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:
Jan. 15, 1980
Filed:
Jun. 27, 1978
Applicant:
Inventor:
Miyuki Gotoh, Tokorozawa, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
D03D / ;
U.S. Cl.
CPC ...
1393701 ; 340677 ;
Abstract
For detecting an improperly inserted pick of weft yarn in a weaving loom, a tension signal representative of a total of tensions detected of a predetermined number of warp yarns forming an end portion of the weaving shed during beating of the weft yarn in each cycle of operation of the loom is compared with a variable reference signal which is representative of, for example, a predetermined fraction of the arithmetic means of the sums of the warp yarn tensions detected during the cycles of operation prior to the cycle in which the tension signal is produced and compared with the reference signal.