Method of faceting a hollow rope chain

Details Method of faceting a hollow rope chain Method of faceting a hollow rope chain

1994-10-11

1996-07-16

Jones, David

Chain, staple, and horseshoe making

Chain making

Blanks and processes

59 80, B21L 1500

Patent

active

055355838

ABSTRACT:
A rope chain is fabricated of hollow links that have been intertwined to form a rope chain of the double helix type. The hollow rope chain is moved continuously, in a continuous length, over pulley guides whereon the exposed surface of the rope chain is deformed without material removal. Rotating tools, having sloped surfaces, wedge against the outer surface of the rope chain links and flatten them as the tool and chain move in opposite directions relative to each other. The tools have no cutting edges, but deform the rope chain entirely by wedging action of the tool surfaces that interfere with the outer circumference of the rope chain and move the link wall both inwardly and longitudinally. Conventional diamond cutting facet machines, which are used to shear facets, are adapted for use in accordance with the invention by removing the shearing tools and installing wedging tools.

REFERENCES:
patent: D321148 (1991-10-01), Chiaramonti et al.
patent: D326065 (1992-05-01), Borgogni
patent: D340422 (1993-10-01), Grando
patent: D343136 (1994-01-01), Grando
patent: 4651517 (1987-03-01), Benhamou et al.
patent: 5125225 (1992-06-01), Strobel
patent: 5129220 (1992-07-01), Strobel
patent: 5285625 (1994-02-01), Ofrat et al.
patent: 5408820 (1995-04-01), Strobel et al.
patent: 5471830 (1995-12-01), Gonzales

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