Abstract: A vent bypass system is created by forming a bypass hole through a vent cover door of two adjacent vent cover doors. A tube flange is extended from a bottom surface of the vent cover door, concentric with the bypass hole. A first vent cover door covers an entry vent and the second vent cover door covers an exit vent. One end of a flexible tube is secured to one of the two tube flanges and the other end of the flexible tube is secured to the other one of the two tube flanges. Air/gas blown into the room will bypass circulating through the room by going through the flexible tube from the entry vent to the exit vent. Any suitable means to connect the various vents can be used, such as, but not limited to any pipe, hose, tube, conduit, or the like.

Abstract: An inverted carrier lift and method is disclosed. The inverted carrier lift includes a trolley movable along an overhead conveyor and a carrier for supporting a workpiece to undergo an assembly or manufacturing process. The carrier is movable relative to the trolley from a raised position to a lowered position by a motor engaged with a lifting mechanism on the trolley. On rotation of the motor, the carrier and supported workpiece is lowered or raised to position the workpiece in the workstation for processing. The workpiece may be disengaged by the carrier for support of the workpiece by one of many different fixtures depending on the processing. Following processing, the workpiece is re-engaged by the carrier, moved to a raised position and the trolley is transferred to a subsequent workstation.

Abstract: Methods and apparatus for spectrum coordination are described. A method of spectrum coordination includes a spectrum coordinator receiving a request for shared spectrum from a CRS that the spectrum coordinator supports. The request includes at least one minimum protection requirement. The spectrum coordinator determines protection criteria for the CRS based on the at least one minimum protection requirement received from the CRS. The spectrum coordinator sends the protection criteria for the CRS to a geo-location database for use in assigning shared spectrum to other CRSs that the spectrum coordinator does not support.

Abstract: Described is a mobile plant for the aspiration, treatment, suppression and depuration of fumes and/or dust and/or gaseous mixtures coming from processing of metals or other materials, and in particular from the processing of the metals with flame cutting, by means of which even small production units or larger production units but with limited quantities of materials to be processed or processed in an occasional manner with significant emission of fumes and/or dust can prevent the dispersion into the atmosphere of the fumes and/or dust and can treat the fumes and dust; according to this invention, the mobile plant for the aspiration, treatment, suppression and depuration of fumes and/or dust and/or gaseous mixtures coming from processing of metals or other materials comprises two separate units which integrate and act in conjunction with each other: a removable and transportable hood which is movable from a processing area to a standby area, under which the processing is performed which cause fumes and dust,

Abstract: A gas containment apparatus for use with an end effector including at least one plasma head includes at least one enclosing structure coupled to the end effector. The enclosing structure is configured to capture a gas produced by the at least one plasma head. The gas containment apparatus also includes a duct coupled to the at least one enclosing structure and configured to channel the gas from within the enclosing structure.

Abstract: An ion implantation apparatus including an enclosure defining a process chamber, a carriage slidably mounted on a shaft within the process chamber and coupled to a drive mechanism adapted to selectively move the carriage along the shaft. A platen assembly can be coupled to the carriage, and a linkage conduit can extend between a side wall of the enclosure and the carriage. The linkage conduit can include a plurality of pivotably interconnected linkage members that define a contiguous internal volume that is sealed from the process chamber. The contiguous volume can be held at a desired vacuum pressure separate from the vacuum environment of the process chamber.

Abstract: A self-limiting vacuum (SLV) nozzle is provided for collecting or removing combustible dust. The nozzle comprises a nozzle body comprising a nozzle inlet port, a nozzle unloader port, and a suction port; a suction tube assembly operably connected to the nozzle inlet port; a material deflector for directing vacuumed material from the suction tube assembly into the suction port; and an unloader hood installed in the unloader port. Discs can be installed in the unloader or suction port to control collection of combustible dust by the nozzle so that the concentration of dust collected within the hose stays below the minimum explosive concentration (MEC). The nozzle is operably connected to a vacuum source. Systems and methods for collecting combustible dust using the nozzle and a vacuum system are provided. Operation of the nozzle regulates the MEC of the combustible dust that is collected in the vacuum system.

Abstract: A containment hood may include a first shell portion, a second shell portion and a lid portion. The first shell portion may include a first interior-facing surface. The second shell portion may be spaced apart from the first shell portion and may include a second interior-facing surface. The first and second interior-facing surfaces may oppose each other. The lid portion may extend between and engage the first and second shell portions. The lid portion may cooperate with the first and second shell portions to form at least a partial enclosure defining an interior volume. The first and second shell portions and the lid portion may cooperate to define a first opening through which a user is able to access the interior volume.

