Boliven Patents - US20090309272: MOULDING DEVICE AND PRODUCTION PROCESS

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US20090309272: MOULDING DEVICE AND PRODUCTION PROCESS

Filing Information

Inventor(s)	Mouloud Behloul · Sylvain Quidant ·
Assignee(s)	LAFARGE · View assignee updates
Correspondent	PILLSBURY WINTHROP SHAW PITTMAN, LLP ·
Application Number	US12513900
Filing date	10/30/2007
PCT 371 date	05/07/2009
Publication date	12/17/2009
Predicted expiration date	10/30/2027
U.S. Classifications	264/571 · 425/405.1 ·
International Classifications	B28B110 · B29C4310 ·
Kind Code	A1
PCT Application Number	WO20PCTFR0701794 - 10/30/2007
Foreign Priority	FR0609747 - 11/08/2006 ·

Abstract

A production process includes providing an envelope and a mould, introducing the material to be moulded in the mould, placing the mould in the envelope, creating a low pressure in the envelope, and deforming the mould.

Independent Claims | See all claims (17)

1. A moulding device comprising: an envelope; a mould, the mould being in the envelope; a vacuum port to create a low pressure in the envelope; and a deforming member for the mould.
11. A production process comprising: providing an envelope and a mould; introducing a material to be moulded in the mould; disposing the mould in the envelope; creating a low pressure in the envelope; and deforming the mould.