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. 02, 2002
Filed:
Oct. 10, 2000
Alexander Hayduk, Gammelsdorf, DE;
Wacker Chemie GmbH, Müchen, DE;
Abstract
A gastight shut-off device ( ) which can be fitted between a supply pipeline ( ) and a discharge pipeline ( ), in the form of a ball valve, includes a housing ( ), a housing flow passage with an inlet section ( ) and an outlet section ( ), a shut-off ball ( ) with a shut-off ball flow passage ( ), the shut-off ball ( ) being mounted in the housing ( ), if appropriate by means of two sealing rings ( ), and an actuating drive ( ) for the shut-off ball ( ); and inlet section ( ) is designed in such a manner that it reaches into the shut-off ball flow passage ( ), which is designed in such a manner that, in the event of the ball valve closing through rotation of the shut-off ball ( ), that part of the inlet section ( ) which reaches into the shut-off ball flow passage ( ) is accommodated in a slot in the shut-off ball.