Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1988-03-10
1990-06-19
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264 407, 264150, 26417711, 26417712, B28B 2152
Patent
active
049351796
ABSTRACT:
A method of extruding ceramic bodies in a downward direction is disclosed, which includes the steps of supporting an extruded body being downwardly extruded through an extruding die to prevent deformation of the extruded body, and cutting the extruded body in a given length. An apparatus for effecting this extruding method is also disclosed, which includes an extruding unit provided with a die at a bottom thereof, a unit for holding the extruded body being downwardly extruded, and a cutter for cutting the extruded body in the given length.
REFERENCES:
patent: 663141 (1900-12-01), Croft
patent: 1500739 (1924-07-01), Howard et al.
patent: 2301906 (1942-11-01), Miller et al.
patent: 3376181 (1968-04-01), Larson et al.
patent: 3919384 (1975-11-01), Cantaloupe
patent: 4178145 (1979-12-01), Hamamoto et al.
Kato Kiminari
Watanabe Keiichiro
Yokoi Masumi
Derrington James
NGK Insulators Ltd.
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