1
Krug Jr John A: Railroad car for transporting containers. ACF Industries Incorporated, Cummings Henry W, April 2, 1974: US3800712 (52 worldwide citation)

This disclosure is directed to a railroad car having means mounting hopper type containers on the car in such a manner that they may be unloaded while on the car. The car also includes mounting means for transporting standard containers on the car, preferably on pedestals. Support structure on the c ...


2
Needham Robert F, Souchek Dwaine G: Pressure tank safety vent system. ACF Industries Incorporated, Cummings Henry W, November 5, 1974: US3845876 (26 worldwide citation)

In accordance with the present invention a pressure tank safety vent system is provided comprising a vent member mounted in a fixed housing. The vent member is hollow and is in fluid communication with the tank. It has at least one port adapted to vent the tank pressure. A resilient assembly is prov ...


3
Hammonds James C, O Leary Walter E: Contour underground mine car. ACF Industries Incorporated, Cummings Henry W, October 15, 1974: US3841236 (24 worldwide citation)

An underground mine car is disclosed in which the sides and bottom members are at least partly curved preferably having a radius of curvature from about 6 to about 60 feet for the sides and 10 to 30 feet for the bottom, enabling these members to resist applied forces primarily in tension rather than ...


4
Holt Jan D: Inflatable dunnage. ACF Industries Incorporated, Cummings Henry W, November 12, 1974: US3847091 (21 worldwide citation)

Air bags are provided along the length of the car and are inflated to apply pressure against the lading in a generally transverse direction. The air bags may act upon panels or upon a flexible covering. Various lading loading schemes are accommodated by applying different amounts of pressure to indi ...


5
Thornton Duane V, O Leary Walter E, Holt Jan D: Multi-level transportation vehicle. ACF Industries Incorporated, Cummings Henry W, April 8, 1975: US3875871 (20 worldwide citation)

A freight carrier such as a railroad car is provided having sections which fold either upwardly or downwardly and inwardly from a stored position to an operational position which provides a supplementary level. Means are provided on the sections for supporting a subsequent section to be installed to ...


6
Carlson Edwin S: Safety vent system for tanks. ACF Industries Incorporated, Cummings Henry W, November 5, 1974: US3845878 (17 worldwide citation)

In accordance with the present invention, a safety vent system is provided comprising a burst plate or disk and pressure absorbing means whereby the high pressures encountered during pressure surges, for example, caused by impacts on the tank will be absorbed by the pressure absorbing means and the ...


7
Fossett Wallace L: Cammed railway hopper gate latching apparatus. ACF Industries Incorporated, Cummings Henry W, September 24, 1974: US3837294 (15 worldwide citation)

A rotatable shaft is mounted along an end of a gravity outlet having locking means mounted thereon for engaging the end portion of the gate to hold the same in closed position. Also mounted on the shaft is at least one locking cam. Upon rotation of the shaft to move the locking means into engagement ...


8
Loveland Arthur F: Method of applying a rigid polyurethane foam to the exterior of a railway car. ACF Industries Incorporated, Cummings Henry W, April 8, 1975: US3876739 (7 worldwide citation)

A method of applying a rigid polyurethane foam to the exterior of a railway car, particularly a covered hopper railway car or a tank car to provide a smooth and even outer surface and appearance. A plastic or metal sheet is first applied to the interior of a mold and the mold is then secured to the ...


9
Fleshman James W, Josephson Edgar F, Stoller David A: Structural hopper car. ACF Industries Incorporated, Cummings Henry W, November 25, 1975: US3921537 (7 worldwide citation)

A lightweight structural hopper car unit is provided utilizing a through sill, a bolster cover plate and side sills. Approximately 70% of the longitudinal squeeze loads are carried by the through sill and about 15% by each of the side sills. Thus the thickness of the sides and side sills can be redu ...


10
Fossett Wallace L, Waddell Jerry D, Akester Roger L: Railway hopper butterfly valve actuating mechanism. ACF Industries Incorporated, Cummings Henry W, April 1, 1975: US3874569 (6 worldwide citation)

A fluidized gravity discharge outlet is provided having a butterfly valve and a linkage affixed thereto which controls the opening size and is operable from at least one and preferably both sides of the car. A sanitary shield is also provided having a linkage affixed thereto which is operable from e ...