This invention relates to extruded composite materials specifically focusing on the increasing load bearing capacity and the overall strength of composites. Injectable conformable structural core materials are used to replace foam cells inside extruded composite materials thereby increasing the overall load bearing stability and strength. The core materials are tailored to have a desired CTE with respect to the structural materials. The core materials may also incorporate fibers and solid structural fillers for increasing the strength of the composite member. The objective is to enable composite materials to have the highest structural load bearing capability possible so that these technologies can be used as the replacement of wood, in aerospace applications and for other purposes.

This invention relates to extruded composite materials specifically focusing on the increasing load bearing capacity and the overall strength of composites. Injectable conformable structural core materials are used to replace foam cells inside extruded composite materials thereby increasing the overall load bearing stability and strength. The core materials are tailored to have a desired CTE with respect to the structural materials. The core materials may also incorporate fibers and solid structural fillers for increasing the strength of the composite member. The objective is to enable composite materials to have the highest structural load bearing capability possible so that these technologies can be used as the replacement of wood, in aerospace applications and for other purposes.

Pipe corrugators having opposed series of pushed mold blocks forming a moving mold tunnel are subject to significant thermal expansion and are designed with a thermal expansion gap. The present invention provides a method and apparatus for measuring changes in this expansion gap and preferably recognizing potential thermal issues before serious problems occur. A sensor is provided adjacent a mold block drive that preferably detects a time duration between sensing a trailing portion of a lead mold block and a leading edge of a following mold block separated from the lead mold block by the thermal expansion gap. This time duration in combination with a speed of the pushed mold blocks is used to calculate the size of the thermal expansion gap.

An apparatus for marking and scoring an insulated wire or cable is disclosed. The apparatus includes a housing enclosing a portion of a wire path, wherein the insulated wire or cable moves along the wire path through the housing; an upper splined gear rod and a lower splined gear rod within the housing; an actuator connected to the upper splined gear rod, wherein the actuator raises and lowers the upper splined gear rod; and wherein the actuator when lowered presses the insulated wire or cable between the upper and lower splined gear rods.

Disclosed is a process for preparation of a propylene-based polymer composition involving the steps of: (a) mixing a propylene-based polymer and a peroxydicarbonate in a mixing device, wherein the mixing takes place at a temperature of 30 C., wherein the peroxydicarbonate is introduced into the mixing process in a dry form; (b) keeping the mixed composition at a temperature of 30 C.; (c) feeding the mixed composition into a melt extruder; (d) homogenizing the mixed composition at a temperature where the propylene-based polymer is in solid state during an average residence time of 6.0 and 30.0 seconds; (e) further homogenizing the mixed composition at a temperature at which the propylene-based polymer is in the molten state; and (f) extruding the homogenized material from a die outlet of the melt extruder followed by cooling and solidification; wherein the steps (a) through (f) are conducted in that order.

An additive manufacturing system, which can include a 3D printer, includes in at least one aspect: a build platform; a carriage and a rack configured to hold different manufacturing tools, including an extrusion tool; a heating device associated with the extrusion tool; a 3D motion system configured to move the carriage between the rack and a build space associated with the build platform, and to move the carriage within the build space associated with the build platform; and one or more computers programmed to trigger the heating device to begin pre-heating the extrusion tool at a point before mounting of the extrusion tool to the carriage by the 3D motion system, such that the material in the extrusion tool is melted by a point in the manufacturing process when the extrusion tool will be mounted on the carriage and in position to extrude material in the build space.

An object of the present invention is to provide an organic-resin-coated metal sheet for beverages and foods having retort blushing resistance and can manufacturability, a manufacturing method thereof, and a metal can and a can lid that are made by processing the organic-resin-coated metal sheet. An organic-resin-coated metal sheet of the present invention is an organic-resin-coated metal sheet in which an unstretched film is stacked on at least a single surface of a metal sheet, and is characterized in that the unstretched film is composed of a polyester-based resin composition obtained by blending copolymerized polyester (I) composed mainly of a polyethylene terephthalate-based resin with crystalline polyester (II) composed mainly of a polybutylene terephthalate-based resin with a mixing amount of the crystalline polyester (II) of 20 to 45 wt %.

A method of enhancing surface electrical conductivity of an article formed of a conductive polymer material, such as a conductive polymer film, includes the step of providing an article formed of a conductive polymer . The conductive polymer is made up of a dielectric polymeric material and conductive fibers. A desired pressure is applied to at least a portion of the article while simultaneously heating at least a portion of the article to a desired temperature. The desired pressure and the desired temperature are maintained on at least a portion of the article for a desired time period. This method reduces a polymer-rich skin layer on the surface of the conductive polymer material and helps to randomize the orientation of the conductive fibers on the surface.

A piece insertion method for a pipe, for example an irrigation pipe, including: ejecting at least one piece, for example a dripper, from an ejection unit, advancing the at least one dripper inside the irrigation pipe by a dripper advancing unit, lifting the dripper towards the inner surface of the irrigation pipe by using a lifting device such that the dripper is parallel or substantially parallel to this inner surface of the irrigation pipe on impact with this inner surface. The method according to the invention allows also coordination between the lifting device, the ejection unit and the dripper advancing unit such that the dripper spacing can be maintained in tight tolerances.

The invention describes a process for starting up a film production in a film manufacturing machine, in particular a blown film machine, by means of a control device, comprising the following steps: detecting a start-up request setting start-up parameters providing film material commencing the film production setting film production parameters.