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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7677266 | Compact manifolded fail safe hydraulic control system A manifolded fail-safe hydraulic control system provides fail-safe operation of a pipeline valve using no more than a total of 45 proprietary parts in the system. The system controls the operation of a spring return actuator, which in turn strokes the pipeline valve... | 03/16/2010 |
| 7370671 | Valve activation assembly which mechanically collapses a collapsible member in response to both overpressure and underpressure conditions A valve activation assembly which mechanically collapses a collapsible member, such as a buckling pin, in response to both overpressure and underpressure conditions of a pressurized fluid. A retention member retains the valve member in a selected position with respe... | 05/13/2008 |
| 7281443 | Manual control device Manual actuating device for the actuation of an appliance, subjected to a force in a direction opposite to the actuation direction, especially in the production of mineral oil or natural gas, such as a blowout preventer (BOP), valve, actuator, throttle or similar, w... | 10/16/2007 |
| 7283913 | Method of executing a leak control system, and a leak control system for performing the method The invention relates to a leak control system (1) in two-stringed pipe installations and a method of executing a leak control system comprising one stop valve (2) with an associated flow meter (3) arranged in the supply pipe (4) of the p... | 10/16/2007 |
| 7267413 | Control valve A configurable control valve for use with air brake systems is provided. This control valve includes: a first or top body portion, a second or bottom body portion, and a connector for attaching the first body portion to the second body portion. The first body portio... | 09/11/2007 |
| 7231842 | Actuating device An actuation device for adjusting a powered control device opposite the adjusting direction. The actuation device comprises an actuation element axially displaceable in a housing by a feed device at least in the adjusting direction. The actuation device includes an ... | 06/19/2007 |
| 7185668 | Closing device for fluid passage A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The val... | 03/06/2007 |
| 7165573 | Compressed natural gas pressure regulator A pressure-reducing regulator comprising a regulator body having an inlet port, an outlet port, and a flow path. A valve element is moved relative to a valve seat by a diaphragm assembly to control gas flow along the flow path. The regulator comprises one or more of... | 01/23/2007 |
| 7100700 | Downhole ball dropping apparatus A ball release mechanism is mounted near the intended seat. The ball or balls are kept out of the circulating stream. High circulation rates followed by curtailment of circulation places an outlet port in position to allow the ball or balls to be pushed out by a spr... | 09/05/2006 |
| 7044156 | Pipeline protection system A protection system for a pipeline comprises a hydraulically actuated valve operable to switchably prevent a flow of fluid from a first section of the pipeline to a second section of the pipeline, a hydraulic fluid source for supplying hydraulic fluid to said hydrau... | 05/16/2006 |
| 6907961 | Apparatus and method for retarding translation between two bodies A rod brake, and a method, including an elastic device, such as a coil spring, array of split rings, or an elastic sleeve, that engages one or more grooves in a cylindrical surface to restrain the rod from longitudinal movement relative to another body, and wherein ... | 06/21/2005 |
| 6799597 | Pressure control system which detects and abates overpressure and underpressure conditions in a pressurized fluid Apparatus for detecting and abating an overpressure condition and an underpressure condition in a pressurized fluid. A collapsible buckling pin is supported between a valve assembly and a control assembly. The control assembly comprises a retractable support member ... | 10/05/2004 |
| 6770062 | Automatic high negative pressure relief valve and chest drainage units using same Featured is an automatic high-negative pressure relief valve and its use in combination with an apparatus for draining fluid from a body. In broad terms the negative pressure relief valve includes a biasing mechanism, a moveable member acted upon by the biasing mech... | 08/03/2004 |
| 6763974 | Dual piston/poppet flow switch A dual piston/poppet valve in a fuel dispenser works with a two-stage valve to help eliminate errors from an inferential flow meter. When the two-stage valve opens partially, a secondary fuel path is opened in the dual piston/poppet valve. A sensor detects the openi... | 07/20/2004 |
| 6634375 | Leak arresting valve A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer poppet. A first spring is selected to bias the outer popp... | 10/21/2003 |
| 6412510 | Wellhead safety valve control system A wellhead safety valve control system for opening and closing subsurface and surface safety valves in a predetermined sequence and certain components used with such control system. Dump valves in both latching and non-latching configurations are utilized... | 07/02/2002 |
| 6173734 | Leak arresting mechanical flow control valve A mechanical leak arresting valve is disclosed in which fluid through the valve is limited to a range between a predetermined minimum flow rate and a predetermined maximum flow rate, and where both a small or large downstream leak mechanically causes the ... | 01/16/2001 |
| 6152167 | Valve actuator with emergency shutdown feature A valve actuator with an emergency shutdown feature incorporates shutdown of the valve when a sensed line pressure is outside of high- and low-pressure trip points. The actuator can be manually tripped. The actuator can be tripped in the event of a fire o... | 11/28/2000 |
| 6116268 | Wellhead safety valve control system A wellhead safety valve control system for opening and closing subsurface and surface safety valves in a predetermined sequence and certain components used with such control system. Dump valves in both latching and non-latching configurations are utilised... | 09/12/2000 |
| 5590685 | High-low indicator An indicator for a pilot, particularly a two-line pilot to visually indicate whether a pilot has responded to a pressure condition within a flowline which pressure condition is outside a predetermined range. The visual indication also indicates whether th... | 01/07/1997 |
