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:
Dec. 13, 1994
Filed:
Dec. 08, 1992
Elmar Mock, Biel/Bienne, CH;
Tetra Alfa Holdings S.A., Pully, CH;
Abstract
A closure unit consists substantially of a closure part (2) and a pouring part (3). It has at least two areas of which each one consists of a thermoplastic material, wherein the material of one area differs from the material of a neighboring other area. The closure part (2) has an indicator (8) forming part of the area of one material and extending over the outer surface of the pouring part which in the vicinity of the indicator provides part of an area of a different material. The indicator has a predetermined breaking location (85) or a connection with the pouring part which cannot be reconnected and, on first opening the closure unit it irreversibly brought from a first attitude or position into a second attitude or position.