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:
Jun. 14, 2005
Filed:
Aug. 28, 2003
Janos Kertesz, Hofheim, DE;
Janos Kertesz, Hofheim, DE;
Rasmussen GmbH, Maintal, DE;
Abstract
A coupling member for connecting a part, provided for receiving or dispensing fuel and made primarily of HDPE (high-density polyethylene), to a fluid line has first, second, and third components made of meltable material. The third component forms a heat fusion joint with the part for receiving or dispensing fuel and has an undesirably high permeability and swelling capacity relative to fuel. The third component is connected to the first component by material bonding and positive-locking action. The second component has greater fuel blocking capacity and higher strength than the third component. The second component is embedded in the third component. A volume ratio of second and third components is selected such that combined properties of the second and third components concerning permeability, strength, and volume changes by swelling are approximated to these same properties of the second component. The first and third components are heat-fusible to one another.