Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6702334 | Tapered compression ring for flared tube applications A tapered compression ring for flared tube applications includes a generally ring-shaped body having (a) a gap defining a first end and an opposite second end, (b) a first face, (c) an opposite second face, and (d) a central axis. The first face is tapere... | 03/09/2004 |
| 6350094 | Bolt and a nut locking mechanism A present invention provides a locking mechanism capable of preventing a bolt from loosening. A bolt 5 has a head provided with a first part which comprises openings 511. A locking washer 4 is provided with a second part which includes outer projections 4... | 02/26/2002 |
| 6318939 | Fastening device A fastening device (20), for use in holding a base plate down to a railway sleeper. The device is of the type having a head portion (21), a screw-threaded shank portion (22) and an intermediate portion (23) connecting the head portion (21) to the screw-th... | 11/20/2001 |
| 5433567 | Connection bolt assembly with locking means An assembly of a bolt, a washer, a nut and locking structure for locking the bolt against rotation after the bolt, washer and nut have locked together a pair of flat, plate-like members in frictional engagement with each other. Any tendency for the bolt t... | 07/18/1995 |
| 5332348 | Fastening devices Fastening devices such as washers, seals and drive pins subject to corrosive deterioration of all or select portions thereof wherein all or such select portions are protected from such corrosion and failure by a thin coating or coatings of hard surface ma... | 07/26/1994 |
| 5188494 | Torque indicator device and method for use with a threaded fastener The present invention is a torque indicator device that provides a positive indication as to whether or not a threaded fastener has been tightened to a desired torque. The present invention torque indicator device is mounted under the head of a threaded f... | 02/23/1993 |
| 4447183 | Machine parts expander hold down A workpiece fastening device usable on a machine tool fixture, comprising an elongated tubular body having knurling along the outside of the top end of the body, a taper on the inside thereof, and a plurality of slots extending longitudinally about half t... | 05/08/1984 |
| 4240670 | Vehicle wheel covers A wheel accessory, e.g., a full wheel cover or a hub cap has a mounting flange provided with openings which match the bolt pattern of the vehicle wheel. A majority of these openings are oversized with respect to the wheel's chamfered or ramped lug nuts so... | 12/23/1980 |