Abstract: A range extractor hood includes a screen, at least one filter element and at least one pivot bearing which swingably supports the at least one filter element on the screen. At least one locking member retains the at least one filter element to the screen. Located on the screen is a releasing device for, at least partially, releasing the locking member and retention of the filter element.

Abstract: A fracking trailer includes a particulate storage enclosure to receive a mixture of particulate and air in an interior of the particulate storage enclosure having a front end and a rear end. The fracking trailer also includes a filtration system connected to the particulate storage enclosure at the front end to filter particulate from the air in the mixture and exhaust filtered air.

Abstract: The present invention is directed toward a movable airborne contaminant control system having a retractable/extendable booth attached in a sealing manner to a ventilation unit, preferably mounted on wheels. The ventilation unit includes a filter assembly that opens into the work are formed by the booth. Front doors support air filters. In operation, the ventilation unit draws air in a longitudinal laminar flow over one or more work pieces. The filter assembly captures both particulates and VOCs to allow the exhaust air to include an extremely low contaminant load.

Abstract: A microwave oven including an extendable/retractable hood assembly is provided. The microwave oven draws contaminated air through intake ports that are provided in a hood casing and a hood. The hood is slidably received in the hood casing. Thus, the hood is retracted or extended from the hood casing to more efficiently perform an air exhaust function.

Abstract: A smoke capture adapter comprising: a first adapter part having a first generally ring-shaped portion with a first cylindrical inner surface for securely engaging a laser apparatus having a beam propagation axis, the first generally ring-shaped portion being oriented such that the beam propagation axis passes through a region bound the first generally ring-shaped portion and a tubular outlet extending from said first generally ring-shaped portion for communicating with a vacuum tube; a second adapter part rotatably connected to the first adapter part and arranged to rotate generally about the beam propagation axis having a second generally ring-shaped portion adjacent the first generally ring-shaped portion, the first and second generally ring-shaped portions defining a generally toroidal cavity and an inlet in fluid communication with the cavity; the tubular outlet and inlet in fluid communication through the cavity; whereby the position of the inlet relative to the first adapter part may be adjusted by rota

Abstract: A transportable field containment system with transparent hood. The transportable field containment system being easily and rapidly deployable and transportable by virtue of its relatively small size and light weight, a collapsible transparent hood that covers the containment area over a work site on the ground, the hood including detachable or folding side panels and removable door panels. The system preferably includes an exhaust component that creates negative air pressure in the containment area under the hood, thereby drawing air that contains hazardous substances, that may be released while the work is being conducted, through one or more off-gas filters.

Abstract: An airborne component extractor provides a positive pressure air stream to a work area and draws a negative pressure air stream from the work area. Conduits conduct both air streams. A movable cart-type base unit or a permanent installation may provide for the air streams. Sizes and operational parameters are selected to provide good component removal, reduce head losses, and reduce power requirements.

Abstract: An airborne component extraction system comprises a source of a positive pressure air stream and a source of a negative pressure air stream. Conduits allow the positive pressure air stream to be channeled to a work area, and the negative pressure air stream to be drawn from the work area to pull airborne components away from the work area. A manifold receives the conduits and aids in directing both air streams between the sources and the conduits. The manifold may support the conduits in the form of an arm that can be rotated while directing the air streams.

Abstract: A extraction system is designed for metal working and other applications. The system may comprise a cart-type base or may be incorporated into a fixed or semi-fixed installation. A blower delivers a positive pressure airflow to a hood that creates an air region by directing the air through an annular space between inner and outer shrouds, impacting the air against a single generally perpendicular flange. Return air from the operation may be mixed with fresh air, both of which may be filtered, to supply the positive pressure air. Both air streams to and from the hood may be adjusted to optimize operation. Adjustments may be made at the base unit or remotely.

Abstract: This invention concerns an arrangement 1 intended to be used in a ventilation arrangement in order to hold and control an air channel 2. The arrangement 1 comprises a single arm construction 1.1 that is arranged along the outer surface 2A of the air channel. The arm construction 1.1 comprises two arm sections 3 and 4 arranged one after the other, a first joint 5 that unites a first arm part 3 with a fixture arrangement 6 that holds and maintains the basic position of the arm construction 1.1 and that makes possible different positioning, bending and stretching, of the arm construction 1.1 and the air channel 2, a second joint 7 that unites the first arm section 3 with the second arm section 4 and that makes possible different positioning, bending and stretching, of the arm construction 1.1 and the air channel 2. Each arm section 3 and 4 comprises an extended aluminium profile 8 and 9. The invention concerns also a ventilation arrangement comprising such an arrangement 1.

