Title:
IMPROVED FOAM SPRING FOR PILLOWS, CUSHIONS, MATTRESSES OR THE LIKE AND A METHOD FOR MANUFACTURING SUCH A FOAM SPRING
Document Type and Number:
WIPO Patent Application WO/2010/121333
Kind Code:
A8
Abstract:
A foam spring for use in pillows, cushions, mattresses or the like, the foam spring having a tubular resilient body (2) made of foam and forming an outer wall, with holes (3) extending inwardly from an outside surface (4) to an inside surface (5), those holes (3) being arranged in a staggered symmetry and mainly being diamond shaped, characterised in that the tubular body (2) displays said holes (3) only over a limited part (16) of its surface (4), and that this limited part (16) is regularly alternating with a limited part (18) of the surface (4) that is not provided with said holes (3) and which forms longitudinal reinforcement ribs (7) in the wall of the tubular body (2) of the spring (1).
Inventors:
POPPE WILLY (BE)
Application Number:
PCT/BE2009/000050
Publication Date:
November 03, 2011
Filing Date:
September 15, 2009
Export Citation:
Assignee:
IMHOLD NV
POPPE WILLY (BE)
POPPE WILLY (BE)
International Classes:
A47C27/14
Attorney, Agent or Firm:
E.Donné - P. Van Varenberg (Arenbergstraat 13, Antwerpen, BE)
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