Abstract: A foot rest including: a foot receptacle, the foot receptacle including a first portion and a second portion, and wherein the first portion intersects the second portion; a cross-member disposed on a first side of the first portion; and a bucket connector disposed on the first side of the first portion of the foot receptacle, wherein the cross-member is proximate an end of the first portion and the bucket connector is distal to the end of the first portion.

Abstract: Arrangements for connecting a fluid carrying tube to a peristaltic pump and/or a patient are disclosed. In some aspects, the disclosure provides arrangements that prevent the misloading of a tube in a peristaltic pump and/or misconnection of a tube to the patient that may cause a peristaltic pump to pump fluid in an undesired direction (e.g., unintentionally into or out of a patient). Tubing securing clip arrangements are disclosed as well as kits comprising tubing and clips. Other embodiments are disclosed.

Abstract: The invention provides a drive mechanism for an autoinjector, configured to be coupled to a drug containing portion to form a complete autoinjector, the drive mechanism comprising: a housing (20); a drive means coupled to the housing, the drive means comprising a resilient member (22); a retaining means coupled to the housing, the retaining means (60) engaging the drive means in a first position to retain the resilient member in a deformed condition, and releasing the drive means in a second position; and a coupling means (24) for coupling with a drug containing portion (10). The drug containing portion retains the drive means in a second deformed condition when the retaining means is in the second position, the drive means storing enough energy in the second deformed condition to drive needle insertion and/or drug delivery.

Abstract: A filter head for a screw-on filter element has a filter head body and a coupling section that is supported on the filter head body so as to be rotatable about a longitudinal axis of the filter head body. The coupling section has at least one first receptacle that receives a blocking element of a mounting device connected to a filter element. The blocking element is inserted in a direction of the longitudinal axis of the filter head into the first receptacle. The blocking element, when inserted in the first receptacle, blocks a rotation of the coupling section relative to the filter head body so that the filter element can be screw-connected to the filter head.

Abstract: Apparatus for attaching discrete segments together to form a continuous web include a first segment transfer device adapted to receive a first continuous web at a first pick-up location and to release a first discrete segment cut from the first web at an application location. The first segment transfer device has a first speed profile. A second segment transfer device is adapted to receive a second continuous web at a second pick-up location and to release a second discrete segment cut from the second web at the application location such that the second discrete segment is attached to the first discrete segment. The second segment transfer device has a second speed profile that is different than the first speed profile.

Abstract: An autoinjector includes a rear body assembly (10) connected to a front body assembly, wherein the rear body assembly (10) contains a drive mechanism (60 . . . ) and the front body assembly contains a syringe (13) or cartridge with a needle at its forward end, the front body assembly including a viewing window (22) through which at least part of the contents of the syringe (13) or cartridge are visible, a removable cap (14) fitted to the forward end of the front body assembly the rear body assembly and the removable cap having respective aligned cut-away regions together defining a frame for the viewing window. Also disclosed is a modular scheme which uses a common platform for the provision of a range of autoinjectors of different fill volumes, with only the length of the plunger (60), and the axial extent of the cut out varying between different versions.

Abstract: A kit (100) for constructing a support surface (10) for a sleeping person. The kit (100) comprises: an air-permeable layer (20) having at least one pair of opposing layer-edge portions stretchable at least in the direction between the layer-edge portions (11, 12, 13, 14) to form the support surface; at least one pair of parallel opposing frame sections (30, 32, 34, 36) fixedly disposable at a distance therebetween for forming at least a portion of a frame (15) supporting the support surface; at least a first of said frame sections (30, 32, 34, 36) comprising a layer-edge engaging portion (31, 33, 35, 37) configured for fixedly engaging a corresponding layer-edge portion (11, 12, 13, 14); and a tensioning mechanism configured for moving the layer-edge engaging portion (31, 33, 35, 37) together with the layer-edge portion (11, 12, 13, 14) relative to the opposing frame section (30, 32, 34, 36) to at least partially tension the air-permeable layer (20) between the frame sections (30, 32, 34, 36).

Abstract: System and method for manufacturing an apparatus for measuring shear strength and viscosity of sediments that extends both the maximum rotational rate attainable and the maximum torque sustainable, and includes a high data acquisition rate and data storage. The apparatus can accurately measure, for example, but not limited to, peak, evolution, and residual values of the undrained shear strength, yield, and viscous and plastic flow (including hardening and softening) characteristics of cohesive sediments at various pre-set and variable values of the rotational velocity of the vane sensor.

