Abstract: A vacuum nozzle includes a main body (12) and at least one auxiliary body (22). The main body has a first open end (16) and a second open end (18). The first open end is coupleable to a vacuum hose (2) and the second open end is configured for receiving materials to be transferred. The auxiliary body (130) has a first auxiliary opening (136) and a second auxiliary opening (138). The first auxiliary opening is positioned closer to the first open end of the main body than the second open end of the main body. The second auxiliary opening covers a portion of the second open end of the main body. The auxiliary body provides a dedicated auxiliary passageway for providing a consistent flow of air to the second open end of the main body when the vacuum nozzle is in use.

Abstract: An additive-manufacturing build-material container comprises a reservoir to hold build material, a build-material outlet structure to allow build material to exit the reservoir through an outlet opening in a top portion of the reservoir, a longitudinal collection unit (313a) to collect build material from the bottom and guide the build material to the outlet opening at the top, and bottom-venting structure to admit vent gas into a bottom portion of the reservoir. The bottom-venting structure may include a vent tube to admit venting gas into the bottom portion of the reservoir. A concentric collection tube structure may be employed including the longitudinal collection tube nested within a vent tube (333A, 354A). The concentric collection tube structure may be mounted along the central axis of the reservoir.

Abstract: This disclosure refers to a device for assisting in the loading of bulk carriers even in rainy weather. Such device comprises: a smooth hose configured to be inserted into the opening of the hatch of the storage hold cover of the ship; a folding hose placed above the smooth hose and configured to absorb the movements of the bulk carrier relative to the device; an upper flange for fastening the device to the free end of the nozzle of the ship loader; and a lower flange configured to connect the device to the hatch opening of the storage hold cover of the ship. The disclosure also includes a method of loading bulk carriers using the device.

Abstract: A powder dispenser (14) has a vertical channel (55), which, at the top, is adapted to communicate with a tank for receiving the powder and inferiorly ends at an opening (26), which is elongated along a horizontal direction and comprises an outlet portion (51) for letting the powder fall; the dispenser further has a shutter device (50) for varying the length of the outlet portion (51) with respect to the total length of the opening (26) along its horizontal axis (36).

Abstract: A cotton feeding unit has a radial type aspirator; primary cotton filter that enables cotton suction; secondary cotton filter that captivates dust; linear motion chassis of primary and secondary filters that carries cyclones and allows linear motion; primary filter rotary valve that enables cotton to land on transfer conveyor; horizontal cotton transfer conveyor that transfers landed cotton; air box that screens the warehouse with flexible hose mobile crane and connects hose and suction nozzle with air box; cotton fine dust bag filter that captures particles; cotton suction venturi nozzle mobile collection arm that unlooses hardened cotton; secondary filter butterfly valve that discharges contaminated water containing dust from cyclone to filter cabin; secondary filter cake cabin that collects accumulated amount discharged from cyclone; secondary filter atmosphere exit bag filter dust collection cabin which collects particles held by cotton fine dust bag; tremie intake-storage filling rotary flap that enables

Abstract: A facility for manufacturing a rotor blade of a wind turbine is provided. The facility includes an injection machine for injecting an injection material into a mold to form the rotor blade, a movable tank system for accommodating precursor material to be supplied to the injection machine for preparing the injection material, wherein the movable tank system has wheels for moving the tank system. Further, a method for setting up a facility and a method for manufacturing a rotor blade are described.

Abstract: A grain bin vacuum tube extension system with (i) an extension tube comprising a bottom surface and a plurality of slots on the bottom surface of the extension tube, (ii) a sealing strip that is slidably secured to the bottom surface of the extension tube and that comprises a plurality of slots, and (iii) a butterfly valve that is configured to close when the slots on the bottom surface of the extension tube are aligned with the slots in the sealing strip and to open when the slots on the bottom surface of the extension tube are not aligned with the slots in the sealing strip. The sealing strip is slidably secured to the bottom surface of the extension tube such that the slots on the bottom surface of the extension tube align with the slots in the sealing strip when the sealing strip is slid to an open position. The sealing strip creates and airtight seal against the bottom surface of the extension tube when the butterfly valve is in an open position.

