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Title:
SEAT CORE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/151208
Kind Code:
A1
Abstract:
Provided is a seat core material that is a vehicle seat core material configured from a thermoplastic resin foamed particle molded article and a frame member embedded in a circumferential part thereof. This seat core material is characterized in that: the frame member is configured from a front frame part, a rear frame part, and two side frame parts connecting the front frame part and the rear frame part; the foamed particle molded article has a slit extending across the two side frame parts and formed in the longitudinal direction, leaving continuous parts at both ends of the foamed particle molded article on the outer sides of the side frame parts; the slit extends through or does not extend through the foamed particle molded article in the thickness direction; and the connection parts are formed in a curved shape or a bent shape. Accordingly, although the frame member is embedded in and integrated with the foamed particle molded article, the foamed particle molded article is less likely to deform and has remarkably high dimensional accuracy, the integrity of the frame member and the foamed particle molded article is excellent, and the foamed particle molded article has excellent strength.

Inventors:
TAKAYAMA ATSUO (JP)
HASHIMOTO KEIICHI (JP)
HISAMATSU KATSUNORI (JP)
Application Number:
PCT/JP2018/005240
Publication Date:
August 23, 2018
Filing Date:
February 15, 2018
Export Citation:
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Assignee:
JSP CORP (JP)
International Classes:
A47C27/14; A47C7/20; B60N2/68; B60N2/90
Domestic Patent References:
WO2016152530A12016-09-29
WO2016152530A12016-09-29
Foreign References:
JP2011045629A2011-03-10
JP2015174340A2015-10-05
JPH0484040U1992-07-22
Other References:
See also references of EP 3583869A4
Attorney, Agent or Firm:
NISHIZAWA Toshio et al. (JP)
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