Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Measuring a weight or volume
Patent
1988-08-11
1990-10-09
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
Measuring a weight or volume
222 58, 222 77, 264 407, 264174, 264211, 364473, 364479, 366 18, 366141, 366152, 425113, 425140, 425148, 425297, B29C 4706, B29C 4792
Patent
active
049618873
ABSTRACT:
An apparatus and process for manufacturing insulation for metallic rod which includes a mechanism for housing a plurality of ingredients, scales for weighing a predetermined quantity of each ingredient, a blender for blending predetermined amounts of each ingredient into one material, a mixer to mix the dry blend of ingredients, a mill to form the blended material into strips, a dicer to transform the strips into pellets of insulation, an extruder for placing insulation around the metallic rod, a conveyor to transport the ingredients and/or material between each of the above steps, a controller for outputting commands to the blender and receiving inputs from the scales to obtain the predetermined amount of each ingredient, and a computer for verifying that the correct amount of each ingredient has been obtained. The ingredients used in the manufacture of this insulation material include plasticizers, fillers, a resin, and modifiers. In the step of obtaining the correct weight of each ingredient, the controller employs multiple setpoints to gradually obtain the required ingredient weight through what is known as a dribble feed function.
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Barker, III George W.
Campbell Steven R.
Crumpler Michael G.
Posey Willard W.
Shepard Howard S.
Kreiss Steven
Southwire Company
Tate Stanley L.
Tentoni Leo B.
Thurlow Jeffery
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