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. 01, 1999
Filed:
Feb. 17, 1998
Applicant:
Inventor:
Udo Schutz, Selters/Westwerwald, DE;
Assignee:
Protechna S.A., Fribourg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
22020311 ; 220303 ; 220374 ; 220370 ; 22020328 ;
Abstract
A plastic vent valve (1) for containers for transporting and storing liquids has a cylindrical valve housing(2) which is made as a threaded plug (3) and is screwed onto a screw cover (8) for closing an opening of a plastic inner container of a palletized container. The valve has a valve membrane (4), a surge disk (5), a surge cover (6), and a sealing cap (7).