Plastic and nonmetallic article shaping or treating: processes – Including step of generating heat by friction
Patent
1980-02-26
1982-09-28
Hall, James R.
Plastic and nonmetallic article shaping or treating: processes
Including step of generating heat by friction
264148, 264150, 264151, 264157, B28B 1100
Patent
active
043517889
ABSTRACT:
A method for manufacturing cleaving split tiles from a continuous extrusion including forming a plurality of internal channels during extruding followed by the shaping of the corners and exterior surfaces of the extrusion and forming shaped vertical surfaces defining two of the tiles sides so that they blend with the other shaping of the extrusion with the formation of the vertical surfaces occurring so that the internal channels are not compressed. The extrusion is severed along a vertical groove formed when the vertical surfaces are formed with the severed portions being subsequently fired and thereafter split into tiles.
REFERENCES:
patent: 1477663 (1923-12-01), Poston
patent: 4137288 (1979-01-01), Lingl
patent: 4187268 (1980-02-01), Sinnema
Hall James R.
Mosa, B.V.
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