The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 1998
Filed:
Aug. 09, 1996
Joachim Dammig, Ingolstadt, DE;
Rieter Ingolstadt Spinnereimaschinenbau AG, Ingolstadt, DE;
Abstract
The invention relates to a process to ensure precise autolevelling for the drafting of a fiber structure in a pre-spinning machine, whereby an open control circuit controls the drafting of the fiber sliver through the drafting rollers, whereby the fiber structure is clampingly held between drafting roller pairs and sensing roller pair during stoppage, whereby a pulse generator is able to produce impulses for the rotation of a pair of sensing rollers which are transmitted to an electronic memory during stoppage of the drafting equipment, and whereby the association of data and momentary position of the sliver events is maintained in the electronic memory during stoppage of the drafting equipment. During stoppage each impulse of the pulse generator is detected and evaluated by means of an electronic system (13, 15, 23) on the connection between pulse generator (4, 14, 19, 22) and electronic memory (3, 18, 26).