Abstract: A process for insulating the void in a thermal distance piece in a low-temperature or cryogenic storage tank uses a vacuum source to draw insulation into the TDP. Two remotely spaced openings to the void are provided. A strainer is temporarily mounted in one of the openings. The other opening is connected to a suction wand. The wand has an inner cylinder that extends through an outer cylinder and projects outwardly from a proximal end of the outer cylinder. Distal air vents are provided on the inner cylinder, near a distal cap that connects distal ends of the cylinders. Proximal air vents are provided on a proximal cap that connects a portion of the inner cylinder to a proximal end of the outer cylinder. The distal end of the wand is inserted into a container of insulation.

Abstract: Blind rivet drawing mandrel removal device and method for removing drawing mandrel of a blind rivet. The device includes a transport channel having an inlet opening and at least one blow-in opening, a blow-out path being connected to the transport channel at a predetermined distance downstream of the blow-in opening, and a switchover device structured and arranged to switch over between a suctioning of a drawing mandrel and a blowing of the drawing mandrel.

Abstract: Preferred processes are provided for unloading a particulate substance from a container using a cover system comprising a cover and a wand extending through the cover. The processes can include installing the cover system on the container so that the cover mates with the container and the wand extends into the particulate substance, connecting a pipe or a hose to the wand, and drawing the particulate substance through the wand and the pipe or hose.

Abstract: There is provided an air intake for a vacuum-conveyance waste collection system, to form a high-speed air flow by allowing air to enter a conveying line through which waste being put into a waste receiving device is conveyed to a central waste collection station.

Abstract: A nozzle for providing particulate materials to a suction intake hose connected to a bulk transfer apparatus is provided. A body structure of the nozzle comprises comprising a connecting mechanism for connecting to an end portion of the suction intake hose. A support mechanism is mechanically connected to the body structure for movably supporting the body structure. A particulate materials transport mechanism is placed in front of the body structure. The particulate materials transport mechanism comprises a movable mechanical structure for mechanically transporting the particulate materials into an airstream generated by suction through the suction intake hose. A hood is mounted to a front portion of the body structure for guiding the airstream towards and opening in fluid communication with the connecting mechanism.

Abstract: Preferred processes are provided for unloading a particulate substance from a container using a cover system comprising a cover and a wand extending through the cover. The processes can include installing the cover system on the container so that the cover mates with the container and the wand extends into the particulate substance, connecting a pipe or a hose to the wand, and drawing the particulate substance through the wand and the pipe or hose.

Abstract: A pneumatic nozzle capable of removing dry solid debris, liquids, and mixtures of solid and liquid waste is provided. The pneumatic nozzle uses a pressurized gas stream to push materials through the nozzle. The force of a pressurized gas stream provides a partial vacuum to allow material to be introduced into an opening of a nozzle via a slight suction force. Thereafter, individual particles and materials introduced into the pneumatic nozzle are pushed by a stream of pressurized gas through the nozzle.

Abstract: A high capacity particulate loader having an intake hose on one sidewall thereof which communicates with a source of negative pressure formed by a multi-stage suction mechanism, to create a high suction, high volume and high speed air stream that draws particulate materials through the hose and propels them into a separation chamber where they separate from the air stream and are directed into a discharge auger assembly on the opposite sidewall of the loader. The multi-stage suction mechanism communicates with a separation chamber and/or a settling chamber, the settling chamber providing an area where dust or fine chaff from the suctioned particulate materials, which may be present in the air stream, can settle, through gravity, on a bottom surface of the settling chamber, thus avoiding contact with the blowers so as to prevent clogging of the blowers and rotor wear thereof.

