G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/20 (2006.01) B07C 5/34 (2006.01) B65B 57/00 (2006.01)
Patent
CA 2330651
A method and apparatus is provided for detecting defective seams in cans having metal lids. The apparatus is mounted in cooperation with a conveyor to evaluate the cans being conveyed in a continuous operation. The apparatus includes a detecting device which has a pair of electrical contacts positioned to cooperate with a seam on the can. The electrical contacts are spaced apart a distance to contact a bulge in the seam which completes an electrical circuit between the contacts. A signal is then produced indicating a defective can, and the defective can is removed from the conveyor.
La présente invention concerne une méthode et un appareil permettant de détecter des joints défectueux sur des récipients à couvercle métallique. L'appareil, qui fonctionne conjointement avec une bande transporteuse, apprécie l'état de récipients transportés en continu. Il comprend un dispositif de détection muni d'une paire de contacts qui viennent se positionner par rapport à un joint du récipient. Les contacts électriques se trouvent normalement à l'écart du joint, mais ferment le circuit lorsqu'ils rencontrent une partie saillante. Le signal déclenché à ce moment là indique un récipient défectueux qui est alors retiré de la bande transporteuse.
Mcintyre Norman J.
Vanderweyst Francis A.
Vandewiel Joseph G.
Labatt Brewing Company Limited
Stikeman Elliott S.e.n.c.r.l.,srl/llp
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