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...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 |
| 7954241 | Self-lubricating bearing and its manufacturing process The present invention discloses a self-lubricating bearing, which is a hollow cylindrical body with an axial hole in its center, exhibiting a structure formed by sintering a multiple of spherical alloys particles under microscopy. The self-lubricating bearing has a ... | 06/07/2011 |
| 7406768 | One-way clutch integrated with a rolling bearing, and method of producing the same In a one-way clutch integrated with a rolling bearing, rolling elements and sprags are arranged in an annular space between an inner race and an outer race in each of which a one-way clutch raceway surface is formed in one axial side of a rolling bearing raceway sur... | 08/05/2008 |
| 7343681 | Porous plain bearing with continuous variation of the borehole compression The invention pertains to a plain porous bearing for motors and transmissions with a circular bearing bore that displays, distributed alternatingly across the bearing bore, highly compressed at least approximately closed-pore areas and slightly compressed, open-pore... | 03/18/2008 |
| 7327065 | Motor, stator for the same, and manufacturing method thereof A motor having a stator that is configured by including a plurality of magnetic partial core members, which have a plurality of split ring cores forming a ring and coil support cores projecting outwardly from the respective center portions of the split ring cores. T... | 02/05/2008 |
| 7290936 | Slide member, manufacturing method and manufacturing apparatus of the same In a slide member such as a slide bearing, the invention can make a height of a bank portion around an oil keeping concave portion small, whereby it is possible to improve an initial conformability and improve an anti-seizure performance. A plurality of holes are fo... | 11/06/2007 |
| 7000319 | Method of manufacturing outer races for tripod-type constant velocity universal joints To make a peripheral lip region to be formed with chamfered portions by the use of a plastic working technique, to enable the use of a cup forming punch of a simplified shape so that a mold used therewith can be easily assembled and the punch when worn down can easi... | 02/21/2006 |
| 6938342 | Method for reducing seizure in a cageless ball bearing which is exposed to foreign particles A method for reducing seizure when a cageless ball bearing is placed in a hostile environment where foreign particles can enter the bearing, comprises removing at least one ball from a full complement of balls. In so doing, a larger circumferential gap between balls... | 09/06/2005 |
| 6840722 | Machining apparatus and machining method A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio setting motors M1 and M3 for setting a ratio of a ... | 01/11/2005 |
| 6715207 | Method of manufacturing sliding bearings A method of manufacturing sliding bearings of the type in which a sliding guide surface is formed by using a resin liner, including fixing a thermosetting resin, which constitutes the resin liner, on the whole or a part of a sliding guide surface of a first member b... | 04/06/2004 |
| 6688001 | Method and apparatus of working plain bearing There is provided a method of working a plain bearing and a working apparatus of the plain bearing, which make it easy to perform working by forming a plurality of inclined surfaces of different angles in portions on both sides of the inner peripheral sur... | 02/10/2004 |
| 6678956 | Method of producing spray deposit on bearing boss Prior to forming a thermal spray coating layer (28) on an end face (23B') of a structural base material (23') to be shaped into a boss, firstly an inner masking member (32) is fitted in an original hole (23A') of the structural base material (23') and the... | 01/20/2004 |
| 6655843 | Bearing cap structure for engine A core member has a core member side journal portion and a core member bolt hole on both sides of the core member side journal portion and is provided in a separation state from a surface of a casting mold through a cast-off pin including a step portion i... | 12/02/2003 |
| 6263575 | Plain bearing and method for the production thereof A plain bearing overlay (3) of which exhibits properties which are markedly improved with regard to wear resistance in comparison with overlays applied by electroplating and conventional electron beam vapor deposition methods. The surface of the overlay (... | 07/24/2001 |
| 6196726 | Method of constructing a self-aligned, rigid spherical bearing assembly A bearing assembly permits one bearing bushing to be employed in both applications that permit self-aligning pivoting movement of a rotating shaft and applications that rigidly support a rotating shaft, thereby eliminating the need to inventory two differ... | 03/06/2001 |
| 5907905 | Method for manufacturing a hemisphere of a hemispheric bearing Disclosed is a method for manufacturing a hemisphere used in a hemispheric bearing apparatus capable of performing the mass production and enhancing the mechanical characteristic of the hemisphere by manufacturing a sphere using a pair of forging frames f... | 06/01/1999 |
| 5201795 | Rock bit manufacturing method Method and apparatus for forming a base defining a trunnion and a portion of a leg for a roller-cone-type rock bit. A workpiece is rough formed to comprise leg work, having a preliminary end surface, and trunnion work extending angularly from the leg work... | 04/13/1993 |
| 4982496 | Method of making lug journal for roller cutter drill bits A method of machining a journal (14) on a lug (10) for a roller cutter drill bit in which the stand (22) holding the lug (10) is fixed and a cutting tool (26) is mounted on a holder ( 24) over the journal (14) for rotating about the journal (14). Two sepa... | 01/08/1991 |
| 4732492 | Bearing ring for supporting items on solid or hollow cylindrical parts The cylinder may be an aircraft landing gear axle. The items may be pick-ups the sense axle deformation. A ring (30) for supporting the pick-ups is made of highly resilient material. It is initially of such a size that its cylinder-engaging surface overla... | 03/22/1988 |
| 4660267 | Method for fabricating an arthroscopic shaver An improved surgical device and method for manufacturing the device are provided. The device is a high rotating speed arthroscopic probe shaver with bearing means that give superior longitudinal and radial support. Further, the outer tube of the probe sha... | 04/28/1987 |
| 4651402 | Method of making an assembly of a metal bearing ring and a solid or hollow cylindrical metal part, and an assembly so obtained The cylinder may be an aircraft landing gear axle. The items may be pick- to sense axle deformation. A ring (30) for supporting the pick-ups is made of highly resilient material. It is initially of such a size that its cylinder-engaging surface overlaps ... | 03/24/1987 |
| 4612695 | Method of manufacturing a hollow cam shaft The method of manufacturing a lightweight, low cost hollow cam shaft includes the steps of forming an integral journal portion in a hollow pipe member by inwardly deforming a portion of the pipe member, such as by coining or spinning, the outer surface of... | 09/23/1986 |
| 4320549 | Rocker-sliding bearing assembly and a method of lining the assembly A rocker-sliding bearing for bridges or similar structures and a method of lining the concave top side surface of a curved baseplate of a rocker-slider bearing wherein the rocker-slider bearing includes a flat top plate, an intermediate plate having a fla... | 03/23/1982 |
