B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 37/04 (2006.01) B21F 99/00 (2009.01) B21B 1/16 (2006.01) B21H 7/18 (2006.01)
Patent
CA 2719695
A plurality of rollers (114,116, 214, 216) for producing longitudinal grooves (120, 122, 220, 222) in an elongated metal substrate (w), the plurality of rollers comprising a first set (114) and a second set (116) of rollers, the plurality of rollers having groove -forming fluted edges thereon. The plurality of rollers are aligned circumferentially around and parallel to a longitudinal axis of the elongated metal substrate, wherein the plurality of rollers are configured to produce an odd number of grooves distributed asymmetrically about a circumference of the elongated metal substrate.
Selon l'invention, une pluralité de rouleaux (114,116, 214, 216) sont destinés à produire des rainures longitudinales (120, 122, 220, 222) dans un substrat métallique allongé, la pluralité de rouleaux comportant un premier ensemble (114) et un deuxième ensemble (116) de rouleaux, la pluralité de rouleaux présentant sur ceux-ci des arêtes cannelées de formation de rainures. La pluralité de rouleaux est alignée de façon circonférentielle autour d'un axe longitudinal du substrat métallique allongé et parallèlement à celui-ci, la pluralité de rouleaux étant configurée pour produire un nombre impair de rainures distribué de façon asymétrique autour de la circonférence du substrat métallique allongé.
Mcdonald Daniel P.
Shepard Richard A.c.
Finlayson & Singlehurst
Illinois Tool Works Inc.
LandOfFree
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