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:
Sep. 30, 2014
Filed:
Jul. 16, 2007
Applicant:
Johan Willem Roeterdink, Epse, NL;
Inventor:
Johan Willem Roeterdink, Epse, NL;
Assignee:
Impress Group B.V., Deventer, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 11/00 (2006.01); B21D 51/28 (2006.01); B21D 51/26 (2006.01); B65D 83/38 (2006.01); B21D 51/24 (2006.01); B21D 22/21 (2006.01);
U.S. Cl.
CPC ...
B21D 51/2615 (2013.01); B65D 83/38 (2013.01); B21D 51/24 (2013.01); B21D 22/21 (2013.01);
Abstract
The invention relates to a method for forming a steel container having a curled open end, comprising the steps of i) providing a steel cup; ii) deep drawing the steel cup into a drawn container preform; iii) thin drawing the body of the drawn container preform; and iv) curling an open end of the drawn container preform by forming a precurl and by curling the precurl into an elongated curl, to an apparatus for forming a steel container, and to such steel container and its preform.