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. 05, 2002
Filed:
Oct. 06, 2000
Charles Shanks, Schaumburg, IL (US);
Kevin Helle, Bartlett, IL (US);
John Krewer, Palatine, IL (US);
Robert Hallgren, Lakemoor, IL (US);
Nycomed Imaging AS, Oslo, NO;
Abstract
In a method for welding closed one end of each of a multiplicity of open-ended tubes suitable for use as brachytherapy capsules ( ), each tube is loaded into a holder ( ), brought to a welding station ( ), has one end welded closed and is then released from the holder ( ). A number of holders can 2 be arranged on the periphery of a rotatable member ( ), each holder being loaded with a tube at a first station, and then carrying the tube to a welding station ( ) and an ejection station ( ). The tubes can be loaded into the holders individually by means of an escapement mechanism ( ). The invention also extends to apparatus for carrying out the method.