| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 251004000 | TUBE COMPRESSORS | 50 |
| 20090189099 | PLATE CLAMP - A plate clamp where clamp resistance when a tube is slid from an insertion hole to a slit section is low, where clamping operation is easy, and where the tube being clamped at the slit section is less likely to unintentionally slide to the through-hole side. The clamp for a tube has the slit section for clamping and holding the tube at plate-like members, a tube lead-in section as a groove forwardly expanding from the forward end of the slit section, and the tube insertion hole continuously formed with the tube lead-in section. A stopper section is provided only on one side of the boundary between the tube lead-in section and the slit section. | 07-30-2009 |
| 20090314970 | Mechanically-Actuated Microfluidic Pinch Valve - A microfluidic pinch valve. The valve comprises a microfluidic channel defined in a compliant body; a valve sleeve defined by a section of the microfluidic channel, the valve sleeve having a membrane wall defining part of an outer surface of the body; a compression member for pinching the membrane wall against an opposed wall of the valve sleeve; and a thermal bend actuator for moving the compression member between a closed position in which the membrane wall is sealingly pinched against the opposed wall, and an open position in which the membrane wall is disengaged from the opposed wall. | 12-24-2009 |
| 20100117011 | DEVICE FOR STOPPING FLOW OF FLUID - A device for stopping a flow of fluid in a fixed length of tube with an actuator simple in construction is provided. The stopping device is free of direct touch with the fluid inside the tube, expected not to obstruct the flow in the tube as permitted as possible at normal condition, expected to perform both detection and control with a single device, and further invulnerable to kinds of fluids. The device for stopping a flow of fluid includes a tube holder to keep a tube in looped configuration, a movable part pressing the looped configuration of the tube. Pressing of the looped configuration of the tube make a snapped bent to stop the flow of fluid passed through the tube. Putting the movable part back into place results in the tube's returning from the configuration having the bent, allowing the fluid flowing again through the tube. | 05-13-2010 |
| 20100224802 | VALVE FOR A SURGICAL OR MEDICAL INSTRUMENT - A valve for surgical or medical instruments including: a passage that can be at least partially sealed by twisting a flexible section ( | 09-09-2010 |
| 20110001068 | HOSE VALVE FOR FEEDING FINE GRAINED MATERIAL - The tube valve is for the output of a finely granulated material preferably dry lime mud that maintains a level of dry matter content of 65-90%. The tube valve has an elastic inner tube arranged within a pressure chamber that surrounds the elastic inner tube. A tube valve is used as an outlet from the pressurized process. The tube valve has a minimum length that is twice a diameter of the tube. A column of lime mud can be held within it as a pressure lock. The column of lime mud can be caused to descend through the tube valve by controlling a difference in pressure between an inner surface and an outer surface of the tube such that the diameter of the tube expands essentially uniformly along its length by 5-10% or by at least 4-6 millimeters. | 01-06-2011 |
| 20110284776 | PINCHING CLOSED A COLLAPSIBLE TUBE FOR BIOPHARMACEUTICAL USE - The pinching device includes two cross-sections, each having a hollow part with a male indentation and a female indentation, and locking elements, whereby the surfaces of the indentations form a positive pinching passage of the tube; the male indentation has a U shape with a core and two wings; the female indentation has a U shape with a core and two wings; and the pinching passage has a U shape with a core and two wings; the two opposite wings will draw together toward their ends that are opposite to the cores of the indentations, and each of the two wings of the pinching passage has an opening whose width will diminish towards its end that is opposite to the core of the pinching passage; the width of the opening of the pinching passage is at most slightly smaller than twice the thickness of the wall of the flexible tube to be pinched, and, designed to constitute a pinching closing device, it is disposable, performing a function of closing the tube on itself in the pinching region, preventing any passage of fluid into the tube. | 11-24-2011 |
| 20120119121 | APPARATUS FOR REGULATING A VOLUME FLOW IN A HOSE - A clamp for regulating a volume flow in a plastic hose, having a housing for receiving the plastic hose having a predetermined flow cross-section and a wheel which is accommodated in a guide so as to be displaceably along a longitudinal direction. The plastic hose is arranged between the circumferential contour of the wheel and an inner surface of the housing such that in a first position of the wheel, the flow cross-section of the plastic hose is opened to the maximum, and in a second position the flow cross-section is closed in a fluid-tight manner. The housing is formed by a cover and a base, arranged displaceably in a direction relative to each other to enable the plastic hose to be inserted there between. | 05-17-2012 |
