Title:
VEHICLE SEAT PAD AND FOAM FOR LOWER LAYER THEREOF
Document Type and Number:
Japanese Patent JP2023153879
Kind Code:
A
Abstract:
To provide a vehicle seat pad which can effectively inhibit infiltration of a foam raw material into a locking groove due to foam molding of a second foam, and can be fitted when putting a cover by a surface skin, and to provide a manufacturing method of the same.SOLUTION: A vehicle seat pad in which a second foam 3 laminated with a receiving part layer 31 on a side in contact with a seated occupant is foam molded on a first foam 2 having a rear face 2b exposed to be a lower layer is such that: the first foam 2 is foam molded with a small unit weight by making it harder than the second foam 3; in a part where a locking groove 22 for a surface skin disposed along the rear face outer peripheral edge exists, a side wall surface 23d associated with an outer side wall part 23 of the locking groove 22 forms a gentle curve surface inclined outward to a joint end 23e from a top surface 2a side of the first foam 2 to the joint end 23e with the rear face 2b; and a side peripheral layer 32 extending from the outer periphery of the receiving part layer 31 and covering the side wall surface 23d is foam molded in the second foam 3.SELECTED DRAWING: Figure 2
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Inventors:
MATSUMOTO MASATO
Application Number:
JP2023120589A
Publication Date:
October 18, 2023
Filing Date:
July 25, 2023
Export Citation:
Assignee:
INOUE MTP KK
International Classes:
A47C27/15; B29C39/10; B29C39/24; B29C44/00; B29C44/12; B29C44/36; B60N2/90