Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1998-09-25
2000-08-29
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
26432817, 26433115, 26433119, 26433121, B29C 4573
Patent
active
061104086
ABSTRACT:
A material assembly of a wear proof element used in a rotary axis structure and the method thereof, wherein the wear proof element used in a rotary axis structure comprises Nylon, glass fiber and Teflon of a predetermined ratio. After heating, drying, and injection to these material, a wear proof element used in a rotary axis structure. Thereby, a wear proof element with an adjustable twisting force, wear proof ability, and without adding lubricate oil is obtained. Also, the cost is reduced and lifetime thereof is prolonged.
REFERENCES:
patent: 4042747 (1977-08-01), Breton et al.
patent: 4084929 (1978-04-01), McGarry, Sr. et al.
patent: 4085184 (1978-04-01), Jules et al.
patent: 4134842 (1979-01-01), Orkin et al.
Heitbrink Jill L.
Jones Kenneth M.
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