...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 |
| 7323260 | Lubricant, recording medium and carboxylic acid compound The present invention provides a lubricant capable of holding an excellent lubricating property under various types of service conditions, maintaining a lubricating effect for a long period of time and providing excellent traveling property, abrasion resistance, dur... | 01/29/2008 |
| 6663971 | Branched perfluoro polyethylene glycol (PF-PEG) high performance thin film disk lubricants A non-linear perluoro polyalkylene or perfluoro polyarylene glycol of specific molecular conformation such as plate-like, spherical, or helical and having the formula CFx --[--(--RO--)n --CF3 ]4-x, wherein R is ... | 12/16/2003 |
| 6617011 | Elastomeric lubricants for magnetic recording media Elastomeric fluoropolyether lubricant topcoats are formed on a protective overcoat of a magnetic recording medium. Embodiments include forming a an amorphous carbon layer having a thickness of no greater than about 25 Å as the protective overcoat and pol... | 09/09/2003 |
| 5230964 | Magnetic recording media a comprising magnetic particles binder and (fluorinated phenoxy)(3-perfluoroalkylphenoxy)-cyclic phosphazene lubricant A magnetic recording media containing a lubricant which is a cyclic phosphazene completely substituted with fluorinated phenoxy substituents and m-perfluoroalkylphenoxy substituents, in ratios ranging from 1:1 to 1:5 is disclosed. The recording media and ... | 07/27/1993 |
| 5091249 | Magnetic recording medium lubricant comprising two different fluorinated polyethers each having specified terminal groups A magnetic recording medium comprising a non-magnetic support having a magnetic layer thereon, wherein the surface of the magnetic layer contains (a) a first fluorinated polyether having an oxo acid group or an oxo acid salt group at one or both terminals... | 02/25/1992 |
| 4828924 | Magnetic recording medium A magnetic recording medium of high durability comprising a substrate material and a magnetic layer provided on at least one surface of the substrate material, the magnetic layer comprising magnetic powder and a resinous binder, characterized in that the ... | 05/09/1989 |
| 4822637 | Fabrication of magnetic recording medium with lubricant Fabrication of magnetic recording media having a coating containing harsh pigment like CrO2 particles and adapted for frequent contact with a head, with good durability, abrasivity, etc., accommodated by using a lubricant system including a flu... | 04/18/1989 |
| 4721795 | Fluoropolyethers containing end groups endowed with anchoring capacity Compounds suitable for being used as lubricants, having general formula: (I) RO--(C3 F6 O)m --(CFXO)n --CFX--L, or (II) R"CFXO--(C3 F6 O)x (CFXO)y --(C2 F4 ... | 01/26/1988 |
| 4659627 | Magnetic recording medium with lubricant Magnetic recording media having a coating containing harsh pigment like CrO2 particles and adapted for frequent contact with a head, with good durability, abrasivity, etc., accommodated by using a lubricant system including a fluoro-silicone oi... | 04/21/1987 |
| 4642246 | Process for chemically bonding a lubricant to a magnetic disk A process for chemically bonding a lubricant to a magnetic disk by applying a functionalized polymeric lubricant to the disk, heating it until a significant portion bonds to the disk via the functional terminal group, and then reacting the unbonded residu... | 02/10/1987 |
| 4621016 | Magnetic recording media By inclusion of a fluorinated graphite material in conjunction with carbon black in the magnetic layer of a magnetic recording medium, the medium is improved significantly in its surface properties and electromagnetic performance properties as well as mag... | 11/04/1986 |
| 4613548 | Polyphosphazene magnetic tape lube A magnetic recording media containing a normally liquid polyphosphazene lubricant, e.g. low molecular weight linear or cyclic poly-fluoroalkoxy phosphazene mixtures.... | 09/23/1986 |
| 4431702 | Magnetic recording medium A magnetic recording medium having a magnetic layer comprising a magnetic powder and a resin binder, which is characterized by that the magnetic layer contains an ethylene trifluoride chloride polymer of a low degree of polymerization and a fatty acid est... | 02/14/1984 |
| 4327139 | Rigid magnetic recording disk having perfluoropolyether lubricant A magnetic recording medium comprising a non-magnetic base and a magnetizable layer which is applied to at least one side thereof and comprises magnetic particles finely dispersed in a polymeric binder and additives, the surface of the magnetizable layer ... | 04/27/1982 |
| 4267238 | Flexible magnetic recording media lubricated with fluorinated telechelic polyether polymer Flexible magnetic recording tape is lubricated by a thin coating of a fluorinated telechelic polyether polymer having at least one polar group such as --CONHCH2 CH2 OH, --COOCH3, --CH2 OH, and --COCF3. | 05/12/1981 |
| 4034133 | Magnetic recording medium with lubricant A magnetic recording element of the type including a base and a coating upon a surface of the base, the coating comprising magnetic particles dispersed in a polymeric binder and a lubricant, the improvement comprising a lubricant chosen from the group con... | 07/05/1977 |