Prickle chain device and method of production thereof

Details Prickle chain device and method of production thereof Prickle chain device and method of production thereof

1988-09-22

1990-01-16

Jones, David

Chain, staple, and horseshoe making

Chain making

Bending

59 351, 59 23, 72381, B21L 100

Patent

active

048934631

ABSTRACT:
A prickle chain wherein each link has two side portions which are joined at one end by a curved bridge portion, the side portions terminating in respective outwardly projecting ends which cross each other and extend in opposite directions, the projections being the "prickles" of the chain. Each link is formed by engaging opposite ends of a straight rod in respective brackets which are pivoted by hydraulic piston/cylinder assemblies firstly to form the rod to a "U" shape, and then cause the ends to cross each other and project outwardly in opposite directions.

REFERENCES:
patent: 781013 (1905-01-01), Nolle
patent: 835697 (1906-11-01), Appleton
patent: 1034868 (1912-08-01), Breul
patent: 2341428 (1944-02-01), Dorsey
patent: 4163363 (1979-08-01), Widelbandt et al.
patent: 4209978 (1980-07-01), Johansson
patent: 4471819 (1984-09-01), Nihashi
patent: 4597279 (1986-07-01), Lisec
patent: 4680926 (1987-07-01), Lange
patent: 4694644 (1987-09-01), Rudy et al.

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