Abstract: An annular seal assembling jig 1 is used when assembling an annular seal 3 to a spherical body 2 of a ball joint. The jig 1 is equipped with a plurality of split tables 7 which constitutes one table 6, a slider 5 fixed to the split table 7 and is capable of sliding freely along a guide rail 5a, a coil spring 82 which biases the slider 5 to the other split table 7 side, and a claw portion 72a provided to each split table 7, so as to catch the annular seal 3 placed on the table 6, from an inner side of the annular seal 3.

Abstract: In certain embodiments, a fence system includes a rail having a first surface having one or more apertures. The rail also includes second and third surfaces opposing one another, the first, second, and third surfaces of the rail forming a channel. The second surface and the third surface of the rail have first and second lips, respectively, the first and second lips extending into the channel. The fence system section also includes one or more pickets inserted through corresponding apertures of the first surface of the rail. Each picket has a first connection region located substantially in the channel formed by the first, second, and third surfaces of the rail such that the first connection region is substantially prevented from passing through the corresponding aperture in the first surface of the rail or between the opening defined by the first and second lips of the rail.

Abstract: The subject matter discloses a key generator, the key generator comprising a key cylinder; wherein the key cylinder comprises a bay, wherein the bay being adapted for accommodating a metal element; wherein the metal element a having a plurality of gullies; thereby providing a key formation by rotating the cylinder for finding a gulley from said plurality of gullies wherein said gully having a desired depth, wherein said key generator being adapted for fitting a pin piece into holes of said metal element thereby, coupling pieces of said metal element in a key array.

Abstract: Technologies are generally described for providing inductively removable assembly bonding. Inductive elements may be placed strategically at bonding locations between two or more coupled components. At disassembly time, the elements may be heated through Radio Frequency (RF) energy causing the bonds to break and components to separate. For example, inductive elements placed near plastic stake bonds between dissimilar materials in an electronic device may be employed to separate the dissimilar materials during a recycling process. According to some examples, the elements may also be heated through a directly applied electric current via a network of connections designed into the assembly.

Abstract: This invention relates to a uniquely shaped upright support post to which various components and attachments may be affixed in a multiple of directions. The rolled steel, open T shaped upright support post creates 7 vertical column faces, accommodating 8 fixing points and utilises 4 different slot shapes. This patent application is not applying for the various possible attachments, only the post design, multiple points and method of attachment. The flexibility of the post design allows users to interact in different ways with various materials to create a framework to form cabinets, shelf units, racking, work benches, work tables in either freestanding, fixed or mobile formats.

Abstract: A duct section can be assembled from duct pieces without lifting or turning the duct pieces during assembly. For example, a duct assembler is provided to hold the duct pieces at an ergonomic working height. The duct assembler includes a frame, a mast, a carriage, and tines protruding horizontally from the carriage. The mast is vertically extensible to raise and lower the tines, so as to select a working height. Moreover, the mast can be vertically extensible to raise an assembled duct section into position for installation. A non-contact positioning system and an integrated computer may be provided to aid a worker in preparing and positioning the duct section.

Abstract: A system for constructing wall panels comprising a plurality of structural members includes: a source of structural members of predetermined size; a horizontal table configured to support planks as they are being formed into a wall panel, the table including a stationary section and a movable carriage that is configured to move in a longitudinal direction toward and away from the stationary section; an articulated arm unit having a gripper, the articulating arm unit positioned to retrieve boards from the source with the gripper and place them on the table; at least one first clamping unit mounted to the stationary section for clamping structural members thereto; at least one second clamping unit mounted to the movable carriage for clamping structural members thereto; and a controller that controls the movement of the articulating arm unit and the movable carriage.

Abstract: A method of repairing a microchannel heat exchanger includes identifying a damaged region of a microchannel tube, providing sealant to at least one of the microchannel tube and a patch, and disposing the patch relative to the microchannel tube so that the sealant forms a fluid tight boundary between the microchannel tube and the patch, wherein the fluid tight boundary circumscribes the damaged region.