Abstract: This invention concerns a joint construction 1 intended to be used between two extended tubes 2 and 3 in order to connect these tubes 2 and 3 with each other and where the joint construction 1 offers an open internal compartment 4 that, during use of the joint construction 1, is connected to the open inner compartments 5 and 6 of the relevant tube element. The joint construction 1 comprises a first joint half 7 and a second joint half 8 that are essentially identical, an arrangement 9 that holds the joint halves 7 and 8 and thus the joint construction 1 together and where the joint halves 7 and 8 each comprise a first part 12 and 13 and a second part 14 and 15. The first parts 12 and 13 make possible a connection of the relevant joint half 7 and 8 to one of the tubes 2 and 3.

Abstract: A drive mechanism for a down draft vent system comprising a vertically directed, retractable open framework, which can be moved between an extended position and a lowered position by means of a drive motor, comprising at least two switches for switching off the drive motor and at least one actuating element for actuating the switch. In this arrangement at least one switch is actuated by means of the at least one actuating element depending on a force (FW) acting externally on the open framework. In addition to an end switch-off of the drive motor, this invention provides a safety function as a result of a resistive load switch-off which is effective both in the event of a resistance from below during retraction and also in the event of a resistance from above during extension of the open framework.

Abstract: A reverse oblique air curtain exhaust cabinet comprises a cabinet that has a bottom plate and an elongate air blow slot is provided in front of the bottom plate. Through the elongate air blow slot, air is blown upward at an oblique angle toward the rear plate of the cabinet. An air-extraction hood is provided in a space defined above the bottom plate in a way of being vertically movable relative to the cabinet. The air-extraction hood has an elongate air-extraction part that is parallel to the elongate air blow slot in a way that the elongate air-extraction part is above and spaced from the elongate air blow slot toward the rear plate of the cabinet. Thereby, an oblique air curtain that flows upward is formed to remove the pollutants between the oblique air curtain and rear plate and left and right lateral plates in a more energy-saving way.

Abstract: A mobile laminar flow hood specifically devised for use in podiatry and a podiatric apparatus to which such hood is associated are described. The hood is adapted to generate a laminar flow of sterile air. In particular, an apparatus comprises a system for the generation and treatment of a laminar air flow in an intervention zone is described, together with means to support the system for the generation and treatment of a laminar air flow. The system has a blowing hood adapted to generate a laminar flow of sterile air towards the intervention zone, and a suction hood adapted to suck the laminar flow of sterile air from the intervention zone.

Abstract: The invention relates to waste material removal devices and related assemblies and methods. In certain aspects of the invention, a machining tool has a waste material removal device, which comprises a suction slide for carrying out a movement in a translational direction (x). The suction slide includes a suction arm support and a suction arm, and the suction arm is fastened pivotably on the suction arm support.

Abstract: A system for ridding the working area of a nail salon work station of fumes and nail dust. The system is self-contained within the particular work station and has a vacuum system that draws air in from the area surrounding and proximate the working area to remove the fumes and dust. A fan draws that air into a chamber containing a bag-type, particulate filter that filters out the nail dust. Downstream of the bag-type filter is a fume filter that receives the air from the bag-type filter, having been pressurized by the fan, and provides a filter of the fumes. The air, now having passed through a particulate filter and a fume filter is exhausted into the room at a location remote from the working area. The bag-type filter is inexpensive and readily replaced.

Abstract: Exhaust extraction system comprising a stretchable and a recoverable exhaust suction hose, a nozzle for connection of the exhaust suction hose to an exhaust pipe of a vehicle, and a magnet adapted to magnetically engage with an anchoring means. The magnet is supported by the exhaust suction hose on a distance from said nozzle. A releasing arrangement is arranged to convert a stretching of the exhaust suction hose to a angling movement of said magnet in view of said anchoring means in a direction out of the parting plane between the two engagement surfaces of the magnet and the anchoring means for releasing an engagement between the magnet and the anchoring means.

Abstract: A grill comprising a front, a rear, a grill base, a first grill door and a second grill door. The first grill door comprises an opening and is in hinged communication with the grill base. The second grill door is in communication with the first grill door via a hinge, which is disposed at a rear portion of the opening. When the second grill door is in a closed position, the second grill door seals the opening in the first grill door. A method of grilling comprising the steps of opening the first grill door, placing food on the grill base and closing the first grill door to cook food. The method further comprises the steps of opening the first and the second grill door during the cooking process, thereby creating a flue that urges smoke away from the front of the grill and towards the rear of the grill.

