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:
Jul. 12, 1977
Filed:
Jun. 01, 1976
Richard Hugo Martin, Pisgah Forest, NC (US);
William F Owens, Jr, Pisgah Forest, NC (US);
Olin Corporation, Pisgah Forest, NC (US);
Abstract
Method and apparatus for electrically perforating a moving web such as paper, film and the like in which the web passes between spaced, charged and ground electrodes adapted to move at right angles to one another, including a flat plate for supporting said web as it passes between said spaced electrodes having a narrow slot in which the ground electrode travels parallel to the surface of said plate, said surface recessed along both sides of said slot to provide a collection area for particulate matter produced from perforating said web and means for removing said particulate matter from said collection area.