Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1986-04-30
1988-02-16
Spruill, Robert L.
Chain, staple, and horseshoe making
Chain making
Sprocket chain
59 8, 59901, 59 4, 59 84, 156173, 29419R, B21L 902
Patent
active
047246693
ABSTRACT:
A conveyor or chain having a tubular filament-wound cylindrical element used as the pins interconnecting the link plates and/or as rollers or bushings in the chain assembly. The element is formed from a length of tubular material which is wound on a mandrel having an outside diameter equal to the inside diameter of the tubular element. The filament of the winding is a long aramid fiber which is integrated in the tubular material by an adhesive agent.
REFERENCES:
patent: 2699415 (1955-01-01), Nachtman
patent: 2816453 (1957-12-01), Frank et al.
patent: 3338271 (1967-08-01), Plummer et al.
patent: 3386872 (1968-06-01), Medney
patent: 3733811 (1973-05-01), Florjancic
patent: 3974009 (1976-08-01), Butzow et al.
patent: 4367189 (1983-01-01), Davies
Kanehira Makoto
Koizumi Takashi
Matsuno Kazumasa
Nakagawa Takerou
Ochiai Fumio
Jones David B.
Spruill Robert L.
Tsubakimoto Chain Co.
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