Title:
METHOD FOR MANUFACTURING A FOAM CORE HAVING CHANNEL CUTS
Document Type and Number:
WIPO Patent Application WO2005037515
Kind Code:
A3
Abstract:
A method of manufacturing a mattress including providing a foam block (24), convoluting the foam block (24) to form a tongue (34) extending longitudinally along the foam block (24), and removing at least a portion of the tongue (34), to thereby form a channel (12) within the foam block (24).
Inventors:
DEFRANKS MICHAEL S (US)
GLADNEY RICHARD F (US)
VAN PATTEN NEAL CHARLES (US)
GLADNEY RICHARD F (US)
VAN PATTEN NEAL CHARLES (US)
Application Number:
PCT/US2004/033660
Publication Date:
May 26, 2006
Filing Date:
October 13, 2004
Export Citation:
Assignee:
DREAMWELL LTD (US)
DEFRANKS MICHAEL S (US)
GLADNEY RICHARD F (US)
VAN PATTEN NEAL CHARLES (US)
DEFRANKS MICHAEL S (US)
GLADNEY RICHARD F (US)
VAN PATTEN NEAL CHARLES (US)
International Classes:
B68G7/00; A47C27/14; B26D3/28; B29C37/02; B29C44/56; B29D99/00; B29C
Foreign References:
| US6513414B1 | 2003-02-04 | |||
| US6142053A | 2000-11-07 | |||
| US6546836B1 | 2003-04-15 | |||
| US6668698B1 | 2003-12-30 | |||
| US6675691B1 | 2004-01-13 | |||
| US4700447A | 1987-10-20 | |||
| US5477573A | 1995-12-26 |
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