Abstract: A multilayered container includes an inner container configured to contain content, and an outer container configured to accommodate the inner container. The inner container has a side surface formed with a plurality of folded pleats contractable and expandable in a vertical direction, so that the inner container is shrinkable inside the outer container. The inner container includes a metal layer or an inorganic layer. A discharge mechanism, configured to discharge the content, and including a mechanism configured to prevent air from entering the inner container when discharging the content, is attached to an upper surface of the inner container.

Abstract: A device for dispensing a fluid substance (F) comprising a manually operated pump (2) coupled to a deformable bag (3), the deformable bag being housed inside a container (4); the container is formed of a collar (5) made of plastic coupled to a tubular element (6) formed from a paper- or cardboard-based material, the tubular element featuring a bottom (7), the collar (5) featuring ribs (N) made on a surface thereof which comes into contact with an internal wall of the tubular element (6).

Abstract: A device for dispensing a liquid product is provided that includes a receiving body, a locking and fastening device and an adapter device. A kit is also provided that includes a device for dispensing a liquid product and an auxiliary tool.

Abstract: A tubular container and container forming device and method according to the present invention provides a dispensing tubular container having a dispensing end, a sealed end, and a region along the length of the tubular container having surface variations (e.g. outward extending teeth) formed along the length of the tubular container as part of the tubular container over which a movable compression device may move, engage and be longitudinally retained as it is advanced toward the dispensing end. The teeth may have a radial and lateral wall thicknesses similar or equal to the tubular container wall thickness, to thicknesses greater than the tubular container wall thickness, and further include varying radial thickness or profile along an exterior dimension (e.g. length) of the tubular container. Also included are structures and processes to provide an injection molded polyethylene or polypropylene tubular container having longitudinal formations of desired wall thicknesses or profile.

Abstract: A foam discharger includes a foamer mechanism (20), the foamer mechanism (20) includes: a liquid flow path (50) through which liquid supplied from a liquid supply unit to a mixing part (21) passes; and a gas flow path (70) through which a gas supplied from a gas supply unit to the mixing part (21) passes, the liquid flow path (50) includes an adjacent liquid flow path (51) having a liquid inlet (52) open to the mixing part (21), the gas flow path (70) includes a plurality of adjacent gas flow paths (71) each having a gas inlet (72) open to the mixing part (21), and the liquid inlet (52) is arranged at a position corresponding to a merging part (22) of gases supplied from the plurality of adjacent gas flow paths (71) to the mixing part (21) via the gas inlet (72).

Abstract: A device for dispensing a product includes: a module including a head and a reservoir, the head including a conduit connecting the inside of the reservoir to an outlet of the head; and a housing having at least two mutually movable parts including an upper part and a lower part, the at least two parts being arranged to be assembled so as to receive the module inside the housing.

Abstract: A Propellant-Free continuous dispenser for dispensing liquid or viscous materials under pressure. The container comprises a tension surface, and a bag containing the liquid to be dispensed, which is in contact with the tension surface. An actuatable valve to which the bag is open serves to controllably release the liquid from the bag, and a diaphragm forms a floor to the tension surface underneath the bag. The diaphragm is elasticated and presses the bag against the tension surface to flatten the bag, thus to expel the contents under pressure.

Abstract: The present disclosure describes a system, apparatus, and method for storing, transporting, delivering, and dispensing carbonated beverages that maintains a high degree of carbonation and extends the shelf life of the beverage. The system includes a container that includes an outlet for dispensing the beverage. Disposed within the container is a first bladder that contains a fluid and an apparatus for exerting a constant pressure on the first bladder. The fluid is dispensed from the first bladder through the outlet, in response to the apparatus exerting pressure on the first bladder.

Abstract: A constant pressure system includes a pressure vessel with a vapor-liquid mixture used to provide pressure forces instead of compressed air that is typically used. The vapor-liquid mixture can be a number of substances, such as nitrous oxide, so long as the mixture exists in both the liquid and vapor phases. Importantly, the vapor-liquid mixture must maintain a constant pressure during the dispensing of fluids from the tank, so that the fluids are dispensed at the same constant pressure. As a result, the fluids within the tank can be dispensed at the same pressure as that of the vapor-liquid mixture within the tank, or scaled to a higher or lower pressure value through the use of a pressure-converter valve within the system.

