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:
Oct. 02, 2007
Filed:
Mar. 19, 2002
Applicants:
Alexander Dubson, Hadera, IL;
Eli Bar, Moshav Megadim, IL;
Inventors:
Alexander Dubson, Hadera, IL;
Eli Bar, Moshav Megadim, IL;
Assignee:
Nicast Ltd., Lod, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 22/00 (2006.01); B32B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for forming a tubular structure from a liquefied polymer, the apparatus comprising: (a) a dispenser for dispensing the liquefied polymer; (b) a precipitation electrode being at a first potential relative to the dispenser, the precipitation electrode being designed and constructed for generating a polymeric shell thereupon; and (c) a mechanism for increasing a local density of the polymeric shell in a plurality of predetermined sub-regions of the polymeric shell, thereby to provide a tubular structure having an alternating density in a longitudinal direction.