B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
267/106, 74/296
B21D 28/04 (2006.01)
Patent
CA 1275586
ABSTRACT OF THE DISCLOSURE A bowed external spring retaining ring of the E-shaped type includes flats at the leading and trailing ends of the ring. The flats form leading and trailing edges of the ring which are rounded on a concave side of the ring. The ring is formed by a punch which has an end face comprised of a concave portion and straight portions, the latter forming the flats on the ring.
608676
Berliner Wallace H.
Killian Edmund F.
Berliner Wallace H.
Borden Ladner Gervais Llp
Killian Edmund F.
Waldes Truarc Inc.
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