Title:
SEAT PAD
Document Type and Number:
WIPO Patent Application WO/2017/104605
Kind Code:
A1
Abstract:
The present invention is a seat pad (10) comprising: a main material (1) having a seating surface, and side materials (2) disposed sandwiching the main material on the two sides thereof. The main material has a main first pressure receiving portion (1a) and a main second pressure receiving portion (1b), in which the main first pressure receiving portion has a higher foam density than the side materials disposed on the two sides. The main material and the side materials are flexible polyurethane foams obtained by foam molding a foaming stock solution including a polyol, a polyisocyanate, a blowing agent, and a catalyst. The main first pressure receiving portion includes diphenylmethane diisocyanate (MDI). The side materials include tolylene diisocyanate (TDI).
Inventors:
YOSHITOMI KOSUKE (JP)
Application Number:
PCT/JP2016/086889
Publication Date:
June 22, 2017
Filing Date:
December 12, 2016
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
A47C27/14; A47C7/18; B60N2/90; C08G101/00
Foreign References:
JP2006204887A | 2006-08-10 | |||
JP2013124336A | 2013-06-24 | |||
JP2002300936A | 2002-10-15 | |||
JP2001070083A | 2001-03-21 | |||
JP2008188285A | 2008-08-21 |
Other References:
See also references of EP 3391784A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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