| 20120217424 | Sealing Tube - A sealing tube for a line conduit, in which the sealing tube can be held at its ends, which can be distorted in reference to each other about its longitudinal axis. Inside the sealing tube, several separate sealing elements are arranged, which extend over a small portion of the length of the sealing element. | 08-30-2012 |
| 20130026396 | HOLDING APPARATUS FOR HOLDING AT LEAST ONE TUBE CLAMP ON A MEDICAL TUBE, MEDICAL TUBE AS WELL AS METHOD FOR STERILIZING A MEDICAL TUBE - A holding apparatus for holding at least one tube clamp on a medical tube, the tube clamp including at least one, usually two, clamping section(s) for altering a luminal cross-section of a medical tube during use, includes at least one receiving structure for detachably receiving at least one section of the tube clamp. A medical tube with at least one holding apparatus as well as a method for sterilizing a medical tube are also described. | 01-31-2013 |
| 20130214184 | FLUID TRANSPORT APPARATUS, REPLACEMENT UNIT AND METHOD FOR MANUFACTURING REPLACEMENT UNIT - A fluid transport apparatus includes a main unit and a replacement unit that can be removably attached to the main unit. The replacement unit includes a tube for transporting a fluid, and a plurality of fingers for pressing against and occluding the tube, the plurality of fingers being arranged along the tube. The main unit includes a cam for pressing the plurality of fingers successively in a transport direction of the fluid. The tube, the plurality of fingers and the cam are arranged in a layered arrangement along a rotation axis direction of the cam. | 08-22-2013 |
| 20130320249 | DONOR TUBE SEALING HEAD WITH NON-TENSION TUBE SUPPORTS - A blood donor tube sealing apparatus includes a housing configured to house an electronic circuit configured to provide a radio frequency signal. The sealing apparatus further includes a sealing device coupled to the housing. The sealing device includes a movable sealing head and at least one movable tube support. The movable sealing head and movable tube support are configured to be moved into contact with a blood donor tube. The movable sealing head is powered by the radio frequency signal to seal the blood donor tube. | 12-05-2013 |
| 20140124687 | PINCH VALVE HAVING PIVOTABLY MOUNTED UPPER AND LOWER CASINGS - The present disclosure relates to a pinch valve having upper and lower casings respectively supporting upper and lower pinch elements. The upper and lower casings are adapted for receiving a sleeve. A synchronization mechanism drives movements of the upper and lower pinch elements for pinching the sleeve. The upper and lower casings are connected by a pivot allowing pivoting of one or the other of the upper and lower casings for opening of the pinch valve, and for ease of access to the sleeve for maintenance purposes. | 05-08-2014 |
| 20140158919 | Fast Attachment Open End Direct Mount Damper and Valve Actuator - An actuator assembly includes a housing, and a clamp disposed within the housing. The clamp is configured to attach the actuator assembly to a damper jackshaft or valve stem or valve linkage shaft. The jackshaft is operable to control the position of one or more damper blades. The valve stem and valve linkage shaft control the position of the valve plug. The clamp is accessible via a slotted opening which is unobstructed at one end. A motor is configured to rotate the clamping device within the housing. A control module is coupled to the motor and configured to control the damper or valve actuator assembly. In embodiments, a communications module facilitates communications to and from the damper actuator assembly over a network, and allows both remote monitoring of the damper and remote control of the damper actuator assembly or of the valve and remote control of the valve actuator assembly. | 06-12-2014 |
| 251005000 | Fluid pressure actuated | 7 |
| 20080302983 | Fluid control valve - A fluid control valve | 12-11-2008 |
| 20090140182 | Actuation mechanism for a convertible gas turbine propulsion system - An actuation mechanism for use in a convertible gas turbine propulsion system comprises a plenum, a pneumatically powered drive body and a spring system. The plenum receives pressurized air from the convertible gas turbine propulsion system. The pneumatically powered drive body is connected to the plenum to receive pressurized air to axially move the drive body in a first direction. The spring system is connected to the drive body to axially move the drive body in a second direction. | 06-04-2009 |
| 20090194716 | DEVICE FOR REGULATING THE FLOW OF A LIQUID - The present invention concerns a device for regulating the flow of a liquid used for the manufacture of ceramic products and which may be used in plants ( | 08-06-2009 |