Abstract: A high capacity particulate loader having an intake hose on one sidewall thereof which communicates with a source of negative pressure formed by a multi-stage suction mechanism, to create a high suction, high volume and high speed air stream that draws particulate materials through the hose and propels them into a separation chamber where they separate from the air stream and are directed into a discharge auger assembly on the opposite sidewall of the loader. The multi-stage suction mechanism communicates with a separation chamber and/or a settling chamber, the settling chamber providing an area where dust or fine chaff from the suctioned particulate materials, which may be present in the air stream, can settle, through gravity, on a bottom surface of the settling chamber, thus avoiding contact with the blowers so as to prevent clogging of the blowers and rotor wear thereof.

Abstract: An earth reduction tool configured to connect to a vacuum source of an earth reduction system for moving material comprising an elongated body defining a first end for connecting to the vacuum source, an opposite second end, and an elongated vacuum passage extending through the elongated body between the first and the second ends. The tool also has an elongated air passage extending from the body second end to at least a point intermediate the elongated body first and second ends, the air passage having an open first end and an open second end proximate the elongated body second end that is in fluid communication with the elongated body vacuum passage second end, wherein when the vacuum source pulls a vacuum through the elongated body vacuum passage, air is drawn up into the vacuum passage from the air passage open second end.

Abstract: Process and device for the transport of granular solids with a controlled flow rate, in particular for the transport of catalyst in a hydrocarbon reforming unit. The device comprises a gravity-feed pipe (A) for solid particles in the dense phase, a pneumatic transport pipe (C) in the dilute phase, and an inclined transfer pipe (B) that connects, without a buffer space, the base of the feed pipe to the pneumatic transport pipe, whereby this transfer pipe comprises means (17, 18, 35) for injection of a secondary gas located at the junction between the feed pipe and the transfer pipe.

Abstract: An intake conduit apparatus comprises an intake conduit adapted at a downstream output end thereof for connection to an intake of a vacuum conveyor, and adapted at an upstream input end thereof to facilitate entry of granular material. Ramps slope inward and downstream from the interior wall of the intake conduit, and there is a vent hole through the wall of the intake conduit adjacent to a downstream end of each ramp such that air enters the intake conduit adjacent to the downstream end of each ramp.

Abstract: A conveyor apparatus for a particulate material to be conveyed, e.g., a synthetic resin granulate or powder, with a plurality of handling devices (30, 31) for processing the conveyed material, a storage bin (20) for the material to be conveyed, a conveying line (2) provided with a suction probe (1) for withdrawing the material to be conveyed from the storage bin, and a negative pressure source (4) connected to the handling devices via a suction line (7). The handling devices (30, 31) are all connected to a common conveying line (2), and a control member (8) is provided on the suction probe (1) to control the air volume going through the conveying line (2). This control member is controlled by an air pressure sensor (5) disposed on the suction line (7).

Abstract: A feeding system (10) for epoxy mould compound (EMC) pellets which has a supply bowl (12) situated outside the clean environment (24) of a conventional automatic moulding machine (26). A tube (16) extends from the supply bowl (12) to a buffer hopper (14) within the clean environment and which is located above the feeder bowl (28) of the automatic moulding machine (26). EMC pellets are transported through the tube (16) from the supply bowl (12) into the buffer hopper (14) via a vacuum suction system (34), (36) which is connected to the tube (16) in proximity to the buffer hopper (14). A counter air flow may be provided to slow the speed of the pellets as they enter the buffer hopper. Batches of the pellets accumulated in the buffer hopper (14) are periodically released into the feeder bowl (28) of the automatic moulding machine (26). The vacuum transportation system reduces dust from the pellets.

