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DEVICE FOR FORMING GROOVES IN PIPE ELEMENTS | VORRICHTUNG ZUM RILLEN VON ROHRELEMENTEN | DISPOSITIF DE FORMATION DE RAINURES DANS DES ÉLÉMENTS DE CONDUITE

Patentnummer:EP3537097B1
IPC Hauptklasse:G01B000508
Anmelder:
Erfinder:
Anmeldung:18.07.14
Offenlegung:12.08.13
Patenterteilung:24.06.20

Abstract / Hauptanspruch
The invention encompasses a device for forming a circumferential groove in a pipe element having a longitudinal axis. In an example embodiment, the device comprises a drive roller rotatable about a drive roller axis. The drive roller is engageable with an inner surface of the pipe element when the drive roller axis is oriented substantially parallel to the longitudinal axis of the pipe element. A grooving roller is rotatable about a grooving roller axis oriented substantially parallel to the drive roller axis. The grooving roller is movable toward and away from the drive roller so as to forcibly engage an outer surface of the pipe element so as to displace material of the pipe element and form the groove therein upon rotation of the pipe element. An idler roller is rotatable about an idler roller axis oriented substantially parallel to the drive roller axis. The idler roller has a known diameter. The idler roller is movable toward and away from the drive roller so as to engage an outer surface of the pipe element so as to rotate upon rotation of the pipe element. A first sensor determines a degree of rotation of the idler roller and generates a first signal indicative thereof. A second sensor determines a degree of rotation of the pipe element and generates a second signal indicative thereof. A control system is adapted to receive the first and second signals and use the first and second signals to determine a diameter of the groove, and control motion of the grooving roller toward and away from the drive roller in response to the diameter of the groove.

EP3537097B1


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