| 20090302244 | SQUEEZE VALVE - A clamp valve is provided. A clamp valve or a squeeze valve may be straight-way valves, which include a tubular shut-off element, which is sometimes arranged in a tubular housing made of metal or plastic. The tubular shut-off element is either squeezed together mechanically or by an externally supplied foreign medium until the closed position is achieved. In one embodiment, a squeeze valve includes a first flexible tubular segment, the cross-section of which can be influenced by a first tube squeezing apparatus and a second flexible tubular segment, the cross-section of which can be changed by a second tube squeezing apparatus. The tube squeezing apparatuses may be controlled such that an opening process of the second tubular segment is executed at the same time as a closing process of the second tubular segment. | 12-10-2009 |
| 20100200782 | Microfabricated Elastomeric Valve And Pump Systems - A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the first elastomeric layer; forming a second elastomeric layer on top of a second micromachined mold, the second micromachined mold having a second raised protrusion which forms a second recess extending along a bottom surface of the second elastomeric layer; bonding the bottom surface of the second elastomeric layer onto a top surface of the first elastomeric layer such that a control channel forms in the second recess between the first and second elastomeric layers; and positioning the first elastomeric layer on top of a planar substrate such that a flow channel forms in the first recess between the first elastomeric layer and the planar substrate. | 08-12-2010 |
| 20110186757 | Filling Channel Opening and Closing Device for Liquid Product Filling Apparatus - A filling channel opening and closing device, which is used in a liquid product filling apparatus, including an opening and closing control unit that includes a flexible tube and a chamber enclosing the flexible tube in a gastight manner, a gas supply and exhaust means that collapses and restores the flexible tube by supplying pressurized gas into the chamber and exhausting the gas from the chamber, and a control means that controls the timing of supply and exhaust of the gas of the gas supply and exhaust means. | 08-04-2011 |
| 20140299798 | PINCH VALVE - A pneumatic pinch valve having a main body, a piston supporting a plunger, and a detachable headpiece for receiving a portion of compressible tubing between the plunger and a contoured surface of the headpiece is disclosed. A first safety cap which may restrict access to the plunger when the valve is operated and a manual override handle which may open the plunger are also provided. The pneumatic pinch valve is opened by the injection of gas through an air inlet port to a pneumatic chamber. The headpiece and plunger are configured to compress a portion of flexible tubing in a manner which reduces or eliminates damage to the tubing even after repeated open/close cycles. Further, the pinch valve may be installed onto an existing process system without disruption of fluid flow. Also disclosed is a manual version of the pinch valve. | 10-09-2014 |
| 251007000 | Perpendicularly reciprocating tube contacting element | 25 |
| 20080237509 | Piping Member - A piping device includes a body, a tube accommodated in the body and defining a flow passage, coupling members each having an insert portion, at one end thereof, to be inserted into the tube in a watertight state, a connecting portion at the other end thereof, and a flange portion at the central part thereof, and holding members each formed with a through hole at the central part thereof. The through hole of the holding member includes, at one end thereof, an expanded-diameter portion having a hole diameter larger than the remaining portion of the through hole. The insert portion of each of the coupling members is fitted into the expanded-diameter portion of the corresponding holding member with the tube passed through the through hole of the holding members and each of the insert portions of the coupling members inserted into each of the two ends of the tube, and the flange portion of each of the coupling members and the corresponding holding member pressed into contact with each other are fitted in a fitting groove formed on the body. | 10-02-2008 |
| 20090121166 | FLEXIBLE VALVE - A flexible valve that includes a flexible sleeve inserted in a fluid line and made with two circumferential folds, two opposite slides located between the folds displaceably in phase opposition and extending crosswise of the sleeve, and a mechanism for displacing the slides between open an closed positions. A sleeve section connects the two folds, and a closing section made on the sleeve section is supported by the slides. The flexible valve according to the invention has a longer service life and a shorter installation length than hitherto known. It is suitable for use as stop valve in the drain line from a toilet in a railway carriage, in which it can be continuously kept in the closed position without applying energy, and it is furthermore safeguarded against impurities getting out into and fouling the surrounding environment in the railway carriage. | 05-14-2009 |