Abstract: An injector for a powder coating installation having an injector casing made of electrically non-conductive material, such as plastics. The interior surface and the exterior surface of the injector casing are coated with coatings of electrically conductive material, the coating of the exterior surface and the coating of the interior surface being electrically insulated from each other by interruptions. A means for tapping the friction charges is passed from the interior surface and out of the injector casing to a measuring instrument for measuring the charge current. The exterior surface of the injector casing is provided with a ground connection for establishing contact between the exterior surface and ground potential. In this manner the very small friction charge currents can be detected during operation of the injector without being affected by electromagnetic disturbances from outside.

Abstract: A rotating conveyor for the evacuation of metal shavings resulting from mechanical work processes, comprising a collecting container (2) in which a motorised basket (4) is rotating, above whose bottom wall (5) the lower end (12) of an evacuation conduit (11) connected to an aspiration unit is positioned. A blade stationary conveyor member (13), angularly adjustable, extends between the vertical axis of rotation (A) of the basket (4) and the lower end (12) of the evacuation conduit (11) to convey the shavings below it.

Abstract: A continuous supply of scrap material from a papermaking or converting process is transferred by a venturi inducer system including a housing surrounding a tubular intake duct which defines with the housing an annular air chamber connected to receive pressurized air from a motor driven blower. The housing has a tapered or frusto-conical portion connected to a tapered material outlet duct and which cooperates with the inner end of the intake duct to define an annular nozzle opening. Long adjustable bolts connect the intake duct to the housing outboard of the housing and provide for externally adjusting the intake duct axially for precisely selecting the area of the nozzle opening to optimize the air flow through the nozzle opening for pulling and transferring the material while minimizing the electrical power required to operate the blower motor.

Abstract: A method and system for systematically accessing and monitoring operating parameter signals within an IC device. A probe configuration logic selects a subset of signals from among a set of available signals within a physical or logical subdivision of the IC device. Signal access logic selectively provides physical or logical access from the selected subset of signals within the physical or logical subdivision of the IC device to a probe sensor, such that IC device operations may be flexibly and comprehensively monitored. A local mode selector provides remote access to the selected subset of signals at an input/output (I/O) data interface. Data packaging logic in communication with the probe sensor permits port mirroring of the I/O data interface.

Abstract: An apparatus for emptying powder from a container, such as an original shipping box includes a support having a vibrating unit for loosening the powder within the container. A powder pick-up tube and an attached powder pump draw powder from the container and transfer the powder to a powder spray gun. The lower end of the pick-up tube includes a positively pressurized fluidization unit for locally fluidizing the powder at the pick-up tube inlet. The pressurized fluidization unit primarily assists in providing a consistent draw of powder up the pick-up tube.

Abstract: An apparatus for conveying granular plastic materials, for example silicone granulate, including a storage tank, a device for loosening granular plastic material positioned within the storage tank, as well as a discharge device for indirectly or directly transporting granular material to an extruder antechamber. Even granular plastic materials that are difficult to pour can be conveyed in a reliable and economical way due to the process of loosening the granular plastic materials by means of a suitable device.

Abstract: The invention relates to apparatus for transporting loosened soil from a hole, trench or excavation, comprising a probe device and internal nozzles which are spaced from a distal end of the probe device and are directed towards the longitudinal axis of that probe device. Air pulsed through the nozzles lifts the soil along the tube to a discharge chamber.

Abstract: An improved extraction apparatus for bulk material containers, in particular for bins (1) filled with a pourable bulk material (3), comprises a suction head which can be lowered onto the bulk material (3). According to the improvement, provision is made for the suction head (10) to be provided with a float (11), floating in or on the bulk material (3), and to be held above it, and for the oscillation control device (35) to be arranged in such a way that the suction head (10) and/or the float (11) can be caused at least indirectly to oscillate.