Abstract: The delaminatable container is capable of suppressing deterioration of the contents under high-temperature environment. The delaminatable container includes a container body; and a tubular outer case being installed in the container body; wherein: the container body includes an outer shell and an inner bag, and the inner bag shrinks as contents decrease.

Abstract: A fluid dispensing mechanism for a fluid dispensing device, comprising an elastic sleeve surrounding a bag for filling with fluid for dispensing, the bag having a circumference and being folded at a plurality of folding locations around said circumference, thereby to unfold evenly under said sleeve during a filling process of pressurized filling of said bag with fluid, the mechanism further comprising an anchoring column. The bag is folded around the anchoring column.

Abstract: Described herein is a ceiling panel assembly comprising a panel body having an inner surface defining an internal cavity having a first open end defined by a first side edge of the panel body, a first end cap comprising a face plate, an insertion portion extending from an inner surface of the face plate, and a concealment portion extending from the inner surface of the face plate; and the first end cap coupled to the panel body so that: (1) the insertion portion extends into the internal cavity; (2) the concealment portion wraps around at least a portion of the first edge and is adjacent an outer surface of the panel body; and (3) the end face plate encloses the first open end of the internal cavity, and the first end cap is coupled to the panel body by frictional fit.

Abstract: The present invention relates to a feeding device (1) for manual dispensing of a food product in fluid form packaged in a flexible container (3) and a method for this, which invention solves the problem of bulky and heavy feeding devices which leak food product. The feeding device comprises a dispensing tank (10) adapted to hold the container, an operating sleeve (30) arranged on top of the dispensing tank, and a piston (40) arranged inside the dispensing tank and adapted to compress the container when the operating sleeve by rotation axially displaces the piston along the inside of the dispensing tank in a discharging direction so that the container is compressed while dispensing the food product (2) and allows a return of the piston in a return direction opposite the discharging direction after each dispensing of food product.

Abstract: Mouth fill devices can be mounted with respect to a mouth of a liquid container. The mouth fill device can include a circumferential shroud circumscribing an axis of the mouth fill device. The circumferential shroud can include an interior surface defining an interior passage extending along the axis. The interior passage can include a liquid fill passage. The mouth fill devices can further include a protrusion mounted relative to the circumferential shroud and extending within the interior passage. The protrusion can include an interior passageway extending through the protrusion that defines a liquid dispensing passage. The fluid fill passage can be disposed outside of the liquid dispensing passage.

Abstract: A constant pressure system includes a pressure vessel with a vapor-liquid mixture used to provide pressure forces instead of compressed air that is typically used. The vapor-liquid mixture can be a number of substances, such as nitrous oxide, so long as the mixture exists in both the liquid and vapor phases. Importantly, the vapor-liquid mixture must maintain a constant pressure during the dispensing of fluids from the tank, so that the fluids are dispensed at the same constant pressure. As a result, the fluids within the tank can be dispensed at the same pressure as that of the vapor-liquid mixture within the tank, or scaled to a higher or lower pressure value through the use of a pressure-converter valve within the system.

Abstract: A coating material cartridge includes an enclosure, a coating material storage bag received in the enclosure, and a coating material storage bag orientation clip secured within the enclosure. The clip engages a portion of the coating material storage bag to maintain the storage bag in a predetermined fixed orientation within the enclosure during filling of the coating material storage bag with coating material, and also during movement of the coating material cartridge.

Abstract: A combined lid/valve device including a lid, for a pressurised product dispensing container, and a valve mechanism, in which the lid is provided with a so-called upper face and a so-called lower face, in which the lower face of the lid includes a base provided with a skirt for receiving the neck of a pocket containing the product to be dispensed, the base forming a housing for the valve mechanism consisting of a dispensing tube and a sealing gasket, the sealing gasket mounted on the dispensing tube snap-fitting into a through-hole between the upper face and lower face of the lid and allowing an outlet end of the dispensing tube to project beyond the upper face of the lid.

Abstract: A pump system (100) including an overtube adapter (140) and an overtube (150) attached to the overtube adapter (140), the overtube (150) capable of being selectively attached to the overtube adapter (140) to provide different overtube (150) aesthetics for pump systems and fragrance products.

