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. 13, 2018
Filed:
Jul. 10, 2014
Applicant:
Lafarge, Paris, FR;
Inventors:
Laurence Jacques, Courbevoie, FR;
Thibault Lagrange, Paris, FR;
Assignee:
LAFARGE, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 3/00 (2006.01); B28B 3/02 (2006.01); B28B 7/00 (2006.01); B28B 7/06 (2006.01);
U.S. Cl.
CPC ...
B28B 3/003 (2013.01); B28B 3/006 (2013.01); B28B 3/024 (2013.01); B28B 7/0023 (2013.01); B28B 7/06 (2013.01);
Abstract
A production process includes introducing the material to be moulded into a mould, placing the mould in an envelope comprising a vacuum port; creating a low pressure in the envelope by formation of a gas flow through the vacuum port; deforming the mould; stopping the gas flow; and applying pressure on at least a portion of the mould, optionally with interposition of the envelope, at least after the gas flow is stopped.