Abstract: A gas conveying system capable of conveying a solid material without pushing or compressing the solid material. The system comprising: at least one conduit assembly comprising a conduit, a lance assembly disposed about a first end of the conduit which is capable of removing the solid material from a holding device, and a first eductor which is capable of entraining the solid material in a gas stream and moving the solid material through the conduit; a cyclone disposed about a second end of the conduit, the cyclone being capable of separating the solid material from the gas stream; and a second eductor disposed to receive the solid material from the cyclone, the second eductor being capable of entraining the solid material in a second gas stream which has a solid-material-to gas mass ratio which is greater than that of the first eductor. The second stage eductor transports the particles further downstream for storage, additional transport, or for further treatment, such as burning in an incinerator.

Abstract: A suction nozzle, comprises a suction nozzle tube having a first end for connection to a suction line and a second end forming a suction port, and at least one lateral opening in the suction nozzle tube in a zone of the suction port for a further flow extending in a direction tangential to the suction flow wherein the at least one lateral opening is formed by at least one bent wing raised from the suction-nozzle tube. The suction nozzle may be surrounded by outer guide walls forming a box in which a pressure nozzle is directed into the suction port. The pressure nozzle flow may be used to generate a shearing force flow superimposed upon a vortex flow generated within the suction nozzle.

Abstract: Powder spray coating injector device consisting generally of three tubes nested coaxially. Fluidized powder is carried through an inner one of the tubes and compressed air is carried through annular passages between the inner tube and an intermediate tube and between the intermediate tube and an outer tube. The compressed air is used by a fluidizer to fluidize the powder coating material and by an injector to convey the fluidized powder coating material to a conventional powder spray applicator. Upstream ends of the tubes, relative to the direction of powder feeding, are connected via an adapter to an end section. The end section is provided with at least one fluidizer and the injector through which fluidized power is sucked. Any residual powder is easily cleaned from the injector device by positioning a cap over the fluidizer and injector and by delivering compressed air to the cap while fluidizing and injector air is supplied to the device.

Abstract: This invention relates to a feed system for conveying loose pieces of a coarse particulate or pelletized hot melt material such as adhesives from a storage container to a melt tank. The system includes a transition hopper having insulation between the hopper and the melt tank to prevent premature melting of the loose adhesive pellets or pieces before they pass into a melt tank. An air supply for providing air pressure to the interior of the hopper can be attached to the hopper to prevent vapors from rising from the hot melt tank into the transition hopper and a vent opening for exhausting vapors from the hot melt tank can be located in the top of the melt tank.

Abstract: A particle injector device provides injection of particles into a liquid eam. The device includes a funnel portion comprising a conical member having side walls tapering from a top opening (which receives the particles) down to a relatively smaller exit opening. A funnel inlet receives a portion of the liquid stream and the latter is directed onto the side walls of the conical member so as to create a cushion of liquid against which the particles impact. A main section of the device includes an inlet port in communication with the exit opening of the funnel portion. A main liquid inlet receives the main portion of the liquid stream at high pressure and low velocity and a throat region located downstream of the main liquid inlet accelerates liquid received by this inlet from the low velocity to a higher velocity so as to create a low pressure area at the exit opening of the funnel portion. An outlet opening of the main section enables the particles and liquid stream to exit from the injector device.

Abstract: A device is disclosed for automatically collecting powder material displaced from between a belt conveyor and a chute which is disposed above the belt conveyor for feeding the powder material onto the belt conveyor, and for placing the collected powder material onto the belt conveyor. The device includes a) a duct device (10) disposed adjacent the chute and the belt conveyor for collecting powder material, b) a horizontally extending hollow cylinder (31) disposed above the belt conveyor, the cylinder having an air-flow inlet (33) which communicates with the duct device (10) and having a slit (34) at its bottom, the cylinder allowing an air flow from the duct device to pass along the inner surface of the cylinder, c) a blower (40) to suck air in the cylinder, and d) a chamber (35) disposed under the cylinder and having a weighted damper (36) at its bottom. When the blower is driven, an air flow is generated in the duct device.

