...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 |
| 7325580 | Safety system for constraining crossbeams in a belt splicer In a belt splicer, having crossbeams straddling over and under the splice area, and having tie-bolts holding the ends of the crossbeams together, the safety system comprises link-spacers which link the crossbeams together. The link-spacers are profiled complementari... | 02/05/2008 |
| 5188218 | Method and apparatus for installation of large conveyor belts A method for deploying a belt on a large conveyor belt system which extends down slope. A run of the belt is positioned at an upper position along the slope, and is engaged with a controllable brake which is configured to permit selective adjustment of th... | 02/23/1993 |
| 5083656 | Conveyor anti-runaway apparatus A conveyor anti-runaway apparatus is provided for a conveyor of the type driven by an electric motor connected to a source of electrical power. The anti-runaway apparatus includes a switch tripping device having a tripping arm structure which is periodica... | 01/28/1992 |
| 5060789 | Conveyor anti-runaway apparatus A conveyor anti-runaway apparatus is provided for a conveyor of the type driven by an electric motor connected to a source of electrical power. The anti-runaway apparatus includes a switch tripping device having a tripping arm structure which is periodica... | 10/29/1991 |
| 5061142 | Device for loading and unloading vehicles and aircraft The present invention relates to an assembly for loading or unloading cargo which comprises a cargo space having a base portion and a loading-unloading apparatus having a supporting structure. A cargo conveyor has an upper part and a lower part, the upper... | 10/29/1991 |
| 5058722 | Device for adjusting the stop position of conveyor belts used on overhead conveyor systems This invention relates to a mechanical device for adjusting the stop position of conveyor belts used on overhead conveyor systems; this device aims at facilitating the insertion of clothes hangers hooks, moved by automatic moving systems, into slots on th... | 10/22/1991 |
| 4942956 | Part indexing and positioning apparatus A series of rigid I-beams are secured to the underside of a driven endless looped chain and supported by a leading trolley and a trailing fixed connector. The chain is supported in a track by trolleys. End hooks on the beam support a load crossbar. A driv... | 07/24/1990 |
| 4609100 | Clamping device for belts A clamping device for conveyor belts has a pair of crossbars disposed on opposite sides of the conveyor belt and clamping bars each disposed between a respective crossbar and the conveyor belt. The device is mounted through the clamping bars and a hydraul... | 09/02/1986 |
| 4314631 | Frictional belt brake A brake device which is used to prevent reverse movement of a belt run and which includes a wedge member which is pivotally supported above the belt run. Upon reverse movement of the belt run, the wedge member is drawn into pinching contact with the belt.... | 02/09/1982 |