Method and apparatus for forming conveyor belt hinge pins

Details Method and apparatus for forming conveyor belt hinge pins Method and apparatus for forming conveyor belt hinge pins

1992-08-10

1993-08-24

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

219 75, 219 68, 225 2, B23K 1301

Patent

active

052381773

ABSTRACT:
Disclosed is a flexible hinge pin, and a method and apparatus for forming the hinge pin, wherein a cable is twisted and heated with sufficient torque and heat to sever the cable into shorter hinge pins. The heating and twisting causes the portions of the cable in proximity with the severed ends to have a tight spiral and to be reduced in diameter, and the strands which comprise the cable to be bonded to one another both internally and at external portions of the cable. The reduced diameters of the formed ends facilitates easier threading of the hinge pins through belt fastener hoops. The bonding of the cable strands in the region of the ends serves to both maintain the tight spiral and the reduced diameter, and to prevent the ends of the hinge pin from separating.

REFERENCES:
patent: 1933444 (1933-10-01), Moreira
patent: 2009206 (1935-07-01), Rosner
patent: 2264817 (1941-12-01), Uhler
patent: 2507817 (1950-05-01), Ropp et al.
patent: 2606266 (1952-08-01), Duch et al.
patent: 4023239 (1977-05-01), Stolz
patent: 4836006 (1989-06-01), Brown

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