Abstract: A density controller provides for a continuous proportionate mixing of particles with a conveying airstream of a vacuum generator, which includes a hose having an intake nozzle end and an exhaust end. The density controller includes a substantially cylindrical main body having a first open end, which telescopically receives the intake nozzle end, and a second substantially closed end. An air inlet is formed between an outer surface of the intake nozzle end and an inner surface of the density controller main body. At least one opening is formed in the second substantially closed end of the density controller main body. The at least one opening has a total area ranging from 10% to 20% of the cross-sectional area of the intake nozzle end. At least one clearance member is located adjacent the closed second controller end and separates the nozzle and second controller ends by a fixed distance.

Abstract: A mobile cargo discharge device which moves across the floor of a container, pulling cargo under vacuum pressure into a discharge opening in the front of the device and outputting cargo into a conventional discharge conduit such as a pneumatic or screw conveying device. The device may also have a fluidizing mechanism on the forward wall which disturbs the cargo and enhances cargo flow through the discharge opening. The fluidizing mechanism is implemented through vibration or through jet streams of air emitted from the forward wall of the device. The device can be used in containers with or without liners.

Abstract: Prongs driven by a hydraulic motor break up packed seed cotton beneath the mouth of a suction pipe.

Abstract: A powder feeding apparatus which has a substantially simplified structure compared to conventional powder feeding apparatuses and which can be easily installed, without requiring any substantial adjustment work. The powder feeding apparatus includes a powder flow rate measuring capillary, the inlet of which is connected to a powder introducing device and to a sensor nozzle for a powder flow rate detection gas provided with a flow control device. A pressure difference detecting device whose interior volume is invariant during normal operation is connected between the inlet and the outlet of the capillary. Further, a pressure difference adjusting device and a large-diameter feeding duct are connected together.

Abstract: A method and assembly for removing fine particles in an essentially dust-free manner which features a semi-bulk container bag that is removed from a reusable protective container, hoisted off the ground and punctured with a discharge probe. The puncturing of the plastic bag is achieved by inserting a spear shaped probe with tapered nozzle head. The probe is sealed with respect to the bag. The nozzle head includes a plurality of elongated discharge openings, as well as a nozzle tip with a plurality of injection ports. Fine particles having a size of less than 400 .mu., are fluidized and then discharged out through the discharge openings by a suction device. Fluidization is achieved by injecting air or inert gas through the tip of the nozzle head. The fluidized fine particles removed from the bag are passed through the discharge openings, out through the probe, through a flexible conduit and to a storage or further processing device.

Abstract: An overhead vacuum assembly for recovering, storing and dispensing flowable packaging material including a flexible storage bag having an open upper end for receiving flowable packaging material, a dispensing valve mounted at the lower end of the bag, a liner or frame for maintaining the perimeter shape of the flexible bag, a cover mounted at the open upper end of the flexible bag, a fan motor assembly, including a filter, mounted to the cover for creating a vacuum in the bag and a hose mounted to the cover. The filter acts as a deflector to evenly distribute the loose fill throughout the bag during the recovery process. The cover may have a pyramidal shape and tear-away panels for ease of maintenance.

Abstract: The present invention relates to a process for the removal of ore from the hold of a bulk carrier vessel. The prior art employes a boom mounted vacuum probe which is lowered into the ore material to effect unloading. This invention adds material handling hoses between the boom mounted vacuum probe and wheeled vehicles with attached aspirated suction nozzles. Further, the wheeled vehicles are powered from a stationary hydraulic pumping unit connected to the existing electric power of the boom mounted vacuum probe. Ore unloading efficiency is improved when the ore level in the hold reaches a depth of approximately two feet or less by providing wheeled vehicles carrying aspirated suction nozzles over the decking of the hold.