Abstract: Disclosed herein is a device for tracking the position of a freshwater-saltwater interface of underground water in the coastal area. The device includes a buoyancy adjustment unit which comprises a pipe that has an internal space and is closed on a lower end thereof, a sealing cap which is removably coupled to an upper end of the buoyancy adjustment unit, a variable metal member which is attached to the sealing cap, a cordless measurement sensor which is provided under the lower end of the buoyancy adjustment unit, and a perforated pipe which is coupled to the lower end of the buoyancy adjustment unit and covers the cordless measurement sensor. Distilled water is supplied into the buoyancy adjustment unit, and a buoyancy of the buoyancy adjustment unit is adjusted depending on the amount of distilled water.

Abstract: A method for reinforcing, baffling or sealing a vehicle structure, comprising the steps of providing one or more materials having a horizontal axis, at least one terminating edge, and an initial length, forming openings in the one or more materials, and applying the one or more materials to location requiring reinforcement, baffling, sealing or any combination thereof.

Abstract: Provided is a miniature pin extracting device for extracting a miniature pin inserted into a part. The miniature pin extracting device includes a coupling having a polygonal pillar shape, the coupling having a lower end coupled to the locating pin, a retainer mounted outside the coupling, and a screw part supported by the retainer, the screw part being coupled to an upper end of the coupling. Thus, a rotation force of the screw part may be converted into a vertical axial motion through the retainer to safely extract the locating pin without lateral force and rotation, thereby minimizing damage of the part.

Abstract: A breathing protector for a tracheostoma is provided. The breathing protector comprises an inlet and an outlet, such that an air flow in use will pass from the surroundings of the user through said inlet to said outlet, into trachea of said user. Further, it comprises a filter housing, said filter housing comprising an inner housing part, an outer housing part, and a filter body. The inner housing part, comprising the outlet, a tracheal tube fitting and a support structure extends longitudinally and distally from the tracheal tube fitting. A base plate is arranged in a proximal zone of the tracheal tube fitting, said base plate extending radially outwards from the tracheal tube fitting. The outer housing par, comprising the inlet, forms a cage enclosing the support structure. The filter body is arranged between the support structure and the outer housing part. An assembly tool and an assembly method thereof are also provided.

Abstract: A process for manufacturing a fabric pressure sensor comprises cutting a sensing fabric to a pre-determined size, connecting a flexible electric wire with a wire of the sensing fabric by sewing, fixing the sensing fabric by means of a clamping positioner at a pre-determined tension, bonding a lower conversion layer with the sensing fabric by means of a lower conversion layer positioning box, bonding an adjustable column with the sensing fabric by means of an upper conversion layer positioning box, and bonding the upper conversion layer with the adjustable column by means of the upper conversion layer positioning box. A tool for manufacturing the sensor comprises an electrical property measuring device, a wire connecting tool, and a sensor structural component assembling tool. The present invention provides an easy and convenient way of manufacturing a fabric pressure sensor, monitoring the quality of manufacture, and enhancing the manufacturing precision and product yield.

Abstract: A stack of disk-like articles or can ends are transferred in an elongated tubular paper bag supported between opposing shoes, and the bag is removed from the stack by pulling the bag longitudinally or upwardly after a slitting knife blade moves or pivots from a retracted position to an extended position to pierce the bag and to slit the bag progressively and longitudinally. A stream or jet of air is directed against the end or top article in the stack to prevent the articles from moving with the bag or being flipped over in response to pulling the bag from the stack. Preferably, the air jet is directed from an air supply tube attached to the knife blade for movement with the blade between the retracted position and the extended position. The knife blade is shaped like a hawk beak and has a pointed tip and an arcuate knife edge.

Abstract: An improved print head mounting and adjusting mechanism for inkjet printers. The mechanism include multi-bottom bracket, multi-top bracket and a base plate, the bottom bracket is used to provide accurate movement adjustment on the Y-axis direction, the top bracket is used to provide accurate rotation adjustment around the Z-axis direction, wherein also include a head mounting bracket for installing print head, then the head mounting bracket is mounted on the bottom bracket. The print head and the adjustment mechanism are two separate parts, so exchanging or adjusting it will not damage the print heads. Remounting a print head requires a slight adjustment to reach the desired position reducing labor intensity and making for easier maintenance to the print heads.