Abstract: A grill comprising a front, a rear, a grill base, a grill lid and a grill door. The grill lid comprises an opening and is in hinged communication with the grill base. The grill door communicates with the grill lid via a hinge, which is disposed at a rear portion of the opening. When the grill door is closed, the grill door seals the opening in the grill lid. The grill lid includes a lifting-assist mechanism and the grill door has an opening-assist mechanism. A method of grilling comprising the steps of opening the grill lid, placing food on the grill base and closing the grill lid to cook food. The method further comprises the steps of opening the grill lid and the grill door during the cooking process, thereby creating a flue that urges smoke away from the front of the grill and towards the rear of the grill.

Abstract: A low depth telescoping downdraft ventilator controlled by an electronic controller providing a precisely controlled and efficient way of removing gases and fumes is disclosed. The low depth telescoping downdraft ventilator has the ability to fit behind a built-in oven placed below a cook top unit. The telescoping downdraft ventilator has an almost infinitely selectable range of heights above a cook top with a built in oven. The ventilator collects and draws in exhaust fumes and smoke, filters it and re-circulates or expels it either outdoors or indoors. The inner member of the telescoping ventilator may house the exhaust fans and may move up or down without the use of mechanical switches for elevation detection and stopping. The ventilator may have sensors to detect temperatures, filter change need, fan speeds, telescoping stop points, energy consumption, resistance and voltage, enabling programmable set point operation.

Abstract: A method for purifying polluted air having particle phase pollutants and gaseous phase pollutants is provided. The method comprising: separately purifying and treating particle phase and gaseous phase pollutants present in the air; providing a dust cleaning apparatus, a catalytic filter core and a valve for controlling an airflow path within an air purification apparatus; controlling the airflow path for the air to bypass the catalytic filter core in a way that: if the amount of particle phase pollutants is above a predetermined value, the valve is moved to the open position to enable the air to bypass the catalyst filtering core; if the amount of particle phase pollutants is less than a predetermined value, the valve is moved to the closed position to force the air to pass through the catalyst filtering core.

Abstract: A method for purifying polluted air having particle phase pollutants and gaseous phase pollutants is provided. The method comprising: separately purifying and treating particle phase and gaseous phase pollutants present in the air; providing a dust cleaning apparatus, a catalytic filter core and a valve for controlling an airflow path within an air purification apparatus; controlling the airflow path for the air to bypass the catalytic filter core in a way that: if the amount of particle phase pollutants is above a predetermined value, the valve is moved to the open position to enable the air to bypass the catalyst filtering core; if the amount of particle phase pollutants is less than a predetermined value, the valve is moved to the closed position to force the air to pass through the catalyst filtering core.

Abstract: A portable work station including a main housing, a fan and motor housing, transition housing and an exhaust housing with the housings being selectively removably secured together rather than being welded as in the prior art. The work station includes a ballast compartment in the main housing into which ballast material may be placed to stabilize the work station. The work station includes supports for the framework of a drape assembly with the supports being selectively removably secured to the main housing.

Abstract: Food preparation apparatus including a top cooking surface, or cooktop, a front wall, a clear see-through wall located on the front side and extending above the top surface, a suction device adapted to take in fumes/odors or gases being generated at and released from the cooktop, the suction device including a forward inclined intake grille arranged between the cooktop and the vertical wall, the clear see-through wall being curved backwards, with the lower portion thereof extending almost vertically and then gradually curving backwards. A chamber collecting the gases being taken in is arranged below the grille and debouches into a vertical suction conduit, to which there is associated an appropriate suction fan, entering a prismatic filtering chamber provided with a filter in the form of a filtering partition arranged between two opposite sides of the chamber and lying orthogonally to the rear wall of the apparatus.

Abstract: A portable dust collection system utilizes a dust collection enclosure formed by a material covering overlaying a collapsible frame. The enclosure is opened at its front end and tapers towards its back end, where there is a frustum-shaped chamber which receives and discharges the collected dust from the enclosure. A vacuum blower unit is utilized to suck the dust from the enclosure chamber and discharge it through a flexible conduit to a dust accumulation container. Dust entering the container is intermixed with water which is recirculated from within the container through water lines and nozzle elements. The water entraps the dust, forming a mixture which falls to the bottom of the dust accumulation chamber. A fluid discharge line is provided on the container for removal of the water and dust mixture.

