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:
Sep. 27, 1977
Filed:
Oct. 08, 1975
Applicant:
Inventors:
Takuma Katsumata, Inazawa, JA;
Koji Kato, Aichi, JA;
Hisao Kishigami, Toki, JA;
Noriyasu Kuroda, Nagoya, JA;
Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ;
U.S. Cl.
CPC ...
242 55 ; 242 753 ; 242182 ; 226 95 ; 271 98 ;
Abstract
A method and apparatus for winding or rewinding a film wherein a pressurized jet of air is directed onto a surface of an unsupported portion of the film being wound or rewound. The air jet is elongated transversely of the length of said film. Simultaneously with the application of the air jet to the film the air impinging on the surface of the film is collected by suction.