Abstract: An apparatus for sorting material conveyed in a product stream and across a substantially level single layer on a conveyor, wherein the conveyor passes beneath an examination device which determines the presence and transverse location of any undesired material; a number of movable conduits are positioned transversely across the conveyor downstream from the examination device, and are arranged in staggered rows to transversely encompass the entire product stream on the conveyor; the suction device and movable conduits are respectively controlled by the examination device, to cause each conduit to selectively move toward the conveyor and remove undesired material from the conveyor as it passes beneath the suction device, and to move away from the conveyor when no undesired material is positioned beneath the suction device; a valve in the common suction line connected to all conduits stabilizes suction pressure during operation of the apparatus.

Abstract: An improved diverter apparatus (18) is provided for use in pneumatic conveying systems (16), in order to permit selective diversion of product to waste or recycle. The apparatus (18) includes an elongate tubular body (42) having at least one opening (48) therein; a gate (52) is situated adjacent the opening (48) for normally closing the same. A piston and cylinder assembly (62) is operatively coupled with the gate (52) for selective, remote operation of the gate (52). When the gate (52) is opened, product is diverted and does not pass the gate (52).

Abstract: A hopper subjected to a suction effect of a vacuum source such as a vacuum pump is connected by a hose to a suction nozzle thrown into a container for grainy material and an ejector is provided to supply the suction nozzle with pressurized air, and thereby a smooth pneumatic conveyance of the grainy material is achieved. A cap laterally provided with openings is slidably put on an open end of the suction nozzle and a total opening area of the lateral openings is adjusted by axially sliding the cap on the open end of the suction nozzle.

Abstract: A method of and apparatus for supplying pulverulent material includes a fluidizing unit which is introduced into a transport container containing the pulverulent material. The fluidizing unit causes suspension or floating of the pulveulent material in the transport container. A suction unit and a discharge unit such as an injector withdraws fluidized pulverulent material and conveys it to the processing device. The fluidizing unit and the discharge unit are preferably combined to a constructional unit which is adjustable relative to the fluidizing unit. Thus, the use of separate powder containers is avoided as the transport container in which the pulverulent material is contained is directly used as a powder container.

Abstract: Apparatus is provided for operation periodically to move particulate material from a first level to a higher second level using air entrained to move in a loop. The apparatus includes a pick-up coupled in the loop and positioned in the material at the first level so that the material is entrained in the air loop, and a separator above the second level which is also coupled in the air loop and which is operable to strip the material from the air. The separator has an exit above which the material is collected and an actuator is operable periodically to collect batches of the material in the separator at the exit. A closure is coupled to the exit and operable to release a batch at the second level after each period of operation of the actuator.

Abstract: A pneumatic pickup probe or wand, for picking up a dry flowable material from a container and introducing that material into a vacuum conveyor system, constitutes an elongated unitary pickup tube having a plurality of axially displaced air control holes near the vacuum conduit connection end of the tube; the material entry end of the tube is cut off at an acute angle (preferably about 45.degree.), has a narrow, elongated flow modulation slot of about three inches (7.5 cm) axial length extending toward the hose connection end of the tube, and has an anti-closing spacer to preclude blockage of the material entry opening.

Abstract: A pick-up assembly for grain and other particulate material includes a particulate material pick-up head provided with an elongated narrow rectangular forwardly facing opening, a tubular discharge conduit extending rearward from the pick-up head, a main frame supporting the pick-up head and the discharge conduit rigidly with respect to each other, a pair of wheels rotatable on a single horizontal axis mounted to the frame at position toward the rear of the discharge conduit, and a handle rigidly mounted with respect to the frame to be behind and above the wheels. A ground supported flexible hose extends from the rear of the discharge conduit to a pneumatic grain conveyor.

Abstract: Undesired glass particles emitted into the atmosphere from breakage of glass jars in the manufacturing process are removed utilizing an exhaust system, comprising a hood, exhaust piping, blower and cyclone. The hood and exhaust system protects the area adjacent to where glass jars are produced from emission of dangerous glass particles which result from breakage of glass jars during the assembly process.