Abstract: An apparatus (10) for purifying polluted air consisting of particle phase pollutants and gaseous phase pollutants, the apparatus (10) comprising: a dust level sensor (23) to measure the amount of particle phase pollutants in the polluted air; a dust removal component (14) to remove the particle phase pollutants from the polluted air; a catalyst filtering core (17) to decompose the gaseous phase pollutants by chemical reaction; a valve (22) for selectively controlling a path of air flow within the apparatus (10) and is movable between an open position and closed position, the valve (22) being positioned downstream from the dust removal component (14); wherein if the amount of particle phase pollutants measured by the dust level sensor (23) is above a predetermined value, the valve (22) is moved to the open position to enable the air to bypass the catalyst filtering core (17); and if the amount of particle phase pollutants measured by the dust level sensor (23) is less than a predetermined value, the valve (22)

Abstract: Provided herein is a portable device useful for providing ventilation to a selected area via circulation of ambient air. A device according to the present invention is especially well-suited to provide ventilating air to a person resting on a bed, by directing air from the room to the volume defined by the top surface of the mattress of the bed and a bed covering disposed thereon. Use of the present invention increases the ability of persons to achieve restful sleep by enabling convenient control of the air surrounding the person to a comfortable level.

Abstract: An air collector workstation assembly is provided comprising a plurality of workstation walls defining a work area. Each of the plurality of workstation walls comprises a plurality of wall panels mounted to a plurality of frame members. Each of the plurality of wall panels has a panel width and a panel height. At least one wall panel comprises an adjustable dimension wall panel having at least one removable panel portion to adjust the panel height. An air collector unit with a mounting profile having an air intake width and an air intake height is mounted to one of the workstation walls. The air intake width is approximately equal to the panel width. The removable panel portion can be removed and the mounting profile inserted to place the air collector in communication with the work area.

Abstract: The present invention is a push-pull ventilation hood having a push device to obtain a push air flow and a pull device to exhaust contaminant flow with an exhaust opening and the two devices properly coordinated with each other, wherein, when the push flow flows through a contaminant source, a contaminated flow of the push flow is exhausted through the exhaust opening. Based on the design process according to the present invention, a push-pull hood with the highest efficiency of push velocity can be designed and the push-pull hood can economically and effectively control the contaminant source.

Abstract: A microwave oven including an extendable/retractable hood assembly is provided. The microwave oven draws contaminated air through intake ports that are provided in a hood casing and a hood. The hood is slidably received in the hood casing. Thus, the hood is retracted or extended from the hood casing to more efficiently perform an air exhaust function.

Abstract: The hand/foot rest is a manicure/pedicure aid with integrated cleaning features. The hand/foot rest includes an ergonomic hollow body covered with cushion material, the top of the body defining a rest/work area for the hand or foot, at least one air inlet port to extract dust and fumes or vapor in the work area and an air outlet port adapted to be connected to a vacuum source to evacuate the extracted air.

Abstract: A connector system is disclosed for connecting an exhaust extraction system to the exhaust pipe of an internal combustion engine. The connector system comprises a first flange, which can be connected to the exhaust pipe of the engine. A second flange is connected to a conduit through which exhaust fumes are evacuated. The first and second flanges can have mating tapered surfaces, to facilitate alignment of the second flange relative to the first flange. The second flange preferably comprises magnets for providing a secure connection between the first flange and the second flange, while enabling quick release of the connection. The magnets are preferably arranged in an asymmetric configuration.

Abstract: A height-adjustment device for a ceiling-mounted exhaust hood includes a guide bar, a detent pawl and a snapping disposed on the detent pawl. The guide bar includes a plurality of notches and is disposed on a first part of the exhaust hood. The detent pawl is disposed on a second part of the exhaust hood. The first and second parts of the exhaust hood are movable relative to one another. The detent pawl, when moved along a longitudinal axis of the guide bar in a first direction is automatically movable from an unlocked position to a locked position by an interaction of the snapping device with a first actuating device. The detent pawl, when moved in a second direction along the longitudinal axis, is automatically movable from the locked position to the unlocked position by an interaction of the snapping device with a second actuating device.