Abstract: This assembling and disassembling device for a compressor has a substantially cylindrical bundle that is received insertably and removably on an inner circumferential surface of a substantially tubular compressor casing that is mounted horizontally and further includes: a plate-like member that is provided on an axial end portion of the bundle at an opposite side of an insertion direction so as to protrude outward in the radial direction of the bundle and a threaded-rod member that inserts and removes the bundle connected to the plate-like member into and from the compressor casing by being screwed into a threaded hole provided in the plate-like member and being rotated.

Abstract: The present invention relates to an apparatus and method for securing a box cover to a watthour meter socket box. In certain embodiments, the apparatus has a clamping member that fits over a wall of a meter box, and a lock housing that locks to the clamping member after a box cover has been installed, thereby securing the cover to the box in a manner such that the box cover cannot be installed unless the clamping member has been installed correctly. In various other embodiments, the clamping member consists of a clamp disposed between a clamp actuating member and a fastening shelf. In various other embodiments, the clamp includes a stopping member for indicating when the clamp actuating member is actuated into a fully secured position. Other embodiments relate to a locking bracket and a lock housing wherein the locking bracket generally comprises a clamping member and a fastening lever that attaches to a wall of a meter box base.

Abstract: An assembly and method of sealing a junction of a pipe and a second structure are provided. The assembly includes a pipe liner having a tubular portion and a brim portion, and a mechanical anchor adapted to secure the brim portion of the pipe liner to the second structure. The assembly may further include a compression gasket for placement between the pipe liner and the pipe or second structure. The compression gasket may comprise a hydrophilic material, a hydrophobic material, or a compressible material. The methods of using the assembly include, but are not limited to, the use of a cured-in-place pipe liner.

Abstract: A spray nozzle for applying a medicinal agent to a tissue. The spray nozzle comprising a tip housing and a valve. The tip housing has a distal end, a proximal end, and a lumen that extends between the ends and defines a lengthwise central axis. The valve has an elongated body that extends through the lumen of the tip housing, along the lengthwise central axis. The valve, being configured to slide within the lumen of the tip housing, in an extended position with respect therewith is configured to disperse the medicinal agent toward the tissue. When the valve is in the retracted position with respect to the tip housing, the medicinal agent is vented away from the tissue.

Abstract: This application discloses a bracket device used for mounting outdoor solar lighting on various types of surfaces, including but not limited to block walls, chain link fences, wooden fences and flat walls or for holding outdoor solar lighting devices as stand-alone fixtures.

Abstract: A track replacement apparatus including a lower lifting device and an upper tensioning device coupled to the lower lifting device.

Abstract: A breathing protector may include an inlet and an outlet, wherein an air flow may be configured to pass from the inlet to the outlet into a trachea. A filter housing may include an inner housing part, an outer housing part, and a filter body. The inner housing party may include the outlet, a tracheal tube fitting and a support structure extending longitudinally and distally from the tracheal tube fitting. A base plate may be arranged in a proximal zone of the tracheal tube fitting and extend radially outwards from the tracheal tube fitting. The outer housing part may include the inlet and form a cage enclosing the support structure. The filter body may be arranged between the support structure and the outer housing part.

Abstract: An insertion/extraction system and method for a compressor casing and a compressor bundle. The system includes a cradle extending from a first axial end of the compressor casing and configured to provide support for the compressor bundle during insertion, and an extension assembly coupled to a first axial end of the compressor bundle and extending therefrom into the compressor casing during insertion of the compressor bundle into the compressor casing, during extraction of the compressor bundle from the compressor casing, or both. The system further includes a support member that engages the extension assembly and the compressor casing to support the first axial end of the compressor bundle via the extension assembly, the support member configured to allow relative movement between the support member and the extension assembly during insertion of the compressor bundle into the compressor casing, extraction of the compressor bundle from the compressor casing, or both.

Abstract: An apparatus for installing a turbine casing including a first drive subassembly and a member coupled to the first drive subassembly configured for engaging a first segment of the turbine casing. The apparatus may also include a second member coupled to the second drive subassembly configured for engaging the first segment of the turbine casing. The apparatus may be provided with a first retainer connected to the first member and configured for engaging a second segment of the turbine casing, and a second retainer connected to the second member and configured for engaging the second segment of the turbine casing.

