Patent · US Active

Carder, web guiding element, spinning mill preparation installation and method for identifying undesired particles

US12104289B2 · kind B2 · utility

0Cited by

9References

11Claims

0Family size

Assignee

TRÜTZSCHLER GROUP SE · DE

Inventors

Guido Engels · Rommerskirchen, DE
Jurgen Marz · Düsseldorf, DE

Key dates

Filing date	May 5, 2020
Grant date	Oct 1, 2024
Priority date	—
Expiry date	Nov 15, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/8848
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention relates to a card with a device for recognizing interfering particles, in particular trash parts, neps, shell neps, thick spots and/or foreign parts in a carded fibre web. The device comprises at least one sensor stationarily disposed in a web guiding element, which is disposed at the transition from a doffer to a stripper roll. The at least one sensor detects the fibre web on the doffer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.