Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1986-12-24
1988-05-31
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
26417712, 2642098, 425198, 425461, 425464, B29C 4712
Patent
active
047479868
ABSTRACT:
An extrusion die for producing multichanneled structures from an extrudable material. The die is composed of a series of pins that correspond to the shape of the channels in the structure. At one end of the pins, the area between the pins is open to define a discharge zone having the shape of the structure. At their opposite ends, the pins are connected about adjacent corners by a series of webs. Slots bordered by the pins and the webs define a series of feed passages that communicate with the discharge zone at areas of reduced width between adjacent pins.
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Allied-Signal Inc.
McBride Thomas K.
Spears Jr. John F.
Thurlow Jeffery
Tolomei John G.
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