Abstract: A method and device for in-line injecting of flocculent agent into a fluid flow of mature fine tailings (MFT). The method includes the steps of: a) providing a fluid flow of mature fine tailings to be treated along a given channel fluidly connected to the pipeline; b) providing a source of flocculating agent; and c) introducing flocculating agent inside the fluid flow of mature fine tailings via a plurality of injection outlets for injecting the flocculating agent into the fluid flow in a dispersed manner so as to increase an exposed surface area of the injected flocculating agent and thus increase a corresponding reaction with the mature fine tailings, for an improved flocculation of said mature fine tailings, and/or other desired end results. Also disclosed is a kit with corresponding components for assembling the in-line injection device to be connected in-line with the pipeline carrying the mature fine tailings to be treated.

Abstract: A plunger installation tool that exerts a force on a plunger for a reciprocating pump to install the plunger into a pump cylinder opening. Maintenance of the pump typically includes repacking of the packing that surrounds the plunger and revalving of the pump's inlet and outlet valve. To allow repacking or revalving, the pump is disassembled and the plunger is removed. The plunger installation tool threads onto the pump cylinder opening to provide a reaction point for a threaded rod that is driven at one end by a driver and engages the plunger at an opposite end during installation to push the plunger into the cylinder opening without the use of hammers by personnel.

Abstract: An absorber tube for solar collectors is provided. The absorber tube comprises a metal tube for carrying and heating a heat transfer medium, a sleeve tube enclosing the metal tube for forming an annular space that can be evacuated, a first container disposed in the annular space and filled with protective gas, an outer ring, and a transition element enclosing the metal tube for sealing off the annular space. The first container includes an outlet opening closed by a closure material, which releases the outlet opening under external actuation for introducing the protective gas into the annular space. The external actuation is applied by an opening unit that is activated for releasing the outlet openings. The first container is fixed in the annular space by a retaining device, which is on the outer ring and/or on the transition element.

Abstract: A fastening method and apparatus (9) comprising using a control apparatus to select a first upsetting volume of an upsetting die, using a punch to push a first fastener into a workpiece and using the upsetting die to upset the first fastener, then using the control apparatus to select a second upsetting volume of the upsetting die, using the punch to push a second fastener into a workpiece and using the upsetting die to upset the second fastener, or using the punch and the upsetting die to form a clinch joint.

Abstract: An auxiliary member for assembly/disassembly includes a fixing portion which is fixed to one half casing of a lower half casing and an upper half casing, and a jack receiving portion which extends from the fixing portion and faces an outer surface of the other half casing. When an interval between both end portions in the radial direction of the upper half casing is widened due to heat deformation, the fixing portion of the auxiliary member for assembly/disassembly is fixed to the lower half casing, a jack is disposed between the jack receiving portion of the auxiliary member for assembly/disassembly and the outer surface of the upper half casing, and the interval between both end portions of the jack is widened.

Abstract: This document discloses novel conduits for telecommunications lines, such as optical fibers. In an aspect, a conduit might have a body defining one or more channels into which optical fibers can be inserted. In another aspect, the body might have a first face that is substantially planar and a second face opposing the first face. The second face might a low-rise arc profile and/or might be configured to be installed into a depression in a material. Also disclosed are methods and tools for installing, using, and/or removing such conduit.

Abstract: An apparatus for removal of fasteners. The apparatus comprises a motor, a rotary drive shaft, a striker mechanism operable to convert rotary motion into reciprocating linear motion and a reciprocating shear blade shaped and sized to shear off fasteners or split materials.

Abstract: This application describes an athletic activity transition device for use during multi-activity athletic events (to include decathlons, duathlons, biathlons, x-terra and other multi sporting activities that require transitioning between the various sporting activities) to minimize the time expended by an athlete during transitions from one athletic activity to the next. The disclosure is directed specifically to the device's blades which are used to carry athletic gear—specifically shoes, and are designed to be oriented in such a way to facilitate quick and efficient access to the gear when transitioning between athletic activities. The athletic activity transition device further provides a stable platform on which the athlete can sit during the changing process, thus allowing a brief rest period and saving time and energy otherwise wasted while trying to balance changing shoes and other gear in a standing position.

Abstract: A fluid turbine comprises a rotor rotatable in use about an axis transverse to the direction of fluid flow, the rotor having a first part carrying a plurality of arcuate blades that may be arranged selectably in compact straight shapes or in arcuate shapes and a second part journalled in a base structure by two or more bearings. Another aspect of the invention discloses an installation frame, devised to support the turbine or other elongated structures in a folded arrangement for transportation on a trailer, and to support assembly and erection thereof.

