PRE-CONDITIONED FOAM PAD

Title:

PRE-CONDITIONED FOAM PAD

Document Type and Number:

WIPO Patent Application WO/2010/033895

Kind Code:

A3

Abstract:

Mattresses and methods for processing a flexible foam material for use in a mattress to' provide a mattress foam material that has more consistent firmness over time and area. The methods include pre-conditioning the foam pad (32) or mattress by applying a force across a substantial portion of a major surface of the mattress to compress or stretch the height of the foam, the length of the foam, and/or the width of the foam to break or open closed cells. In certain embodiments, the force is applied by repeatedly pressing a platen (42) against the foam pad (32) or placing the foam pad (32) between one or more rollers (54, 56).

Inventors:

GLADNEY RICHARD F (US)
DEFRANKS MICHAEL S (US)
HERRINGTON RONALD M (US)
YANG HUI (US)

Application Number:

PCT/US2009/057645

Publication Date:

July 15, 2010

Filing Date:

September 21, 2009

Export Citation:

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Assignee:

DREAMWELL LTD (US)
GLADNEY RICHARD F (US)
DEFRANKS MICHAEL S (US)
HERRINGTON RONALD M (US)
YANG HUI (US)

International Classes:

A47C31/12; A47C27/14; B29C44/56; B68G7/00

Foreign References:

DE3402749A1	1984-08-02
GB2339199A	2000-01-19
US20080086984A1	2008-04-17
GB2215658A	1989-09-27
US4344902A	1982-08-17
FR2692834A1	1993-12-31
EP0393255A1	1990-10-24

Other References: