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. 08, 1977
Filed:
Jul. 29, 1974
Applicant:
Inventor:
John L Patterson, Granville, OH (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 36 ; 242 / ; 242 42 ; 242 45 ;
Abstract
Method of and apparatus for producing roving with a controlled number of strands including means for advancing a linear element along a given path; means for directing light to the element for reflection therefrom; means for sensing changes in the reflected light as an indication of changes in the speed of the elements advancement; means for supplying a signal in response to the changing reflected light; and means for controlling the advancement of the element in response to the signal.