Abstract: An exemplary system for dispensing foam includes a container holding a foamable liquid, a pump, and a suck-back device. The suck back device has a housing having a small bore with first diameter and a large bore with a second diameter; a dual body piston with a first piston that reciprocates in the small bore and a second piston that reciprocates in the large bore; a flow restrictor located proximate the dual body piston, a suck back chamber formed at least in part by the large bore and the second piston, and a foam outlet. The flow restrictor is configured so that fluid flow into the suck back device causes the suck back chamber to compress and when the fluid flow stops, a biasing member causes the suck back chamber to expand and suck back residual foam into the suck back chamber.

Abstract: A system for dispensing a fluid, such as a hand soap or the like. The system includes a dispenser and/or a refill cartridge. The dispenser includes a dispenser body having a refill cavity, a dispenser lid configured to be coupled to the dispenser body, and a pump sub-system mounted to the dispenser lid. The pump sub-system includes a first dip tube, a dispensing orifice, and a pump. The refill cartridge includes a cartridge body having a fluid cavity, a store of a fluid in the fluid cavity, and a second dip tube extending into the store of the fluid. The refill cartridge is configured for slidable insertion into and removal from the refill cavity of the dispenser body. The dispenser lid may be coupled to the dispenser body thereby mating the first and second dip tubes to enable dispensing of the fluid.

Abstract: Some embodiments are directed to a valve made up of a rigid wall and a flap. The flap has a non-perforated flexible and deformable peripheral region situated facing the rigid wall. The rigid wall is perforated by at least one orifice situated facing the peripheral region. The flap is joined to the rigid wall by a non-deformable fixed connection. The peripheral region has a substantially conical shape before mounting with a large base and a small base and an inner face on the inner side of the cone. The peripheral region exhibits a deformation following the pressing of the inner face of the large base against the rigid wall in a assembled position.

Abstract: An aerosol dispenser. The aerosol dispenser is made from materials which can go into a single recycling stream having a single class of materials, as defined by the Society of the Plastics Industry, and particularly may exclusively comprise Class 1 materials with no flammable product/propellant present.

Abstract: An assembly can be used for packaging chemical compounds. The assembly includes a foil pack for storage of a one-component or multicomponent compound, and a dispensing device for the foil pack. The foil pack has at least one elongated foil bag designed to be non-rigid, and one rigid head part having at least one fastening portion for one end of the foil bag and an outlet opening for discharge of the compound, where the dispensing device has at least one receptacle for pushing in the at least one film bag. The at least one elongated foil bag has, in a filled condition, the form of a truncated cone, the diameter of which narrows in the direction of a longitudinal axis, starting from the respective fastening portion.

Abstract: Disclosed are a phytoncide moisturizing liquid composition, a hydrogen-generating skin care spray device including the same, and a method for preparing the same, wherein a phytoncide moisturizing liquid composition, which contains, on the basis of the total weight of the composition, about 95-98 wt % of water, about 1-3 wt % of a phytoncide undiluted liquid, about 0.05-0.5 wt % of gamma poly L glutamic acid, about 0.05-0.5 wt % of chitosan, and about 0.1-2 wt % of an emulsifier, is mixed with hydrogen generated by a hydrogen generator, thereby maximizing, at one time, the effect of the phytoncide moisturizing liquid composition, which is capable of suppressing the increase in collagenase in the skin due to ultraviolet radiation, and the effect of the hydrogen, which suppresses melanin synthesis by ultraviolet radiation and makes active oxygen generated due to the ultraviolet radiation harmless to the human body.

Abstract: A spout fitment has a spout for dispensing liquid into or out of a flexible container, the spout passing through a base portion that is connected to attachment ribs for sealing to the flexible container. The attachment ribs can contain a sharp edge to facilitate improved adhesion of the flexible container to the attachment ribs of the spout fitment. The attachment ribs can also contain a beveled edge that can provide mechanical support to the attachment sites between the spout fitment and the flexible container. Other embodiments can include a base portion having lateral attachment walls containing a series of elevated ridges that provide extended areas of focal contact between the spout fitment and the flexible container. The base portion can include one or more pockets for holding and manipulating the spout fitment while it is attached to the flexible container.