Abstract: A method and apparatus for applying an atomized liquid solution upon a person, comprising a spray enclosure booth; an exhaust vent located below an anticipated user's facial area zone, the exhaust vent disposed within the bottom tray or a lower area of at least one wall or a lower area of a door and configured for exhausting ambient atomized liquid solution from the spray enclosure booth; a rigid conduit support defining a central air flow conduit connected to a bottom tray and pneumatically connected to an exhaust vent and providing structural integrity to the enclosure booth; an atomizing spray head assembly movably connected to the rigid conduit support and physically supported by the rigid conduit support; and an exhaust system configured to exhaust ambient atomized liquid solution from the spray enclosure booth by drawing atomized solution into the exhaust vent then through and out of the rigid conduit.

Abstract: The present invention provides a portable system for capturing airborne pollutants and methods for using the portable system. The apparatus includes at least one flexible and maneuverable source containment means that can be connected to an atomizer, such as a spray gun or aerosol can or can be positioned near or over an open container giving off airborne pollutants. At least one suction generator allows air flow from the source containment means to at least one filter that may be attached or detached from its source of suction. After filtration, the apparatus includes at least one exhaust means to remove the treated air from the proximity of the user.

Abstract: A portable work station including a main housing, a fan and motor housing, transition housing and an exhaust housing with the housings being selectively removably secured together rather than being welded as in the prior art. The work station includes a ballast compartment in the main housing into which ballast material may be placed to stabilize the work station. The work station includes supports for the framework of a drape assembly with the supports being selectively removably secured to the main housing.

Abstract: An air filter for electric welding includes a box having an opening for connecting with a sucking tube, an dividing plate dividing the box into an upper chamber communicating with the opening and a lower chamber, a spark blocker inside the upper chamber, a movable filter device set under the spark blocker inside the upper chamber and provided with a cloth filter, a blower inside the lower chamber, and an extractable screening device installed outside it and communicating with the lower chamber. In using, when the blower is switched on, the air is sucked in from the sucking tube to the spark blocker, the movable filter device, the blower and the extractable screening device orderly, blocking sparks completely and achieving an effective filtration.

Abstract: A filter housing, a duct arm and a hood which is positioned near the fume source as the duct arm extends between the hood and the filter housing for conveying the fumes from the hood to the filter housing. The filter housing includes a motor for generating suction at the hood inlet and for propelling the fumes out of the filter housing through a housing outlet. The motor has a power ranging from 7.5 to 10.0 horsepower for moving air through the assembly at speeds exceeding 6000 feet per minute (fpm) and at flow rates exceeding 2100 cubic feet per minute (cfm). The hood has a depth of 12 inches and the hood inlet has a width of 36.44 inches and a height of 12.51 inches.

Abstract: A mobile clean room has a substantially rectangular frame having an upper and lower portion and is formed of a plurality of metal tube members and transparent plastic wall panels affixed to the frame to form an end wall and front and rear walls. A floor plate is affixed to the lower portion of the frame. A plurality of locking swivel wheels is affixed to the lower portion of the frame. A ladder is mounted between the floor plate and the upper portion of the frame. A dust guard assembly is attached to the top of the frame and is movably mounted. A door is pivotally mounted to the frame.

Abstract: A portable enclosure, easily erectable and collapsible, to provide environment control and prevent contaminants from being released from the enclosure. The enclosure provides a flexible envelope attached to the interior of the space defined by vertical and horizontal supports which can be erected and collapsed. When erected the enclosure functions as an anteroom and has removable panels in the sides and top. In use, the enclosure is sealed against a vertical or horizontal surface to be worked on and a panel from the side of the enclosure is opened and closed to provide access to the surface by the user. When collapsed the enclosure is a package approximately the size of an average golf club bag which is easily portable to another location. Ducting is provided to which negative pressure pumps are connected to maintain negative pressure within the enclosure and draw contaminants into the pump and then into a closed container.

Abstract: An apparatus is described for transferring hazardous material between the interior of a container and the chamber of a fume hood having a port that includes a flexible enclosure with an upper surface, a lower surface and a side surface; a first conduit extending from the enclosure to connect to the port; a second conduit extending from the enclosure to connect with the container; and a pair of glove ports in the enclosure outer wall, including sleeved gloves extending into the enclosure, whereby the interior of the container and the chamber of the fume hood are accessible through the glove ports. The apparatus may also include means for supporting the enclosure in an open position above the container.

Abstract: An enclosure and method of its use are disclosed. An inflatable body has a central opening at each end. First and second gloved armatures extend into the interior and for receipt of the hand of a human operator. A viewing section is disposed through the enclosure between the armatures for observing the operation. An inflation conduit may be received through the enclosure for initiating inflation. The openings are sealing secured against the conduit after the enclosure is inflated and the conduit properly inserted therein.