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Patent No. 5970981

Mouthguard made at least partially from an edible candy

A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.

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Class 251/187 - Separate actuators or actuator motion


Subclass of Class 251 - Valves and valve actuation
Definition: Devices comprising a different actuating means for valving
No. of patents: 42
Last issue date: 11/22/2011


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NumberTitleIssue Date
8061686Pinch valve
A pinch valve includes a valve body having a slot which is configured to allow a web of substrate material to pass therethrough. The valve body has a sealing surface which includes a first curved portion with a first radius of curvature. A dynamic seal element is co...
11/22/2011
7762526Pendulum valve having independently and rapidly controllable theta-and z-axis motion
A Pendulum Valve having Independently and Rapidly Controllable Theta- and Z-axis Motion. The valve actuator used in the present invention provides the benefit of wide open unrestricted flow of a pendulum valve coupled with the high-resolution and wide dynamic range ...
07/27/2010
7281700Gate valve apparatus for vacuum processing system
A gate valve apparatus includes a valve body to open and close a target object transfer port in a vacuum processing system. The valve body is reciprocated in a first direction relative to the transfer port. A support rod is connected to the valve body and extends in...
10/16/2007
7191598Gas turbine by-pass system
A gas turbine by-pass system is used between a gas turbine generator outlet nozzle and the inlet of a heat recovery steam generator (HRSG). The system allows operators to divert gasses from the HRSG in combined cycle mode to a silencer assembly to operate in simple ...
03/20/2007
7134642Vacuum 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
7100892Non-rubbing gate valve for semiconductor fabrication apparatus
A gate valve includes a valve main body having a gate valve body attached to a valve rod; a movement operation mechanism that moves the valve rod in a direction along an axis of the rod up to a position where the gate valve body stops up a flow passage port used for...
09/05/2006
6966538Gate 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
6916009Load-lock device for introducing substrates into a vacuum chamber
A load-lock device for introducing substrates into a vacuum chamber comprises a load-lock chamber with at least one opening on the input side for introducing the substrates from an atmosphere area located in front of the input-side opening into an interior space loc...
07/12/2005
6854708High-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
6427973Vacuum system with a vacuum plate valve
A vacuum arrangement with a vacuum disc valve. A support plate is movably guided along a wall with an opening that is closed or opened by a valve. A seal plate is provided on the support plate which is controlled and actuated through a cylinder chamber. W...
08/06/2002
6409149Dual pendulum valve assembly with valve seat cover
A dual pendulum valve assembly for connecting a process chamber and a vacuum pump of a semiconductor manufacturing system. The valve assembly includes an isolation valve for sealing an opening to the pump during cleaning of the system and an annular cover...
06/25/2002
6257548Valve construction
The invention relates to a valve having a housing in which there is a passage having at least two spaced ports. A slide is accommodated in the passage for to and fro movements between at least two positions in one of which at least one of the ports is ope...
07/10/2001
6241213Diaphragm valve
A valve including: a bonnet; a body secured to the bonnet and including at least two ports and at least one weir positioned between the ports; a valve stem being movably coupled with the bonnet, the valve stem including first and second longitudinal ends,...
06/05/2001
6035805Method and apparatus for vacuum deposition of highly ionized media in an electromagnetic controlled environment
A method and apparatus for vacuum depositing a coating onto a substrate are provided. The method includes the steps of: introducing an evaporant into a magnetically defined deposition region of a vacuum process chamber, ionizing the evaporant to form a pl...
03/14/2000
5975492Bellows driver slot valve
A slot valve assembly (10) including a housing (11) having a central opening (19), a valve plate (32), a strongback (20) for carrying the valve plate, a pair of actuators (34, 36) for raising and lowering the strongback to position the valve plate over op...
11/02/1999
5944300Bag and box valve system
A valve system for a bag and box combination employs a fitment having an inner mounting flange secured to the inner surface of a bag and with a projecting portion projecting out through a hole in the bag and into a passageway in the outer container. A val...
08/31/1999
5683072Thin film forming equipment
A gate valve for a thin film forming apparatus. The gate valve includes two adjoining low-pressure chambers and a wall separating the two chambers. The wall includes an aperture and a thin plate for covering the aperture. The thin plate is movable in a di...
11/04/1997
5641149Gate valve
A gate valve including a valve disc which is moved to a position where the valve disc is brought into contact with a valve seat and a position where the valve disc is separated from the valve seat by a driving device provided outside of a valve housing th...
06/24/1997
5620165Retracting ring seal valve
A retracting ring seal valve is disclosed for adjustably restricting and permitting fluid flow in a two-direction fluid control system. In a particular embodiment the invention comprises a valve body that defines a central passage through which the fluid ...
04/15/1997
5547167Gate valve for fluidized particular material
A gate valve apparatus which includes a housing having a passageway defined therein for a fluent material, a generally planar gate, and apparatus for supporting the gate within the housing. The apparatus for supporting allows movement of the gate in oppos...
08/20/1996
5499648Sealing means for pressure relief valves and methods of assembly
