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.

The present disclosure provides a container with an increased movable range of an upper wall with respect to a side wall. According to the present disclosure provided is a container including a side wall, an upper hinge member, and an upper wall, wherein the upper hinge member and the side wall are connected rotatably around a first rotation axis, the upper hinge member and the upper wall are connected rotatably around a second rotation axis, and the first and second rotation axes are parallel.

The invention relates to a method (200) for providing a printable melt (12) for operating a printhead (100) for a 3D printer.

According to the invention, the method (200) comprises the following steps: filling (210) a cavity (40) with printable material (10) using a supply device (2), closing (220) an opening cross-section (21) of a piston bushing (4) by advancing a piston (3) from a starting position (3a) in the direction of a nozzle (8) of the printhead (100), converting (230) the material from a solid phase (10) to a liquid phase (12) via a plastic phase (11), solidifying (240) the material (10, 11, 12), ascertaining (250) a spring constant of the liquid phase (12), and preparing (260) the liquid phase (12) for a printing process.

The invention also relates to a printhead (100) for a 3D printer for carrying out the method (200) according to the invention.

The present invention relates to an extrusion die and a method for extruding a sheet using the same, and according to one aspect of the present invention, there is provided an extrusion die comprising a storage part configured to hold a raw material, the storage part defining a first width, a pressure part configured to move the raw material through the storage part, a first die defining a second width less than the first width, such that a flow width of the raw material becomes narrower, a second die in fluid communication with the first die, the second die defining a width that increases from the second width to a third width, such that the flow width of the raw material passing through the first die becomes wider and a flow thickness becomes smaller, and a heating part configured to heat the raw material passing through the second die.

Methods and an apparatus are presented. A bulk molding compound is consolidated by sending the bulk molding compound through a die breaker and an extrusion die of a consolidation system.

The present disclosure relates to methods of making an article comprising PTFE, methods of making expanded articles comprising PTFE, articles comprising PTFE, and expanded articles comprising PTFE having improved mechanical and electrical performance and particularly reduced variability in mechanical, electrical and dimensional properties, particularly over long lengths.

An apparatus, system, and method for disposing green rubber, via 3D Printing or additive manufacturing, are provided. The apparatus includes at least a housing, a nozzle, and a heating element. Green rubber is forced through the nozzle and deposited in an iterative build process. The apparatus may be used in a variety of applications, including tire applications.

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 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 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.