Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7562859 | Gate valve with tongue and groove or bridging seal to annular seat elements A gate valve for controlling fluid flow, with a valve body forming a cylindrical flowbore and a gate cavity intersecting the flowbore to provide opposed openings. Seat pockets formed in the opposed openings may optionally include a metal carrier ring. A non-metallic... | 07/21/2009 |
| 7347406 | Shut-off valve and method of shutting off opening of vacuum chamber A shut-off valve disposed between openings formed to a vacuum chamber includes a casing, a valve body disposed inside the casing and having a shaft rotating around a central axis of the valve body, a drive unit for driving the valve body to rotate the shaft, and an ... | 03/25/2008 |
| 7325783 | Valve seat edge relief profile A valve seat has an outer surface, a rearward end, a face and a forward end. A passage extends from the rearward end to the face. A valve element slidingly contacts the face. Stress relief flanges are located on the face in areas of high bearing stress. Each flange ... | 02/05/2008 |
| 7316386 | Valve stem seal assembly A valve stem seal assembly having a retainer body that includes an annular interior passageway defined by a wall is disclosed. At least one internal sprue extends between top and bottom ends of the retainer body and are formed within the wall. A channel is concentri... | 01/08/2008 |
| 7306201 | Gate valve with tongue and groove or bridging seal to annular seat elements A gate valve for controlling fluid flow, in which a valve body forms a cylindrical flowbore and includes a gate cavity intersecting the flowbore to provide opposed openings into the flowbore. Seat pockets are formed in the opposed openings, each with a radial base a... | 12/11/2007 |
| 7306200 | Controlled rate feeder systems for fine particle solids and methods thereof A controlled rate feeder system for fine particle solids and a method thereof includes a seat-and-backseat structure, a seat plate assembly, a backseat plate assembly, at least one biasing device, and an actuator assembly. The seat-and-backseat structure has an inle... | 12/11/2007 |
| 7292909 | Substrate processing apparatus and management method A variety of maintenance work is performed for each of operation units in a substrate processing apparatus. Doors are provided at given positions on sides of an apparatus space, each of which is provided with an interlock switch. An interlock release unit is provide... | 11/06/2007 |
| 7270311 | Pendulum gate valve A pendulum gate valve includes a housing defining a valve chamber, the valve housing having a vacuum-chamber opening in a front wall and an access opening in a rear wall aligned with the vacuum-chamber opening and defining a through-hole extending from one side of t... | 09/18/2007 |
| 7246637 | Balanced valve A balanced valve for controlling the flow of fluids in conduits, the valve comprising: (a) a casing formed of sidewalls and a casing top and bottom, defining an interior; (b) a fluid inlet in a sidewall of the casing and a fluid outlet in an opposite sidewall of sai... | 07/24/2007 |
| 7234679 | Gate valve A gate valve has a transfer chamber-side valve element and a process chamber-side valve element connected to a single shaft. A rotary latch pivotably supported on an inner surface of one of the valve element with the rotary latch having a latch surface at a forward ... | 06/26/2007 |
| 7198251 | Opening/closing mechanism for vacuum processing apparatus and vacuum processing apparatus using the same An opening/closing mechanism for a vacuum processing apparatus comprises a link mechanism comprising a supporting member having first and second valve elements for closing first and second opening portions, and a base end side member rotatably attached at a rear edg... | 04/03/2007 |
| 7134642 | Vacuum gate valve The invention provides a vacuum gate valve for closing off an opening. The vacuum gate valve can have a valve plate that can be turned so that the alignment of the valve plate will adapt to a valve seat when the valve plate is pressed against the valve seat. ... | 11/14/2006 |
| 7128305 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between process and transport modules. A separate valve is provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of the unitary actuator. The separat... | 10/31/2006 |
| 7114702 | Slide valve In a slide valve, especially for coating installations, for fluidic separation of two modules or chambers, interconnected through an opening, containing at least one slide plate, integrated in a housing transfixed by said opening, and which may be bidirectionally mo... | 10/03/2006 |
| 7086638 | Methods and apparatus for sealing an opening of a processing chamber In one embodiment, a slit valve is provided that is adapted to seal an opening and that includes a valve housing having a first wall, a first opening formed in the first wall, a second wall and a second opening formed in the second wall. The slit valve also includes... | 08/08/2006 |
| 7066443 | Gate valve A gate valve has a transfer chamber-side valve element and a process chamber-side valve element connected to a single shaft actuated with a single three-position air cylinder to selectively close a process chamber opening and a transfer chamber opening or fully open... | 06/27/2006 |
| 7059583 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between adjacent vacuum chambers, such as process and transport modules. Separate valves are provided on the unitary actuator for each of two valve slots, each slot being closed or opened according to the position of... | 06/13/2006 |
| 7021357 | Component mounting apparatus and component mounting method A component-mounting apparatus is provided with a pallet-carrying unit that carries a pallet, holding boards, within the apparatus. The pallet-carrying unit carries the pallet to a loading unit for feeding boards to the pallet, an ACF applying unit for applying an A... | 04/04/2006 |
| 6966538 | Gate valve A gate valve has a valve rod equipped with a valve plate having a pair of valve plate surfaces, wherein the valve rod is tilted by an actuator to thereby effect highly reliable valve opening/closing operation with a simple construction. In the gate valve, the valve ... | 11/22/2005 |
| 6913243 | Unitary slot valve actuator with dual valves A unitary slot valve actuator is in a vacuum body between adjacent vacuum chambers, such as a process module and a transport module. Separate valves are provided on the unitary actuator for each of two valve body slots, each body slot being closed or opened accordin... | 07/05/2005 |