A safety relief valve (12) for a pressure vessel (10) in which the main valve member (28) includes a valve plate or disc (52) and a retainer plate (64) having a flexible membrane or diaphragm (62) stretched therebetween in a taut relation to provide a fru...
03/19/1996
5029516Pneumatically powered valve actuator
An electronically controllable pneumatically powered valve actuating mechanism for use in an internal combustion engine is disclosed. The engine is of the type having engine intake and exhaust valves with elongated valve stems. The actuator has a power pi...
07/09/1991
5002255Non-sliding gate valve for high vacuum use
A non-sliding vacuum gate valve comprising a valve housing hermetically sealed to the outside, an opening formed in one of its side walls, and a valve body disposed within the valve housing and adapted to sealingly open or close the valve seat formed arou...
03/26/1991
4887792Stop-check valve
A stop-check valve includes inside a valve body a swing check valve disc and a contacting projection. A vertically mounted valve rod provided with a handwheel and having at the lower end a structure of a cylindrical contact portion is further included. Th...
12/19/1989
4838520Valve for a vacuum enclosure
A valve for a vacuum enclosure, the valve comprising a valve body (1) which is hollow about an axis Ɗ and which opens out to the outside via two opposite end openings (24, 25) of the valve body, thereby enabling the valve to be inserted in a pumping circ...
06/13/1989
4650151Subsea gate valve actuator with external manual override and drift adjustment
A hydraulically operated actuator for a sliding gate valve designed for use in a subsea environment. The actuator includes a manual override system that functions independently of the actuator's hydraulic piston and return spring, an externally accessible...
03/17/1987
4603835Shutter mechanism
A shutter mechanism which includes simultaneous translation of a shutter in two planes of motion prolongs the life of the sealing material of the shutter as well as ensures that, when open, an optical beam passes through a sample compartment without inter...
08/05/1986
4570670Valve
A gate valve with inlet and outlet body portions with annular valve seats thereon and a gate assembly movable between open and closed positions between said body portions and carrying sealing rings in opposite faces thereof adapted to be brought into seal...
02/18/1986
4535811Air flow control apparatus
An air flow control apparatus is disclosed which is characterized by essentially zero leakage in its closed position, and by minimal air resistance in its open position. The apparatus includes a housing having an interior framework which defines a plurali...
08/20/1985
4534540Gate valve
A gate valve having a casing, a seat, a gate having a tapered face made in the gate surface in the direction of its movement in the shut-off direction on the side opposite to the side facing toward the seat, a stop provided for engaging the tapered face o...
08/13/1985
4524796Sliding-gate valve for use with abrasive materials
The invention is a flow and pressure-sealing valve for use with abrasive solids. The valve embodies special features which provide for long, reliable operating lifetimes in solids-handling service. The valve includes upper and lower transversely slidable ...
06/25/1985
4421256Sliding gate valve having adjustable seal pressure
A sliding gate valve mechanism for use in teeming molten metal is provided with apparatus for accurately setting seal pressure between the valve plates and for adjusting the seal pressure during periods of valve operation. The invention enables such adjus...
12/20/1983
4220420Sealing means, primarily for a sluice gate
A sealing arrangement primarily for a sluice gate which comprises a frame and a door movable between an open position and a closed position in which it closes an opening in the frame and sealing faces of the door and the frame are in sealing engagement to...
09/02/1980
4219183Operating mechanism for valves, gates and the like
An operating mechanism for valves and the like comprises a housing with a port situated therein which is to be opened and closed. Associated with the port is a seat and a valve plate for closing the port. A rotatable shaft drive mechanism for the valve pl...
08/26/1980
4199086Closed loop track slide gate mechanism
The invention provides a slide gate mechanism for use on a pour vessel to control flow of molten metal through at least one outlet in the vessel shell, whereby refractory insert plates which are conveyed by said mechanism may be moved in very close cooper...
04/22/1980
4187965Box discharger comprising reloadable refractory plates, with wedge locking
A box discharger particularly suitable for ladles and the like, of the type comprising reloadable refractory plates and with a wedge locking system, which reduces the operation for positioning the tilting plate with respect to the stationary plate to the ...
02/12/1980
4157169Fluid operated gate valve for use with vacuum equipment
A gate valve for use with vacuum equipment is provided in which a gate assembly is opened and closed by a fluid operated device, such as a pneumatic cylinder. The gate assembly is enclosed in a valve housing. The valve housing has aligned openings therein...
06/05/1979
4132385Cam-lock water gate
A cam-lock water gate designed to control water flow from a pond, lake, field, canal or the like. A primary body member is provided with an aperture therethrough and a short section of pipe stub integral with the main body member and opening into said ape...
01/02/1979
4071221Isolation valve affording an absolute tightness towards the exterior and between the seat and the shutting member
An absolutely tight valve is disclosed, especially suitable for nuclear installations where safety is of paramount importance. The valve provides a tight seal by means of a wheel having a set of projecting spokes, the wheel being placed over the shutter d...
01/31/1978
4062515Compact gate valve
This invention relates to a double-disc gate valve which is compact, comparatively simple to construct, and capable of maintaining high closing pressures on the valve discs with low frictional forces. The valve casing includes axially aligned ports. Mount...
12/13/1977
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