seat pad

The seat pad's recessed design addresses void formation during foam molding by trapping excess gas, enhancing strength and comfort by minimizing voids and cover wrapping difficulties.

JP7884392B2Active Publication Date: 2026-07-03INOAC CORP
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Patent Information

Application Number
JP2022123633
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-08-02
Publication Date
2026-07-03
Estimated Expiration
2042-08-02

AI Technical Summary

Technical Problem

Conventional seat pads face issues with void formation during foam molding, leading to reduced strength and cushioning properties, which can cause discomfort and difficulty in covering the pad with a cover.

Method used

A seat pad design featuring a base portion with a protruding portion and a recess on its upper surface, where the recess traps excess gas during foam molding, preventing void formation and maintaining strength and comfort.

Benefits of technology

The recessed design effectively contains trapped gas, minimizing voids and ensuring the seat pad maintains its structural integrity and comfort, reducing the likelihood of defects and cover wrapping issues.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

To suppress a problem caused by a void that may be generated at the time of foam molding of a pad part with respect to an existing seat pad.SOLUTION: In a seat pad, a top face of a base part including a bead foam molding is covered by a pad part including resin foam. The seat pad includes: a projection part projecting from a side face of the base part and covered by the pad part from an upper side; and a recess part formed at a top face of the projection part.SELECTED DRAWING: Figure 1
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Citation Information

Patent Citations

  • Method and foam die for manufacturing seat cushion material

    CN108724580A

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    JP1996187737A

  • Vehicle seat pad and manufacturing method thereof

    JP2017206077A

  • Method of manufacturing vehicle seat pad

    JP2020175253A

  • Vehicle seat pad and manufacturing method for the same

    JP2021045261A