| 20100127194 | CINCH VALVE - A cinch valve includes an upper plate having a first aperture; an orbital plate rotatable relative to the upper plate and having a second aperture substantially aligned with the first aperture; an actuator coupled to the orbital plate arranged to rotate the orbital plate between a first position and a second position; and a plurality of cables each having a flexible portion and each having a first end and a second end, wherein each first end is coupled to the upper plate and each second end is coupled to the orbital plate. Rotation of the orbital plate from the first position to the second position causes the plurality of cables to converge and form a woven closure in approximately the center of the second aperture. | 05-27-2010 |
| 20110297854 | VALVE FOR CONTROLLING A FLOW OF A FLUID THROUGH A FLUID CHANNEL, SYSTEM AND MULTIPLE-WAY VALVE - The invention relates to a valve for controlling a flow of a fluid through a fluid channel, comprising a tube of flexible material in which a section of a fluid channel is formed, a valve component assigned to the tube, a squeeze element, which is formed and configured on the valve component by pressing against an outside surface of the tube to control a flow of a fluid through the fluid channel, optionally up to the closing of the fluid channel, a guide section, which is formed on the valve component, and a guide assigned to the valve component, which cooperates with the guide section in a relative movement of the guide and valve components relative to one another in the longitudinal direction of the tube, such that the squeeze element is displaced in the relative movement, changing the pressure on the outside surface of the tube and thus changing the flow through the fluid channel. | 12-08-2011 |
| 20120032098 | Inline Aseptic Valve - Inline valve assembly having a body with an axial bore and guide slots extending in a direction perpendicular to the bore, a flexible tubular liner having an axially extending flow passageway with a generally cylindrical side wall disposed in and supported by the bore, throttling pins mounted in the guide slots in engagement with the side wall on opposite sides of the liner, and cam members rotatively mounted on the valve body for urging the pins together against the side wall to restrict flow through the passageway | 02-09-2012 |
| 20120068093 | Pinch Valve - A pinch valve has a pinch bar constructed and arranged to translate between two different positions when the pinch bar lies in any orientation. The pinch bar is comprised of two orthogonal legs, one of which extends through and rotates inside a hole formed into a body for the valve. Having the pinch bar rotatable enables the pinch bar to be rotated away from where it would open and close a flexible tube. | 03-22-2012 |
| 20120132835 | Control Valve for Pressure Reduction - A control valve for pressure reduction, in particular for liquids containing solids and having an inlet, an outlet and a channel between the inlet and outlet, wherethe channel is formed as an elastic through-flow channel with a free line cross section which can be reduced along its longitudinal axis over an extended line section. | 05-31-2012 |
| 20120313017 | BEVERAGE DISPENSING VALVE - A beverage dispensing valve includes a downspout assembly having a body having walls with a slot therein. The downspout assembly has a channel, an upper and a lower opening, with the slot in the channel between the upper and lower openings. The downspout assembly includes a lateral member typically extending laterally from the downspout assembly and engaging the wall adjacent the slot. A pinch member may partly enclosed within the lateral member and dimensioned to move partially through the slot. A handle and the pinch member moves the pinch member in and out of the slot. A coil spring may engage the lateral member and the pinch arm urging the pinch arm at least partially through the slot of the body. A flexible insert is dimensioned to tightly fit against the walls of the channel of the body, the insert having an open top and an open bottom. | 12-13-2012 |
| 20120326061 | Pinch Bar - A pinch bar for a pinch valve is comprised of a coil spring coupled to one end of an actuating rod. An opposite end of the rod is formed with, or is coupled to a device or surface, which applies a pinch force. The actuating rod slides through a fixed-in-place rod actuator. The rod actuator, spring and actuating rod thus provide a mechanism that applies a closing force inwardly, into or directed toward a cabinet attached to which is a valve body for the pinch bar and against which the pinch bar could exert a tube-closing force. | 12-27-2012 |
| 20130009079 | DEVICE FOR RADIALLY COMPRESSING AN ELASTIC LINE FOR A FLOWING MEDIUM - A device for radially compressing an elastic line for a flowing medium at a line point includes an insertion channel ( | 01-10-2013 |
