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:
Nov. 22, 1994
Filed:
Nov. 17, 1993
Applicant:
Inventors:
Klaus Manzke, Westheim, DE;
Juergen Ahlers, Gross-Rohrheim, DE;
Assignee:
BASF Magnetics GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428174 ; 428900 ; 4286 / ; 428176 ; 428181 ; 428412 ; 206387 ; 206389 ; 360132 ; 360133 ; 360134 ;
Abstract
A compact cassette is provided with substantially rectangular plastic support liner(s) between tape roll(s) and cassette wall(s), having at least one longitudinal bend, and the deflections of the support liners in a defined load range should be not more than a factor of 2 greater in the case of exposure to heat at about 85.degree. C. compared with no exposure. Suitable liner materials are those having glass transition temperatures equal to or greater than 85.degree. C., for example consisting of polysulfones, polyethersulfones, polyarylether ketones, polyetherimides, and/or blends and/or copolymers thereof.