Abstract: Provided is a double-walled container (1), which includes an outer layer body (2) and an inner layer body (3). A single adhesive strip (4) is disposed between the outer layer body (2) and the inner layer body (3) in a manner such that the adhesive strip (4) extends along a center axis (C). The outer layer body (2) is provided with a single ambient air introduction hole (2d). The outer layer body (2) includes an inner surface, which is configured by a separation surface (2f) and a pseudo-adhesive surface (2g). The separation surface (2f) faces the ambient air introduction hole (2d) and is separated from an outer surface of the inner layer body (3), and the pseudo-adhesive surface (2g) faces the separation surface (2f) and is separably adhered to the outer surface of the inner layer body (3).

Abstract: The present invention relates to a pump head for a metering device for a metered dispensing of a fluid. The pump head can thereby be fitted on a storage container, for example a bottle, which is designed for storing the fluid to be dispensed. Pump head and storage vessel together thereby form the metering device according to the invention. The pump head is distinguished by including a passage for air, by means of which air from outside can be transferred into the storage vessel during the pumping process for pressure compensation. The present invention relates in addition to purposes of use for the pump head and the metering device.

Abstract: A refillable aerosol cartridge for use with a refill station or the like, that has a unique identifier such as a serial number or the other identification. The refillable aerosol cartridge is equipped with a programmable RFID or other data transferring device that can record, store, and transfer unique information about the refillable aerosol cartridge, including the specific user-selected ingredients, and track the cartridge for the life of the product. The unique serial number or other identifier of the aerosol cartridge can be used to track the cartridge and, in the case of a recall, identify and locate the cartridge for notification.

Abstract: An aerosol dispenser. The aerosol dispenser is made from materials which can go into a single recycling stream having a single class of materials, as defined by the Society of the Plastics Industry, and particularly may exclusively comprise Class 1 materials with no flammable product/propellant present.

Abstract: Provided is a multilayer-structured discharge container having a simple structure, capable of facilitating the loading of a substance to be contained and a pressurizing agent, and capable of facilitating the ejection of the pressurizing agent after use. A discharge container in which a valve mechanism is provided with a stem having two independent in-stem paths, one in-stem path communicates with an in-holder discharge path, the other in-stem path communicates with an in-holder gas path, a contained substance is discharged by closing the other in-stem path, and the pressurizing agent is ejected by opening the other in-stem path. The discharge container is capable of causing a pressurization chamber and the atmosphere to communicate by removing a push-button from a valve assembly and pressing down a stem of a valve mechanism (switching operation).

Abstract: A pressurized container usable for an aerosol dispenser. The container is charged with propellant. The container may be conveniently shipped, for later product filling and/or decoration. By manufacturing the subcombination at a first location, and shipping sealed to a second location, flexible manufacture can be achieved. The second location can add locally popular product and decoration.

Abstract: A mixing pouch forms a packaging product that includes a first compartment containing a supply of a liquid ingredient and a second compartment that contains a supply of a powdered ingredient with a breakable seal between the two compartments to separate the two ingredients. Rupturing the breakable seal creates a common interior cavity and allows the mixing of the two ingredients to create a mixed product. One end of the mixing pouch is formed with a dispenser through which the mixed product is dispensed for use. An apparatus, such as a positionable clamp or an adhesive strip on the exterior of the mixing pouch, can reduce the size of the common interior cavity to facilitate the dispensing of the mixed product. Preferably, the mixing pouch is a flexible plastic member having a dispensing end formed with a channel closed by a tear-away portion.

Abstract: The mixing system for ready-to-use flush solutions is characterized by an RO system, a mixing unit that is connected to the RO system and that contains a mixing chamber, to which high-purity water can be fed from the RO system and flush solution concentrate can be fed from a concentrate source, and a flush solution link connector, wherein the RO system and the mixing unit form a filling station, a mobile flush solution container that contains a pressurized container that receives a flush solution bag that can be coupled to the flush solution link connector of the mixing unit, and a computer and control mechanism for all measurement and monitoring tasks during the local production of a flush solution, wherein the mobile flush solution container and the filling station are provided with sensors by means of which wireless communication is made possible between the mobile flush solution container and the filling station.

Abstract: The present invention relates to a packaging combination for accommodating and dispensing a filling material. The packaging combination comprises a tubular casing having a first end, a second end and a central axis extending through first and second ends, wherein the tubular casing is tightly filled with filling material and closed at its first and second end by a closure means. The packaging combination further comprises a dispensing system including a dispensing device having a passageway extending through the dispensing device with an inlet opening at its one end and an outlet opening at its other end and being attached to the first end of the tightly filled tubular casing, the first end of the tubular casing extending inside the passageway. The system further comprises a dispensing cap having an attachment end and a dispensing end reversibly attachable to the outlet opening of the dispensing device, by its attachment end.

