Production procedure of brake shoes

Details Production procedure of brake shoes Production procedure of brake shoes

B - Operations, Transporting

21

D

26/164

B21D 7/08 (2006.01) B21D 53/34 (2006.01)

Patent

CA 1245837

ABSTRACT OF THE DISCLOSURE Process of manufacturing brake shoes characterized in that a T section profile (1) is passed between a pair of rollers (6) and (7) of which one (6) is plain - and the other (7) of which has an annular groove (8), in which the stem (4) of the T (1) is freely disposed, the rolling of the upper and lower faces of the flange (3) of the T (1) being carried out between rollers (6) and (7). Thus, flange (3) becomes elongated and this elongation goes to the stem (1) of the said T in such a way that after the T emerges from between the rollers it adopts the curvature of the latter, whose external diameter is equal to the diameter (5') of the lower face of the flange (5) of the shoe. In another aspect of the invention, a brake shoe is formed by the method described above.

486720

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