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. 13, 1983
Filed:
Dec. 08, 1981
Applicant:
Inventors:
Edward Buelens, Kontich, BE;
Carolus C Goossens, Berchem, BE;
Assignee:
Agfa-Gevaert N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354275 ; 242 711 ; 242 754 ;
Abstract
A cassette for holding and dispensing a roll of web material that is provided with locking means for preventing rotation of the roll prior to initial withdrawal of material from the roll, the locking means being formed by a generally rigid locking member with one end portion frictionally engaged within the core of the roll, and the other end portion non-rotationally connected with a cassette end wall, and a weakened zone interconnecting those end portions, and adapted to rupture upon rotation of the core incidental to the initial withdrawal of material from the roll.