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:
Aug. 07, 1984
Filed:
Aug. 05, 1982
Applicant:
Inventors:
Hartmut Halter, Ruppichteroth, DE;
Willi Schnell, Cologne, DE;
Assignee:
Reifenhauser GmbH & Co. Maschinenfabrik, Troisdorf, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 401 ; 156229 ; 15624414 ; 264 407 ; 264564 ; 2642092 ; 425140 ; 425150 ; 4253261 ;
Abstract
A method of and apparatus for the formation of synthetic resin foil coils. The angular velocity of the flaw propagating member is reduced as the coil increases for at least a multiplicity of turns to impart to the coil the configuration of a right circular cylinder with a high degree of precision.