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A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 8142939 | Fuel cell system and method for controlling fuel cell system In a fuel cell unit that generates electric power using fuel gas supplied via an anode gas passage and air supplied via a cathode gas passage, an anode-off gas passage is connected to the downstream side of the anode gas passage. An orifice is provided at the anode-... | 03/27/2012 |
| 7381035 | Piston pump with check shaft A pump for use with a dispensing unit of a liquid hot melt adhesive system, dispensing units including the pump, and a method of operating a pump for pumping a liquid like liquid hot melt adhesive. The pump has a piston movable within a pumping chamber for transferr... | 06/03/2008 |
| 7374409 | Reciprocating pump A suction passage (1) and a discharge passage (2) for a to-be-transferred fluid are disposed in a pump body (3). A bottomed cylindrical bellows (6) is integrally coupled to the axial rear side of the pump body to form a closed space (7... | 05/20/2008 |
| 7331323 | Lubricating oil supplying system for internal combustion engine A lubricating oil supplying system for an internal combustion engine includes a lubricating oil storage section for storing lubricating oil. A driven pump is driven by the internal combustion engine to suck the lubricating oil from the lubricating oil storage sectio... | 02/19/2008 |
| 7048521 | High pressure fuel supply pump with an intake valve member and a discharge valve member aligned along a plunger axis In a high pressure fuel supply pump, a housing is provided with a through-hole having a step. A plunger is slidably accommodated in the through-hole on an axial end side thereof. An intake valve member is positioned in the through-hole on an axially opposite side to... | 05/23/2006 |
| 6948920 | Toilet bowl and tank drainage device A hand held an portable pump has a housing with an inlet on the bottom and an outlet on its side. A central tube extends up from the housing and has a bulb attached at its end. An inlet gate is positioned proximate the inlet to operate between a closed position in w... | 09/27/2005 |
| 6736613 | Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor An acceleration fuel pump for use with a combustion engine carburetor is an integral part of the carburetor body and provides an additional flow of fuel to the fuel-and-air mixing passage of the carburetor during acceleration of the engine. The acceleration fuel pum... | 05/18/2004 |
| 6607366 | Variable clearance system for reciprocating compressors An unloader system is provided for a reciprocating gas compressor. The system includes an unloader valve assembly including a valve member controlling flow between compressor cylinder and a clearance bottle. Opening and closing of the valve member is cont... | 08/19/2003 |
| 6015130 | Leak-proof hydraulic device for supporting a barber's chair The hydraulic device for raising and lowering seat of the barber's chair has a main housing section and a lower section. A sliding plunger is slidably mounted in a sleeve extending between the lower section and the top cover of the main housing section. A... | 01/18/2000 |
| 5695325 | Synchronized unloader system and method for a gas compressor An unloader system is provided for a gas compressor including a cylinder, a piston reciprocably mounted in the cylinder, a crankshaft connected to the piston and suction and discharge valve assemblies, selectively communicating the cylinder with suction a... | 12/09/1997 |
| 4986728 | Fuel injection pump for internal combustion engines A fuel injection pump has a housing (3) with a flange (5) and a bore (40) in which are arranged a sleeve (2) and a pump piston (1). A valve body (4) with a hollow core space (20) is located in an axial end portion of the sleeve (2). The valve body (4) has... | 01/22/1991 |
| 4874301 | Fuel pumping apparatus A fuel pumping apparatus for supplying fuel to an internal combustion engine comprises a rotary distributor member mounting a pumping plunger slidable in a bore and moved inwardly to discharge fuel from the bore by cam lobes on the internal surface of a c... | 10/17/1989 |
| 4867242 | Method and apparatus for breaking gas lock in oil well pumps A gas lock breaker for oil well pumps includes a stationary barrel with a standing valve on the bottom, a reciprocating piston in the barrel with a traveling valve on the bottom of the piston, an unseating rod positioned above the standing valve and adapt... | 09/19/1989 |
| 4838866 | Liquid pump air release system Air entrained in a pumped liquid is released from a pumping chamber operated by a single piston and having an outlet passage controlled by a back-seating valve biased closed by a spring, when the piston near the end of its compression stroke causes positi... | 06/13/1989 |
