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:
May. 24, 1977
Filed:
Mar. 11, 1976
Applicant:
Inventors:
Robert E Merritt, Mount Airy, NC (US);
E C Tibbals, Greensboro, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
226-7 ; 226 37 ; 226 97 ; 226113 ; 226195 ; 242185 ;
Abstract
Apparatus and method for supplying continuous material having a constant tension to a takeup device wherein a constant tension is maintained by passing the material through a vacuum column which controls the material supply and maintains a constant tension prior to the material reaching the takeup device.
Merritt, Robert. (1977). Apparatus and method for supplying constant tension material (U.S. Patent No. 4025026). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4025026
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile