Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7806058 | Tank car stub sill attachment A head brace and a method for attaching a stub sill to a tank of a railroad tank car by the use of such a head brace. A stub sill includes side plates having ears that extend upward to support the tank near where the head of the tank is attached, and a head brace is... | 10/05/2010 |
| 7421955 | Hazardous material transportation railcar and cask craddle The invention provides an apparatus for safely transporting various hazardous materials, including spent nuclear fuel. The invention includes a cask cradle that is configured to securely receive a cask for containment of hazardous materials, such as spent nuclear fu... | 09/09/2008 |
| 7044504 | Sub-assembly mounting system A mounting arrangement for a modular component such as a fuel tank on a vehicle includes sub-assembly of the fuel tank on a carrier for installation on the chassis. Alignment is provided by alignment arms extending outwardly from the chassis cooperating with mountin... | 05/16/2006 |
| 6357363 | Railroad tank car A railway tank car of light weight and high cargo load capacity in which a tank shell structure is carried on and unified with an underframe including a stub sill at each end, a pair of spaced apart saddle bolsters, each joined to a respective one of the ... | 03/19/2002 |
| 5579698 | Transportation and installation device for heavy pipes An apparatus specifically tailored to transporting pipes in a tunnel is disclosed. A pair of low slung bogies are used to support and transport a pipe to pipe junction location. The bogies move over a pair of rails on rollers. The pipe rests on a set of i... | 12/03/1996 |
| 5467719 | Method and apparatus for securing a tank to a tank car sill A method for attaching a head brace to a tank car includes cutting a portion of the draft sill near the position where the head brace is to be located in order to create an access opening. The interior of the head brace is welded to the draft sill assembl... | 11/21/1995 |
| 5351625 | Weld support for railway tank car underbody construction A weld support (50) for use with a center sill assembly (16) for supporting a cradle pad (12) used to support the end of a railway tank car body (B). The center sill assembly includes first and second spaced apart side plates (18, 20) spaced to either sid... | 10/04/1994 |
| 5329859 | Increased strength railway tank for underframe construction and method with center sill pocket and weld support for pooling welding material An underbody structure (10) supporting an end of a railway car body (B, B') cradled in a cradle pad (12, 12'). A center sill assembly (16) has first and second spaced apart side plates (18, 20) spaced to either side of the longitudinal centerline of the c... | 07/19/1994 |
| 5159882 | Railway car underbody structure and method An improved railway car underbody support structure and method for economically constructing same. The structure includes a center sill assembly having a pair of vertically disposed side plates spaced equidistant from the longitudinal center line of the c... | 11/03/1992 |
| 5076173 | Lifting hook arrangement for railway tank car An improved bolster assembly (21) is for use on a railway tank car (T). The assembly comprises a vertical web member (23) the upper end of which is formed to fit about the outer surface of the shell (S) forming the tank. The member has a lifting hook open... | 12/31/1991 |
| 4927066 | Gas and oil truck tank mounting strap replacement kit This kit is designed to be a replacement for gasoline and oil truck tank mounting straps. Primarily, it consists of a multiple number of assemblies, each including a pair of mounting plates, a vertical plate, a threaded rod, a horizontal mounting plate, a... | 05/22/1990 |
| 4892042 | Combination bottom outlet saddle and sump A combination bottom outlet saddle and sump is provided for a railway tank car. The saddle member comprises an upper surface which conforms to the underside of the tank body and is attached thereto in surrounding relationship with an outlet opening formed... | 01/09/1990 |
| 4805540 | Center stub still railway tank car construction A center stub sill railway tank car is disclosed having a generally cylindric, elongate tank. A center stub sill assembly is secured to the lower portion of the tank at each end thereof for transferring longitudinal train and lading loads between the tank... | 02/21/1989 |
| 4729570 | Fiberglass transport trailer A chassisless fiberglass tank trailer. The tank trailer includes a tank shell formed of a fiberglass reinforced isotholic resin, with fiberglass filaments bias-wound at an angle of approximately 45°. The tank shell has a forward head and a rear head for ... | 03/08/1988 |
| 4557199 | Lifting structure for railway tank car The tank of a railway tank car is supported adjacent to its opposite ends on two truck-mounted underframes, each underframe including a pair of body bolster plates disposed in a plane substantially perpendicular to the longitudinal axis of the tank and ha... | 12/10/1985 |
| 4527489 | Railroad tank car skid construction A skid arrangement to protect an appurtenance which extends from the bottom of a railroad tank car. The skid arrangement includes a ramped box-like frame structure which is defined by longitudinal side plates and transverse end plates and diaphragm plates... | 07/09/1985 |
| 4407203 | Railroad tank car lift lug A lift lug for receiving and securing a lifting device to a railroad tank car for re-railing the tank car. The lift lug includes a bolster pad mounted adjacent an end of the tank car and a vertically disposed bolster web, the bolster web having a substant... | 10/04/1983 |
| 4284012 | Railway tank car cradle support A tank car stub sill support structure is provided in which a half ring is attached to the inner end of a stub center sill at each end of the car. The half ring includes a top cover plate which engages the lower half of the tank, and a lower cover plate w... | 08/18/1981 |
| 4257332 | Railway tank car cradle support A tank car stub sill underframe is assembled by welding together a pair of angles to opposite edges of a longitudinally extending curved plate to form a generally channel-shaped section. The channel-shaped section includes a concave top plate and a pair o... | 03/24/1981 |
| 4223612 | Lifting device for railway tank car In accordance with the present invention, a lifting pocket is provided in a tank car bolster bottom cover plate or other tank car support plate. The support plate includes an opening for receiving a U-shaped lifting hook having a first leg having an eye f... | 09/23/1980 |
| 4060174 | Self-contained double-tubular transport container With a view to eliminating the annealing of the entire container for stress-relieving purposes after assembly and to prevent excessive stressing of its tanks, a self-contained transport container with two adjacent and rigidly interconnected cylindrical li... | 11/29/1977 |
| 3942453 | Railway car mixer for the transport of molten metals Disclosed herein is railway apparatus or the like for mixing and transporting molten metals, particularly pig iron, which essentially comprises a longitudinal, refractory lined cylindrical vessel, provided at its opposite ends with removable cover members... | 03/09/1976 |