Abstract: Assembling blow molded parts to form cantilevered structures incorporating a joint among three blow molded parts. A joint incorporates connector components from each part. One part comprises a cantilever, and has a tab with a through hole disposed substantially at the fixed end. The other two parts are assembled using a barbed post-and-hole joint, such that the post is inserted through the hole in the tab. The tab acts in tension at an angle to oppose the moment and shear generated by the weight of the cantilever. Other aspects of the invention include an additional dovetail joint connecting the cantilever part and the other part or parts, The dovetail joint may be blind, and may contribute to supporting the weight of, as well as opposing the moment and shear.

Abstract: A method for mounting components, in particular terminal blocks, on a supporting rail, wherein the components are removed from at least one magazine by means of a first device, which comprises a receptacle for the components and moves automatically to and fro between a starting position and an end position, and are plugged onto the supporting rail, which is held in a first mounting position by a second device, includes the second device automatically transferring the supporting rail into a second mounting position after one of the components has been plugged on and a further component, which is arranged next to said component in the longitudinal direction of the supporting rail when the latter is in the fully equipped state, is plugged onto the supporting rail held in the second mounting position, in an analogous manner to the component.

Abstract: A secure and integrated matching of a consumer product box of dissimilar shapes and characteristics to a receiving holder from a moving environmental surroundings, can include a connector configured to selectively connect and position at least one wall from said the box to link with the receiving holder. In a preferred embodiment, the present method and apparatus is suitable for holding a tissue box of any shape in a cup holder of any shape in a vehicle, for example a car.

Abstract: The easy bilge is designed to make the replacement or installation of bilge pumps or other instruments in tight spaces easy to achieve. The bilge pump or other device is fastened to the assembly arm which is fastened to the mounting plate. The mounting plate is in turn epoxied to the interior hull of the boat. This makes it so the assembly arm can be removed at any time to replace any instrument or pump and be reinserted with little or no effort.

Abstract: A system for removing a stator vane includes a platform, a cutting tool connected to the platform, and a sliding connection between the cutting tool and the platform. The system further includes means for advancing the cutting tool with respect to the platform. A method for removing a stator vane includes positioning a platform inside a casing that surrounds at least a portion of the stator vane. The method further includes pivoting a cutting tool with respect to the platform, sliding the cutting tool in a plane with respect to the stator vane, and cutting the stator vane with the cutting tool.

Abstract: Exemplary systems and methods for loading a pre-curved electrode array onto a straightening member are described herein. An exemplary system may include a loading tool including a housing and a slider member disposed at least partially within the housing. The slider member may be slidable from a first position to a second position and configured to move a pre-curved electrode array from a curved configuration to a straightened configuration as it slides from the first position to the second position. The exemplary system may also include a straightening member configured to be inserted into the pre-curved electrode array. Corresponding methods are also described.

Abstract: The present invention relates to a device and a method for in-situ treatment of turbine blades/vanes of a gas turbine, with the treatment device being insertable into a combustion chamber of the gas turbine via at least one access aperture and placeable on cooling-air recesses of the turbine blades, with the treatment device at its end including a tool head with at least one tool and at least one jet nozzle, with the jet nozzle being connected to a medium hose for externally supplying a treatment fluid, with the treatment device being provided with an actuating device for exactly guiding and/or placing and/or moving the tool head.

Abstract: An assembly device for assembling a main body and an external chamber of a product includes: a base, laterally pressing units disposed on left and right sides of the base, and an actuator disposed on a rear side of the base. The external chamber of the product is positioned on the base. The laterally pressing units press an opening of the external chamber from left and right sides thereof so as to generate convex deformations on upper and lower sides of the opening. The actuator moves the main body towards the opening of the external chamber so as to dispose the main body in the external chamber. The invention avoids product damages, saves time and labor consumption, and improves the product yield.

Abstract: The present invention provides apparatus and methods to operate microreactor devices through the controlled delivery of pressurized fluids. A heated reservoir, a heated manifold, and a heater for the microreactor device provides for the delivery of a pressurized gas while minimizing evaporation and condensation; and a fluid interface and pressure interlock provides for the delivery of aseptic fluids while minimizing contamination and fluid loss.