A modular plastic pipe formation apparatus, wherein at least two components of the pipe formation apparatus are disposed with respect to at least one or more respective modules.

A head is disclosed for use with a continuous manufacturing system. The head may have a housing configured to receive a matrix and a continuous fiber, and a diverter located at an end of the housing. The diverter may be configured to divert radially outward a matrix-coated fiber. The head may also include a cutoff having an edge configured to press the matrix-coated fiber against the diverter.

A single screw micro-extruder for a 3D printer includes a feed chamber with an opening for receiving solid plastic pellets. An extrusion barrel extends from the feed chamber and has an inner conically shaped bore between input and output ends. The bore has a mouth at the input end and an exit opening at the output end with a melt section therebetween. A rotatable screw is attached to a torque drive of the printer, and extends through the feed chamber and conical bore of the barrel. A constant or tapered diameter of the screw root core, from the input end toward the output end of the barrel, forms a decreasing channel root depth in a helical path for compression between a root core surface and an inner surface of the bore for pressurizing melt in the melt section of the barrel to exit an extrusion nozzle.

A resealable package, the resealable package comprising a polymeric substrate, the polymeric substrate comprising a first side panel, a second side panel, a closed bottom and an opening, the opening comprising a first side region and a second side region and the first side region and the second side region comprise a magnetizable composition, the magnetizable composition comprises a thermoplastic polymer and magnetizable particles and the magnetizable composition is aligned and magnetized to form a first magnet along the first side region and a second magnet along the second side region. The first magnet comprises a plurality of poles having a first leading edge comprising a first pole and the second magnet comprises a plurality of poles having a second leading edge comprising a second pole that is opposite to the first pole.

A pressure chamber is provided for a blown film extrusion apparatus having (i) a die head for extruding a tubular polymer bubble, and (ii) a cooling assembly down-stream of the die head for receiving the bubble and applying a cooling fluid to the bubble. The pressure chamber includes an upstream end wall sealed around the die head outlet, and extending outward from the seal; a side wall movable between a closed position for controlling air flow from a chamber volume surrounding the bubble to the atmosphere, and an open position for permitting air flow from the chamber volume to the atmosphere. The upstream end wall has an inlet for receiving air from an air supply, and an outlet in fluid communication with the inlet and configured to direct the air into the chamber volume to pressurize the chamber volume when the side wall is in the closed position.

A ram extrusion apparatus including a die having several thermal zones, a hopper for introducing a granular polymer resin to the die, and a ram for moving the granular polymer resin through the thermal zones of the die and out from an outlet end thereof at a temperature above the crystalline melt temperature of the polymer resin. The hopper may be designed to deliver the polymer resin into a resin inlet of the die in a plurality of specifically metered amounts which may vary across a width of the resin inlet end of the die. The apparatus may further include one or more finishing tables positioned after the outlet end of the die for receiving and moving the extruded resin away from the outlet end of the die so that there is no backpressure on the extruded resin, and which provide compression force and even cooling to the extruded resin.

A system for high moisture extrusion (HME) food processing using an adjustable height cooling die including an automatic dynamic HME feedback loop is described herein. In various embodiments, the system comprises: a high moisture extrusion (HME) system including adjustable input HME parameters to adjust resulting HME parameters thereby controlling quality of HME products, the high moisture extrusion (HME) system comprising: a feeding system; a barrel, the barrel comprising at least one screw; and the adjustable height cooling die for shaping of a food product comprising output product conditions. Further comprising: an electronic sensor system electronically connected to the feeding system, to the barrel, and to the adjustable height cooling die for the automatic dynamic HME feedback loop that automatically and dynamically controls the adjustable input HME parameters to adjust the resulting HME parameters and the output product conditions, thereby controlling a texture and a thickness of the food product.

An extrusion device includes a material inlet; a material outlet; a material guidance system; a body, which passes through the material outlet and a cross-sectional area through which the extrusion material is expelled from the material outlet changes; a drive device; a cooling line system for guiding coolant. A first part of the cooling line system is suitable for guiding the coolant along the axis, a second part is suitable for guiding the coolant out of the body and around the drive device, and a third part of the cooling line system guiding the coolant outwardly, into a discharge line for the coolant at an incline to the axis. The second part of the cooling line system adjoins the first part of the cooling line system, and the third part adjoins the second part against a flow direction of the extrusion material from the material inlet to the material outlet.

An apparatus for additively manufacturing an article comprises a heat block, a nozzle configured to receive a feed material in operable communication with the heat block, and a radiator configured to transfer heat from the heat block to an external environment by thermal radiation. Related tools for additively manufacturing a material in a vacuum, and related methods are also disclosed.

A modular plastic pipe formation apparatus to extrude plastic pipe is disclosed and includes a plurality of modules each having a transportable container and at least one component of the pipe formation apparatus located therein. The plurality of modules are aligned in a predetermined manner during formation of plastic pipe with the components aligned for pipe extrusion. The apparatus may also include a closed circuit fluid cooling system to provide cooling fluid to some of modules to cool the pipe being formed, the cooling circuit may flows in a counter direction to the direction of pipe forming in the pipe formation apparatus.