| 20130119284 | PINCH VALVE - A pinch valve includes a spring disposed between a movable iron core of a solenoid and an end cover thereof, and which urges the movable iron core toward the side of a tube provided in a body. An elastic force of the spring is set to be smaller than a reactive force of the tube that is applied to a valve plug. In a non-excited state of the solenoid, the valve plug is pressed toward the solenoid by the reactive force of the tube, so as to enable a fluid to flow through a flow passage of the tube. Conversely, in an excited state of the solenoid, since an attractive force of the movable iron core toward the tube is added to the elastic force of the spring, the valve plug is pressed in opposition to the reactive force of the tube for thereby blocking the flow passage. | 05-16-2013 |
| 20130193355 | BALLOON SEALING AND DISPLAYING DEVICE - A balloon sealing and display device comprises a disk-like body member that includes a first sealing slit formed therein, extending from an open mouth inwardly to a closed end. The disk-like body member also includes a second sealing slit formed therein extending from an open mouth inwardly to a closed end. The closed end of the first sealing slit and the closed end of the second sealing slit are spaced apart from one another to define a neck wrap portion of the body member. The disk-like body member also includes a ribbon wrap portion. The balloon sealing and display device also includes a ribbon, having a first end and a second end defining a length thereof, having the first end secured to the body member. | 08-01-2013 |
| 20130248740 | CINCH VALVE WITH ELASTIC ELEMENTS - A cinch valve includes a first plate with a first aperture, an orbital plate with a second aperture that is substantially aligned with the first aperture. The first plate is arranged to rotate relative to the first plate between a first (open) position and a second (closed) position. The cinch valve includes multiple cables, each of which has a first end coupled to the first plate and a second end coupled to the orbital plate. Rotation of the orbital plate from the first position to the second position causes the plurality of cables to converge and form a woven closure. One or more elastic devices are arranged such that when the plurality of cables converges to form the woven closure, each elastic device urges a corresponding one of the cables in a direction that tends to open the woven closure. | 09-26-2013 |
| 20130277580 | PINCH VALVE - A pinch valve ( | 10-24-2013 |
| 20140070122 | CLAMP AND BLOOD BAG SYSTEM - A blood bag system includes a clamp installed in a flexible first tube. The clamp includes: a base section having a protrusion section, an opening/closing section having a pressing protrusion section that presses a side surface of the first tube, and a bent section that connects the base section and opening/closing section. The base section is provided with a pair of cutout sections opened to a side surface where the first tube can be inserted by interposing the protrusion section. The clamp is configured such that a portion of the first tube where the clamp is installed is bent while the clamp is released. | 03-13-2014 |
| 20140077107 | Pinch Valve - Proposed is a pinch valve ( | 03-20-2014 |
| 20140117261 | PINCH VALVE DEVICE - A pinch valve device which has a simple structure and can shut off a fluid is provided. Inside of a first valve housing ( | 05-01-2014 |
| 20140264100 | Pinch Valve - A pinch valve with an axially extending tube guide, a clamping jaw ( | 09-18-2014 |
| 20140339447 | PINCH VALVE - A part of an air tube having flexibility is surrounded by a casing, and the air tube inside the easing is pushed for deformation at a nearly right angle against the pipe axis by a male screw screwed to a female screw of the casing to change a cross sectional area of a passage inside the air tube. A first casing part and a second casing part are overlapped with each other, and openably connected by a hinge, and the overlap state of both the casing parts and is maintained by engaging a claw part with the hole. Opposite surfaces and of both the casing parts and are provided with support grooves and for supporting the outer peripheral surface of the air tube. | 11-20-2014 |
| 20150028233 | BEVERAGE DISPENSING VALVE - A beverage dispensing valve may include a downspout assembly having a body having walls with a slot therein, a channel, an upper and a lower opening, with the slot in the channel between the upper and lower openings. The downspout assembly may include a lateral member extending laterally from the downspout assembly and engaging the wall adjacent the slot. A pinch member may be partly enclosed within the lateral member and dimensioned to move partially through the slot. A handle and the pinch member may move the pinch member in and out of the slot. A coil spring may engage the lateral member and the pinch arm urging the pinch arm at least partially through the slot of the body. A flexible insert may be dimensioned to tightly fit against the walls of the channel of the body, the insert having an open top and an open bottom. | 01-29-2015 |
| 20160040804 | PINCH VALVE TUBE, METHOD FOR MANUFACTURING THE SAME, AND PINCH VALVE - A pinch valve tube includes a fluororubber tube, the entirety of which is formed integrally of fluororubber and having an internal cavity arranged as a flow passage for a fluid, and a crosslink density of the fluororubber forming an inner surface of the flow passage is made higher than an average crosslink density of the entirety. | 02-11-2016 |
