Apparatus for measuring the tension of silver running in a draw frame
US6453515B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Nov 19, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H5/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A draw frame includes a transport roll pair for simultaneously guiding a plurality of slivers running in an advancing direction; and a series of drafting roll pairs spaced from one another in the advancing direction. One of the drafting roll pairs is a first drafting roll pair as viewed in the advancing direction. The first drafting roll pair is positioned downstream of the transport roll pair. A measuring device is contacted by the running slivers and includes a pressure-sensitive member exposed to a force derived from the running slivers for emitting a signal representing the force; and a deflecting arrangement for deflecting the running slivers for causing them to be partially trained about the deflecting arrangement to exert on the pressure-sensitive member a pressing force proportional to a tension of the slivers prevailing upstream and downstream of the pressure-sensitive member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.