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:
Jul. 09, 2002
Filed:
Jul. 21, 2000
Paul Kremer, Walferdange, LU;
Ueodeux-Ultra Pure Equipment Technology, Lintgen, LU;
Abstract
The invention relates to a connecting branch ( ) comprising a replaceable insert part ( ) which is placed in a chamber ( ) in a sealed manner. Said chamber is open in the front and is located inside the connecting branch ( ). A ring-shaped sealing surface having a rotating sealing bead ( ) is arranged on the insert part ( ). The bead can be pressed into a front surface of an axial sealing ring ( ) made of a soft metal, said surface being situated opposite the connecting branch, when coupling a connecting nipple ( ) to the connecting branch ( ). The insert part ( ) is advantageously sealed in the chamber ( ) by a second axial sealing ring ( ) whose sealing surfaces also having sealing beads ( ). The insert part ( ) can be merely replaced when the sealing bead ( ) is corroded or damaged. As a result, a difficult subsequent fashioning of the standard seal bead ( ) on the connecting branch ( ) is unnecessary. Such a connecting branch ( ) is advantageously used for high-purity gases in the semiconductor industry.