| 251008000 | Screw actuated | 4 |
| 20120298891 | TUBE CONSTRICTION VALVE - A tube constriction valve has a valve body ( | 11-29-2012 |
| 20130313450 | TUBE CLAMPING AND CLOSING DEVICE - The present invention provides a tube clamping and closing device which includes a main body having a first end and a second end, and a retaining assembly having several kinds of work portions and disposed at the second end of the main body. The first end has a first clamping member extending laterally and having a threaded hole extending vertically. A blocking member is threadedly connected to the threaded hole and adapted for closing an opening of a tube. The work portions alternatively define a clamping space with the first clamping member and the main body. Whereby a single device of the present invention can be used for different kinds of tubes or multiport valves. The present invention has advantages of operating conveniently, carrying and putting away easily, saving space and costs, etc. | 11-28-2013 |
| 20150330516 | ADJUSTABLE CLAMP - The present discussion relates to tubing clamps and systems employing tubing clamps. In one example a tubing clamp can include generally elongate top and bottom clamp bars extending between a hinge end and a clamp end. The clamp bars can apply force to tubing extending there between while being adjusted to a parallel relationship to one another. | 11-19-2015 |
| 20160161004 | PINCH VALVE SYSTEMS AND METHODS - Disclosed are embodiments of a pinch valve assembly that can include a controller, an actuator assembly, the actuator assembly including a stepper motor, a leadscrew actuated by the stepper motor such that the leadscrew travels in a plurality of incremental linear steps, a piston coupled with the leadscrew such that relative movement of the leadscrew is transferred to the piston, a valve body, where the piston travels within a bore defined by the valve body, a slotted aperture formed in the valve body to retain at least a portion of tubing, and a pin where the piston and the pin are configured to pinch tubing therebetween such that flow within the tubing can be metered. | 06-09-2016 |
| 251009000 | Pivoting tube contacting element | 5 |
| 20080290303 | Leaf Clamp for Tubing - A leaf clamp for installation on tubing to control the flow of fluid therethrough, the leaf clamp comprising opposing rectilinear frameworks between which the tubing is threaded. A flexible leaf interconnects the opposing frameworks and extends generally parallel above the tubing positioned between the rectilinear frameworks. A snap-lever, generally L-shaped, is pivotally connected between the upper portions of the frameworks such that the shorter leg of the L-shaped lever is aligned with and engages the leaf member to urge it downwardly into engagement with the tubing as the longer leg of the L-shaped snap-lever is pivoted from a generally transverse “open” position to a generally parallel “closed” position. | 11-27-2008 |
| 20100096570 | Non-Reopening Locking Pinch Clamp For Tubing - A tube clamp having first and second opposed jaws ( | 04-22-2010 |
| 20110095212 | Electrically actuatable clamp - An electrically actuatable clamp for the clamping of hoses including an electric drive, two scissor levers which can be pivoted relative to one another about a pivot axis between an open position and a clamping position and which have respective clamping surfaces, and a translation device by means of which a movement of the electric drive can be translated into a movement of the scissor levers. | 04-28-2011 |
| 20120018654 | PINCH VALVES HAVING A MULTI-PIECE VALVE BODY TO RECEIVE FLEXIBLE TUBING - Pinch valves having a multi-piece valve body to receive flexible tubing are described herein. An example pinch valve includes a first body portion having a first recess and a second body portion having a second recess. The first body portion is movable relative to the second body portion. The first recess and the second recess define a passageway to receive a flexible tubing when the first body portion is coupled to the second body portion and the passageway is to retain the flexible tubing to prevent the flexible tubing from moving relative to the first and second body portions in an axial direction. | 01-26-2012 |
| 20130207008 | TUBING SQUEEZE-OFF APPARATUS HAVING TWO CRIMPING JAWS - A squeeze-off apparatus and method for at least partially locally interrupting the flow of a fluid in a resilient tube or pipe are described. Tubes may be accessed from a single direction, thereby eliminating the need for significant excavation around a buried tube. Squeeze-off is performed using a pair of jaws which close in a parallel manner, the closed distance between the jaws being adjustable depending on the wall thickness of the tubing, thereby permitting the tube to remain integral for at least one such crimping and release cycle. Embodiments of the squeeze-off apparatus may be locked in place once the tube is crimped, thereby permitting the flow to be reduced or shut off without continued application of force to the crimping jaws of the apparatus. | 08-15-2013 |