Abstract: The present disclosure, in one embodiment, relates to a dispenser including a dispense assembly having a head assembly, and also including a collapsible liner that contains a material to be dispensed, the liner detachably secured to the dispense assembly with the head assembly in fluid communication with the liner, wherein the material in the liner is dispensed out the liner and through the head assembly.

Abstract: A liquid dispenser utilizes a collapsible container that contains a supply of liquid. The collapsible container is received within a chamber that has a stationary wall. A moveable member is adjustable into contact with the collapsible container within the chamber. An indicator displays an estimated amount of liquid remaining in the collapsible container based on a position of the moveable member. The moveable member may squeeze the collapsible container against the stationary wall to thereby increase pressure within the liquid in the collapsible container to urge an outlet valve towards an open position in order to resolve any clogs in the valve.

Abstract: The present disclosure relates to a blow-molded, rigid collapsible liner that can be suitable particularly for smaller storage and dispensing systems. The rigid collapsible liner may be a stand-alone liner, e.g., used without an outer container, and may be dispensed from a fixed pressure dispensing can. Folds in the rigid collapsible liner may be substantially eliminated, thereby substantially reducing or eliminating the problems associated with pinholes, weld tears, and overflow. The present disclosure also relates to flexible gusseted or non-gusseted liners, which is scalable in size and may be used for storage of up to 200 L or more. The flexible gusseted liner may be foldable, such that the liner can be introduced into a dispensing can. The liner can be made of thicker materials, substantially reducing or eliminating the problems associated pinholes, and may include more robust welds, substantially reducing or eliminating the problems associated weld tears.

Abstract: A dispensing device for a multi-component composition comprising a housing (1) in the form of an elongate sleeve. The housing has a first end for receiving a compression device (3) and a second end defining an outlet (7) from which a supply of components housed within the housing are dispensed. Each component is retained within a compartment (21, 22) of a collapsible bag (2; 9, 10) prior to being dispensed. The collapsible bag compartments each have a sealed end for receiving pressure from the compression device and a dispensing end for dispensing a component via an outlet (23). The dispensing device is provided with a closure device (4) through which the dispensing ends of the collapsible bag compartments extend. The closure device (4) is adapted to apply a clamping force on the dispensing ends to seal off the supply of the components and to release the clamping force when required to allow the components to be dispensed.

Abstract: An extruder includes a first clamping plate, a second clamping plate, a connecting plate rotatably interconnecting the first and second clamping plate, a latching member, and a positioning protrusion. The latching member is formed on an end of the first clamping plate. The positioning protrusion is formed on an end of the second clamping plate, matching with the latching member to latch the first and second clamping plate.

Abstract: A device for dispensing or receiving a liquid volume includes a liquid reservoir having an outlet, a pressure generator which provides a compressible enclosed gas volume of a constant amount of substance with a pressure, wherein the gas volume is in direct or indirect fluidic contact with the liquid in the liquid reservoir, a dosing device coupled to the outlet of the liquid reservoir and operable in order to enable the liquid to pass the outlet, a pressure sensor arranged to measure a current pressure in the gas volume and to output an output signal indicating the current pressure in the gas volume and a controller coupled to the pressure generator, the dosing device and the pressure sensor.

Abstract: [Problem] Provided is a two-liquid dispenser storing two types of content, and capable of stably and equally discharging two liquids. [Solution] A two-liquid dispenser (10) is provided with: a pressure-proof container (11); a flexible inner container (12) housed in the pressure-proof container; a pouch (13) housed in the inner container; a valve assembly (14) to close the pressure-proof container (11), the inner container (12), and the pouch (13); a first content (A1) filed in the pouch; a second content (A2) filled in a first space (S1) between the pressure-proof container (11) and the inner container (12); and a propellant (P) filled in a second space (S2) between the inner container (12) and the pouch.

Abstract: There is disclosed a spray apparatus for holding contents comprising diatomaceous earth and a compressed propellant for propelling the diatomaceous earth. There is also disclosed use of diatomaceous earth to control a population of bedbugs, wherein the diatomaceous earth comprises remains of pennate diatoms. There is also disclosed a method of controlling a population of insects, the method comprising causing a compressed propellant to propel diatomaceous earth on a surface. Method of manufacturing a spray apparatus and methods of preparing diatomaceous earth for use in controlling a population of insects are also disclosed.

