multifi... | 08/05/1997 |
| 5346565 | Water barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric needled together using a lubricant A multi-layer article of manufacture includes an intermediate layer of a water-swellable colloidal clay, such as bentonite, sandwiched between two layers of flexible sheet or fabric material wherein the two flexible layers of sheet or fabric material are ... | 09/13/1994 |
| 5346566 | Water barrier of water-swellable clay or other abrasive material sandwiched between interconnected layers of flexible fabric sewn or needled together using a lubricant and/or a liquid adhesive A multi-layer article of manufacture includes an intermediate layer of a water-swellable colloidal clay, such as bentonite, sandwiched between two layers of flexible sheet or fabric material wherein the two flexible layers of sheet or fabric material are ... | 09/13/1994 |
| 4997695 | Clay mixture having contamination resistance A mixture of swellable clay, such as bentonite, is charged with an additive which provides an excess of single-charged cations which tend to neutralize the deleterious effects of double-charged cations which are naturally present in seawater and industria... | 03/05/1991 |
| 4528238 | Production of fibre-reinforced cementitious composition A process for the production of a moldable fibre-containing cementitious composition in which at least one mat of a water-insoluble fibrous material is contacted with at least one surface of a shaped article of a moldable cementitious composition, the cem... | 07/09/1985 |
| 4297409 | Manufacture of articles from an organic material and a water-hardenable mass A material primarily for replacing asbestos-cement products includes a reinforcing network of continuous, fibrillated organic film and a water-hardened mass such as Portland cement and sand or alternatively gypsum. The organic film may be a polyolefin suc... | 10/27/1981 |
| 4292882 | Armor comprising a plurality of loosely related sheets in association with a frontal sheet comprising metal abrading particles Bullet proof armor comprising a laminated pad with front and rear surfaces and composed of a plurality of loosely related fabric sheets woven of fibres having high tensile strength, said fibres of the fabric adopted to establish gripping and holding engag... | 10/06/1981 |
