Method and device to control the straightness and torsions...

Details Method and device to control the straightness and torsions... Method and device to control the straightness and torsions...

2007-09-04

2007-09-04

Bella, Matthew C. (Department: 2624)

Image analysis

Applications

Manufacturing or product inspection

C702S035000, C702S040000, C702S084000

Reexamination Certificate

active

10765796

ABSTRACT:
Device and method to control the straightness and torsions of a long product (11), comprising at least two profile-detection devices (12a, 12b, 12c), each presenting a visual field (13) that includes a perimeter segment (18a, 18b, 18c) of the section of the product (11). The detection devices are aligned along the product (11) and are oriented so as to detect homologous perimeter segments (18a, 18b, 18c) located on different planes. The device also comprises a command unit which receives and compares with each other the section images detected at the same instant by the detection devices (12a, 12b, 12c) and determines, according to this comparison, the lack of straightness and/or the presence of torsions in the product (11).

REFERENCES:
patent: 2001/0015104 (2001-08-01), Wooh
patent: 197 21 915 (1998-12-01), None
patent: 197 40 614 (1999-03-01), None
patent: 57061907 (1982-04-01), None

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