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[NEWS]
A common example of a core member
2012-12-25
2012-12-25
There are various structures directed toward increasing the strength of a joint between a connecting device and the members attached to it. For example, the practice of drilling through two items to be connected, then rivet bonding the items, is well known in the art.
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[NEWS]
An extruded node
2012-12-24
2012-12-24
An extruded node is disclosed comprising a longitudinally twin screw extruder extending substantially hollow core and at least one longitudinally extending, hollow flange, extending outwardly of and integral with a longitudinally extending side portion of the core.
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[NEWS]
A plasticating extruder screw
2012-12-22
2012-12-22
A plasticating extruder screw is provided with a wave section in which the depth of the material conveying channel varies cyclically over a plurality of cycles.
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[NEWS]
Initial development of the melt channel
2012-12-21
2012-12-21
Following the initial development of the melt channel, a barrier wall is provided which rises out of a base surface of the melt channel, and is formed with a clearance with the barrel which begins at a maximum and, at the conclusion of the barrier section, reduces to a minimum.
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[NEWS]
Conventional metering section
2012-12-20
2012-12-20
A particular difficulty of many prior designs is the fact that in the development of the flighting to create the solids compaction channel separate from the melt channel causes a sudden change in the pitch or the depth of a developing channel and results in a flow disruption.
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[NEWS]
An extruder screw for use
2012-12-19
2012-12-19
An extruder screw for use in the barrel of a plastic materials extruder is formed with a melt section which includes a melt flighting and a compaction channel and which also includes a barrier flight in which only smooth transitions are formed to prevent pressure surges or disruptions.
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[NEWS]
An extruding and thread forming screw
2012-12-17
2012-12-17
An extruding and thread forming screw fastener including a cylindrical shank, a head at one extremity of said shank, and a cylindrical pilot section of smaller diameter than said shank at the opposite entering extremity of said shank in coaxial alignment with the shank section
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[NEWS]
An axially elongated extruder screw
2012-12-14
2012-12-14
An axially elongated extruder screw includes a screw body having an axially extending extruding portion defined by a feed section at an inlet end of the screw, a metering section at an outlet end of the screw and a barrier section between the feed and metering sections.
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[NEWS]
A plurality of screws
2012-12-13
2012-12-13
Among extruders of the type wherein a screw is rotatably housed in a cylinder, some of those having a plurality of screws are adapted to divide a flow into rearranged striations as described above.
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[NEWS]
The flow of fluid in the screw
2012-12-12
2012-12-12
A screw extruder comprising a screw having a screw flight for conveying a fluid and rotatably housed in a cylinder, at least one plug installed in a portion of the screw and a circumferentially continuous leakproof portion formed on at least one part of the plug with only a small clearance provided between the outer periphery of the leakproof portion and the inner surface of the cylinder