| 5535777 | Gas flow safety assembly A gas flow safety valve assembly having a main housing of generally solid rigid construction with a main interior chamber divided into an upper compartment and a flow through compartment by a primary diaphragm. Further, the main housing includes an inlet ... | 07/16/1996 |
| 5341837 | Two line pilot valve A two line pilot valve used to exhaust hydraulic fluid from a control circuit when the operating conditions within which a flowline is intended to operate are outside of predetermined limits. The pilot exhausts fluid within a control circuit to a reservoi... | 08/30/1994 |
| 5313975 | Gas lockout system A propane gas distribution system according to the present invention substantially enhances safety by providing a gas lockout device within the enclosure containing the distribution lines to the propane appliances for closing off a gas distribution line i... | 05/24/1994 |
| 5291918 | Safety valve actuator assembly An emergency shut-down system to close a gate valve in a pipeline and therefore terminate flow. The closing action is initiated when a pilot valve senses pressure in the pipeline outside predetermined limits. This reduces the signal pressure in the system... | 03/08/1994 |
| 5261446 | Self-contained emergency shutdown valve The improved valve of the present invention is a self-contained emergency safety shutdown valve which does not require the attendance of an individual or an outside power source for its emergency shutdown. The valve illustrated is a gate valve with the ga... | 11/16/1993 |
| 5213133 | Pressure responsive pilot control valve A pressure responsive pilot control valve has a spool which is movable by a metal diaphragm sensing the pressure in a flowline. The spool includes two poppet seal rings mounted thereon, the poppet seal rings having concentric axes and which are used for o... | 05/25/1993 |
| 5070900 | Safety valve actuator assembly An emergency shut-down system to close a gate valve in a pipeline and therefore terminate flow. The closing action is initiated when a pilot valve senses pressure in the pipeline outside predetermined limits. This reduces the signal pressure in the system... | 12/10/1991 |
| 5007453 | Fluid flow control device A flow control device insertable into a pressurized fluid line upstream of the fluid utilization device for automatically terminating the flow thereto upon the occurrence of any one of a number of predetermined conditions, such as a leakage in or to the u... | 04/16/1991 |
| 4961560 | Two way latching trip valve A latching trip valve for opening and closing a safety device. The trip valve is operable manually and from the pressure of a pilot circuit which monitors the operating conditions of a pipeline. A floating seat is movable under the influence of a longitud... | 10/09/1990 |
| 4915613 | Method and apparatus for monitoring pressure sensors A method and apparatus monitor fuel pressure in a heating system where a controller controls actuation of fuel valves. A fuel pressure limit signal is provided to the controller for determining if the fuel pressure crosses predetermined thresholds. In ord... | 04/10/1990 |
| 4896698 | Pressure adjusting device for controlling liquid gas flow rate The device comprises a body consisting of a top half shell and a bottom half shell, coupled to one another through the interposition of a resilient membrane which defines a pressure control chamber and a pressure reducing and metering chamber, communicati... | 01/30/1990 |
| 4883087 | Central heating system and water system and method for controlling the tightness thereof In order to control the tightness of a central heating system (10, 11) which may be connected to a district heating system (1, 2), the system is provided with a flow meter (8, 9) and a valve (6, 7) in the flow (3) and return pipes (4), respectively. Hereb... | 11/28/1989 |
| 4817664 | Gas pressure regulator In a gas pressure regulator a switch valve is provided in a throttle nozzle between an inlet passage and a pressure sensing chamber containing a diaphragm controlling a lever arrangement. The pressure regulator is capable of both pressure reduction and au... | 04/04/1989 |
| 4768539 | Pipeline safety valve A surface pipeline safety valve having a tubular member telescopically movable in the housing for controlling the movement of a valve closure member, a rod piston and cylinder assembly contacting and moving the tubular member in response to pressure in th... | 09/06/1988 |
| 4618123 | Valve system for a hydraulically controlled starting friction clutch A valve system for a hydraulically controlled starting friction clutch for motor vehicles, a clutch pressure control valve that controls the clutch pressure as a function of the torque demand of the driver, a valve arrangement that modulates a pressure de... | 10/21/1986 |
| 4559970 | Pilot control relay valve apparatus An improved pilot control relay valve is disclosed to monitor pressure conditions in a pressurized system and to cause the system to shut down in response to detection of operating pressures excessive of an acceptable pressure range. Accurate monitoring i... | 12/24/1985 |
| 4550746 | Regulator for mounting on the outlet connection of a gas cylinder or like container The housing (5, 6) of the regulator contains a medium-pressure chamber (10) to which gas is supplied from the cylinder when a self-closing cylinder valve (2) is open and which communicates with the regulator outlet (14) through a further valve (b 13), and... | 11/05/1985 |
| 4535804 | Conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose A conduit-break valve for a double conduit (10, 11) has a pressure relief device (28) with a pilot controlled check valve (41, 42) with a control piston (37) which is actuated by the pressure in the space (26) between the double conduits (10, 11) and open... | 08/20/1985 |
| 4523602 | Pressure controller Disclosed is a pressure controller for sensing changes in a service pressure and controlling a control pressure in response to such changes. The pressure controller includes a valve body having a control inlet and a bleed outlet with a passage therebetwee... | 06/18/1985 |
| 4512370 | High and low pressure sensor A three position, high and low, block and bleed fluid pressure sensor, wherein a piston contained within a cylinder is urged in one direction by a fluctuating sensed fluid pressure and opposed by a single spring located within said cylinder housing. The c... | 04/23/1985 |