Abstract: A dispenser system employs a packaging module for use with moisture sensitive materials. The packaging module comprises an outer carton and an inner bladder, which is substantially impermeable to moisture and is filled with one part of an adhesive. The carton is loaded on a mobile cart and the one part adhesive is supplied to a pump/mixer without exposure to moisture in the atmosphere. The packaging and dispensing system can be used in conjunction with mechanized adhesive application equipment for the construction trades.

Abstract: An internal pouch held in a double-structured aerosol can, composed of first and second internal pouches for containing first and second agents, respectively, the aerosol can being capable of simultaneously ejecting the first and second agents. The first internal pouch has a layer constitution that includes a polyolefin inner layer, an adhesive resin layer on the inner layer side, an aluminum foil, an adhesive resin layer on the outer layer side and a thermoplastic resin outer layer; the second internal pouch has a layer constitution that includes a polyolefin inner layer, an adhesive resin layer on the inner layer side, an aluminum foil, an adhesive resin layer on the outer layer side and a thermoplastic resin outer layer; and the adhesive resin forming the adhesive resin layer on the inner layer side of the first internal pouch contains a polyether type urethane resin.

Abstract: The present invention relates to a remainder reducing member with which a space with a circumference closed by a pressurized fluid is prevented from being generated and a final remaining amount of a discharged content is reduced. The remainder reducing member of the present invention has a simple structure, is manufactured with ease, easily installed at an inner side of an inner bag, and capable of discharging the content smoothly. The remainder reducing member, which is attached to the interior of the flexible inner bag disposed in aerosol container to reduce the final remaining amount of the discharged content, is constituted by a solid rod-shaped body and comprises an attachment portion attached to an inflow port of the inner bag such that said content can flow therein and a guiding portion provided with a plurality of guiding grooves formed in a lengthwise direction of an outer periphery thereof.

Abstract: An aerosol dispenser. The aerosol dispenser is made from materials which can go into a single recycling stream having a single class of materials, as defined by the Society of the Plastics Industry, and particularly may exclusively comprise Class 1 materials with no flammable product/propellant present.

Abstract: The present disclosure relates to a blow-molded, rigid collapsible container that can be suitable for storage and dispensing systems of practically any size. The rigid collapsible container may be a stand-alone container. The container may be blow-molded as a unitary piece that may include folds or pre-folds that allows the container to collapse into a relatively flat position. In an expanded state, the container may have a generally trapezoidal prism shape.

Abstract: A cooking apparatus includes a dual-chamber container with an inner container for holding a food item to be cooked and an outer container for maintaining contact between a temperature-controlled heat transfer liquid and the inner container while the food is being cooked. The dual-chamber container includes an inlet fluid port and outflow fluid port which may be coupled directly to corresponding fluid port connectors on a temperature control unit, or an intervening fluid coupling assembly may convey heat transfer liquid between the control unit and the dual-chamber container. Some control units are adapted to simultaneously control cooking temperature for more than one dual-chamber container. Some dual-chamber containers have a flexible inner container that is separable from an outer container which may be a rigid container or a flexible container.

Abstract: Embodiments of sequenced foam pumps, refill units and dispensers are disclosed herein. One exemplary refill unit includes a container for holding a foamable liquid and a sequenced pump. The sequenced pump has a housing with a chamber located within the housing. There is an air inlet and a liquid inlet into the chamber. A hollow valve stem is movable within the chamber. A sealing member forms a seal between the valve stem and the chamber. When the valve stem is in a first position liquid flows into the chamber and air in the chamber flows into the container; and when the valve stem is in a second position, the sealing member seals off the liquid inlet, and air travels through the air inlet and mixes with the liquid in the chamber. The air and liquid mixture travels through the center of the valve stem and out of an outlet.

Abstract: An apparatus and method for collection and containment of collected materials is provided. The apparatus can include a vacuum truck with at least one vacuum tank disposed thereon, the vacuum tank having a hollow interior region. A flexible bladder can be disposed within the hollow interior region of the vacuum tank. The bladder can be impermeable to and compatible with the collected material and capable of containing the material therewithin.