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:
Aug. 24, 2021
Filed:
Sep. 03, 2015
Applicant:
Obrist Closures Switzerland Gmbh, Reinach, CH;
Inventors:
Claude Benoit-Gonin, Odenas, FR;
Philippe Bardet, Gleize, FR;
Assignee:
Obrist Closures Switzerland GmbH, Reinach, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/16 (2006.01); B65D 41/34 (2006.01); B29C 33/00 (2006.01); B65D 41/04 (2006.01); B29C 45/00 (2006.01); B29L 31/56 (2006.01); B29K 21/00 (2006.01);
U.S. Cl.
CPC ...
B29C 45/1675 (2013.01); B29C 33/0038 (2013.01); B29C 45/0001 (2013.01); B29C 45/1676 (2013.01); B65D 41/0421 (2013.01); B65D 41/3428 (2013.01); B29C 2045/1623 (2013.01); B29C 2045/1687 (2013.01); B29K 2021/003 (2013.01); B29K 2023/06 (2013.01); B29L 2031/56 (2013.01); B29L 2031/565 (2013.01);
Abstract
A method of forming a bi-injected closure, comprising the steps of: forming a cap with a top plate and a depending sidewall, in a first injection moulding phase using a first mould part, the cap formed so as to include one or more external sealing areas; changing the first mould part for a second mould part, the second mould part sealing against the or each sealing area on the cap; and forming an outer ring around the cap sidewall whilst the second mould part is sealed against the sealing area/s in a second moulding phase.