| 4790726 | Reciprocatory piston and cylinder machine A reciprocatory piston and cylinder machine particularly suitable for use as a vacuum pump includes a cylinder (17), a cylindrical piston (16) relatively slidably reciprocable within the cylinder (17), and means for substantially sealing the annular space... | 12/13/1988 |
| 4784584 | Metering device The metering device for a liquid medium comprises a cylinder and a piston operatively disposed therein to define a metering chamber ahead of the piston. The outlet end of the cylinder is open and closed by check valve means. The piston is driven forwardly... | 11/15/1988 |
| 4784578 | Metering device The metering device for a liquid medium comprises a cylinder and a piston operatively disposed therein to define a metering chamber ahead of the piston. The outlet end of the cylinder is open and closed by check valve means. The piston is driven forwardly... | 11/15/1988 |
| 4747760 | Hand-actuatable pump for feed pumps of fuel injection systems for internal combustion engines A pump for feed-pumps of fuel injection systems for internal combustion engines having a manually actuatable element, which operates counter to the force of a restoring spring to effect an inward stroke of a piston which includes a valve tappet thereon th... | 05/31/1988 |
| 4735048 | Hydraulic tool The hydraulic tool of this invention includes a pressure chamber into which a fluid is pumped. A pump chamber has an inlet port and outlet port at opposite ends thereof and a pump plunger extends into the chamber with an annular space around it. An annula... | 04/05/1988 |
| 4699572 | Reciprocatory piston and cylinder machine A reciprocatory piston and cylinder machine particularly suitable for use as a vacuum pump includes a cylinder (17), a cylindrical piston (16) relatively slidably reciprocable within the cylinder (17), and means for substantially sealing the annular space... | 10/13/1987 |
| 4487340 | Adjustable metering oil pump A reciprocating pump for delivering cutting fluid to the machining situs between a tool and a workpiece includes a collapsible piston which forms a substantial seal in the pump during the power stroke and then collapses during the relaxation stroke to all... | 12/11/1984 |
| 4453931 | Intravenous metering device A device for precise metering of liquids for intravenous delivery to a patient, the device including a pumping chamber with a reciprocable diaphragm positioned therein. The device also includes valves positioned at the pumping chamber inlet and outlet, th... | 06/12/1984 |
| 4453932 | Intravenous metering device A device for precise metering of liquids for intravenous delivery to a patient, the device including a pumping chamber with a reciprocable diaphragm positioned therein. The device also includes check valves positioned at the pumping chamber inlet and outl... | 06/12/1984 |
| 4372047 | Dispensing means for sapling control substance connected with a land clearing saw In connection with a land clearing saw, a sapling control substance dispensing device comprising a container for the sapling control substance, a control substance nozzle and a control substance duct leading from the container to the nozzle, this duct inc... | 02/08/1983 |
| 4362478 | Bypass valve for sucker rod pumps A pipe section with an exteriorally secured valve body is arranged to be inserted in a lower portion of a well pipe string containing sucker rods and a lower pump, the pipe section and valve body being disposed slightly above the pump itself. A lateral pi... | 12/07/1982 |
| 4166715 | Oil well pumping tube drain device A specially designed valve is incorporated in the pumping tube of an oil well pump secured to the lower end of an oil well pipe string. In pumping the well, oil is drawn up through the pumping tube and oil pipe string to the surface. The check valve is ar... | 09/04/1979 |
| 4159105 | Shock absorber with adjustable spring load A device for modifying a shock absorber so that the preload of the shock absorber spring may be adjusted. The device has a chamber member having a cylindrical inner member with an inside diameter slightly larger than the outside diameter of the shock abso... | 06/26/1979 |
| 4130991 | Hydraulic pumps An hydraulic pump comprising a plunger slidingly located within a housing. A first valve is adapted to allow fluid to be drawn from a reservoir into the housing during movement of the plunger in one direction, and a second valve is adapted to allow fluid ... | 12/26/1978 |
| 4021153 | Liquid metering pumps This invention relates to liquid metering pumps and according to the invention such a pump comprises a cylinder permanently connected to an inlet passage for the liquid and in which said cylinder a plunger piston is arranged to slide said piston co-operat... | 05/03/1977 |
| 3999898 | Automatic pressure valve intended for compressors An automatic pressure valve primarily intended for use in compressors comprising a closing element in the form of a plate, a valve seat with a valve seat face, springs and a stop, the closing plate being so situated in the closed state of the valve that t... | 12/28/1976 |
