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:
Jan. 15, 1991
Filed:
Dec. 13, 1985
Applicant:
Inventors:
Assignee:
Agfa-Gevaert Aktiengessellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; B65H / ;
U.S. Cl.
CPC ...
242 74 ;
Abstract
A spool for strip-form recording substrates, in particular for photographic films, with a slit arranged in the spool core and means arranged therein for fixing the strip end inserted into the slit, and with transitional surfaces which are rounded in the approximate shape of a cylinder surface on the inlet side between the axially running upper and lower slit surfaces and the external surfaces of the spool core, which are arranged in kink-free manner between the adjacent surfaces of the spool core and each form an arc portion of more than 90.degree. in cross section, the radius thereof being at least one third of the radius of the spool core.