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. 25, 1990
Filed:
May. 17, 1988
Applicant:
Inventors:
Masayuki Kashiwagi, Kyoto, JP;
Takashi Matsumoto, Kyoto, JP;
Assignee:
Nissin High Voltage Co., Ltd., Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2504923 ; 2505031 ; 2505051 ; 2504921 ; 313420 ;
Abstract
A roller-type automatic foil exchanger for supplying a foil beneath a window in a flange of a surface of a vacuum container of an electron beam irradiator includes a foil feed roller having foil wound thereon and a foil take-up reel for winding foil thereon. The foil is supported on a foil holder beneath the window and between the flange and the foil holder. A winding motor rotates the take-up reel to wind foil thereon and to unwind foil from the foil feed roller. A plurality of clamper members are provided to clamp the foil holder to the flange with the foil therebetween.