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:
Apr. 20, 1976
Filed:
Jan. 03, 1973
Applicant:
Inventors:
Birte Christensen, 2690 Karlslunde, DK;
Borge Christensen, 2690 Karlslunde, DK;
Helge Hovad, 2860 Soborg, DK;
Karl Erik Hovad, 2860 Soborg, DK;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65h / ; B65h / ; B65h / ;
U.S. Cl.
CPC ...
242-1 ; 242-3 ; 242 / ; 249 65 ;
Abstract
A mandrel for use in the production of containers wherein a filament or strip shaped material is wound on to the mandrel, the mandrel consisting of a bladder core wholly or partially enclosed within a flexible jacket and having stiffening members inserted between the bladder core and the jacket. Said members are detachably or pivotally connected to a coupling member for mounting the mandrel on a shaft.