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:
Mar. 16, 2021
Filed:
Feb. 09, 2018
Greif International Holding Bv, Amstelveen, NL;
Cornelis Van De Klippe, West Chicago, IL (US);
GREIF INTERNATIONAL HOLDING BV, Amstelveen, NL;
Abstract
A cap for a screw-threaded container closure or closure plug includes a cap top and an attachment ring. The attachment ring is securingly engageable with the container closure or closure plug. The attachment ring comprises a cam surface and an upwardly facing shoulder above the cam surface. The container closure or closure plug comprises a plurality of lugs engageable by a wrench or other drive tool. Each lug includes a radially inwardly facing guide surface comprising a downwardly and radially inwardly sloping portion and a downwardly facing shoulder extending radially outward below the downwardly and radially inwardly sloping portion. A secure and relatively easy engagement between the cap and container closure or closure plug is thereby obtainable.