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:
Mar. 21, 1989
Filed:
Feb. 20, 1987
Applicant:
Inventors:
Philippe Van Bogaert, Schaerbeek, BE;
Jean-Marie Bamelis, Ieper, BE;
Assignee:
Picanol N.V., Belgium, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D03D / ;
U.S. Cl.
CPC ...
139435 ; 226 97 ;
Abstract
A device for the insertion of weft thread into a shed of air insertion looms primarily consists of the combination of a main nozzle, and of at least one auxiliary nozzle fixedly mounted before the main nozzle, the latter having an adjustable flow-through aperture for regulating the jet insertion medium. Associated with each auxiliary nozzle, a control means is utilized for the adjustment of the flow-through aperture. Various embodiments of aperture control are described.