| 6905107 | Inflatable slit/gate valve A sealable door assembly including a frontplate which faces an opening to be sealed, a backplate operatively coupled to the frontplate, and at least one inflatable member located between the frontplate and the backplate. When inflated, the inflatable member moves th... | 06/14/2005 |
| 6854708 | High-vacuum valve with retractable valve plate to eliminate abrasion A valve achieves a high-vacuum seal and opens and closes with no sliding or otherwise abrading contact between the sealing plate and the valve seat, while maintaining pressure of the plate against the valve seat in the event of a failure in the valve actuation mecha... | 02/15/2005 |
| 6845783 | Sliding disk valve for pneumatic conveyance of abrasive material A linear actuated disk valve for a fluid conveyance system constructed with a valve body having an internal chamber and a passage through the valve body, the valve body having opposite ends with external connectors that continue the passage and that are connectable ... | 01/25/2005 |
| 6612546 | Gate valve with delayed retraction of counter plate A valve, such as a gate valve, includes a housing having a fluid conduit and defining a valve seat and a support surface, a seal plate, a counter plate, an actuator for moving the seal plate and the counter plate between an open position and a closed posi... | 09/02/2003 |
| 6601824 | Single shaft, dual cradle vacuum slot valve A single slot valve shaft is in a vacuum body between adjacent vacuum chambers, such as a process module and a transport module. Separate valves are provided on the single shaft actuator for each of two valve body slots, each body slot being closed or ope... | 08/05/2003 |
| 6564818 | Methods of implementing a single shaft, dual cradle vacuum slot valve A single slot valve shaft is in a vacuum body between adjacent vacuum chambers, such as a process module and a transport module. Separate valves are provided on the single shaft actuator for each of two valve body slots, each body slot being closed or ope... | 05/20/2003 |
| 6517048 | Isolation valves Isolation valves for selectively sealing a first region from a second region. A gate valve can include a housing which defines a channel between the first and second regions. The valve includes a gate, located in the housing, and displaceable between a st... | 02/11/2003 |
| 6390448 | Single shaft dual cradle vacuum slot valve A single slot valve shaft is in a vacuum body between adjacent vacuum chambers, such as a process module and a transport module. Separate valves are provided on the single shaft actuator for each of two valve body slots, each body slot being closed or ope... | 05/21/2002 |
| 6347918 | Inflatable slit/gate valve A sealable door assembly including a frontplate which faces an opening to be sealed, a backplate operatively coupled to the frontplate, and at least one inflatable member located between the frontplate and the backplate. When inflated, the inflatable memb... | 02/19/2002 |
| 6308932 | Isolation valves Isolation valves for selectively sealing a first region from a second region. A gate valve can include a housing which defines a channel between the first and second regions. The valve includes a gate, located in the housing, and displaceable between a st... | 10/30/2001 |
| 6302372 | Gate valve A gate valve (1) is constructed for the simultaneous blocking or clearing of two rectangular passage openings (8,9) of two chamber walls (4,5) that are provided between two vacuum chambers (1,3) and aligned with one another. To this end, it has two valve ... | 10/16/2001 |
| 6158718 | Gate valve An improved gate valve having a body with horizontal inlet and outlet fluid flow passageways with first and a second seat surrounding the passageways, a stem supported in a vertical plane by the body, a gate positioned between the seats and being vertical... | 12/12/2000 |
| 6079693 | Isolation valves Isolation valves for selectively sealing a first region from a second region. A gate valve can include a housing which defines a channel between the first and second regions. The valve includes a gate, located in the housing, and displaceable between a st... | 06/27/2000 |
| 5927684 | Slide, particularly pipe bridge slide Single-plate slide, especially single-plate pipe bridge slide (10) with a slide-plate (16) and if necessary a pipe bridge (20), which is or are movable by means of an actuating device (18, 19) within this casing (11) in order to close or open a fluid pass... | 07/27/1999 |
| 5704594 | Guided gate valve A guided gate valve having a valve body with an interior surface defining a passage having an upstream opening an downstream opening. Upstream and downstream valve seats are mounted within the passage. A guide rail is mounted to the valve body between the... | 01/06/1998 |
| 5662308 | Expanding gate valve assembly An expanding gate valve which includes a reciprocating gate supporting at least one floating segment supported on one side thereof with a wedging means between the gate and the segment for wedging movement of the segment transverse to the fluid flow path ... | 09/02/1997 |
| 5269491 | High vacuum valve Presented is a vacuum valve having a metallic housing that may be mounted in a vacuum system in any attitude. The valve includes a "knife" edge seal formed on the interior of the metallic housing on one wall thereof, surrounding a port therein, and adapte... | 12/14/1993 |
| 5150881 | Gate valve sleeve A sealing sleeve for a gate valve is disclosed which is designed to respond to movements of the gate of the valve in a particular manner. The seal undergoes an axial compressive type movement as the gate is moved between opposed sealing sleeves and this c... | 09/29/1992 |
| 5087017 | Valve body for non-sliding type gate valve A non-sliding gate valve includes a valve housing and a valve body, the valve body having a paired valve plate and a counter plate disposed within the valve housing in parallel with each other. Also included are a pair of inner supports, each made of a me... | 02/11/1992 |
| 5037064 | Gate valves A gate valve has opposed valve seats respectively held in position by seat holders within an outer body of the valve. Each seat is fitted into the respective holder from the outer side of the latter and retained in position, against displacement, between ... | 08/06/1991 |
