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, 2010
Filed:
Apr. 13, 2005
Guy Druesne, La Fleche, FR;
Cornelis Verboom, HP Leeuwarden, NL;
Guy Druesne, La Fleche, FR;
Cornelis Verboom, HP Leeuwarden, NL;
Impress Group B.V., Deventer, NL;
Abstract
Method wherein a) a container () is placed in a two halves mould () having an internal shaped wall (), b) an internal pressure P of a fluid is build up so as to shape the skirt (), is characterized in that an external pressure P'of a fluid is applied in an upper space () contiguous to an external or upper surface () of the open top end () and/or in a lower space () contiguous to an external or lower surface () of the shaped bottom end (), so as to have, during the span of time Δt, a pressure difference ΔP|P−P′1 low enough to prevent any distortion of the shaped open top end () and/or the shaped bottom end (), so as to form a shaped metallic container (). An apparatus for carring out the method is also disclosed.